From stylesen at gmail.com  Tue Apr  1 14:16:53 2008
From: stylesen at gmail.com (Senthil Kumaran S)
Date: Tue, 1 Apr 2008 17:46:53 +0530
Subject: [BangPypers] RSS feeds via python CGI
Message-ID: <5ef2113c0804010516w32fd69aau330033315ea6a223@mail.gmail.com>

Hi,

I would like to serve RSS feeds from a python CGI script. Basically I
managed to generate the feeds file using PyRSS2Gen
(http://www.dalkescientific.com/Python/PyRSS2Gen.html). I construct
the whole rss feed as a string with the proper application header set
as ""application/rss+xml" and write the string as follows in my CGI
script:

<snip>

  rss.write_xml(sys.stdout)

</snip>

When I try to aggregate this feed I get the error "Invalid rss url" in
thunderbird. Should the feed be written to a file with extension
'.rss' and then the URL be given to a feed reader?

-- 
Senthil Kumaran S
http://www.stylesen.org/

From heshan.suri at gmail.com  Wed Apr  2 11:34:14 2008
From: heshan.suri at gmail.com (Heshan Suriyaarachchi)
Date: Wed, 2 Apr 2008 15:04:14 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods, variables,
	parameters in python
Message-ID: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>

Hi
   Is there a mechanism to express meta-data about classes, methods,
variables and parameters in python ( like annotations in java)? I will be
thankful if anyone can point me to a sample code or a web reference.

Thanx
Heshan Suriyaarachchi
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From supreet.sethi at gmail.com  Thu Apr  3 05:46:29 2008
From: supreet.sethi at gmail.com (s|s)
Date: Thu, 3 Apr 2008 09:16:29 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
Message-ID: <b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>

On Wed, Apr 2, 2008 at 3:04 PM, Heshan Suriyaarachchi
<heshan.suri at gmail.com> wrote:
> Hi
>    Is there a mechanism to express meta-data about classes, methods,
> variables and parameters in python ( like annotations in java)? I will be
> thankful if anyone can point me to a sample code or a web reference.
>

There is no direct equivalent of annotations (like Java)  in python.
But decorators and __doc__ can provide similar features. Also
considering python is a dynamic language with reflection being
integral part of the language, many of the features are easy to
implement.


>  Thanx
> Heshan Suriyaarachchi
>
>
>
> _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>
>



-- 
Supreet Sethi
http://findmeajob.wordpress.com

From heshan.suri at gmail.com  Thu Apr  3 10:33:24 2008
From: heshan.suri at gmail.com (Heshan Suriyaarachchi)
Date: Thu, 3 Apr 2008 14:03:24 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
Message-ID: <12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>

Hi
What I meant was a situation like this.

In javascript I'm used to associating metadata with a function as
follows.

foo.bar = "foobar";
function foo(){
}

What is the normal python practice to do this kind of a thing.

Your help is very much appreciated.

Thanks,
Heshan Suriyaarachchi
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From sidharth.kuruvila at gmail.com  Thu Apr  3 10:56:28 2008
From: sidharth.kuruvila at gmail.com (Sidharth Kuruvila)
Date: Thu, 3 Apr 2008 14:26:28 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
	<12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
Message-ID: <4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>

H Heshan,

  Can you explain why you'd want to do this?

You can write

def f():
     print f.a

f.a = 4

f()

But I can't see you would want to do something like that. Maybe if you  
give a use case. Someone can come up with a solution.

Regards,
Sidharth

On Apr 3, 2008, at 2:03 PM, Heshan Suriyaarachchi wrote:

> Hi
> What I meant was a situation like this.
>
> In javascript I'm used to associating metadata with a function as
> follows.
>
> foo.bar = "foobar";
> function foo(){
> }
>
> What is the normal python practice to do this kind of a thing.
>
> Your help is very much appreciated.
>
> Thanks,
> Heshan Suriyaarachchi
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers


From abpillai at gmail.com  Thu Apr  3 12:45:16 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Thu, 3 Apr 2008 16:15:16 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
	<12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
	<4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>
Message-ID: <8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>

Functions in Python are first-class objects, so you can add
arbitrary attributes to them like any other object.

Like Siddharth said, you can do,

def f(x, y): return x + y

f.x = 100
>>>f(20, 30)
50

However as of 2.x Python does not provide any syntax for formal function
annotations like Java. There have been proposals for this, and you
can find the most relevant one in the following PEP.

http://www.python.org/dev/peps/pep-3107/

This has been partly implemented and in py3k, functions have a new
attribute named "__annotations__" which is a dictionary which
can provide something more than a docstring, but an actual annotation
on the params, return values.

For example, this is how to annotate a function in Python 3.0.

>>> def f(x : "an integer", y: "another integer") -> "Sum of x and y":
...     return x + y
>>> f.__annotations__
{'y': 'another integer', 'x': 'an integer', 'return': 'Sum of x and y'}

The help() function returns the annotation plus the docstring now.
>>> f.__doc__ = "A sum function"
>>> help(f)
Help on function f in module __main__:

f(x: 'an integer', y: 'another integer') -> 'Sum of x and y'
    A sum function

All this is available in py3k, so check out the py3k trunk, build it and
play around with it.

Hope this helps.

--Anand


On Thu, Apr 3, 2008 at 2:26 PM, Sidharth Kuruvila
<sidharth.kuruvila at gmail.com> wrote:
> H Heshan,
>
>   Can you explain why you'd want to do this?
>
>  You can write
>
>  def f():
>      print f.a
>
>  f.a = 4
>
>  f()
>
>  But I can't see you would want to do something like that. Maybe if you
>  give a use case. Someone can come up with a solution.
>
>  Regards,
>  Sidharth
>
>
>
>  On Apr 3, 2008, at 2:03 PM, Heshan Suriyaarachchi wrote:
>
>  > Hi
>  > What I meant was a situation like this.
>  >
>  > In javascript I'm used to associating metadata with a function as
>  > follows.
>  >
>  > foo.bar = "foobar";
>  > function foo(){
>  > }
>  >
>  > What is the normal python practice to do this kind of a thing.
>  >
>  > Your help is very much appreciated.
>  >
>  > Thanks,
>  > Heshan Suriyaarachchi
>
>
> > _______________________________________________
>  > BangPypers mailing list
>  > BangPypers at python.org
>  > http://mail.python.org/mailman/listinfo/bangpypers
>
>  _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>



-- 
-Anand

From abpillai at gmail.com  Thu Apr  3 12:52:28 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Thu, 3 Apr 2008 16:22:28 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
	<12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
	<4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>
	<8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>
Message-ID: <8548c5f30804030352h5d2a6e7dgc9e4965fc9d4e08@mail.gmail.com>

I had started a couple of blog posts aiming at discussing the new
features, changes and gotchas in Python 3.0. I had made the first
couple of posts 2 weeks back. The plan is to try and post as much
as possible before Py3k releases in Aug this year.

This question has reminded me to restart the posts. If someone
is interested checkout http://randombytes.blogspot.com .

Regards

--Anand

On Thu, Apr 3, 2008 at 4:15 PM, Anand Balachandran Pillai
<abpillai at gmail.com> wrote:
> Functions in Python are first-class objects, so you can add
>  arbitrary attributes to them like any other object.
>
>  Like Siddharth said, you can do,
>
>  def f(x, y): return x + y
>
>  f.x = 100
>  >>>f(20, 30)
>  50
>
>  However as of 2.x Python does not provide any syntax for formal function
>  annotations like Java. There have been proposals for this, and you
>  can find the most relevant one in the following PEP.
>
>  http://www.python.org/dev/peps/pep-3107/
>
>  This has been partly implemented and in py3k, functions have a new
>  attribute named "__annotations__" which is a dictionary which
>  can provide something more than a docstring, but an actual annotation
>  on the params, return values.
>
>  For example, this is how to annotate a function in Python 3.0.
>
>  >>> def f(x : "an integer", y: "another integer") -> "Sum of x and y":
>  ...     return x + y
>  >>> f.__annotations__
>  {'y': 'another integer', 'x': 'an integer', 'return': 'Sum of x and y'}
>
>  The help() function returns the annotation plus the docstring now.
>  >>> f.__doc__ = "A sum function"
>  >>> help(f)
>  Help on function f in module __main__:
>
>  f(x: 'an integer', y: 'another integer') -> 'Sum of x and y'
>     A sum function
>
>  All this is available in py3k, so check out the py3k trunk, build it and
>  play around with it.
>
>  Hope this helps.
>
>  --Anand
>
>
>
>
>  On Thu, Apr 3, 2008 at 2:26 PM, Sidharth Kuruvila
>  <sidharth.kuruvila at gmail.com> wrote:
>  > H Heshan,
>  >
>  >   Can you explain why you'd want to do this?
>  >
>  >  You can write
>  >
>  >  def f():
>  >      print f.a
>  >
>  >  f.a = 4
>  >
>  >  f()
>  >
>  >  But I can't see you would want to do something like that. Maybe if you
>  >  give a use case. Someone can come up with a solution.
>  >
>  >  Regards,
>  >  Sidharth
>  >
>  >
>  >
>  >  On Apr 3, 2008, at 2:03 PM, Heshan Suriyaarachchi wrote:
>  >
>  >  > Hi
>  >  > What I meant was a situation like this.
>  >  >
>  >  > In javascript I'm used to associating metadata with a function as
>  >  > follows.
>  >  >
>  >  > foo.bar = "foobar";
>  >  > function foo(){
>  >  > }
>  >  >
>  >  > What is the normal python practice to do this kind of a thing.
>  >  >
>  >  > Your help is very much appreciated.
>  >  >
>  >  > Thanks,
>  >  > Heshan Suriyaarachchi
>  >
>  >
>  > > _______________________________________________
>  >  > BangPypers mailing list
>  >  > BangPypers at python.org
>  >  > http://mail.python.org/mailman/listinfo/bangpypers
>  >
>  >  _______________________________________________
>  >  BangPypers mailing list
>  >  BangPypers at python.org
>  >  http://mail.python.org/mailman/listinfo/bangpypers
>  >
>
>
>
>  --
>  -Anand
>



-- 
-Anand

From heshan.suri at gmail.com  Thu Apr  3 13:04:31 2008
From: heshan.suri at gmail.com (Heshan Suriyaarachchi)
Date: Thu, 3 Apr 2008 16:34:31 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
	<12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
	<4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>
	<8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>
Message-ID: <12e5d0d90804030404w77a4f1b6ob99594b8ad88f9e8@mail.gmail.com>

>
> Hi Anand,

   This is what I exactly mean. This is the thing I want to do. I am now
using python 2.5.1 . So is
   there a way that I can do a thing like this in python 2.5.1 ( an
alternative way).

  Heshan Suriyaarachchi

>
>
> >>> def f(x : "an integer", y: "another integer") -> "Sum of x and y":
> ...     return x + y
> >>> f.__annotations__
> {'y': 'another integer', 'x': 'an integer', 'return': 'Sum of x and y'}
>
> The help() function returns the annotation plus the docstring now.
> >>> f.__doc__ = "A sum function"
> >>> help(f)
> Help on function f in module __main__:
>
> f(x: 'an integer', y: 'another integer') -> 'Sum of x and y'
>    A sum function
>
>
>
>
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From abpillai at gmail.com  Thu Apr  3 13:12:03 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Thu, 3 Apr 2008 16:42:03 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <12e5d0d90804030404w77a4f1b6ob99594b8ad88f9e8@mail.gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
	<12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
	<4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>
	<8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>
	<12e5d0d90804030404w77a4f1b6ob99594b8ad88f9e8@mail.gmail.com>
Message-ID: <8548c5f30804030412h1de4603ao1addab787e2007f7@mail.gmail.com>

No, I don't think so. Python has the trick of "peeking into the future" by
backporting a feature in a future version to the current version by using
the __future__ module.

However I run Python 2.5 and I do not see any mention of function
annotations in __future__ module.

Python 2.5.1 (r251:54863, Sep  6 2007, 17:27:08)
[GCC 4.1.1 20061011 (Red Hat 4.1.1-30)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import __future__
>>> dir(__future__)
['CO_FUTURE_ABSOLUTE_IMPORT', 'CO_FUTURE_DIVISION',
'CO_FUTURE_WITH_STATEMENT', 'CO_GENERATOR_ALLOWED', 'CO_NESTED',
'_Feature', '__all__', '__builtins__', '__doc__', '__file__',
'__name__', 'absolute_import', 'all_feature_names', 'division',
'generators', 'nested_scopes', 'with_statement']
>>>

However, this should be part of Python 2.6.

But why bother ? Best thing to do is check out the Python 3.0 trunk, and
you can build it and get to know this and other Py3k tricks in a matter
of minutes.

Use the following svn URL for Py3k.

http://svn.python.org/projects/python/branches/py3k

HTH.

--Anand

On Thu, Apr 3, 2008 at 4:34 PM, Heshan Suriyaarachchi
<heshan.suri at gmail.com> wrote:
>
> > Hi Anand,
>    This is what I exactly mean. This is the thing I want to do. I am now
> using python 2.5.1 . So is
>     there a way that I can do a thing like this in python 2.5.1 ( an
> alternative way).
>
>   Heshan Suriyaarachchi
>
> >
> >
> > >>> def f(x : "an integer", y: "another integer") -> "Sum of x and y":
> > ...     return x + y
> > >>> f.__annotations__
> > {'y': 'another integer', 'x': 'an integer', 'return': 'Sum of x and y'}
> >
> > The help() function returns the annotation plus the docstring now.
> > >>> f.__doc__ = "A sum function"
> > >>> help(f)
> > Help on function f in module __main__:
> >
> > f(x: 'an integer', y: 'another integer') -> 'Sum of x and y'
> >    A sum function
> >
> >
> >
> >
> >
> >
> >
>
>
> _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>
>



-- 
-Anand

From kushaldas at gmail.com  Thu Apr  3 14:01:12 2008
From: kushaldas at gmail.com (Kushal Das)
Date: Thu, 3 Apr 2008 17:31:12 +0530
Subject: [BangPypers] My book on Python for newbies
Message-ID: <200804031731.13257.kushaldas@gmail.com>

Hi,
I am writing a book on Python for newbies. You can see it here

http://kushal.fedorapeople.org/book/

I am looking for feedback. Flowers and stones both are welcome 


Kushal
-- 
Fedora Ambassador, India
http://kushaldas.in
http://dgplug.org (Linux User Group of Durgapur)


From sidharth.kuruvila at gmail.com  Thu Apr  3 15:15:59 2008
From: sidharth.kuruvila at gmail.com (Sidharth Kuruvila)
Date: Thu, 3 Apr 2008 18:45:59 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <12e5d0d90804030404w77a4f1b6ob99594b8ad88f9e8@mail.gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
	<12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
	<4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>
	<8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>
	<12e5d0d90804030404w77a4f1b6ob99594b8ad88f9e8@mail.gmail.com>
Message-ID: <885651FD-089D-4F70-A79F-6632090EF49F@gmail.com>

Hi,

You can simulate annotation using decorators. I might be missing  
something about annotation but you can do this.

def annotate(returns, **params):
     def decorate(func):
         params['returns'] = returns
         func.__annotations__ = params
         return func
     return decorate

@annotate("returns", a="a")
def f(a):
     return a

print f.__annotations__




On Apr 3, 2008, at 4:34 PM, Heshan Suriyaarachchi wrote:

> Hi Anand,
>    This is what I exactly mean. This is the thing I want to do. I am  
> now using python 2.5.1 . So is
>    there a way that I can do a thing like this in python 2.5.1 ( an  
> alternative way).
>
>   Heshan Suriyaarachchi
>
>
> >>> def f(x : "an integer", y: "another integer") -> "Sum of x and y":
> ...     return x + y
> >>> f.__annotations__
> {'y': 'another integer', 'x': 'an integer', 'return': 'Sum of x and  
> y'}
>
> The help() function returns the annotation plus the docstring now.
> >>> f.__doc__ = "A sum function"
> >>> help(f)
> Help on function f in module __main__:
>
> f(x: 'an integer', y: 'another integer') -> 'Sum of x and y'
>    A sum function
>
>
>
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers


From skhadar at gmail.com  Thu Apr  3 15:23:18 2008
From: skhadar at gmail.com (Shameer Khadar)
Date: Thu, 3 Apr 2008 18:53:18 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <200804031731.13257.kushaldas@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
Message-ID: <b6ff81950804030623pea6d2mf844433b2f4824ad@mail.gmail.com>

Hi Kushal,

This is nice,
But it is always painful to read a whole book through html links :)
Can you please put a pdf copy of the current version of your book.

Cheers,
Shameer

On Thu, Apr 3, 2008 at 5:31 PM, Kushal Das <kushaldas at gmail.com> wrote:

> Hi,
> I am writing a book on Python for newbies. You can see it here
>
> http://kushal.fedorapeople.org/book/
>
> I am looking for feedback. Flowers and stones both are welcome
>
>
> Kushal
> --
> Fedora Ambassador, India
> http://kushaldas.in
> http://dgplug.org (Linux User Group of Durgapur)
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>



-- 
K Shameer
=========================================
| Indulge | Innovate | Inspire |
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From kushaldas at gmail.com  Thu Apr  3 15:23:33 2008
From: kushaldas at gmail.com (Kushal Das)
Date: Thu, 3 Apr 2008 18:53:33 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <b6ff81950804030623pea6d2mf844433b2f4824ad@mail.gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<b6ff81950804030623pea6d2mf844433b2f4824ad@mail.gmail.com>
Message-ID: <200804031853.34036.kushaldas@gmail.com>

On Thursday 03 April 2008 06:53:18 pm Shameer Khadar wrote:
> Hi Kushal,
>
> This is nice,
> But it is always painful to read a whole book through html links :)
> Can you please put a pdf copy of the current version of your book.
The toolchain I am using for writing this book is currently little bit broken. 
So, I could not generate the PDF. I will upload it as soon as possible.

Kushal
-- 
Fedora Ambassador, India
http://kushaldas.in
http://dgplug.org (Linux User Group of Durgapur)


From pintooo15 at gmail.com  Thu Apr  3 22:02:37 2008
From: pintooo15 at gmail.com (Diabolic Preacher)
Date: Fri, 4 Apr 2008 01:32:37 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <200804031853.34036.kushaldas@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<b6ff81950804030623pea6d2mf844433b2f4824ad@mail.gmail.com>
	<200804031853.34036.kushaldas@gmail.com>
Message-ID: <cf2417c50804031302j2567a890h4967021fabce1a04@mail.gmail.com>

On Thu, Apr 3, 2008 at 6:53 PM, Kushal Das <kushaldas at gmail.com> wrote:
> On Thursday 03 April 2008 06:53:18 pm Shameer Khadar wrote:
>  > Hi Kushal,
>  >
>  > This is nice,
>  > But it is always painful to read a whole book through html links :)
>  > Can you please put a pdf copy of the current version of your book.
>  The toolchain I am using for writing this book is currently little bit broken.
>  So, I could not generate the PDF. I will upload it as soon as possible.

Thanks for your time and effort for creating such an attractive and
interesting book for beginners. mirrored the book offline with httrack
for now.


-- 
Diabolic Preacher
As Is
Blog: http://pintooo15.livejournal.com/
Bookmarks: http://simpy.com/user/dpreacher
-----BEGIN GEEK CODE BLOCK-----
Version: 3.1
GCS/IT d+(-) s+:+ a22 C++@ UL@ P L+(++) E- W++ !N o? K>++ w(-) !O M-(--)
!V PS+ PE++ Y+ PGP t- 5? X>+ R- tv@ b-(+) DI+ D+ G++ e++ h-- !r y-
------END GEEK CODE BLOCK------

From heshan.suri at gmail.com  Fri Apr  4 07:53:51 2008
From: heshan.suri at gmail.com (Heshan Suriyaarachchi)
Date: Fri, 4 Apr 2008 11:23:51 +0530
Subject: [BangPypers] Expressing meta-data about classes, methods,
	variables, parameters in python
In-Reply-To: <885651FD-089D-4F70-A79F-6632090EF49F@gmail.com>
References: <12e5d0d90804020234t74e6fd9bg4433899844bbfd37@mail.gmail.com>
	<b7f7a6960804022046o3388e8d2ub08f18748c036c77@mail.gmail.com>
	<12e5d0d90804030133g631c03f6l808908ed760b3fb4@mail.gmail.com>
	<4EB19583-28D1-4999-847B-DC8AAC5521C1@gmail.com>
	<8548c5f30804030345n213d6f9ew3c4861c7a07c8519@mail.gmail.com>
	<12e5d0d90804030404w77a4f1b6ob99594b8ad88f9e8@mail.gmail.com>
	<885651FD-089D-4F70-A79F-6632090EF49F@gmail.com>
Message-ID: <12e5d0d90804032253t33b3cd1ered465862400ec273@mail.gmail.com>

Hi
   Python 3.0 provides the best solution to my problem with annotations.But
for the time being I am able to work with the way Sidharth proposed using
decorators.

:)
Thanx guys
Heshan Suriyaarachchi
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From skpatel20 at hotmail.com  Fri Apr  4 08:59:44 2008
From: skpatel20 at hotmail.com (Sanjaya Kumar Patel)
Date: Fri, 4 Apr 2008 12:29:44 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <200804031731.13257.kushaldas@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
Message-ID: <BAY121-W25D9871AA54FA7B0FE07C1B9F60@phx.gbl>


> I am writing a book on Python for newbies. You can see it here
> 
> http://kushal.fedorapeople.org/book/
> 

While I am going through the book at ease, must appreciate the simple look and feel of the site. Curious to know what tools do you use to produce the site.

Sanjay

_________________________________________________________________
Technology : Catch up on updates on the latest Gadgets, Reviews, Gaming and Tips to use technology etc.
http://computing.in.msn.com/

From kushaldas at gmail.com  Fri Apr  4 09:12:22 2008
From: kushaldas at gmail.com (Kushal Das)
Date: Fri, 4 Apr 2008 12:42:22 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <BAY121-W25D9871AA54FA7B0FE07C1B9F60@phx.gbl>
References: <200804031731.13257.kushaldas@gmail.com>
	<BAY121-W25D9871AA54FA7B0FE07C1B9F60@phx.gbl>
Message-ID: <200804041242.23084.kushaldas@gmail.com>

On Friday 04 April 2008 12:29:44 pm Sanjaya Kumar Patel wrote:
> While I am going through the book at ease, must appreciate the simple look
> and feel of the site. Curious to know what tools do you use to produce the
> site.
I used Publican , which is a toolchain based on docbook.  It used to be 
Redhat's in-house tool iirc.
You can get more details at:
https://fedorahosted.org/publican/

Kushal
-- 
Fedora Ambassador, India
http://kushaldas.in
http://dgplug.org (Linux User Group of Durgapur)


From gnuyoga at gmail.com  Fri Apr  4 10:18:10 2008
From: gnuyoga at gmail.com (gnuyoga)
Date: Fri, 04 Apr 2008 13:48:10 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <200804031731.13257.kushaldas@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
Message-ID: <47F5E442.9080300@gmail.com>

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From abpillai at gmail.com  Fri Apr  4 10:20:59 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Fri, 4 Apr 2008 13:50:59 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <47F5E442.9080300@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
Message-ID: <8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>

Going by that logic all Java books are futile since the Java API documentation
is available.

--Anand

On Fri, Apr 4, 2008 at 1:48 PM, gnuyoga <gnuyoga at gmail.com> wrote:

>  don't u think this is a futile effort in comparison with docs.python.org
>
>  curious to know why u wrote this
>
>  - sree
>
>  --
> http://picasaweb.google.com/gnuyoga
>
> Each soul is potentially divine. The goal is to manifest the divine by
> controlling nature, internal or external. Do this by work or worship or
> psychic control or philosophy by one or more, or all of these and be free.
>
>
> _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>
>



-- 
-Anand

From kushaldas at gmail.com  Fri Apr  4 10:17:18 2008
From: kushaldas at gmail.com (Kushal Das)
Date: Fri, 4 Apr 2008 13:47:18 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <47F5E442.9080300@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
Message-ID: <200804041347.18281.kushaldas@gmail.com>

On Friday 04 April 2008 01:48:10 pm gnuyoga wrote:
> don't u think this is a futile effort in comparison with
> docs.python.org 
> curious to know why u wrote this <br>
Because I found most of the students are not into RTFM much. They like books 
with examples just like any other book in the school.

Kushal
-- 
Fedora Ambassador, India
http://kushaldas.in
http://dgplug.org (Linux User Group of Durgapur)


From ramdas at developeriq.com  Fri Apr  4 12:57:17 2008
From: ramdas at developeriq.com (Ramdas S)
Date: Fri, 4 Apr 2008 16:27:17 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
Message-ID: <6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>

I second Anand. I won't mind 100 Kushals writing 100 *free *books on Python.
I might not read all of them, but then I can recommend all of them to people
who says there is a lack of docs on Python.

I feel we need even more documentation at entry level.

Kushal, good job, Keep the book effort going....

Ramdas

On Fri, Apr 4, 2008 at 1:50 PM, Anand Balachandran Pillai <
abpillai at gmail.com> wrote:

> Going by that logic all Java books are futile since the Java API
> documentation
> is available.
>
> --Anand
>
> On Fri, Apr 4, 2008 at 1:48 PM, gnuyoga <gnuyoga at gmail.com> wrote:
>
> >  don't u think this is a futile effort in comparison with
> docs.python.org
> >
> >  curious to know why u wrote this
> >
> >  - sree
> >
> >  --
> > http://picasaweb.google.com/gnuyoga
> >
> > Each soul is potentially divine. The goal is to manifest the divine by
> > controlling nature, internal or external. Do this by work or worship or
> > psychic control or philosophy by one or more, or all of these and be
> free.
> >
> >
> > _______________________________________________
> >  BangPypers mailing list
> >  BangPypers at python.org
> >  http://mail.python.org/mailman/listinfo/bangpypers
> >
> >
>
>
>
> --
> -Anand
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
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From venkatasubramanian at gmail.com  Fri Apr  4 13:02:33 2008
From: venkatasubramanian at gmail.com (venkata subramanian)
Date: Fri, 4 Apr 2008 16:32:33 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
	<6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>
Message-ID: <acf1defa0804040402t313d7a68pde3dedddea394654@mail.gmail.com>

Moreover, a documentation does not equate to a book.

They serve different purposes, have different presentations.

I liked Kushal's presentation a lot ( his writing can be improved).

Python Books - the more the merrier.

Regards,'
Venkat


On Fri, Apr 4, 2008 at 4:27 PM, Ramdas S <ramdas at developeriq.com> wrote:
> I second Anand. I won't mind 100 Kushals writing 100 free books on Python. I
> might not read all of them, but then I can recommend all of them to people
> who says there is a lack of docs on Python.
>
> I feel we need even more documentation at entry level.
>
> Kushal, good job, Keep the book effort going....
>
> Ramdas
>
>
>
> On Fri, Apr 4, 2008 at 1:50 PM, Anand Balachandran Pillai
> <abpillai at gmail.com> wrote:
>
> > Going by that logic all Java books are futile since the Java API
> documentation
> > is available.
> >
> > --Anand
> >
> >
> > On Fri, Apr 4, 2008 at 1:48 PM, gnuyoga <gnuyoga at gmail.com> wrote:
> >
> > >  don't u think this is a futile effort in comparison with
> docs.python.org
> > >
> > >  curious to know why u wrote this
> > >
> > >  - sree
> > >
> > >  --
> > > http://picasaweb.google.com/gnuyoga
> > >
> > > Each soul is potentially divine. The goal is to manifest the divine by
> > > controlling nature, internal or external. Do this by work or worship or
> > > psychic control or philosophy by one or more, or all of these and be
> free.
> > >
> > >
> >
> > > _______________________________________________
> > >  BangPypers mailing list
> > >  BangPypers at python.org
> > >  http://mail.python.org/mailman/listinfo/bangpypers
> > >
> > >
> >
> >
> >
> > --
> > -Anand
> >
> >
> >
> > _______________________________________________
> > BangPypers mailing list
> > BangPypers at python.org
> > http://mail.python.org/mailman/listinfo/bangpypers
> >
>
>
> _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>
>

From pintooo15 at gmail.com  Fri Apr  4 14:09:11 2008
From: pintooo15 at gmail.com (Diabolic Preacher)
Date: Fri, 4 Apr 2008 17:39:11 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <47F5E442.9080300@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
Message-ID: <cf2417c50804040509u59202827v1964486617c6d354@mail.gmail.com>

On Fri, Apr 4, 2008 at 1:48 PM, gnuyoga <gnuyoga at gmail.com> wrote:

> Kushal
>
>  don't u think this is a futile effort in comparison with docs.python.org
>
>  curious to know why u wrote this

because dumb people like me only understand simplified and
example-filled books like the ones brought out by people like Kushal.
Because official maybe authentic but not exactly
understandable...happens with other languages' reference material
also.
And this is not just a demo of how to use Publican. This is an effort
to use a toolchain to reproduce the troubles taken by Kushal to
actually work out the examples and taken the user on a step by step
tour.
Different books for different needs. For that matter, a lot of open
source projects get created because more often than not the author has
the need for such a particular tool or rather variation of the tool.

>
>  - sree


-- 
Diabolic Preacher
As Is
Blog: http://pintooo15.livejournal.com/
Bookmarks: http://simpy.com/user/dpreacher
-----BEGIN GEEK CODE BLOCK-----
Version: 3.1
GCS/IT d+(-) s+:+ a22 C++@ UL@ P L+(++) E- W++ !N o? K>++ w(-) !O M-(--)
!V PS+ PE++ Y+ PGP t- 5? X>+ R- tv@ b-(+) DI+ D+ G++ e++ h-- !r y-
------END GEEK CODE BLOCK------

From gnuyoga at gmail.com  Fri Apr  4 14:13:42 2008
From: gnuyoga at gmail.com (gnuyoga)
Date: Fri, 04 Apr 2008 17:43:42 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>	<47F5E442.9080300@gmail.com>
	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
Message-ID: <47F61B76.1070301@gmail.com>

Anand Balachandran Pillai wrote:
> Going by that logic all Java books are futile since the Java API documentation
> is available.
>
> --Anand
>
>   
Am not against anyone writing documentaion/howto... its a g8 skill. 
really appreciate.

I really dont know how much community can be proud about Java 
Development / Documentation ... its more of Sun.

That is not the case with python.org

- sree

-- 
http://picasaweb.google.com/gnuyoga

Each soul is potentially divine. The goal is to manifest the divine by controlling nature, internal or external. Do this by work or worship or psychic control or philosophy by one or more, or all of these and be free.


From gnuyoga at gmail.com  Fri Apr  4 14:18:12 2008
From: gnuyoga at gmail.com (gnuyoga)
Date: Fri, 04 Apr 2008 17:48:12 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <acf1defa0804040402t313d7a68pde3dedddea394654@mail.gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>	<47F5E442.9080300@gmail.com>	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>	<6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>
	<acf1defa0804040402t313d7a68pde3dedddea394654@mail.gmail.com>
Message-ID: <47F61C84.5010807@gmail.com>

venkata subramanian wrote:
> Moreover, a documentation does not equate to a book.
>
> They serve different purposes, have different presentations.
>
> I liked Kushal's presentation a lot ( his writing can be improved).
>
> Python Books - the more the merrier.
>
> Regards,'
> Venkat
>   

this is interesting. what is that people are looking while learning a 
language ??

I would love to have the following
- Quick Started Guide
- Hands On (lots of use cases and examples)
- Advanced Language use cases
- Tricks & Techniques  - proven ways of solving commons problems
- API Documentation


-- 
http://picasaweb.google.com/gnuyoga

Each soul is potentially divine. The goal is to manifest the divine by controlling nature, internal or external. Do this by work or worship or psychic control or philosophy by one or more, or all of these and be free.


From anandology at gmail.com  Fri Apr  4 14:54:30 2008
From: anandology at gmail.com (Anand Chitipothu)
Date: Fri, 4 Apr 2008 18:24:30 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <47F61C84.5010807@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
	<6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>
	<acf1defa0804040402t313d7a68pde3dedddea394654@mail.gmail.com>
	<47F61C84.5010807@gmail.com>
Message-ID: <41139fcb0804040554v546974bes5ca4d2c6b001b6ec@mail.gmail.com>

>
>  this is interesting. what is that people are looking while learning a
>  language ??
>
>  I would love to have the following
>  - Quick Started Guide
>  - Hands On (lots of use cases and examples)
>  - Advanced Language use cases
>  - Tricks & Techniques  - proven ways of solving commons problems
>  - API Documentation

I have written one with lot of examples and exercises when I was doing
a training session on python.

http://pythonprogramming.jottit.com

I found that lot of beginner tutorials/books concentrate on explaining
the syntax than explaining the programming concepts. When I started
writing this, I wanted write a book to learn programming through
python, not just a book to learn python.

From khuranavivek_in at yahoo.com  Fri Apr  4 15:23:38 2008
From: khuranavivek_in at yahoo.com (vivek khurana)
Date: Fri, 4 Apr 2008 06:23:38 -0700 (PDT)
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
Message-ID: <355499.4146.qm@web55210.mail.re4.yahoo.com>


--- Anand Balachandran Pillai <abpillai at gmail.com>
wrote:

> Going by that logic all Java books are futile since
> the Java API documentation
> is available.

 I think what sree is referring here is the python
tutorial available under docs.python.org . This
tutorial is full of examples. As for examples that
solve common problems etc. we do have free python
cookbook available under ASPN 

 I think the question here is similar to, why so
another linux distro when we already have so many of
them. :)

regards
VK


Engineers normally have problem with every solution. If not they have  a solution in search of a problem.

Disclaimer
The facts expressed here belong to everybody, the opinions to me. The distinction is yours to draw...


      ____________________________________________________________________________________
You rock. That's why Blockbuster's offering you one month of Blockbuster Total Access, No Cost.  
http://tc.deals.yahoo.com/tc/blockbuster/text5.com

From venkatasubramanian at gmail.com  Fri Apr  4 15:45:41 2008
From: venkatasubramanian at gmail.com (venkata subramanian)
Date: Fri, 4 Apr 2008 19:15:41 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <47F61C84.5010807@gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
	<6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>
	<acf1defa0804040402t313d7a68pde3dedddea394654@mail.gmail.com>
	<47F61C84.5010807@gmail.com>
Message-ID: <acf1defa0804040645q793adde8m229628f1cdd5ea56@mail.gmail.com>

On Fri, Apr 4, 2008 at 5:48 PM, gnuyoga <gnuyoga at gmail.com> wrote:
> venkata subramanian wrote:
>  > Moreover, a documentation does not equate to a book.
>  >
>  > They serve different purposes, have different presentations.
>  >
>  > I liked Kushal's presentation a lot ( his writing can be improved).
>  >
>  > Python Books - the more the merrier.
>  >
>  > Regards,'
>  > Venkat
>  >
>
>  this is interesting. what is that people are looking while learning a
>  language ??
>
>  I would love to have the following
>  - Quick Started Guide
>  - Hands On (lots of use cases and examples)
>  - Advanced Language use cases
>  - Tricks & Techniques  - proven ways of solving commons problems
Does a Cookbook equate to this? I find cookbooks to be very useful.

Also, I would like to know the gotchas and the design warts of the language.

>  - API Documentation
>
>
>  --
>
>
> http://picasaweb.google.com/gnuyoga
>
>  Each soul is potentially divine. The goal is to manifest the divine by controlling nature, internal or external. Do this by work or worship or psychic control or philosophy by one or more, or all of these and be free.
>
>  _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>

From abpillai at gmail.com  Fri Apr  4 15:48:09 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Fri, 4 Apr 2008 19:18:09 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <355499.4146.qm@web55210.mail.re4.yahoo.com>
References: <8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
	<355499.4146.qm@web55210.mail.re4.yahoo.com>
Message-ID: <8548c5f30804040648v1448798od2a1d8507b3caa73@mail.gmail.com>

On Fri, Apr 4, 2008 at 6:53 PM, vivek khurana <khuranavivek_in at yahoo.com> wrote:
>
>  --- Anand Balachandran Pillai <abpillai at gmail.com>
>  wrote:
>
>
>  > Going by that logic all Java books are futile since
>  > the Java API documentation
>  > is available.
>
>   I think what sree is referring here is the python
>  tutorial available under docs.python.org . This
>  tutorial is full of examples. As for examples that
>  solve common problems etc. we do have free python
>  cookbook available under ASPN
>
>   I think the question here is similar to, why so
>  another linux distro when we already have so many of
>  them. :)

We have umpteen number of them and still creating a
new Linux distro is a favorite project among F/OSS
enthusiasts. Why ?

This is because F/OSS thrives not just on quality but also
on quantity. For example, for network packet analysis, the
best tool is perhaps wireshark, and for scanning nmap, but
that does not prevent someone from writing a Scapy or
ethersniff or hping2.

There are many package managers out there - yum,
apt-get, smart, urpmi etc. Why not just one ?

The reason is F/OSS thrives on variety also, not just on a single
source. That would be called monopoly. That is even true for
books or tutorials. Hence we need more Kushals though he may
not write a "diveintopython".

>
>  regards
>  VK
>
>
>  Engineers normally have problem with every solution. If not they have  a solution in search of a problem.
>
>  Disclaimer
>  The facts expressed here belong to everybody, the opinions to me. The distinction is yours to draw...
>
>
>
>       ____________________________________________________________________________________
>  You rock. That's why Blockbuster's offering you one month of Blockbuster Total Access, No Cost.
>  http://tc.deals.yahoo.com/tc/blockbuster/text5.com
>
>
> _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>



-- 
-Anand

From arivoli at gmail.com  Fri Apr  4 19:59:40 2008
From: arivoli at gmail.com (Arivoli S)
Date: Fri, 4 Apr 2008 12:59:40 -0500
Subject: [BangPypers] How to read a file from bottom
Message-ID: <6f5104bf0804041059m121d4b5ck29f14b8a5a174fd7@mail.gmail.com>

Hi everybody,
   i have a log file which will grow everyday, so the size will be nearly
500MB. i am keep on inserting a line one by one in the file.
so the latest one will be in the bottom. I need to get latest 100
lines(lines from bottom). Any idea how to read lines from bottom in a text
file?

I tried storing into a list line by line, and iterating from bottom , but it
seems to be slow. Is there any better way to do this?

thanks
Arivoli
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From vimalmenon at yahoo.com  Fri Apr  4 20:58:25 2008
From: vimalmenon at yahoo.com (Vimal Menon)
Date: Fri, 4 Apr 2008 11:58:25 -0700 (PDT)
Subject: [BangPypers] How to read a file from bottom
Message-ID: <170610.25840.qm@web30505.mail.mud.yahoo.com>

Hi Arivoli,

Theres a dirty trick ;) (by running a command).. If u r on a linux machine u can use the tail command .. tail -100 <filename> would give u the last 100 lines of <filename> .. 
(or do a seek and read) 
or u can try this http://code.google.com/p/pytailer/

Regards,
Vimal
 


----- Original Message ----
From: Arivoli S <arivoli at gmail.com>
To: bangpypers at python.org
Sent: Friday, April 4, 2008 11:29:40 PM
Subject: [BangPypers] How to read a file from bottom

Hi everybody,
   i have a log file which will grow everyday, so the size will be nearly 500MB. i am keep on inserting a line one by one in the file.
so the latest one will be in the bottom. I need to get latest 100 lines(lines from bottom). Any idea how to read lines from bottom in a text file?

I tried storing into a list line by line, and iterating from bottom , but it seems to be slow. Is there any better way to do this?

thanks
Arivoli


      ____________________________________________________________________________________
You rock. That's why Blockbuster's offering you one month of Blockbuster Total Access, No Cost.  
http://tc.deals.yahoo.com/tc/blockbuster/text5.com
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From arivoli at gmail.com  Fri Apr  4 21:13:54 2008
From: arivoli at gmail.com (Arivoli S)
Date: Fri, 4 Apr 2008 14:13:54 -0500
Subject: [BangPypers] How to read a file from bottom
In-Reply-To: <170610.25840.qm@web30505.mail.mud.yahoo.com>
References: <170610.25840.qm@web30505.mail.mud.yahoo.com>
Message-ID: <6f5104bf0804041213t5c5637e6l381f9d6d2a7c7a13@mail.gmail.com>

Hi Vimal,
   The pytailer is really cool stuff, i will try this.
   Actually i got another option also, just look at this
         http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/120686
   This is also seems be to fine, let me check both to get a best one.
Thanks for your information.

thanks
Arivoli


On Fri, Apr 4, 2008 at 1:58 PM, Vimal Menon <vimalmenon at yahoo.com> wrote:

> Hi Arivoli,
>
> Theres a dirty trick ;) (by running a command).. If u r on a linux
> machine u can use the tail command .. tail -100 <filename> would give u the
> last 100 lines of <filename> ..
> (or do a seek and read)
> or u can try this http://code.google.com/p/pytailer/
>
> Regards,
> Vimal
>
>
>  ----- Original Message ----
> From: Arivoli S <arivoli at gmail.com>
> To: bangpypers at python.org
> Sent: Friday, April 4, 2008 11:29:40 PM
> Subject: [BangPypers] How to read a file from bottom
>
> Hi everybody,
>    i have a log file which will grow everyday, so the size will be nearly
> 500MB. i am keep on inserting a line one by one in the file.
> so the latest one will be in the bottom. I need to get latest 100
> lines(lines from bottom). Any idea how to read lines from bottom in a text
> file?
>
> I tried storing into a list line by line, and iterating from bottom , but
> it seems to be slow. Is there any better way to do this?
>
> thanks
> Arivoli
>
>
> ------------------------------
> You rock. That's why Blockbuster's offering you one month of Blockbuster
> Total Access<http://us.rd.yahoo.com/evt=47523/*http://tc.deals.yahoo.com/tc/blockbuster/text5.com>,
> No Cost.
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
>


-- 
thanks
Arivoli
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From ramdas at developeriq.com  Sat Apr  5 05:19:52 2008
From: ramdas at developeriq.com (Ramdas S)
Date: Sat, 5 Apr 2008 08:49:52 +0530
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <41139fcb0804040554v546974bes5ca4d2c6b001b6ec@mail.gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
	<6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>
	<acf1defa0804040402t313d7a68pde3dedddea394654@mail.gmail.com>
	<47F61C84.5010807@gmail.com>
	<41139fcb0804040554v546974bes5ca4d2c6b001b6ec@mail.gmail.com>
Message-ID: <6e38f9f00804042019p79d2cfa5y46d45e089665c7b8@mail.gmail.com>

Anand/Kushal,

I hope you guys will feel encouraged to continue with your work. Both are
very decent starts. But do not stop at the beginners level, and continue the
work on branch out and make it special

Ramdas

On Fri, Apr 4, 2008 at 6:24 PM, Anand Chitipothu <anandology at gmail.com>
wrote:

> >
> >  this is interesting. what is that people are looking while learning a
> >  language ??
> >
> >  I would love to have the following
> >  - Quick Started Guide
> >  - Hands On (lots of use cases and examples)
> >  - Advanced Language use cases
> >  - Tricks & Techniques  - proven ways of solving commons problems
> >  - API Documentation
>
> I have written one with lot of examples and exercises when I was doing
> a training session on python.
>
> http://pythonprogramming.jottit.com
>
> I found that lot of beginner tutorials/books concentrate on explaining
> the syntax than explaining the programming concepts. When I started
> writing this, I wanted write a book to learn programming through
> python, not just a book to learn python.
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
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From sridhar.ratna at gmail.com  Sat Apr  5 08:54:08 2008
From: sridhar.ratna at gmail.com (Sridhar Ratnakumar)
Date: Fri, 4 Apr 2008 23:54:08 -0700
Subject: [BangPypers] My book on Python for newbies
In-Reply-To: <6e38f9f00804042019p79d2cfa5y46d45e089665c7b8@mail.gmail.com>
References: <200804031731.13257.kushaldas@gmail.com>
	<47F5E442.9080300@gmail.com>
	<8548c5f30804040120l2bccf4d3i2cdd9ccbba6b076@mail.gmail.com>
	<6e38f9f00804040357u5ad68905rbf3cba910cf4238@mail.gmail.com>
	<acf1defa0804040402t313d7a68pde3dedddea394654@mail.gmail.com>
	<47F61C84.5010807@gmail.com>
	<41139fcb0804040554v546974bes5ca4d2c6b001b6ec@mail.gmail.com>
	<6e38f9f00804042019p79d2cfa5y46d45e089665c7b8@mail.gmail.com>
Message-ID: <7c73a13a0804042354i138f8e95n3424aea25a5baa93@mail.gmail.com>

On Fri, Apr 4, 2008 at 8:19 PM, Ramdas S <ramdas at developeriq.com> wrote:
>
> But do not stop at the beginners level, and continue the
> work on branch out and make it special

Right. When MOST of the open source projects are dying/dead, it is
indeed an achievement to _continue_ to maintain/improve a project. As
far as I can tell, being a bipolar contributor is the least
appreciated. http://www.lambdassociates.org/blog/bipolar.htm

Cheers,
  Sridhar

From dorai at thodla.com  Tue Apr  8 06:38:34 2008
From: dorai at thodla.com (Dorai Thodla)
Date: Tue, 8 Apr 2008 10:08:34 +0530
Subject: [BangPypers] Google App Engine with Python run time
Message-ID: <603b7e560804072138h2d44efd5v113af8519ca3595c@mail.gmail.com>

I tried to register but I think, I was already too late. So I just blogged
about it, instead.

http://dorai.wordpress.com/2008/04/08/google-app-engine-with-python-run-time/

It is exciting to see Google entering Web hosting space with an App Engine
with python run-time.

-- 
Dorai Thodla (http://www.thodla.com)
Thinking about Technology Innovation and Learning
My DailyLog (http://dorai.tumblr.com/) - Stuff worth remembering
US: 650-206-2688, India: 98408 89258
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From siddharta.lists at gmail.com  Tue Apr  8 15:33:10 2008
From: siddharta.lists at gmail.com (Siddharta)
Date: Tue, 08 Apr 2008 19:03:10 +0530
Subject: [BangPypers] Google App Engine with Python run time
In-Reply-To: <603b7e560804072138h2d44efd5v113af8519ca3595c@mail.gmail.com>
References: <603b7e560804072138h2d44efd5v113af8519ca3595c@mail.gmail.com>
Message-ID: <47FB7416.2010105@gmail.com>

Very interesting. This could become quite big. Are they out to compete 
with Amazon Web Services?

Looking through the API it seems to be heavily influenced by Django. The 
datastore API is very similar to Django's ORM and the default template 
engine uses Django template syntax. They even have official 
documentation on deploying Django apps on this infrastructure - 
http://code.google.com/appengine/articles/django.html

--
Siddharta Govindaraj

Dorai Thodla wrote:
> I tried to register but I think, I was already too late. So I just 
> blogged about it, instead.
>
> http://dorai.wordpress.com/2008/04/08/google-app-engine-with-python-run-time/
>
> It is exciting to see Google entering Web hosting space with an App 
> Engine with python run-time.
>
> -- 
> Dorai Thodla (http://www.thodla.com)
> Thinking about Technology Innovation and Learning
> My DailyLog (http://dorai.tumblr.com/) - Stuff worth remembering
> US: 650-206-2688, India: 98408 89258


From dorai at thodla.com  Tue Apr  8 17:25:35 2008
From: dorai at thodla.com (Dorai Thodla)
Date: Tue, 8 Apr 2008 20:55:35 +0530
Subject: [BangPypers] Google App Engine with Python run time
In-Reply-To: <47FB7416.2010105@gmail.com>
References: <603b7e560804072138h2d44efd5v113af8519ca3595c@mail.gmail.com>
	<47FB7416.2010105@gmail.com>
Message-ID: <603b7e560804080825w6e11419eua44481ed5dd8f2b6@mail.gmail.com>

Yeah. I was surprised. I did not notice the Django stuff first, but a friend
pointed out to me that the examples are Django. And then I found that Django
is pre-installed on the servers in the FAQ page.

Did you see the Django presentation video at Google?

Dorai

On Tue, Apr 8, 2008 at 7:03 PM, Siddharta <siddharta.lists at gmail.com> wrote:

> Very interesting. This could become quite big. Are they out to compete
> with Amazon Web Services?
>
> Looking through the API it seems to be heavily influenced by Django. The
> datastore API is very similar to Django's ORM and the default template
> engine uses Django template syntax. They even have official
> documentation on deploying Django apps on this infrastructure -
> http://code.google.com/appengine/articles/django.html
>
> --
> Siddharta Govindaraj
>
> Dorai Thodla wrote:
> > I tried to register but I think, I was already too late. So I just
> > blogged about it, instead.
> >
> >
> http://dorai.wordpress.com/2008/04/08/google-app-engine-with-python-run-time/
> >
> > It is exciting to see Google entering Web hosting space with an App
> > Engine with python run-time.
> >
> > --
> > Dorai Thodla (http://www.thodla.com)
> > Thinking about Technology Innovation and Learning
> > My DailyLog (http://dorai.tumblr.com/) - Stuff worth remembering
> > US: 650-206-2688, India: 98408 89258
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>



-- 
Dorai Thodla (http://www.thodla.com)
Thinking about Technology Innovation and Learning
My DailyLog (http://dorai.tumblr.com/) - Stuff worth remembering
US: 650-206-2688, India: 98408 89258
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From lawgon at au-kbc.org  Tue Apr  8 18:20:52 2008
From: lawgon at au-kbc.org (Kenneth Gonsalves)
Date: Tue, 8 Apr 2008 21:50:52 +0530
Subject: [BangPypers] Google App Engine with Python run time
In-Reply-To: <47FB7416.2010105@gmail.com>
References: <603b7e560804072138h2d44efd5v113af8519ca3595c@mail.gmail.com>
	<47FB7416.2010105@gmail.com>
Message-ID: <FDFA5A96-B03F-49E7-9EC3-00442A7D4D8D@au-kbc.org>

django rulz

On 08-Apr-08, at 7:03 PM, Siddharta wrote:

> Very interesting. This could become quite big. Are they out to compete
> with Amazon Web Services?
>
> Looking through the API it seems to be heavily influenced by  
> Django. The
> datastore API is very similar to Django's ORM and the default template
> engine uses Django template syntax. They even have official
> documentation on deploying Django apps on this infrastructure -
> http://code.google.com/appengine/articles/django.html
>
> --
> Siddharta Govindaraj
>
> Dorai Thodla wrote:
>> I tried to register but I think, I was already too late. So I just
>> blogged about it, instead.
>>
>> http://dorai.wordpress.com/2008/04/08/google-app-engine-with- 
>> python-run-time/
>>
>> It is exciting to see Google entering Web hosting space with an App
>> Engine with python run-time.
>>
>> -- 
>> Dorai Thodla (http://www.thodla.com)
>> Thinking about Technology Innovation and Learning
>> My DailyLog (http://dorai.tumblr.com/) - Stuff worth remembering
>> US: 650-206-2688, India: 98408 89258
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers


-- 
regards

Kenneth Gonsalves
Associate, NRC-FOSS
lawgon at au-kbc.org
http://nrcfosshelpline.in/code/





From abpillai at gmail.com  Thu Apr 10 11:04:39 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Thu, 10 Apr 2008 14:34:39 +0530
Subject: [BangPypers] Dissecting .pyc files
Message-ID: <8548c5f30804100204k372fbac8v3c7bc9768626223c@mail.gmail.com>

A very good article by Ned Batchelder.

http://nedbatchelder.com/blog/200804/the_structure_of_pyc_files.html

-- 
-Anand

From pc_3110 at yahoo.co.in  Wed Apr 23 08:56:52 2008
From: pc_3110 at yahoo.co.in (Prajakta Chaudhari)
Date: Wed, 23 Apr 2008 12:26:52 +0530 (IST)
Subject: [BangPypers] reqiured help for final year project - urgent
Message-ID: <175859.99257.qm@web8505.mail.in.yahoo.com>

Sir,

We were suggested your name by a friend of ours in Thadomal Sahani Engineering College. We are students of K. J. Somaiya College of Engineering. We are doing our final year project in Python and need some help.
Our project is : we wanted to transfer all types of files(.txt, .jpg, .mp3, .mpeg and so on) automatically from the phone to our computer using Bluetooth. Whenever our phone comes in the range of the computer Bluetooth dongle, it must update any file, which has been recently updated on the phone, onto the computer. Until now, we have just been able to transfer .txt files over Bluetooth. We are facing problems in transferring other files. 

Our codes are:

Phone code:

import sys, socket
host = ?11:11:11:11:11:11?
port = 10
file = ?E:\\Data\\2.txt?
s = socket.socket(socket.AF_BT, socket.SOCK_STREAM)
s.connect((host, port))
f = open(file, ?r?)
data = f.read()
f.close()
s.send(data)
s.close()

Here, for transferring other types of files, we tried using opening the files with read binary; ?rb?, format. But that approach has not worked.

Computer code:

from Bluetooth import *
port =10
backlog = 1
file = ?C:\Documents and Settings\sanjay\Desktop\Transfer\File.txt?
host = ?11:11:11:11:11:11?
soc = BluetoothSocket(RFCOMM)
soc.bind((host, port))
soc.listen(backlog)
csoc, cinfo  = soc.accept()
csoc.recv(1024)
csoc.close()
soc.close()

Kindly help us out with this problem of ours. Looking forward to your reply.

Thanking you,

Yours sincerely,

Prajakta Chaudhari
Priya Mathur
(K. J. Somaiya College Of Engineering ? Electronics and Telecommunication Engineering)


      Meet people who discuss and share your passions. Go to http://in.promos.yahoo.com/groups/bestofyahoo/

From raj.amal at gmail.com  Wed Apr 23 09:20:57 2008
From: raj.amal at gmail.com (Amal)
Date: Wed, 23 Apr 2008 12:50:57 +0530
Subject: [BangPypers] reqiured help for final year project - urgent
In-Reply-To: <175859.99257.qm@web8505.mail.in.yahoo.com>
References: <175859.99257.qm@web8505.mail.in.yahoo.com>
Message-ID: <3bfbb0bb0804230020u4de6479ar58b3a3c759333c56@mail.gmail.com>

If you tell what the problem is then may be we can help.

One issue I noticed is you are using csoc.recv(1024) . Which is tooo small
for the other file formats. So what u can do is write a loop there to
receive the entire data. Basically when u say csoc.recv(1024) It reads only
1024 bytes from the socket and remaining are not read.  And use "rb" only
for the reading.

And hereafter tell what is the problem in the mail, rather than just saying
its not working. It will help us understand the problem.

regards,
Amal.

On Wed, Apr 23, 2008 at 12:26 PM, Prajakta Chaudhari <pc_3110 at yahoo.co.in>
wrote:

> Sir,
>
> We were suggested your name by a friend of ours in Thadomal Sahani
> Engineering College. We are students of K. J. Somaiya College of
> Engineering. We are doing our final year project in Python and need some
> help.
> Our project is : we wanted to transfer all types of files(.txt, .jpg,
> .mp3, .mpeg and so on) automatically from the phone to our computer using
> Bluetooth. Whenever our phone comes in the range of the computer Bluetooth
> dongle, it must update any file, which has been recently updated on the
> phone, onto the computer. Until now, we have just been able to transfer .txt
> files over Bluetooth. We are facing problems in transferring other files.
>
> Our codes are:
>
> Phone code:
>
> import sys, socket
> host = "11:11:11:11:11:11"
> port = 10
> file = "E:\\Data\\2.txt"
> s = socket.socket(socket.AF_BT, socket.SOCK_STREAM)
> s.connect((host, port))
> f = open(file, "r")
> data = f.read()
> f.close()
> s.send(data)
> s.close()
>
> Here, for transferring other types of files, we tried using opening the
> files with read binary; "rb", format. But that approach has not worked.
>
> Computer code:
>
> from Bluetooth import *
> port =10
> backlog = 1
> file = "C:\Documents and Settings\sanjay\Desktop\Transfer\File.txt"
> host = "11:11:11:11:11:11"
> soc = BluetoothSocket(RFCOMM)
> soc.bind((host, port))
> soc.listen(backlog)
> csoc, cinfo  = soc.accept()
> csoc.recv(1024)
> csoc.close()
> soc.close()
>
> Kindly help us out with this problem of ours. Looking forward to your
> reply.
>
> Thanking you,
>
> Yours sincerely,
>
> Prajakta Chaudhari
> Priya Mathur
> (K. J. Somaiya College Of Engineering ? Electronics and Telecommunication
> Engineering)
>
>
>      Meet people who discuss and share your passions. Go to
> http://in.promos.yahoo.com/groups/bestofyahoo/
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>



-- 
Amal
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From abpillai at gmail.com  Wed Apr 23 09:31:06 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Wed, 23 Apr 2008 13:01:06 +0530
Subject: [BangPypers] reqiured help for final year project - urgent
In-Reply-To: <3bfbb0bb0804230020u4de6479ar58b3a3c759333c56@mail.gmail.com>
References: <175859.99257.qm@web8505.mail.in.yahoo.com>
	<3bfbb0bb0804230020u4de6479ar58b3a3c759333c56@mail.gmail.com>
Message-ID: <8548c5f30804230031y90aee60t7ce4bdf9e7a98caf@mail.gmail.com>

You are sending and receiving only 1024 bytes of data, so how
do you expect large files such as image or audio files to go through ?
You need to chunk your data to readable small pieces something
in the range of 4-16 kib (4096-16384 bytes) and keep reading
and sending the bytes in a loop to the server, until there are no
more bytes left.

On the server also, keep reading from the socket until there is no
more data left in the channel or you get an exception. Try using
threads in the server and also increasing the backlog.

--Anand

On Wed, Apr 23, 2008 at 12:50 PM, Amal <raj.amal at gmail.com> wrote:
>
> If you tell what the problem is then may be we can help.
>
> One issue I noticed is you are using csoc.recv(1024) . Which is tooo small
> for the other file formats. So what u can do is write a loop there to
> receive the entire data. Basically when u say csoc.recv(1024) It reads only
> 1024 bytes from the socket and remaining are not read.  And use "rb" only
> for the reading.
>
> And hereafter tell what is the problem in the mail, rather than just saying
> its not working. It will help us understand the problem.
>
> regards,
> Amal.
>
>
>
> On Wed, Apr 23, 2008 at 12:26 PM, Prajakta Chaudhari <pc_3110 at yahoo.co.in>
> wrote:
>
> > Sir,
> >
> > We were suggested your name by a friend of ours in Thadomal Sahani
> Engineering College. We are students of K. J. Somaiya College of
> Engineering. We are doing our final year project in Python and need some
> help.
> > Our project is : we wanted to transfer all types of files(.txt, .jpg,
> .mp3, .mpeg and so on) automatically from the phone to our computer using
> Bluetooth. Whenever our phone comes in the range of the computer Bluetooth
> dongle, it must update any file, which has been recently updated on the
> phone, onto the computer. Until now, we have just been able to transfer .txt
> files over Bluetooth. We are facing problems in transferring other files.
> >
> > Our codes are:
> >
> > Phone code:
> >
> > import sys, socket
> > host = "11:11:11:11:11:11"
> > port = 10
> > file = "E:\\Data\\2.txt"
> > s = socket.socket(socket.AF_BT, socket.SOCK_STREAM)
> > s.connect((host, port))
> > f = open(file, "r")
> > data = f.read()
> > f.close()
> > s.send(data)
> > s.close()
> >
> > Here, for transferring other types of files, we tried using opening the
> files with read binary; "rb", format. But that approach has not worked.
> >
> > Computer code:
> >
> > from Bluetooth import *
> > port =10
> > backlog = 1
> > file = "C:\Documents and Settings\sanjay\Desktop\Transfer\File.txt"
> > host = "11:11:11:11:11:11"
> > soc = BluetoothSocket(RFCOMM)
> > soc.bind((host, port))
> > soc.listen(backlog)
> > csoc, cinfo  = soc.accept()
> > csoc.recv(1024)
> > csoc.close()
> > soc.close()
> >
> > Kindly help us out with this problem of ours. Looking forward to your
> reply.
> >
> > Thanking you,
> >
> > Yours sincerely,
> >
> > Prajakta Chaudhari
> > Priya Mathur
> > (K. J. Somaiya College Of Engineering ? Electronics and Telecommunication
> Engineering)
> >
> >
> >      Meet people who discuss and share your passions. Go to
> http://in.promos.yahoo.com/groups/bestofyahoo/
> > _______________________________________________
> > BangPypers mailing list
> > BangPypers at python.org
> > http://mail.python.org/mailman/listinfo/bangpypers
> >
>
>
>
> --
> Amal
> _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>
>



-- 
-Anand

From srinivas_puvvala at yahoo.co.in  Wed Apr 23 11:07:17 2008
From: srinivas_puvvala at yahoo.co.in (srinivasarao puvvala)
Date: Wed, 23 Apr 2008 14:37:17 +0530 (IST)
Subject: [BangPypers] (no subject)
Message-ID: <799309.50896.qm@web94608.mail.in2.yahoo.com>

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From heshan.suri at gmail.com  Wed Apr 23 12:33:04 2008
From: heshan.suri at gmail.com (Heshan Suriyaarachchi)
Date: Wed, 23 Apr 2008 16:03:04 +0530
Subject: [BangPypers] Executing a string
Message-ID: <12e5d0d90804230333i19b1c9cdm584b6c73af5a98fb@mail.gmail.com>

 Hi,
If I execute the following code I will get the the output as 2. What I need
is to execute the string str. Is there a way that I can execute the string
str as it is, so I will get the output as 5.



def add(a,b):
return a+b

var = 2
str = "var = add(2,3)"
# execute the code snippet inside the str string variable
print var

-- 
Regards,
Heshan Suriyaarachchi
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From raj.amal at gmail.com  Wed Apr 23 12:39:31 2008
From: raj.amal at gmail.com (Amal)
Date: Wed, 23 Apr 2008 16:09:31 +0530
Subject: [BangPypers] Executing a string
In-Reply-To: <12e5d0d90804230333i19b1c9cdm584b6c73af5a98fb@mail.gmail.com>
References: <12e5d0d90804230333i19b1c9cdm584b6c73af5a98fb@mail.gmail.com>
Message-ID: <3bfbb0bb0804230339p26cecde8s7a0d5a4d514e0630@mail.gmail.com>

Try the Exec statement of python.

Amal.

On Wed, Apr 23, 2008 at 4:03 PM, Heshan Suriyaarachchi <
heshan.suri at gmail.com> wrote:

> Hi,
> If I execute the following code I will get the the output as 2. What I
> need is to execute the string str. Is there a way that I can execute the
> string str as it is, so I will get the output as 5.
>
>
>
> def add(a,b):
> return a+b
>
> var = 2
> str = "var = add(2,3)"
> # execute the code snippet inside the str string variable
> print var
>
> --
> Regards,
> Heshan Suriyaarachchi
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
>


-- 
Amal
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From anandology at gmail.com  Wed Apr 23 13:38:12 2008
From: anandology at gmail.com (Anand Chitipothu)
Date: Wed, 23 Apr 2008 17:08:12 +0530
Subject: [BangPypers] Executing a string
In-Reply-To: <12e5d0d90804230333i19b1c9cdm584b6c73af5a98fb@mail.gmail.com>
References: <12e5d0d90804230333i19b1c9cdm584b6c73af5a98fb@mail.gmail.com>
Message-ID: <41139fcb0804230438j350f30fby8377107858f8e0f9@mail.gmail.com>

>>> a = 1
>>> exec('a = 3')
>>> a
3

From hussainbohra_30 at yahoo.com  Fri Apr 25 05:52:08 2008
From: hussainbohra_30 at yahoo.com (Hussain Bohra)
Date: Thu, 24 Apr 2008 20:52:08 -0700 (PDT)
Subject: [BangPypers] [HELP] Connectivity of Python with Oracle in Linux
Message-ID: <667100.42110.qm@web52510.mail.re2.yahoo.com>

Hi All,

We have a Oracle 10g Server in Linux, And we are using a Python 2.2.2 (i.e. also in Linux). We are trying to connect with Oracle using 'cx_Oracle'. The Environment  Variable we have set in the Oracle Machine is : 

'export ORACLE_HOME=/home/oracle/oracle/product/10.2.0/db_1' (in .bashrc)

In Python Machine we have added the entry of created database (in Oracle) in /etc/tnsnames.ora

Now we are trying to connect like : 

import cx_Oracle
cx_Oracle.connect('username/password at db_name')

But Everytime getting an error : 

'cx_Oracle.DatabaseError: ORA-12537: TNS Connection closed'

We have tried to find the same in the google but we are unable to solve by the solutions provided there.

Can any one suggest what is the problem.

Regards,
Hussain Bohra

       
---------------------------------
Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  Try it now.
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From rmanocha at gmail.com  Fri Apr 25 06:18:32 2008
From: rmanocha at gmail.com (Rishabh Manocha)
Date: Fri, 25 Apr 2008 09:48:32 +0530
Subject: [BangPypers] [HELP] Connectivity of Python with Oracle in Linux
In-Reply-To: <667100.42110.qm@web52510.mail.re2.yahoo.com>
References: <667100.42110.qm@web52510.mail.re2.yahoo.com>
Message-ID: <C7ED46E9-7293-499A-9282-02267831369C@gmail.com>

I'm not very familiar with Oracle but a quick search on google for  
ORA-12537 turned up http://forums.oracle.com/forums/thread.jspa?messageID=1275528 
. Maybe it'll help

Best,

R
On 25-Apr-08, at 9:22 AM, Hussain Bohra wrote:

> Hi All,
>
> We have a Oracle 10g Server in Linux, And we are using a Python  
> 2.2.2 (i.e. also in Linux). We are trying to connect with Oracle  
> using 'cx_Oracle'. The Environment  Variable we have set in the  
> Oracle Machine is :
>
> 'export ORACLE_HOME=/home/oracle/oracle/product/10.2.0/ 
> db_1' (in .bashrc)
>
> In Python Machine we have added the entry of created database (in  
> Oracle) in /etc/tnsnames.ora
>
> Now we are trying to connect like :
>
> import cx_Oracle
> cx_Oracle.connect('username/password at db_name')
>
> But Everytime getting an error :
>
> 'cx_Oracle.DatabaseError: ORA-12537: TNS Connection closed'
>
> We have tried to find the same in the google but we are unable to  
> solve by the solutions provided there.
>
> Can any one suggest what is the problem.
>
> Regards,
> Hussain Bohra
>
> Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  
> Try it now._______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers

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From shivraj.ms at gmail.com  Fri Apr 25 07:17:21 2008
From: shivraj.ms at gmail.com (Shivaraj M S)
Date: Thu, 24 Apr 2008 22:17:21 -0700 (PDT)
Subject: [BangPypers] [HELP] Connectivity of Python with Oracle in Linux
In-Reply-To: <C7ED46E9-7293-499A-9282-02267831369C@gmail.com>
References: <667100.42110.qm@web52510.mail.re2.yahoo.com>
	<C7ED46E9-7293-499A-9282-02267831369C@gmail.com>
Message-ID: <16890703.post@talk.nabble.com>


Are you trying to connect to remote machine? (Try adding prefix IP to point
to remote oracle machine)

Some debugging steps which I can think of if both were on same machine.

tnsping <INSTANCE_NAME>
set ORACLE_SID
Log in through sqlplus 

Regards
___________
Shivaraj


Rishabh Manocha wrote:
> 
> I'm not very familiar with Oracle but a quick search on google for  
> ORA-12537 turned up
> http://forums.oracle.com/forums/thread.jspa?messageID=1275528 
> . Maybe it'll help
> 
> Best,
> 
> R
> On 25-Apr-08, at 9:22 AM, Hussain Bohra wrote:
> 
>> Hi All,
>>
>> We have a Oracle 10g Server in Linux, And we are using a Python  
>> 2.2.2 (i.e. also in Linux). We are trying to connect with Oracle  
>> using 'cx_Oracle'. The Environment  Variable we have set in the  
>> Oracle Machine is :
>>
>> 'export ORACLE_HOME=/home/oracle/oracle/product/10.2.0/ 
>> db_1' (in .bashrc)
>>
>> In Python Machine we have added the entry of created database (in  
>> Oracle) in /etc/tnsnames.ora
>>
>> Now we are trying to connect like :
>>
>> import cx_Oracle
>> cx_Oracle.connect('username/password at db_name')
>>
>> But Everytime getting an error :
>>
>> 'cx_Oracle.DatabaseError: ORA-12537: TNS Connection closed'
>>
>> We have tried to find the same in the google but we are unable to  
>> solve by the solutions provided there.
>>
>> Can any one suggest what is the problem.
>>
>> Regards,
>> Hussain Bohra
>>
>> Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  
>> Try it now._______________________________________________
>> BangPypers mailing list
>> BangPypers at python.org
>> http://mail.python.org/mailman/listinfo/bangpypers
> 
> 
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
> 
> 

-- 
View this message in context: http://www.nabble.com/-HELP--Connectivity-of-Python-with-Oracle-in-Linux-tp16890308p16890703.html
Sent from the BangPypers - Bangalore Python Users Group mailing list archive at Nabble.com.


From ramkrsna at gmail.com  Fri Apr 25 08:05:24 2008
From: ramkrsna at gmail.com (Ramakrishna Reddy)
Date: Fri, 25 Apr 2008 11:35:24 +0530
Subject: [BangPypers] Python Stickers
Message-ID: <def7ddf20804242305m60ee5efaw901bd58694b44b32@mail.gmail.com>

Hi Folks

I have some Python Laptop Stickers, which i got from PSF from PyCon
Chicago, need to send them to Bangalore. I'm right now in Pune.
Anybody volunteering to accept the package and distribute to fellow
bangpypers in the next meet up.Contact me with their Snail Mail off
list

regards
-- 
Ramakrishna Reddy GPG Key ID:31FF0090
Fingerprint = 18D7 3FC1 784B B57F C08F 32B9 4496 B2A1 31FF 0090

From hussainbohra_30 at yahoo.com  Fri Apr 25 15:05:04 2008
From: hussainbohra_30 at yahoo.com (Hussain Bohra)
Date: Fri, 25 Apr 2008 06:05:04 -0700 (PDT)
Subject: [BangPypers] [HELP] Connectivity of Python with Oracle in Linux
In-Reply-To: <16890703.post@talk.nabble.com>
Message-ID: <586457.36725.qm@web52510.mail.re2.yahoo.com>

Hi All,

Thankx for your feedbacks.
We are able to solve the problem. The problem actually is the 'lsnrctl service' was not running in the $ORACLE_HOME/bin directory

the only thing to do is './$ORACLE_HOME/bin/lsnrctl start'

Regards,
Hussain Bohra

Shivaraj M S <shivraj.ms at gmail.com> wrote: 
Are you trying to connect to remote machine? (Try adding prefix IP to point
to remote oracle machine)

Some debugging steps which I can think of if both were on same machine.

tnsping 
set ORACLE_SID
Log in through sqlplus 

Regards
___________
Shivaraj


Rishabh Manocha wrote:
> 
> I'm not very familiar with Oracle but a quick search on google for  
> ORA-12537 turned up
> http://forums.oracle.com/forums/thread.jspa?messageID=1275528 
> . Maybe it'll help
> 
> Best,
> 
> R
> On 25-Apr-08, at 9:22 AM, Hussain Bohra wrote:
> 
>> Hi All,
>>
>> We have a Oracle 10g Server in Linux, And we are using a Python  
>> 2.2.2 (i.e. also in Linux). We are trying to connect with Oracle  
>> using 'cx_Oracle'. The Environment  Variable we have set in the  
>> Oracle Machine is :
>>
>> 'export ORACLE_HOME=/home/oracle/oracle/product/10.2.0/ 
>> db_1' (in .bashrc)
>>
>> In Python Machine we have added the entry of created database (in  
>> Oracle) in /etc/tnsnames.ora
>>
>> Now we are trying to connect like :
>>
>> import cx_Oracle
>> cx_Oracle.connect('username/password at db_name')
>>
>> But Everytime getting an error :
>>
>> 'cx_Oracle.DatabaseError: ORA-12537: TNS Connection closed'
>>
>> We have tried to find the same in the google but we are unable to  
>> solve by the solutions provided there.
>>
>> Can any one suggest what is the problem.
>>
>> Regards,
>> Hussain Bohra
>>
>> Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  
>> Try it now._______________________________________________
>> BangPypers mailing list
>> BangPypers at python.org
>> http://mail.python.org/mailman/listinfo/bangpypers
> 
> 
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
> 
> 

-- 
View this message in context: http://www.nabble.com/-HELP--Connectivity-of-Python-with-Oracle-in-Linux-tp16890308p16890703.html
Sent from the BangPypers - Bangalore Python Users Group mailing list archive at Nabble.com.

_______________________________________________
BangPypers mailing list
BangPypers at python.org
http://mail.python.org/mailman/listinfo/bangpypers



 Thanks and Regards,
Hussain Bohra

HSBSoft Technologies,
Bangalore-52
mail-to:hussain.bohra at hsbsoft.com
mobile : +91 99867 95727


       
---------------------------------
Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  Try it now.
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From ramdas at developeriq.com  Fri Apr 25 15:39:37 2008
From: ramdas at developeriq.com (Ramdas S)
Date: Fri, 25 Apr 2008 19:09:37 +0530
Subject: [BangPypers] Python Stickers
In-Reply-To: <def7ddf20804242305m60ee5efaw901bd58694b44b32@mail.gmail.com>
References: <def7ddf20804242305m60ee5efaw901bd58694b44b32@mail.gmail.com>
Message-ID: <6e38f9f00804250639pc5f6b89y17fc1eb66911a997@mail.gmail.com>

Send it me.

Ramdas S

*DIQ Technologies & Consultants,
#7, 1st Floor, 7th cross,
Lakshmi Road, Shanthi Nagar,
Bangalore- 560 027,
Karnataka,
India. *

*Phone: +9180 4173 8665
Mobile: +919342 122355
Fax: +9180 2207 5212 *


Ramdas S


On Fri, Apr 25, 2008 at 11:35 AM, Ramakrishna Reddy <ramkrsna at gmail.com>
wrote:

> Hi Folks
>
> I have some Python Laptop Stickers, which i got from PSF from PyCon
> Chicago, need to send them to Bangalore. I'm right now in Pune.
> Anybody volunteering to accept the package and distribute to fellow
> bangpypers in the next meet up.Contact me with their Snail Mail off
> list
>
> regards
> --
> Ramakrishna Reddy GPG Key ID:31FF0090
> Fingerprint = 18D7 3FC1 784B B57F C08F 32B9 4496 B2A1 31FF 0090
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
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From pintooo15 at gmail.com  Fri Apr 25 16:12:37 2008
From: pintooo15 at gmail.com (Diabolic Preacher)
Date: Fri, 25 Apr 2008 09:12:37 -0500
Subject: [BangPypers] [HELP] Connectivity of Python with Oracle in Linux
In-Reply-To: <586457.36725.qm@web52510.mail.re2.yahoo.com>
References: <16890703.post@talk.nabble.com>
	<586457.36725.qm@web52510.mail.re2.yahoo.com>
Message-ID: <cf2417c50804250712h59518d18x2b78c1f08a01d4b6@mail.gmail.com>

Thank you for sharing the solution :)

On 4/25/08, Hussain Bohra <hussainbohra_30 at yahoo.com> wrote:
> Hi All,
>
> Thankx for your feedbacks.
> We are able to solve the problem. The problem actually is the 'lsnrctl
> service' was not running in the $ORACLE_HOME/bin directory
>
> the only thing to do is './$ORACLE_HOME/bin/lsnrctl start'
>
> Regards,
> Hussain Bohra
>
> Shivaraj M S <shivraj.ms at gmail.com> wrote:
> Are you trying to connect to remote machine? (Try adding prefix IP to point
> to remote oracle machine)
>
> Some debugging steps which I can think of if both were on same machine.
>
> tnsping
> set ORACLE_SID
> Log in through sqlplus
>
> Regards
> ___________
> Shivaraj
>
>
> Rishabh Manocha wrote:
> >
> > I'm not very familiar with Oracle but a quick search on google for
> > ORA-12537 turned up
> > http://forums.oracle.com/forums/thread.jspa?messageID=1275528
> > . Maybe it'll help
> >
> > Best,
> >
> > R
> > On 25-Apr-08, at 9:22 AM, Hussain Bohra wrote:
> >
> >> Hi All,
> >>
> >> We have a Oracle 10g Server in Linux, And we are using a Python
> >> 2.2.2 (i.e. also in Linux). We are trying to connect with Oracle
> >> using 'cx_Oracle'. The Environment  Variable we have set in the
> >> Oracle Machine is :
> >>
> >> 'export ORACLE_HOME=/home/oracle/oracle/product/10.2.0/
> >> db_1' (in .bashrc)
> >>
> >> In Python Machine we have added the entry of created database (in
> >> Oracle) in /etc/tnsnames.ora
> >>
> >> Now we are trying to connect like :
> >>
> >> import cx_Oracle
> >> cx_Oracle.connect('username/password at db_name')
> >>
> >> But Everytime getting an error :
> >>
> >> 'cx_Oracle.DatabaseError: ORA-12537: TNS Connection closed'
> >>
> >> We have tried to find the same in the google but we are unable to
> >> solve by the solutions provided there.
> >>
> >> Can any one suggest what is the problem.
> >>
> >> Regards,
> >> Hussain Bohra
> >>
> >> Be a better friend, newshound, and know-it-all with Yahoo! Mobile.
> >> Try it now._______________________________________________
> >> BangPypers mailing list
> >> BangPypers at python.org
> >> http://mail.python.org/mailman/listinfo/bangpypers
> >
> >
> > _______________________________________________
> > BangPypers mailing list
> > BangPypers at python.org
> > http://mail.python.org/mailman/listinfo/bangpypers
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/-HELP--Connectivity-of-Python-with-Oracle-in-Linux-tp16890308p16890703.html
> Sent from the BangPypers - Bangalore Python Users Group mailing list archive
> at Nabble.com.
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
>
>
>  Thanks and Regards,
> Hussain Bohra
>
> HSBSoft Technologies,
> Bangalore-52
> mail-to:hussain.bohra at hsbsoft.com
> mobile : +91 99867 95727
>
>
>
> ---------------------------------
> Be a better friend, newshound, and know-it-all with Yahoo! Mobile.  Try it
> now.


-- 
Diabolic Preacher
As Is
Blog: http://pintooo15.livejournal.com/
Bookmarks: http://simpy.com/user/dpreacher
-----BEGIN GEEK CODE BLOCK-----
Version: 3.1
GCS/IT d+(-) s+:+ a22 C++@ UL@ P L+(++) E- W++ !N o? K>++ w(-) !O M-(--)
!V PS+ PE++ Y+ PGP t- 5? X>+ R- tv@ b-(+) DI+ D+ G++ e++ h-- !r y-
------END GEEK CODE BLOCK------

From orsenthil at gmail.com  Sun Apr 27 14:05:36 2008
From: orsenthil at gmail.com (O.R.Senthil Kumaran)
Date: Sun, 27 Apr 2008 17:35:36 +0530
Subject: [BangPypers] Python Stickers - Regarding PyCon Experience
In-Reply-To: <def7ddf20804242305m60ee5efaw901bd58694b44b32@mail.gmail.com>
References: <def7ddf20804242305m60ee5efaw901bd58694b44b32@mail.gmail.com>
Message-ID: <20080427120536.GA3522@gmail.com>

* Ramakrishna Reddy <ramkrsna at gmail.com> 
> Hi Folks
> 
> I have some Python Laptop Stickers, which i got from PSF from PyCon
> Chicago, need to send them to Bangalore. I'm right now in Pune.

We would also like to know your experience of attending the PyCon.
Would you like to share it with the group or have you blogged about it
anywhere? Did you present any topic or tutorial? Met Guido, Greg Stein and
other folks?

-- 
O.R.Senthil Kumaran
http://uthcode.sarovar.org

From sambasivareddy.s at patni.com  Mon Apr 28 09:04:55 2008
From: sambasivareddy.s at patni.com (sambasivareddy)
Date: Mon, 28 Apr 2008 12:34:55 +0530
Subject: [BangPypers] How can I read an excel sheet using python ?
Message-ID: <000001c8a8fe$2a3b0650$750ba8c0@patni.com>

Hi all,

 

Need help on "How can I read an excel sheet using python"?

If any one have any example please send to me. Thanks in advance.

 

Thanks and Regards,

Sambasivareddy.S

 

 


http://www.patni.com
World-Wide Partnerships. World-Class Solutions.
_____________________________________________________________________

This e-mail message may contain proprietary, confidential or legally
privileged information for the sole use of the person or entity to
whom this message was originally addressed. Any review, e-transmission
dissemination or other use of or taking of any action in reliance upon
this information by persons or entities other than the intended
recipient is prohibited. If you have received this e-mail in error
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From banibrata.dutta at gmail.com  Mon Apr 28 10:50:17 2008
From: banibrata.dutta at gmail.com (Banibrata Dutta)
Date: Mon, 28 Apr 2008 14:20:17 +0530
Subject: [BangPypers] How can I read an excel sheet using python ?
In-Reply-To: <000001c8a8fe$2a3b0650$750ba8c0@patni.com>
References: <000001c8a8fe$2a3b0650$750ba8c0@patni.com>
Message-ID: <3de8e1f70804280150o7eaf8e77sdd8007de85c5f20f@mail.gmail.com>

Did you try to "google" ?? Plz try it... throws up lots of useful answers.

http://mail.python.org/pipermail/python-list/2003-July/214704.html


On 4/28/08, sambasivareddy <sambasivareddy.s at patni.com> wrote:
>
>
>
> Hi all,
>
>
>
> Need help on "How can I read an excel sheet using python"?
>
> If any one have any example please send to me. Thanks in advance.
>
>
>
>
> Thanks and Regards,
>
> Sambasivareddy.S
>
>
>
>
> http://www.patni.com
> World-Wide Partnerships. World-Class Solutions.
> _____________________________________________________________________
>
> This e-mail message may contain proprietary, confidential or legally
> privileged information for the sole use of the person or entity to whom this
> message was originally addressed. Any review, e-transmission dissemination
> or other use of or taking of any action in reliance upon this information by
> persons or entities other than the intended recipient is prohibited. If you
> have received this e-mail in error kindly delete this e-mail from your
> records. If it appears that this mail has been forwarded to you without
> proper authority, please notify us immediately at netadmin at patni.com and
> delete this mail.
> _____________________________________________________________________
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
>


-- 
regards,
Banibrata
http://www.linkedin.com/in/bdutta

From kartheekpn at yahoo.co.in  Mon Apr 28 12:13:34 2008
From: kartheekpn at yahoo.co.in (KartheeK)
Date: Mon, 28 Apr 2008 11:13:34 +0100 (BST)
Subject: [BangPypers] How can I read an excel sheet using python ?
In-Reply-To: <000001c8a8fe$2a3b0650$750ba8c0@patni.com>
Message-ID: <434410.48055.qm@web8501.mail.in.yahoo.com>

Hi,

Why dont u export it to a ,txt file and then read it as a normal file..

KartheeK

sambasivareddy <sambasivareddy.s at patni.com> wrote:              Hi all,
   
  Need help on ?How can I read an excel sheet using python??
  If any one have any example please send to me. Thanks in advance.
   
    Thanks and Regards,
  Sambasivareddy.S
  
   
   
  
  
http://www.patni.com
 World-Wide Partnerships. World-Class Solutions. 
 _____________________________________________________________________ 
 
 This e-mail message may contain proprietary, confidential or legally privileged information for the sole use of the person or entity to whom this message was originally addressed. Any review, e-transmission dissemination or other use of or taking of any action in reliance upon this information by persons or entities other than the intended recipient is prohibited. If you have received this e-mail in error kindly delete  this e-mail from your records. If it appears that this mail has been forwarded to you without proper authority, please notify us immediately at netadmin at patni.com and delete this mail. 
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From abpillai at gmail.com  Mon Apr 28 12:20:15 2008
From: abpillai at gmail.com (Anand Balachandran Pillai)
Date: Mon, 28 Apr 2008 15:50:15 +0530
Subject: [BangPypers] How can I read an excel sheet using python ?
In-Reply-To: <434410.48055.qm@web8501.mail.in.yahoo.com>
References: <000001c8a8fe$2a3b0650$750ba8c0@patni.com>
	<434410.48055.qm@web8501.mail.in.yahoo.com>
Message-ID: <8548c5f30804280320r39c08c9as3b88b1d884c4b85c@mail.gmail.com>

http://snippets.dzone.com/posts/show/2036

You need pywin32 for this.

Why not google stuff yourself before posting to the list ? Saves everyones time.

--Anand

On Mon, Apr 28, 2008 at 3:43 PM, KartheeK <kartheekpn at yahoo.co.in> wrote:
> Hi,
>
> Why dont u export it to a ,txt file and then read it as a normal file..
>
> KartheeK
>
>
> sambasivareddy <sambasivareddy.s at patni.com> wrote:
>
>
>
> Hi all,
>
> Need help on "How can I read an excel sheet using python"?
> If any one have any example please send to me. Thanks in advance.
>
>
> Thanks and Regards,
> Sambasivareddy.S
>
>
> http://www.patni.com
>  World-Wide Partnerships. World-Class Solutions.
>  _____________________________________________________________________
>
>  This e-mail message may contain proprietary, confidential or legally
> privileged information for the sole use of the person or entity to whom this
> message was originally addressed. Any review, e-transmission dissemination
> or other use of or taking of any action in reliance upon this information by
> persons or entities other than the intended recipient is prohibited. If you
> have received this e-mail in error kindly delete this e-mail from your
> records. If it appears that this mail has been forwarded to you without
> proper authority, please notify us immediately at netadmin at patni.com and
> delete this mail.
>  _____________________________________________________________________
> _______________________________________________
>
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
>
> _______________________________________________
>  BangPypers mailing list
>  BangPypers at python.org
>  http://mail.python.org/mailman/listinfo/bangpypers
>
>



-- 
-Anand

From maxin_john at yahoo.co.uk  Mon Apr 28 12:29:07 2008
From: maxin_john at yahoo.co.uk (Maxin B John)
Date: Mon, 28 Apr 2008 11:29:07 +0100 (BST)
Subject: [BangPypers] How can I read an excel sheet using python ?
In-Reply-To: <mailman.59.1209376823.6856.bangpypers@python.org>
Message-ID: <91803.62659.qm@web26611.mail.ukl.yahoo.com>

  Dear  Sambasivareddy,
  Hi all,



Need help on "How can I read an excel sheet using python"?

  Try the xlrd module (http://pypi.python.org/pypi/xlrd/0.5.2).
   
   
  
If any one have any example please send to me. Thanks in advance.

Example is available in that module itself. 

Thanks and Regards,

Sambasivareddy.S

Regards,
   
  Maxin B John
  Kerala


       
---------------------------------
Sent from Yahoo! Mail.
A Smarter Email.
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From srinivas_puvvala at yahoo.co.in  Wed Apr 30 13:48:57 2008
From: srinivas_puvvala at yahoo.co.in (srinivasarao puvvala)
Date: Wed, 30 Apr 2008 17:18:57 +0530 (IST)
Subject: [BangPypers] BangPypers Digest, Vol 8, Issue 15
In-Reply-To: <mailman.63.1209463219.1430.bangpypers@python.org>
Message-ID: <543351.43912.qm@web94611.mail.in2.yahoo.com>

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From gates.plusplus at gmail.com  Wed Apr 30 15:54:08 2008
From: gates.plusplus at gmail.com (Rohan Sharma)
Date: Wed, 30 Apr 2008 19:24:08 +0530
Subject: [BangPypers] BangPypers Digest, Vol 8, Issue 15
In-Reply-To: <543351.43912.qm@web94611.mail.in2.yahoo.com>
References: <mailman.63.1209463219.1430.bangpypers@python.org>
	<543351.43912.qm@web94611.mail.in2.yahoo.com>
Message-ID: <7dd811cb0804300654ofa25beay858872dfde4fa8f6@mail.gmail.com>

I'm not sure what the problem is. Could you show the snippets you are
referring to?

An else-if ladder looks like this:

x = int(raw_input())
if x < 0:
	print "Negative"
elif x == 0:
	print "Zero"
else:
	print "Positive"

Be careful: do not mix tabs and spaces in a code block; I suggest
using tabs exclusively.

On Wed, Apr 30, 2008 at 5:18 PM, srinivasarao puvvala
<srinivas_puvvala at yahoo.co.in> wrote:
>
> hi,
> i have recently started learning python programming.
> i got confused with "identation" problems.
> when ever i write if else if statements and try excute those i got errors like
> "unexcpected indent" "syntax error".
> i have tried diffrent example provided by the python tutorial.
> but i cann't slove that problem.
> pls any body help me to give the proper idea on "identation" and give me code of if else if statements which will definatley excute if i copy the code.
> pls help me .
>
>
> --- On Tue, 29/4/08, bangpypers-request at python.org <bangpypers-request at python.org> wrote:
>
> From: bangpypers-request at python.org <bangpypers-request at python.org>
> Subject: BangPypers Digest, Vol 8, Issue 15
> To: bangpypers at python.org
> Date: Tuesday, 29 April, 2008, 3:30 PM
>
> Send BangPypers mailing list submissions to
> 	bangpypers at python.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
> 	http://mail.python.org/mailman/listinfo/bangpypers
> or, via email, send a message with subject or body 'help' to
> 	bangpypers-request at python.org
>
> You can reach the person managing the list at
> 	bangpypers-owner at python.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of BangPypers digest..."
>
>
> Today's Topics:
>
>    1. Re: How can I read an excel sheet using python ? (KartheeK)
>    2. Re: How can I read an excel sheet using python ?
>       (Anand Balachandran Pillai)
>    3. Re: How can I read an excel sheet using python ? (Maxin B John)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 28 Apr 2008 11:13:34 +0100 (BST)
> From:
>  KartheeK <kartheekpn at yahoo.co.in>
> Subject: Re: [BangPypers] How can I read an excel sheet using python ?
> To: bangpypers at python.org
> Message-ID: <434410.48055.qm at web8501.mail.in.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi,
>
> Why dont u export it to a ,txt file and then read it as a normal file..
>
> KartheeK
>
> sambasivareddy <sambasivareddy.s at patni.com> wrote:              Hi all,
>
>   Need help on ?How can I read an excel sheet using python??
>   If any one have any example please send to me. Thanks in advance.
>
>     Thanks and Regards,
>   Sambasivareddy.S
>
>
>
>
>
> http://www.patni.com
>  World-Wide Partnerships. World-Class Solutions.
>  _____________________________________________________________________
>
>  This e-mail message may contain proprietary, confidential or legally
> privileged information for the sole use of the person
>  or entity to whom this
> message was originally addressed. Any review, e-transmission dissemination or
> other use of or taking of any action in reliance upon this information by
> persons or entities other than the intended recipient is prohibited. If you
> have received this e-mail in error kindly delete  this e-mail from your
> records. If it appears that this mail has been forwarded to you without proper
> authority, please notify us immediately at netadmin at patni.com and delete this
> mail.
>  _____________________________________________________________________
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
> -------------- next part --------------
> An HTML attachment was
>  scrubbed...
> URL:
> <http://mail.python.org/pipermail/bangpypers/attachments/20080428/e72362aa/attachment-0001.htm>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 28 Apr 2008 15:50:15 +0530
> From: "Anand Balachandran Pillai" <abpillai at gmail.com>
> Subject: Re: [BangPypers] How can I read an excel sheet using python ?
> To: "Bangalore Python Users Group - India"
> <bangpypers at python.org>
> Message-ID:
> 	<8548c5f30804280320r39c08c9as3b88b1d884c4b85c at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> http://snippets.dzone.com/posts/show/2036
>
> You need pywin32 for this.
>
> Why not google stuff yourself before posting to the list ? Saves everyones
> time.
>
> --Anand
>
> On Mon, Apr 28, 2008 at 3:43 PM, KartheeK <kartheekpn at yahoo.co.in> wrote:
> > Hi,
> >
> > Why dont u export it to a ,txt file and then read it as a normal file..
> >
> >
>  KartheeK
> >
> >
> > sambasivareddy <sambasivareddy.s at patni..com> wrote:
> >
> >
> >
> > Hi all,
> >
> > Need help on "How can I read an excel sheet using python"?
> > If any one have any example please send to me. Thanks in advance.
> >
> >
> > Thanks and Regards,
> > Sambasivareddy.S
> >
> >
> > http://www.patni.com
> >  World-Wide Partnerships. World-Class Solutions.
> >  _____________________________________________________________________
> >
> >  This e-mail message may contain proprietary, confidential or legally
> > privileged information for the sole use of the person or entity to whom
> this
> > message was originally addressed. Any review, e-transmission dissemination
> > or other use of or taking of any action in reliance upon this information
> by
> > persons or entities other than the intended recipient is prohibited.
>  If
> you
> > have received this e-mail in error kindly delete this e-mail from your
> > records. If it appears that this mail has been forwarded to you without
> > proper authority, please notify us immediately at netadmin at patni.com and
> > delete this mail.
> >  _____________________________________________________________________
> > _______________________________________________
> >
> > BangPypers mailing list
> > BangPypers at python.org
> > http://mail.python.org/mailman/listinfo/bangpypers
> >
> >
> > _______________________________________________
> >  BangPypers mailing list
> >  BangPypers at python.org
> >  http://mail.python.org/mailman/listinfo/bangpypers
> >
> >
>
>
>
> --
> -Anand
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 28 Apr 2008 11:29:07 +0100 (BST)
> From: Maxin B John <maxin_john at yahoo.co.uk>
> Subject: Re:
>  [BangPypers] How can I read an excel sheet using python ?
> To: bangpypers at python.org
> Message-ID: <91803.62659.qm at web26611.mail.ukl.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
>   Dear  Sambasivareddy,
>   Hi all,
>
>
>
> Need help on "How can I read an excel sheet using python"?
>
>   Try the xlrd module (http://pypi.python.org/pypi/xlrd/0.5.2).
>
>
>
> If any one have any example please send to me. Thanks in advance.
>
> Example is available in that module itself.
>
> Thanks and Regards,
>
> Sambasivareddy.S
>
> Regards,
>
>   Maxin B John
>   Kerala
>
>
>
> ---------------------------------
> Sent from Yahoo! Mail.
> A Smarter Email.
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> An HTML attachment was
>  scrubbed...
> URL:
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>
> ------------------------------
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>
>
> End of BangPypers Digest, Vol 8, Issue 15
> *****************************************
>
> ________________________________
> Get the freedom to save as many mails as you wish. Click here to know how.
> _______________________________________________
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From gnuyoga at gmail.com  Wed Apr 30 16:07:46 2008
From: gnuyoga at gmail.com (gnuyoga)
Date: Wed, 30 Apr 2008 19:37:46 +0530
Subject: [BangPypers] How can I read an excel sheet using python ?
In-Reply-To: <000001c8a8fe$2a3b0650$750ba8c0@patni.com>
References: <000001c8a8fe$2a3b0650$750ba8c0@patni.com>
Message-ID: <48187D32.8070505@gmail.com>

if u have java then u can use apache-poi using jython

http://poi.apache.org/


- sree
sambasivareddy wrote:
>
> Hi all,
>
> Need help on ?How can I read an excel sheet using python??
>
> If any one have any example please send to me. Thanks in advance.
>
> **Thanks and Regards****,**
>
> **Sambasivareddy.S**
>
> ** **
>
>
> http://www.patni.com
> World-Wide Partnerships. World-Class Solutions.
> _____________________________________________________________________
>
> This e-mail message may contain proprietary, confidential or legally 
> privileged information for the sole use of the person or entity to 
> whom this message was originally addressed. Any review, e-transmission 
> dissemination or other use of or taking of any action in reliance upon 
> this information by persons or entities other than the intended 
> recipient is prohibited. If you have received this e-mail in error 
> kindly delete this e-mail from your records. If it appears that this 
> mail has been forwarded to you without proper authority, please notify 
> us immediately at netadmin at patni.com and delete this mail.
> _____________________________________________________________________
> ------------------------------------------------------------------------
>
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers
>   


-- 
http://picasaweb.google.com/gnuyoga

Each soul is potentially divine. The goal is to manifest the divine by controlling nature, internal or external. Do this by work or worship or psychic control or philosophy by one or more, or all of these and be free.


From banibrata.dutta at gmail.com  Wed Apr 30 16:31:43 2008
From: banibrata.dutta at gmail.com (Banibrata Dutta)
Date: Wed, 30 Apr 2008 20:01:43 +0530
Subject: [BangPypers] BangPypers Digest, Vol 8, Issue 15
In-Reply-To: <7dd811cb0804300654ofa25beay858872dfde4fa8f6@mail.gmail.com>
References: <mailman.63.1209463219.1430.bangpypers@python.org>
	<543351.43912.qm@web94611.mail.in2.yahoo.com>
	<7dd811cb0804300654ofa25beay858872dfde4fa8f6@mail.gmail.com>
Message-ID: <3de8e1f70804300731s267ce67eic5e9c3a97fdbacb6@mail.gmail.com>

As Rohan mentions...
"Be careful: do not mix tabs and spaces in a code block;"

It is one of the first pitfalls a Python newbie comes-accross, if you
do not use a good Python source editor / IDE.

There are some file editors that do automatic indentation by "tab"
insertion while writing code, but when you go back to edit that line,
it seems to insert spaces.

On 4/30/08, Rohan Sharma <gates.plusplus at gmail.com> wrote:
> I'm not sure what the problem is. Could you show the snippets you are
> referring to?
>
> An else-if ladder looks like this:
>
> x = int(raw_input())
> if x < 0:
>        print "Negative"
> elif x == 0:
>        print "Zero"
> else:
>        print "Positive"
>
> Be careful: do not mix tabs and spaces in a code block; I suggest
> using tabs exclusively.
>
> On Wed, Apr 30, 2008 at 5:18 PM, srinivasarao puvvala
> <srinivas_puvvala at yahoo.co.in> wrote:
> >
> > hi,
> > i have recently started learning python programming.
> > i got confused with "identation" problems.
> > when ever i write if else if statements and try excute those i got errors like
> > "unexcpected indent" "syntax error".
> > i have tried diffrent example provided by the python tutorial.
> > but i cann't slove that problem.
> > pls any body help me to give the proper idea on "identation" and give me code of if else if statements which will definatley excute if i copy the code.
> > pls help me .
> >
> >
> > --- On Tue, 29/4/08, bangpypers-request at python.org <bangpypers-request at python.org> wrote:
> >
> > From: bangpypers-request at python.org <bangpypers-request at python.org>
> > Subject: BangPypers Digest, Vol 8, Issue 15
> > To: bangpypers at python.org
> > Date: Tuesday, 29 April, 2008, 3:30 PM
> >
> > Send BangPypers mailing list submissions to
> >       bangpypers at python.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >       http://mail.python.org/mailman/listinfo/bangpypers
> > or, via email, send a message with subject or body 'help' to
> >       bangpypers-request at python.org
> >
> > You can reach the person managing the list at
> >       bangpypers-owner at python.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of BangPypers digest..."
> >
> >
> > Today's Topics:
> >
> >    1. Re: How can I read an excel sheet using python ? (KartheeK)
> >    2. Re: How can I read an excel sheet using python ?
> >       (Anand Balachandran Pillai)
> >    3. Re: How can I read an excel sheet using python ? (Maxin B John)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 28 Apr 2008 11:13:34 +0100 (BST)
> > From:
> >  KartheeK <kartheekpn at yahoo.co.in>
> > Subject: Re: [BangPypers] How can I read an excel sheet using python ?
> > To: bangpypers at python.org
> > Message-ID: <434410.48055.qm at web8501.mail.in.yahoo.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Hi,
> >
> > Why dont u export it to a ,txt file and then read it as a normal file..
> >
> > KartheeK
> >
> > sambasivareddy <sambasivareddy.s at patni.com> wrote:              Hi all,
> >
> >   Need help on ?How can I read an excel sheet using python??
> >   If any one have any example please send to me. Thanks in advance.
> >
> >     Thanks and Regards,
> >   Sambasivareddy.S
> >
> >
> >
> >
> >
> > http://www.patni.com
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> >
> > ------------------------------
> >
> > Message: 2
> > Date: Mon, 28 Apr 2008 15:50:15 +0530
> > From: "Anand Balachandran Pillai" <abpillai at gmail.com>
> > Subject: Re: [BangPypers] How can I read an excel sheet using python ?
> > To: "Bangalore Python Users Group - India"
> > <bangpypers at python.org>
> > Message-ID:
> >       <8548c5f30804280320r39c08c9as3b88b1d884c4b85c at mail.gmail.com>
> > Content-Type: text/plain; charset=UTF-8
> >
> > http://snippets.dzone.com/posts/show/2036
> >
> > You need pywin32 for this.
> >
> > Why not google stuff yourself before posting to the list ? Saves everyones
> > time.
> >
> > --Anand
> >
> > On Mon, Apr 28, 2008 at 3:43 PM, KartheeK <kartheekpn at yahoo.co.in> wrote:
> > > Hi,
> > >
> > > Why dont u export it to a ,txt file and then read it as a normal file..
> > >
> > >
> >  KartheeK
> > >
> > >
> > > sambasivareddy <sambasivareddy.s at patni..com> wrote:
> > >
> > >
> > >
> > > Hi all,
> > >
> > > Need help on "How can I read an excel sheet using python"?
> > > If any one have any example please send to me. Thanks in advance.
> > >
> > >
> > > Thanks and Regards,
> > > Sambasivareddy.S
> > >
> > >
> > > http://www.patni.com
> > >  World-Wide Partnerships. World-Class Solutions.
> > >  _____________________________________________________________________
> > >
> > >  This e-mail message may contain proprietary, confidential or legally
> > > privileged information for the sole use of the person or entity to whom
> > this
> > > message was originally addressed. Any review, e-transmission dissemination
> > > or other use of or taking of any action in reliance upon this information
> > by
> > > persons or entities other than the intended recipient is prohibited.
> >  If
> > you
> > > have received this e-mail in error kindly delete this e-mail from your
> > > records. If it appears that this mail has been forwarded to you without
> > > proper authority, please notify us immediately at netadmin at patni.com and
> > > delete this mail.
> > >  _____________________________________________________________________
> > > _______________________________________________
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> > >
> > >
> >
> >
> >
> > --
> > -Anand
> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Mon, 28 Apr 2008 11:29:07 +0100 (BST)
> > From: Maxin B John <maxin_john at yahoo.co.uk>
> > Subject: Re:
> >  [BangPypers] How can I read an excel sheet using python ?
> > To: bangpypers at python.org
> > Message-ID: <91803.62659.qm at web26611.mail.ukl.yahoo.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> >   Dear  Sambasivareddy,
> >   Hi all,
> >
> >
> >
> > Need help on "How can I read an excel sheet using python"?
> >
> >   Try the xlrd module (http://pypi.python.org/pypi/xlrd/0.5.2).
> >
> >
> >
> > If any one have any example please send to me. Thanks in advance.
> >
> > Example is available in that module itself.
> >
> > Thanks and Regards,
> >
> > Sambasivareddy.S
> >
> > Regards,
> >
> >   Maxin B John
> >   Kerala
> >
> >
> >
> > ---------------------------------
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-- 
regards,
Banibrata
http://www.linkedin.com/in/bdutta