[CentralOH] 2015-09-28 會議 Scribbles 落書/惡文?: Non-standard Dunder Names; Eric Floehr APIs; Private Keys on Github; Travis Risner IDE PyCharm; ubuntu make; emacs; but tracker; how to use projectors

[jep200404 at columbus.rr.com]

>From PEP8:

    __double_leading_and_trailing_underscore__  : "magic" objects
    or attributes that live in user-controlled namespaces. 
    E.g. __init__  ,  __import__  or __file__  .
    Never invent such names; only use them as documented.

For the sake of discussion,
I will call __double_leading_and_trailing_underscore__ names, "dunder names".

There was a question about which (non-method) dunder names are standard.
Certainly, __name__ and __doc__ are standard.
__version__ is standard[2].

Dunder names such as the following were seen in PyCharm.

    __author__
    __project__
    __creation_date__

Are those dunder names standard,
or are they non-standard extensions by PyCharm?

It seems that Guido is not keen[3] on making standard dunder
names like __author__, and __credits__.
PEP 345[4] seems to not talk about this.

pyohio bags for free: Take one, please!

Eric Floehr gave a presentation on API

    It was extraordinarily legible with high contrast text and 
    filled the screen with less than 24x80.

    What is an API?
    There were definitions given that were probably true, but that were so
    complicated that I did not recognize what they were talking about.
    This was not helpful for people who do not know what an API is.

    More simply:

        APIs are how software talks to some other software.

    api.wunderground.com/api?MR=1
    free 500 calls per day
    api key
    import json
    import urllib2
    jsondata
    urllib2

    requests is external
    urllib2 is builtin

    eric at intellovations.com

never check in private keys

    http://www.theregister.co.uk/2015/01/06/dev_blunder_shows_github_crawling_wi
th_keyslurping_bots/
    http://vertis.io/2013/12/16/unauthorised-litecoin-mining.html
    http://it.slashdot.org/story/15/01/02/2342228/bots-scanning-github-to-steal-
amazon-ec2-keys
    http://www.itnews.com.au/news/aws-urges-developers-to-scrub-github-of-secret
-keys-375785

19:05 Travis Risner gave a presentation about IDEs

    To IDE or to Not IDE
    pycharm
    what is an ide?
        editor
        viersion control
        run program
        debug
            set breakpoints
        virtualenv environment
    fonts were too small
    tr: __author__, __project__, and __creation_date__
         are standard python variable names

    big benefit is gui which allows one to explore multiple choice menus
    without knowing exactly what one is looking for
    drawback is needs much screen resolution
    for pycharm 1024x768 is minimum, but feels cramped.

    Ubuntu Make
    https://wiki.ubuntu.com/ubuntu-make
    https://github.com/ubuntu/ubuntu-make

    The one true operating system.
    http://xkcd.com/378/

should we use bug tracker?

send reminders to presenters before meeting about projectors

[1] PEP 0008 -- Style Guide for Python Code
    https://www.python.org/dev/peps/pep-0008/#names-to-avoid

[2] PEP 0396 -- Module Version Numbers
    https://www.python.org/dev/peps/pep-0396/

[3] [Python-Dev] __credits__ and __author__ variables
    http://mail.python.org/pipermail/python-dev/2001-March/013328.html

[4] PEP 0345 -- Metadata for Python Software Packages 1.2
    https://www.python.org/dev/peps/pep-0345/