From Stephen.Mazzei at asrcfederal.com  Fri Mar 11 10:30:35 2016
From: Stephen.Mazzei at asrcfederal.com (Mazzei, Stephen Andrew)
Date: Fri, 11 Mar 2016 15:30:35 +0000
Subject: [Flask] Passing MySQL values to different webpages
Message-ID: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>

Good morning,

I am looking for help on a MySQL issue. I am currently running an query over a database and populating a table. The table contains items group units and then their values. I currently have the group unit as a link to that units own webpage.

On this webpage I would like to repost the same table information, per the unit, and then some additional information. How can I pass the query from the previous webpage to the next page without having to re-run the same query over and over again.

Thank you


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
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From bk at breadtech.com  Fri Mar 11 11:36:05 2016
From: bk at breadtech.com (Brian Kim)
Date: Fri, 11 Mar 2016 11:36:05 -0500
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
Message-ID: <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>

Hi Stephen,

I believe that the best way to solve your problem will be to pass the data
from page1 into page2 through the URI via GET request. In order to
dynamically set the values, you will probably need to use Javascript. For
example (with JQuery for syntactic convenience...)

mypage1.html:
<button id="go">Go to Page 2</button>
<script>
  $("#go").click( function() {
     target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1]; //
build the URI
     location.href = target; // redirect the page to that URL
   }
</script>

myapp.py:
@app.route("/mypage2")
def mypage2():
  data1 = request.args.get("key1")
  data2 = request.args.get("key2")
  return render_template("mypage2.html", key1=data1, key2=data2)

This isn't a complete by any means but hopefully gives enough to get you
started... Let me know if you would like a better example and I'll try to
put something up on github for you.

BK

On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <
Stephen.Mazzei at asrcfederal.com> wrote:

> Good morning,
>
>
>
> I am looking for help on a MySQL issue. I am currently running an query
> over a database and populating a table. The table contains items group
> units and then their values. I currently have the group unit as a link to
> that units own webpage.
>
>
>
> On this webpage I would like to repost the same table information, per the
> unit, and then some additional information. How can I pass the query from
> the previous webpage to the next page without having to re-run the same
> query over and over again.
>
>
>
> Thank you
>
>
>
>
>
> ---
>
> Stephen A. Mazzei
>
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
>
>
>
> ------------------------------
>
> The preceding message (including attachments) is covered by the Electronic
> Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only
> for the person or entity to which it is addressed, and may contain
> information that is confidential, protected by attorney-client or other
> privilege, or otherwise protected from disclosure by law. If you are not
> the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
>
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
>
>
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From Stephen.Mazzei at asrcfederal.com  Fri Mar 11 13:52:41 2016
From: Stephen.Mazzei at asrcfederal.com (Mazzei, Stephen Andrew)
Date: Fri, 11 Mar 2016 18:52:41 +0000
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
 <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
Message-ID: <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>

Thanks Brian, but I was able to do this using Flask/session.

@app.route(?/page1?)
def page1():
    session[?var1?] = ?Some value?
    return redirect(url_for(app.page2))

@app.route(?/page2?)
def page2():
    return render_template(?template.html?, value2=session.get('val1', None))


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965

From: Brian Kim [mailto:bk at breadtech.com]
Sent: Friday, March 11, 2016 11:36 AM
To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
Cc: flask at python.org
Subject: Re: [Flask] Passing MySQL values to different webpages

Hi Stephen,

I believe that the best way to solve your problem will be to pass the data from page1 into page2 through the URI via GET request. In order to dynamically set the values, you will probably need to use Javascript. For example (with JQuery for syntactic convenience...)

mypage1.html:
<button id="go">Go to Page 2</button>
<script>
  $("#go").click( function() {
     target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1]; // build the URI
     location.href = target; // redirect the page to that URL
   }
</script>

myapp.py:
@app.route("/mypage2")
def mypage2():
  data1 = request.args.get("key1")
  data2 = request.args.get("key2")
  return render_template("mypage2.html", key1=data1, key2=data2)

This isn't a complete by any means but hopefully gives enough to get you started... Let me know if you would like a better example and I'll try to put something up on github for you.

BK

On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>> wrote:
Good morning,

I am looking for help on a MySQL issue. I am currently running an query over a database and populating a table. The table contains items group units and then their values. I currently have the group unit as a link to that units own webpage.

On this webpage I would like to repost the same table information, per the unit, and then some additional information. How can I pass the query from the previous webpage to the next page without having to re-run the same query over and over again.

Thank you


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965<tel:513-634-9965>


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.

_______________________________________________
Flask mailing list
Flask at python.org<mailto:Flask at python.org>
https://mail.python.org/mailman/listinfo/flask


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
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From bk at breadtech.com  Fri Mar 11 14:15:50 2016
From: bk at breadtech.com (Brian Kim)
Date: Fri, 11 Mar 2016 14:15:50 -0500
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
 <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>
Message-ID: <AB816AC5-F10B-41E0-8E59-1A642238727D@breadtech.com>

Nice! Using a session variable is definitely a better solution than what I was suggesting.

> On Mar 11, 2016, at 1:52 PM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com> wrote:
> 
> Thanks Brian, but I was able to do this using Flask/session.
>  
> @app.route(?/page1?)
> def page1():
>     session[?var1?] = ?Some value?
>     return redirect(url_for(app.page2))
>  
> @app.route(?/page2?)
> def page2():
>     return render_template(?template.html?, value2=session.get('val1', None))
>  
>  
> ---
> Stephen A. Mazzei
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965
>  
> From: Brian Kim [mailto:bk at breadtech.com] 
> Sent: Friday, March 11, 2016 11:36 AM
> To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> Cc: flask at python.org
> Subject: Re: [Flask] Passing MySQL values to different webpages
>  
> Hi Stephen,
>  
> I believe that the best way to solve your problem will be to pass the data from page1 into page2 through the URI via GET request. In order to dynamically set the values, you will probably need to use Javascript. For example (with JQuery for syntactic convenience...)
>  
> mypage1.html:
> <button id="go">Go to Page 2</button>
> <script>
>   $("#go").click( function() {
>      target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1]; // build the URI
>      location.href = target; // redirect the page to that URL
>    }
> </script>
>  
> myapp.py:
> @app.route("/mypage2")
> def mypage2():
>   data1 = request.args.get("key1")
>   data2 = request.args.get("key2")
>   return render_template("mypage2.html", key1=data1, key2=data2)
>  
> This isn't a complete by any means but hopefully gives enough to get you started... Let me know if you would like a better example and I'll try to put something up on github for you.
>  
> BK
>  
> On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com> wrote:
> Good morning,
>  
> I am looking for help on a MySQL issue. I am currently running an query over a database and populating a table. The table contains items group units and then their values. I currently have the group unit as a link to that units own webpage.
>  
> On this webpage I would like to repost the same table information, per the unit, and then some additional information. How can I pass the query from the previous webpage to the next page without having to re-run the same query over and over again.
>  
> Thank you
>  
>  
> ---
> Stephen A. Mazzei
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965
>  
>  
> 
> The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
> 
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
> 
>  
> 
> 
> The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
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From Stephen.Mazzei at asrcfederal.com  Fri Mar 11 14:23:36 2016
From: Stephen.Mazzei at asrcfederal.com (Mazzei, Stephen Andrew)
Date: Fri, 11 Mar 2016 19:23:36 +0000
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <AB816AC5-F10B-41E0-8E59-1A642238727D@breadtech.com>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
 <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>
 <AB816AC5-F10B-41E0-8E59-1A642238727D@breadtech.com>
Message-ID: <FA1CCD1F7381504ABB7081B0462B9DDC01D857AD@AFSY-MXDBP1.asrcfh.local>

Maybe you can answer this, (being completely new to flask/html/etc) the session helped pass variables through the flask program inside the python scripts. How can I pass variables from the html template? Would that be more the method you originally sent?

I am trying to build a basic template that can be reused depending on what http link was clicked from the previous page.

Example:

Page 1
?link to apple?
?link to orange?

Page 2
                You chose (VARIABLE)

Looking online it looks like I could do

Page 1
<a href='template.html?myVar1=apple'>Apple</a>
<a href='template.html?myVar1=apple'>Orange</a>

Page 2
                You chose (myVar1) ==> You chose Apple

Not sure on the python/flask side how to capture the ?myVar1?


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965

From: Brian Kim [mailto:bk at breadtech.com]
Sent: Friday, March 11, 2016 2:16 PM
To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
Cc: flask at python.org
Subject: Re: [Flask] Passing MySQL values to different webpages

Nice! Using a session variable is definitely a better solution than what I was suggesting.

On Mar 11, 2016, at 1:52 PM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>> wrote:
Thanks Brian, but I was able to do this using Flask/session.

@app.route(?/page1?)
def page1():
    session[?var1?] = ?Some value?
    return redirect(url_for(app.page2))

@app.route(?/page2?)
def page2():
    return render_template(?template.html?, value2=session.get('val1', None))


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965

From: Brian Kim [mailto:bk at breadtech.com]
Sent: Friday, March 11, 2016 11:36 AM
To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>>
Cc: flask at python.org<mailto:flask at python.org>
Subject: Re: [Flask] Passing MySQL values to different webpages

Hi Stephen,

I believe that the best way to solve your problem will be to pass the data from page1 into page2 through the URI via GET request. In order to dynamically set the values, you will probably need to use Javascript. For example (with JQuery for syntactic convenience...)

mypage1.html:
<button id="go">Go to Page 2</button>
<script>
  $("#go").click( function() {
     target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1]; // build the URI
     location.href = target; // redirect the page to that URL
   }
</script>

myapp.py:
@app.route("/mypage2")
def mypage2():
  data1 = request.args.get("key1")
  data2 = request.args.get("key2")
  return render_template("mypage2.html", key1=data1, key2=data2)

This isn't a complete by any means but hopefully gives enough to get you started... Let me know if you would like a better example and I'll try to put something up on github for you.

BK

On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>> wrote:
Good morning,

I am looking for help on a MySQL issue. I am currently running an query over a database and populating a table. The table contains items group units and then their values. I currently have the group unit as a link to that units own webpage.

On this webpage I would like to repost the same table information, per the unit, and then some additional information. How can I pass the query from the previous webpage to the next page without having to re-run the same query over and over again.

Thank you


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965<tel:513-634-9965>


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.

_______________________________________________
Flask mailing list
Flask at python.org<mailto:Flask at python.org>
https://mail.python.org/mailman/listinfo/flask


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.

________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
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From ford.anthonyj at gmail.com  Fri Mar 11 14:58:20 2016
From: ford.anthonyj at gmail.com (Anthony Ford)
Date: Fri, 11 Mar 2016 15:58:20 -0400
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <FA1CCD1F7381504ABB7081B0462B9DDC01D857AD@AFSY-MXDBP1.asrcfh.local>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
 <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>
 <AB816AC5-F10B-41E0-8E59-1A642238727D@breadtech.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D857AD@AFSY-MXDBP1.asrcfh.local>
Message-ID: <CABC5zqjhAuO2eMkWb2wpwwyWxUpW+SUW2YqAZXbx4tqH9GzVsQ@mail.gmail.com>

Hey Stephen,

You would use the `request.args` MultiDict. It works in the same manner as
`request.form`, but accesses the values in the query string.

In your example, you could access the value of your argument via
`request.args.get('myVar1')`. It is also a MultiDict
<http://werkzeug.pocoo.org/docs/0.11/datastructures/#werkzeug.datastructures.MultiDict>,
so you can do things like fetch all the keys with `.keys()`, or use
`.getlist('foo')`.

For more info, see the Quickstart (Request Object
<http://flask.pocoo.org/docs/0.10/quickstart/#the-request-object>). A short
example is seen in the last 1/3 of that section.

Anthony Ford,
KF5IBN,
ford.anthonyj at gmail.com

On Fri, Mar 11, 2016 at 3:23 PM, Mazzei, Stephen Andrew <
Stephen.Mazzei at asrcfederal.com> wrote:

> Maybe you can answer this, (being completely new to flask/html/etc) the
> session helped pass variables through the flask program inside the python
> scripts. How can I pass variables from the html template? Would that be
> more the method you originally sent?
>
>
>
> I am trying to build a basic template that can be reused depending on what
> http link was clicked from the previous page.
>
>
>
> Example:
>
>
>
> Page 1
>
> ?link to apple?
>
> ?link to orange?
>
>
>
> Page 2
>
>                 You chose (VARIABLE)
>
>
>
> Looking online it looks like I could do
>
>
>
> Page 1
>
> <a href='template.html?myVar1=apple'>Apple</a>
>
> <a href='template.html?myVar1=apple'>Orange</a>
>
>
>
> Page 2
>
>                 You chose (myVar1) ? You chose Apple
>
>
>
> Not sure on the python/flask side how to capture the ?myVar1?
>
>
>
>
>
> ---
>
> Stephen A. Mazzei
>
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
>
>
>
> *From:* Brian Kim [mailto:bk at breadtech.com]
> *Sent:* Friday, March 11, 2016 2:16 PM
>
> *To:* Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> *Cc:* flask at python.org
> *Subject:* Re: [Flask] Passing MySQL values to different webpages
>
>
>
> Nice! Using a session variable is definitely a better solution than what I
> was suggesting.
>
>
> On Mar 11, 2016, at 1:52 PM, Mazzei, Stephen Andrew <
> Stephen.Mazzei at asrcfederal.com> wrote:
>
> Thanks Brian, but I was able to do this using Flask/session.
>
>
>
> @app.route(?/page1?)
>
> def page1():
>
>     session[?var1?] = ?Some value?
>
>     return redirect(url_for(app.page2))
>
>
>
> @app.route(?/page2?)
>
> def page2():
>
>     return render_template(?template.html?, value2=session.get('val1',
> None))
>
>
>
>
>
> ---
>
> Stephen A. Mazzei
>
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
>
>
>
> *From:* Brian Kim [mailto:bk at breadtech.com <bk at breadtech.com>]
> *Sent:* Friday, March 11, 2016 11:36 AM
> *To:* Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> *Cc:* flask at python.org
> *Subject:* Re: [Flask] Passing MySQL values to different webpages
>
>
>
> Hi Stephen,
>
>
>
> I believe that the best way to solve your problem will be to pass the data
> from page1 into page2 through the URI via GET request. In order to
> dynamically set the values, you will probably need to use Javascript. For
> example (with JQuery for syntactic convenience...)
>
>
>
> mypage1.html:
>
> <button id="go">Go to Page 2</button>
>
> <script>
>
>   $("#go").click( function() {
>
>      target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1]; //
> build the URI
>
>      location.href = target; // redirect the page to that URL
>
>    }
>
> </script>
>
>
>
> myapp.py:
>
> @app.route("/mypage2")
>
> def mypage2():
>
>   data1 = request.args.get("key1")
>
>   data2 = request.args.get("key2")
>
>   return render_template("mypage2.html", key1=data1, key2=data2)
>
>
>
> This isn't a complete by any means but hopefully gives enough to get you
> started... Let me know if you would like a better example and I'll try to
> put something up on github for you.
>
>
>
> BK
>
>
>
> On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <
> Stephen.Mazzei at asrcfederal.com> wrote:
>
> Good morning,
>
>
>
> I am looking for help on a MySQL issue. I am currently running an query
> over a database and populating a table. The table contains items group
> units and then their values. I currently have the group unit as a link to
> that units own webpage.
>
>
>
> On this webpage I would like to repost the same table information, per the
> unit, and then some additional information. How can I pass the query from
> the previous webpage to the next page without having to re-run the same
> query over and over again.
>
>
>
> Thank you
>
>
>
>
>
> ---
>
> Stephen A. Mazzei
>
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
>
>
>
>
> ------------------------------
>
>
> The preceding message (including attachments) is covered by the Electronic
> Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only
> for the person or entity to which it is addressed, and may contain
> information that is confidential, protected by attorney-client or other
> privilege, or otherwise protected from disclosure by law. If you are not
> the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
>
>
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
>
>
>
>
> ------------------------------
>
>
> The preceding message (including attachments) is covered by the Electronic
> Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only
> for the person or entity to which it is addressed, and may contain
> information that is confidential, protected by attorney-client or other
> privilege, or otherwise protected from disclosure by law. If you are not
> the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
>
>
> ------------------------------
>
> The preceding message (including attachments) is covered by the Electronic
> Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only
> for the person or entity to which it is addressed, and may contain
> information that is confidential, protected by attorney-client or other
> privilege, or otherwise protected from disclosure by law. If you are not
> the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
>
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>
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From Stephen.Mazzei at asrcfederal.com  Fri Mar 11 15:33:12 2016
From: Stephen.Mazzei at asrcfederal.com (Mazzei, Stephen Andrew)
Date: Fri, 11 Mar 2016 20:33:12 +0000
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <CABC5zqjhAuO2eMkWb2wpwwyWxUpW+SUW2YqAZXbx4tqH9GzVsQ@mail.gmail.com>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
 <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>
 <AB816AC5-F10B-41E0-8E59-1A642238727D@breadtech.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D857AD@AFSY-MXDBP1.asrcfh.local>
 <CABC5zqjhAuO2eMkWb2wpwwyWxUpW+SUW2YqAZXbx4tqH9GzVsQ@mail.gmail.com>
Message-ID: <FA1CCD1F7381504ABB7081B0462B9DDC01D857F5@AFSY-MXDBP1.asrcfh.local>

Thank you Anthony and Brian. I was able to solve both my variable passing issues both inside of flask and from html to flask.

?


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965

From: Anthony Ford [mailto:ford.anthonyj at gmail.com]
Sent: Friday, March 11, 2016 2:58 PM
To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
Cc: Brian Kim <bk at breadtech.com>; flask at python.org
Subject: Re: [Flask] Passing MySQL values to different webpages

Hey Stephen,

You would use the `request.args` MultiDict. It works in the same manner as `request.form`, but accesses the values in the query string.

In your example, you could access the value of your argument via `request.args.get('myVar1')`. It is also a MultiDict<http://werkzeug.pocoo.org/docs/0.11/datastructures/#werkzeug.datastructures.MultiDict>, so you can do things like fetch all the keys with `.keys()`, or use `.getlist('foo')`.

For more info, see the Quickstart (Request Object<http://flask.pocoo.org/docs/0.10/quickstart/#the-request-object>). A short example is seen in the last 1/3 of that section.

Anthony Ford,
KF5IBN,
ford.anthonyj at gmail.com<mailto:ford.anthonyj at gmail.com>

On Fri, Mar 11, 2016 at 3:23 PM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>> wrote:
Maybe you can answer this, (being completely new to flask/html/etc) the session helped pass variables through the flask program inside the python scripts. How can I pass variables from the html template? Would that be more the method you originally sent?

I am trying to build a basic template that can be reused depending on what http link was clicked from the previous page.

Example:

Page 1
?link to apple?
?link to orange?

Page 2
                You chose (VARIABLE)

Looking online it looks like I could do

Page 1
<a href='template.html?myVar1=apple'>Apple</a>
<a href='template.html?myVar1=apple'>Orange</a>

Page 2
                You chose (myVar1) ==> You chose Apple

Not sure on the python/flask side how to capture the ?myVar1?


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965<tel:513-634-9965>

From: Brian Kim [mailto:bk at breadtech.com<mailto:bk at breadtech.com>]
Sent: Friday, March 11, 2016 2:16 PM

To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>>
Cc: flask at python.org<mailto:flask at python.org>
Subject: Re: [Flask] Passing MySQL values to different webpages

Nice! Using a session variable is definitely a better solution than what I was suggesting.

On Mar 11, 2016, at 1:52 PM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>> wrote:
Thanks Brian, but I was able to do this using Flask/session.

@app.route(?/page1?)
def page1():
    session[?var1?] = ?Some value?
    return redirect(url_for(app.page2))

@app.route(?/page2?)
def page2():
    return render_template(?template.html?, value2=session.get('val1', None))


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965<tel:513-634-9965>

From: Brian Kim [mailto:bk at breadtech.com]
Sent: Friday, March 11, 2016 11:36 AM
To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>>
Cc: flask at python.org<mailto:flask at python.org>
Subject: Re: [Flask] Passing MySQL values to different webpages

Hi Stephen,

I believe that the best way to solve your problem will be to pass the data from page1 into page2 through the URI via GET request. In order to dynamically set the values, you will probably need to use Javascript. For example (with JQuery for syntactic convenience...)

mypage1.html:
<button id="go">Go to Page 2</button>
<script>
  $("#go").click( function() {
     target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1]; // build the URI
     location.href = target; // redirect the page to that URL
   }
</script>

myapp.py:
@app.route("/mypage2")
def mypage2():
  data1 = request.args.get("key1")
  data2 = request.args.get("key2")
  return render_template("mypage2.html", key1=data1, key2=data2)

This isn't a complete by any means but hopefully gives enough to get you started... Let me know if you would like a better example and I'll try to put something up on github for you.

BK

On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com<mailto:Stephen.Mazzei at asrcfederal.com>> wrote:
Good morning,

I am looking for help on a MySQL issue. I am currently running an query over a database and populating a table. The table contains items group units and then their values. I currently have the group unit as a link to that units own webpage.

On this webpage I would like to repost the same table information, per the unit, and then some additional information. How can I pass the query from the previous webpage to the next page without having to re-run the same query over and over again.

Thank you


---
Stephen A. Mazzei
Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965<tel:513-634-9965>


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.

_______________________________________________
Flask mailing list
Flask at python.org<mailto:Flask at python.org>
https://mail.python.org/mailman/listinfo/flask


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.

________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.

_______________________________________________
Flask mailing list
Flask at python.org<mailto:Flask at python.org>
https://mail.python.org/mailman/listinfo/flask


________________________________

The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
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From ford.anthonyj at gmail.com  Fri Mar 11 20:40:00 2016
From: ford.anthonyj at gmail.com (Anthony Ford)
Date: Fri, 11 Mar 2016 21:40:00 -0400
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <375D6488-8B8E-41F2-AAC9-FA7283BA2A2D@anu.edu.au>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
 <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>
 <AB816AC5-F10B-41E0-8E59-1A642238727D@breadtech.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D857AD@AFSY-MXDBP1.asrcfh.local>
 <CABC5zqjhAuO2eMkWb2wpwwyWxUpW+SUW2YqAZXbx4tqH9GzVsQ@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D857F5@AFSY-MXDBP1.asrcfh.local>
 <375D6488-8B8E-41F2-AAC9-FA7283BA2A2D@anu.edu.au>
Message-ID: <CABC5zqjuqTOHwVBwQueP+mdCN+8j55ynO3+2wkX1RpNge9bmqg@mail.gmail.com>

Hey Adam,

When you are passing values back and forth, consider the application.

Hidden input fields can (and will) be modified by the end-user. So don't
use it if that can be a problem (like the price of an item, or identifiers).

A session uses a signed cookie, which is not user modifiable (at least not
without invalidating the signature or stealing your secret key).

The issue with both approaches is that the values can be seen by the end
user. This can be a problem in certain situations (though I can't think of
an example off the top of my head). One solution to this is to use
server-side sessions (the flask-session extension can make this easy to set
up: https://pythonhosted.org/Flask-Session/), with a data store like redis
or your DB.

Just some things to keep in mind. Enjoy flask!


Anthony Ford,
KF5IBN,
ford.anthonyj at gmail.com

On Fri, Mar 11, 2016 at 8:12 PM, Adam Steer <Adam.Steer at anu.edu.au> wrote:

> Thanks everyone, this discussion has also been useful for me - I?ve got
> some variables passing from form to form too (using the request object, and
> hidden form fields) - and was just starting to look at how Flask sessions
> work, to try and tidy things up.
>
> cheers
> Adam
>
> > On 12 Mar 2016, at 7:33 AM, Mazzei, Stephen Andrew <
> Stephen.Mazzei at asrcfederal.com> wrote:
> >
> > Thank you Anthony and Brian. I was able to solve both my variable
> passing issues both inside of flask and from html to flask.
> >
> > J
> >
> >
> > ---
> > Stephen A. Mazzei
> > Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
> >
> > From: Anthony Ford [mailto:ford.anthonyj at gmail.com]
> > Sent: Friday, March 11, 2016 2:58 PM
> > To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> > Cc: Brian Kim <bk at breadtech.com>; flask at python.org
> > Subject: Re: [Flask] Passing MySQL values to different webpages
> >
> > Hey Stephen,
> >
> > You would use the `request.args` MultiDict. It works in the same manner
> as `request.form`, but accesses the values in the query string.
> >
> > In your example, you could access the value of your argument via
> `request.args.get('myVar1')`. It is also aMultiDict, so you can do things
> like fetch all the keys with `.keys()`, or use `.getlist('foo')`.
> >
> > For more info, see the Quickstart (Request Object). A short example is
> seen in the last 1/3 of that section.
> >
> > Anthony Ford,
> > KF5IBN,
> > ford.anthonyj at gmail.com
> >
> > On Fri, Mar 11, 2016 at 3:23 PM, Mazzei, Stephen Andrew <
> Stephen.Mazzei at asrcfederal.com> wrote:
> > Maybe you can answer this, (being completely new to flask/html/etc) the
> session helped pass variables through the flask program inside the python
> scripts. How can I pass variables from the html template? Would that be
> more the method you originally sent?
> >
> > I am trying to build a basic template that can be reused depending on
> what http link was clicked from the previous page.
> >
> > Example:
> >
> > Page 1
> > ?link to apple?
> > ?link to orange?
> >
> > Page 2
> >                 You chose (VARIABLE)
> >
> > Looking online it looks like I could do
> >
> > Page 1
> > <a href='template.html?myVar1=apple'>Apple</a>
> > <a href='template.html?myVar1=apple'>Orange</a>
> >
> > Page 2
> >                 You chose (myVar1) ? You chose Apple
> >
> > Not sure on the python/flask side how to capture the ?myVar1?
> >
> >
> > ---
> > Stephen A. Mazzei
> > Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
> >
> > From: Brian Kim [mailto:bk at breadtech.com]
> > Sent: Friday, March 11, 2016 2:16 PM
> >
> > To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> > Cc: flask at python.org
> > Subject: Re: [Flask] Passing MySQL values to different webpages
> >
> > Nice! Using a session variable is definitely a better solution than what
> I was suggesting.
> >
> > On Mar 11, 2016, at 1:52 PM, Mazzei, Stephen Andrew <
> Stephen.Mazzei at asrcfederal.com> wrote:
> >
> > Thanks Brian, but I was able to do this using Flask/session.
> >
> > @app.route(?/page1?)
> > def page1():
> >     session[?var1?] = ?Some value?
> >     return redirect(url_for(app.page2))
> >
> > @app.route(?/page2?)
> > def page2():
> >     return render_template(?template.html?, value2=session.get('val1',
> None))
> >
> >
> > ---
> > Stephen A. Mazzei
> > Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
> >
> > From: Brian Kim [mailto:bk at breadtech.com]
> > Sent: Friday, March 11, 2016 11:36 AM
> > To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> > Cc: flask at python.org
> > Subject: Re: [Flask] Passing MySQL values to different webpages
> >
> > Hi Stephen,
> >
> > I believe that the best way to solve your problem will be to pass the
> data from page1 into page2 through the URI via GET request. In order to
> dynamically set the values, you will probably need to use Javascript. For
> example (with JQuery for syntactic convenience...)
> >
> > mypage1.html:
> > <button id="go">Go to Page 2</button>
> > <script>
> >   $("#go").click( function() {
> >      target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1];
> // build the URI
> >      location.href = target; // redirect the page to that URL
> >    }
> > </script>
> >
> > myapp.py:
> > @app.route("/mypage2")
> > def mypage2():
> >   data1 = request.args.get("key1")
> >   data2 = request.args.get("key2")
> >   return render_template("mypage2.html", key1=data1, key2=data2)
> >
> > This isn't a complete by any means but hopefully gives enough to get you
> started... Let me know if you would like a better example and I'll try to
> put something up on github for you.
> >
> > BK
> >
> > On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <
> Stephen.Mazzei at asrcfederal.com> wrote:
> > Good morning,
> >
> > I am looking for help on a MySQL issue. I am currently running an query
> over a database and populating a table. The table contains items group
> units and then their values. I currently have the group unit as a link to
> that units own webpage.
> >
> > On this webpage I would like to repost the same table information, per
> the unit, and then some additional information. How can I pass the query
> from the previous webpage to the next page without having to re-run the
> same query over and over again.
> >
> > Thank you
> >
> >
> > ---
> > Stephen A. Mazzei
> > Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC
> Account | 513-634-9965
> >
> >
> >
> > The preceding message (including attachments) is covered by the
> Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is
> intended only for the person or entity to which it is addressed, and may
> contain information that is confidential, protected by attorney-client or
> other privilege, or otherwise protected from disclosure by law. If you are
> not the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
> >
> > _______________________________________________
> > Flask mailing list
> > Flask at python.org
> > https://mail.python.org/mailman/listinfo/flask
> >
> >
> >
> >
> > The preceding message (including attachments) is covered by the
> Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is
> intended only for the person or entity to which it is addressed, and may
> contain information that is confidential, protected by attorney-client or
> other privilege, or otherwise protected from disclosure by law. If you are
> not the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
> >
> >
> > The preceding message (including attachments) is covered by the
> Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is
> intended only for the person or entity to which it is addressed, and may
> contain information that is confidential, protected by attorney-client or
> other privilege, or otherwise protected from disclosure by law. If you are
> not the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
> >
> > _______________________________________________
> > Flask mailing list
> > Flask at python.org
> > https://mail.python.org/mailman/listinfo/flask
> >
> >
> >
> >
> > The preceding message (including attachments) is covered by the
> Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is
> intended only for the person or entity to which it is addressed, and may
> contain information that is confidential, protected by attorney-client or
> other privilege, or otherwise protected from disclosure by law. If you are
> not the intended recipient, you are hereby notified that any retention,
> dissemination, distribution, or copying of this communication is strictly
> prohibited. Please reply to the sender that you have received the message
> in error and destroy the original message and all copies.
> > _______________________________________________
> > Flask mailing list
> > Flask at python.org
> > https://mail.python.org/mailman/listinfo/flask
>
>
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From Adam.Steer at anu.edu.au  Fri Mar 11 19:12:00 2016
From: Adam.Steer at anu.edu.au (Adam Steer)
Date: Sat, 12 Mar 2016 00:12:00 +0000
Subject: [Flask] Passing MySQL values to different webpages
In-Reply-To: <FA1CCD1F7381504ABB7081B0462B9DDC01D857F5@AFSY-MXDBP1.asrcfh.local>
References: <FA1CCD1F7381504ABB7081B0462B9DDC01D85632@AFSY-MXDBP1.asrcfh.local>
 <CA+mcuzm3civ7qjA2+=PQDiSYAw4Lot0Yyq7eP2n2C6V+j+-mCw@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D8577D@AFSY-MXDBP1.asrcfh.local>
 <AB816AC5-F10B-41E0-8E59-1A642238727D@breadtech.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D857AD@AFSY-MXDBP1.asrcfh.local>
 <CABC5zqjhAuO2eMkWb2wpwwyWxUpW+SUW2YqAZXbx4tqH9GzVsQ@mail.gmail.com>
 <FA1CCD1F7381504ABB7081B0462B9DDC01D857F5@AFSY-MXDBP1.asrcfh.local>
Message-ID: <375D6488-8B8E-41F2-AAC9-FA7283BA2A2D@anu.edu.au>

Thanks everyone, this discussion has also been useful for me - I?ve got some variables passing from form to form too (using the request object, and hidden form fields) - and was just starting to look at how Flask sessions work, to try and tidy things up.

cheers
Adam

> On 12 Mar 2016, at 7:33 AM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com> wrote:
> 
> Thank you Anthony and Brian. I was able to solve both my variable passing issues both inside of flask and from html to flask.
>  
> J
>  
>  
> ---
> Stephen A. Mazzei
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965
>  
> From: Anthony Ford [mailto:ford.anthonyj at gmail.com] 
> Sent: Friday, March 11, 2016 2:58 PM
> To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> Cc: Brian Kim <bk at breadtech.com>; flask at python.org
> Subject: Re: [Flask] Passing MySQL values to different webpages
>  
> Hey Stephen,
>  
> You would use the `request.args` MultiDict. It works in the same manner as `request.form`, but accesses the values in the query string.
>  
> In your example, you could access the value of your argument via `request.args.get('myVar1')`. It is also aMultiDict, so you can do things like fetch all the keys with `.keys()`, or use `.getlist('foo')`. 
>  
> For more info, see the Quickstart (Request Object). A short example is seen in the last 1/3 of that section. 
> 
> Anthony Ford,
> KF5IBN,
> ford.anthonyj at gmail.com
>  
> On Fri, Mar 11, 2016 at 3:23 PM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com> wrote:
> Maybe you can answer this, (being completely new to flask/html/etc) the session helped pass variables through the flask program inside the python scripts. How can I pass variables from the html template? Would that be more the method you originally sent?
>  
> I am trying to build a basic template that can be reused depending on what http link was clicked from the previous page.
>  
> Example:
>  
> Page 1
> ?link to apple?
> ?link to orange?
>  
> Page 2
>                 You chose (VARIABLE)
>  
> Looking online it looks like I could do
>  
> Page 1
> <a href='template.html?myVar1=apple'>Apple</a>
> <a href='template.html?myVar1=apple'>Orange</a>
>  
> Page 2
>                 You chose (myVar1) ? You chose Apple
>  
> Not sure on the python/flask side how to capture the ?myVar1?
>  
>  
> ---
> Stephen A. Mazzei
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965
>  
> From: Brian Kim [mailto:bk at breadtech.com] 
> Sent: Friday, March 11, 2016 2:16 PM
> 
> To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> Cc: flask at python.org
> Subject: Re: [Flask] Passing MySQL values to different webpages
>  
> Nice! Using a session variable is definitely a better solution than what I was suggesting.
> 
> On Mar 11, 2016, at 1:52 PM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com> wrote:
> 
> Thanks Brian, but I was able to do this using Flask/session.
>  
> @app.route(?/page1?)
> def page1():
>     session[?var1?] = ?Some value?
>     return redirect(url_for(app.page2))
>  
> @app.route(?/page2?)
> def page2():
>     return render_template(?template.html?, value2=session.get('val1', None))
>  
>  
> ---
> Stephen A. Mazzei
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965
>  
> From: Brian Kim [mailto:bk at breadtech.com] 
> Sent: Friday, March 11, 2016 11:36 AM
> To: Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com>
> Cc: flask at python.org
> Subject: Re: [Flask] Passing MySQL values to different webpages
>  
> Hi Stephen,
>  
> I believe that the best way to solve your problem will be to pass the data from page1 into page2 through the URI via GET request. In order to dynamically set the values, you will probably need to use Javascript. For example (with JQuery for syntactic convenience...)
>  
> mypage1.html:
> <button id="go">Go to Page 2</button>
> <script>
>   $("#go").click( function() {
>      target = "/mypage2?" + "key1=" + mydata[0] + "&key2=" + mydata[1]; // build the URI
>      location.href = target; // redirect the page to that URL
>    }
> </script>
>  
> myapp.py:
> @app.route("/mypage2")
> def mypage2():
>   data1 = request.args.get("key1")
>   data2 = request.args.get("key2")
>   return render_template("mypage2.html", key1=data1, key2=data2)
>  
> This isn't a complete by any means but hopefully gives enough to get you started... Let me know if you would like a better example and I'll try to put something up on github for you.
>  
> BK
>  
> On Fri, Mar 11, 2016 at 10:30 AM, Mazzei, Stephen Andrew <Stephen.Mazzei at asrcfederal.com> wrote:
> Good morning,
>  
> I am looking for help on a MySQL issue. I am currently running an query over a database and populating a table. The table contains items group units and then their values. I currently have the group unit as a link to that units own webpage. 
>  
> On this webpage I would like to repost the same table information, per the unit, and then some additional information. How can I pass the query from the previous webpage to the next page without having to re-run the same query over and over again.
>  
> Thank you
>  
>  
> ---
> Stephen A. Mazzei
> Systems Administrator | AFDS, ASRC Federal Data Solutions - P&G HPC Account | 513-634-9965
>  
>  
> 
> The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
> 
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
> 
>  
>  
> 
> The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
>  
> 
> The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
> 
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
> 
>  
> 
> 
> The preceding message (including attachments) is covered by the Electronic Communication Privacy Act, 18 U.S.C. sections 2510-2512, is intended only for the person or entity to which it is addressed, and may contain information that is confidential, protected by attorney-client or other privilege, or otherwise protected from disclosure by law. If you are not the intended recipient, you are hereby notified that any retention, dissemination, distribution, or copying of this communication is strictly prohibited. Please reply to the sender that you have received the message in error and destroy the original message and all copies.
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask


From Adam.Steer at anu.edu.au  Thu Mar 17 20:38:12 2016
From: Adam.Steer at anu.edu.au (Adam Steer)
Date: Fri, 18 Mar 2016 00:38:12 +0000
Subject: [Flask] A routing question
Message-ID: <9E4729FC-6254-405A-AB56-311791D2980E@anu.edu.au>

Hi all

I am working on a small application that is essentially flask-autoindex with some bells and whistles - it is meant to easily expose files for download, and allow a user to select multiple files to zip and download using checkboxes. It essentially looks like Autoindex (https://pythonhosted.org/Flask-AutoIndex/), and the reason I didn?t use autoindex is that I could not figure out how to expose the lists of files and directories to other functions in my flask app. Which I need to do in order to allow users to select a bunch of files to download at once.

Things are mostly working - but I?m stuck on routing. I want my flask app to navigate a directory tree which it builds on the fly, and then download files which are clicked on.

This routing works for navigating a directory tree:
---
@app.route('/', methods=['GET', 'POST'])
@app.route('/<path:path>/', methods=['GET', 'POST'])
def render_page(path=None):
     ?..stuff
     return render_template(page.html, files=files,dirs=dirs)
---
?where files are listed in page.html using:

 {% for f in files %}
        <tr>
              <td>
                {{ f.0.name }}
              </td>
              <td>
                [<a href="{{ request.base_url + '/' + f.0.name }}">http download</a>]
              </td>
              <td>{{ f.0.size|filesizeformat }}</td>
            </tr>
 {% endfor %}

?but if I click on the file link in my browser, flask sees the file name as a directory name. Links to directories have the same structure, loop through a list and show links with the format:

  <a href="{{ request.base_url[:-1] + '/' + d.name }}">{{ d.name }}</a>


Adding another endpoint:

@app.route('/<path:filename>')
def getthefile(filename):
    return send_from_directory(app.config['ROOT'], filename,as_attachment=True)

?lets me download files at the root level of my directory tree, changing the file link to  <a href=?{{ url_for(?getthefile?, f.0.name) }}? >http download</a> in my template.

?but gives a 404 if I try to navigate to a directory. 

SO, I am clearly confusing how Flask routes to things. I want to treat directories one way, and files another, but using the same route.

The endpoint of the app has the app living in /var/www/?, but the file tree that flask is displaying starting at some arbitrary point (right now /home/user/data/). So I guess I?m trying to serve static files from a dynamically built tree.

?and I?m pretty much blundering my way through flask and trying things out. This is the first real hangup so far! 

Any advice you can offer will be greatly appreciated. I?m sure it?s something very simple that I?m just not getting.

Thanks

Adam

From Adam.Steer at anu.edu.au  Fri Mar 18 01:16:39 2016
From: Adam.Steer at anu.edu.au (Adam Steer)
Date: Fri, 18 Mar 2016 05:16:39 +0000
Subject: [Flask] A routing question
In-Reply-To: <CA+mcuzn3NzUqByL=32oHi=QFWgdvuqfGZTVYH+S9iL3KjrMbVg@mail.gmail.com>
References: <9E4729FC-6254-405A-AB56-311791D2980E@anu.edu.au>
 <CA+mcuzn3NzUqByL=32oHi=QFWgdvuqfGZTVYH+S9iL3KjrMbVg@mail.gmail.com>
Message-ID: <AFC39159-3A26-47E9-B7EF-F1F89AD8B211@anu.edu.au>

Hi Brian

> Looks like a cool project that you're working on.

Thanks!

> Your problem probably lies in the call to send_from_directory but we're going to need some more information to help you any further. Specifically, what is the value of app.config['ROOT']? It doesn't seem to be a predefined entry in the config dictionary. 

app.config[?ROOT?] = ?/home/(user)/data/? - but the eventual location is not fixed.

This is where files and directories being exposed by the app live, so http://some_server/directory/ ==> /home/user/data/directory and http://some_server/file.txt ==> /home/user/data/file.txt

For a bit more context, the app will be deployed on virtual machines in a cloud environment, for users who request a public ftp style service. I figure we will guide users about where they can put files, but this basically the location needs to be pretty flexible.

> Also, are you hosting the app through a WSGI-supported server or are you just hosting it via app.run()?

Right now, it?s going using app.run().

?but it will need to deploy using WSGI. I?ve been working on making it run on WSGI, and I *think* I?m going to need to do something like declare the directory which is currently in app.config[?ROOT?] in my apache virtual host, and then tell Flask to serve static files from there.

I?ll see if there are any barriers to publishing the code. If not, I?ll put the app in a git repo over the weekend. I?m pretty certain a lot of it could be written/done a lot better! Flask has a lot it can do, but right now a lot of it leads to mushy brain at this end...

Thanks

Adam











> Best,
> BK
> 
> On Thu, Mar 17, 2016 at 8:38 PM, Adam Steer <Adam.Steer at anu.edu.au> wrote:
> Hi all
> 
> I am working on a small application that is essentially flask-autoindex with some bells and whistles - it is meant to easily expose files for download, and allow a user to select multiple files to zip and download using checkboxes. It essentially looks like Autoindex (https://pythonhosted.org/Flask-AutoIndex/), and the reason I didn?t use autoindex is that I could not figure out how to expose the lists of files and directories to other functions in my flask app. Which I need to do in order to allow users to select a bunch of files to download at once.
> 
> Things are mostly working - but I?m stuck on routing. I want my flask app to navigate a directory tree which it builds on the fly, and then download files which are clicked on.
> 
> This routing works for navigating a directory tree:
> ---
> @app.route('/', methods=['GET', 'POST'])
> @app.route('/<path:path>/', methods=['GET', 'POST'])
> def render_page(path=None):
>      ?..stuff
>      return render_template(page.html, files=files,dirs=dirs)
> ---
> ?where files are listed in page.html using:
> 
>  {% for f in files %}
>         <tr>
>               <td>
>                 {{ f.0.name }}
>               </td>
>               <td>
>                 [<a href="{{ request.base_url + '/' + f.0.name }}">http download</a>]
>               </td>
>               <td>{{ f.0.size|filesizeformat }}</td>
>             </tr>
>  {% endfor %}
> 
> ?but if I click on the file link in my browser, flask sees the file name as a directory name. Links to directories have the same structure, loop through a list and show links with the format:
> 
>   <a href="{{ request.base_url[:-1] + '/' + d.name }}">{{ d.name }}</a>
> 
> 
> Adding another endpoint:
> 
> @app.route('/<path:filename>')
> def getthefile(filename):
>     return send_from_directory(app.config['ROOT'], filename,as_attachment=True)
> 
> ?lets me download files at the root level of my directory tree, changing the file link to  <a href=?{{ url_for(?getthefile?, f.0.name) }}? >http download</a> in my template.
> 
> ?but gives a 404 if I try to navigate to a directory.
> 
> SO, I am clearly confusing how Flask routes to things. I want to treat directories one way, and files another, but using the same route.
> 
> The endpoint of the app has the app living in /var/www/?, but the file tree that flask is displaying starting at some arbitrary point (right now /home/user/data/). So I guess I?m trying to serve static files from a dynamically built tree.
> 
> ?and I?m pretty much blundering my way through flask and trying things out. This is the first real hangup so far!
> 
> Any advice you can offer will be greatly appreciated. I?m sure it?s something very simple that I?m just not getting.
> 
> Thanks
> 
> Adam
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
> 


From gabor at szabgab.com  Sat Mar 19 15:11:28 2016
From: gabor at szabgab.com (Gabor Szabo)
Date: Sat, 19 Mar 2016 21:11:28 +0200
Subject: [Flask] I am looking for Flask-based web sites and applications
Message-ID: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>

Hi,

in order to study how others write Flask-based web sites I am looking for
examples.
Searching GitHub for "Flask" brings a lot of results, but as I can see most
of them are extension to Flask.
I am interested in full web sites.

regards
     Gabor
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From davidism at gmail.com  Sat Mar 19 19:01:15 2016
From: davidism at gmail.com (David Lord)
Date: Sat, 19 Mar 2016 16:01:15 -0700
Subject: [Flask] I am looking for Flask-based web sites and applications
In-Reply-To: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
References: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
Message-ID: <56EDDA3B.3080909@gmail.com>

The Flask website is written in Flask, and also has a small list of apps 
written with it http://flask.pocoo.org/community/poweredby/.  I maintain 
https://github.com/sopython/sopython-site, a Flask app for the Stack 
Overflow Python community.

On 03/19/2016 12:11 PM, Gabor Szabo wrote:
> Hi,
>
> in order to study how others write Flask-based web sites I am looking
> for examples.
> Searching GitHub for "Flask" brings a lot of results, but as I can see
> most of them are extension to Flask.
> I am interested in full web sites.
>
> regards
>       Gabor
>
>
>
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
>

From ford.anthonyj at gmail.com  Sat Mar 19 20:04:51 2016
From: ford.anthonyj at gmail.com (Anthony Ford)
Date: Sat, 19 Mar 2016 20:04:51 -0400
Subject: [Flask] I am looking for Flask-based web sites and applications
In-Reply-To: <56EDDA3B.3080909@gmail.com>
References: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
 <56EDDA3B.3080909@gmail.com>
Message-ID: <CABC5zqhvxWbW9Y1Hamrp_k6AJ-bF7x4dk_CFeuySRKmTtsW5Zg@mail.gmail.com>

While nothing is available publicly, I have three Flask applications
running at the Arecibo Observatory (http://www.naic.edu/).

One is designed for monitoring and controlling the cryogenics system. One
for controlling a developmental piece of HW (should only be a temporary
system, but it's been running for 3yrs). And the last is a relatively new
data entry system for radar observers.

Another one I know of is the WaterDataForTexas site (
http://www.waterdatafortexas.org/reservoirs/about), run by the Texas Water
Development Board.


Anthony Ford,
KF5IBN,
ford.anthonyj at gmail.com

On Sat, Mar 19, 2016 at 7:01 PM, David Lord <davidism at gmail.com> wrote:

> The Flask website is written in Flask, and also has a small list of apps
> written with it http://flask.pocoo.org/community/poweredby/.  I maintain
> https://github.com/sopython/sopython-site, a Flask app for the Stack
> Overflow Python community.
>
>
> On 03/19/2016 12:11 PM, Gabor Szabo wrote:
>
>> Hi,
>>
>> in order to study how others write Flask-based web sites I am looking
>> for examples.
>> Searching GitHub for "Flask" brings a lot of results, but as I can see
>> most of them are extension to Flask.
>> I am interested in full web sites.
>>
>> regards
>>       Gabor
>>
>>
>>
>> _______________________________________________
>> Flask mailing list
>> Flask at python.org
>> https://mail.python.org/mailman/listinfo/flask
>>
>> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask
>
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From david at davidbaumgold.com  Sat Mar 19 20:10:27 2016
From: david at davidbaumgold.com (David Baumgold)
Date: Sat, 19 Mar 2016 20:10:27 -0400
Subject: [Flask] I am looking for Flask-based web sites and applications
In-Reply-To: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
References: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
Message-ID: <9D935848-76C2-482F-BEB6-9BD10C194974@davidbaumgold.com>

edX uses an open source Flask application to synchronize GitHub pull requests and JIRA issues, as well as a few other utilities. The code is available at https://github.com/edx/openedx-webhooks, it is running at https://openedx-webhooks.herokuapp.com, and there is even some documentation available at http://openedx-webhooks.readthedocs.org. I originally wrote and maintained this application, but I am no longer employed by edX.

David Baumgold

> On Mar 19, 2016, at 3:11 PM, Gabor Szabo <gabor at szabgab.com> wrote:
> 
> Hi,
> 
> in order to study how others write Flask-based web sites I am looking for examples.
> Searching GitHub for "Flask" brings a lot of results, but as I can see most of them are extension to Flask.
> I am interested in full web sites.
> 
> regards
>      Gabor
> 
> _______________________________________________
> Flask mailing list
> Flask at python.org
> https://mail.python.org/mailman/listinfo/flask

From dmarv at dop.com  Sun Mar 20 02:44:41 2016
From: dmarv at dop.com (Dale Marvin)
Date: Sat, 19 Mar 2016 23:44:41 -0700
Subject: [Flask] I am looking for Flask-based web sites and applications
In-Reply-To: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
References: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
Message-ID: <56EE46D9.8070103@dop.com>

On 3/19/16 12:11 PM, Gabor Szabo wrote:
> Hi,
>
> in order to study how others write Flask-based web sites I am looking
> for examples.

Hi Gabor,

I found Miguel Grinberg's book and tutorials to be very valuable when I 
was leaning Flask.

<http://blog.miguelgrinberg.com/category/Flask>

Dale


From gabor at szabgab.com  Mon Mar 21 14:05:02 2016
From: gabor at szabgab.com (Gabor Szabo)
Date: Mon, 21 Mar 2016 20:05:02 +0200
Subject: [Flask] I am looking for Flask-based web sites and applications
In-Reply-To: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
References: <CABe4FJDe54BEd_i7QQr-zk46B6eWbQ_Yi4yoaG8vehARbXp-tQ@mail.gmail.com>
Message-ID: <CABe4FJATe_LHRHwCbcbzW0sn4_Hq0j8oBg-hsoFXms8kZ0PXew@mail.gmail.com>

Thanks for all the suggestions. I am looking into these now.

regards
  Gabor
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From hsysinfo at gmail.com  Tue Mar 22 05:46:00 2016
From: hsysinfo at gmail.com (Chukwudi Nwachukwu)
Date: Tue, 22 Mar 2016 10:46:00 +0100
Subject: [Flask] Stackoverflow Chat Channel
Message-ID: <CAKBXtw_des07GvK=FUaR=YpN-EiBZWQi4bo_xL2Z2Hk8ZhgJ8g@mail.gmail.com>

Dear All,

I created this chat channel http://chat.stackoverflow.com/rooms/106995/flask
today to help us chat in real time, if there are issues to be solved.

It's public, please feel free to use it. Thanks to Armin Ronacher and
others for the gift of Flask: a wonderful framework that helps me pay my
bills.

.

iChux?
http://bit.ly/iscrape
*Behind every no entry sign, there is a door.*
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From gabor at szabgab.com  Fri Mar 25 05:37:40 2016
From: gabor at szabgab.com (Gabor Szabo)
Date: Fri, 25 Mar 2016 12:37:40 +0300
Subject: [Flask] Deploying Flask using uWSGI and Nginx on Ubuntu
Message-ID: <CABe4FJDc2stmLUrG2tDDG=wTqE861UkDQnC+CO_o39SFDCEm-Q@mail.gmail.com>

Hi,

I've put together a little tutorial deploying Flask on uWSGI and Nginx from
scratch:

http://code-maven.com/deploying-python-flask-using-uwsgi-on-ubuntu-14-04

I'd be happy if you could review it and let me know how could it be improved
or if you'd recommend other environment for running Flask.

regards
   Gabor
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