You are right!
please can you explain to me the difference between and argument and a
query parameter?

Oh my God, i had almost a week this issue which you helped me resolve!
Thank you !!!

Στις Δευ, 10 Σεπ 2018 στις 3:11 μ.μ., ο/η Graham Dumpleton <
[email protected]> έγραψε:

>
>
> On 10 Sep 2018, at 10:08 pm, Νικόλαος Κούρας <[email protected]> wrote:
>
> /home/nikos/wsgi/ i places my apps and static remains at public_html
> Configuration now is:
>
> DocumentRoot /home/nikos/public_html
>
> <Directory /home/nikos/public_html>
>     Require all granted
> </Directory>
>
> <Directory /home/nikos/wsgi>
>     Require all granted
> </Directory>
>
>
> WSGIDaemonProcess app user=nikos group=nikos home=/home/nikos/public_html
> WSGIScriptAliasMatch ^/(?!phpmyadmin) /home/nikos/public_html/wsgi/app.py 
> process-group=app application-group=%{GLOBAL}
>
> WSGIDaemonProcess clientele user=nikos group=nikos 
> home=/home/nikos/public_html
> WSGIScriptAlias /clientele /home/nikos/public_html/wsgi/clientele.py 
> process-group=clientele application-group=%{GLOBAL}
>
> WSGIDaemonProcess downloads user=nikos group=nikos 
> home=/home/nikos/public_html
> WSGIScriptAlias /downloads /home/nikos/public_html/wsgi/downloads.py 
> process-group=downloads application-group=%{GLOBAL}
>
> =========================
>
> I haven't understood your last mail.
>
> @app.route( '/' )
> @app.route( '/<page>' )
> def index( page=None ):
>
>       # read environment
>       pdata = ''
>       page = request.args.get('page', 'index.html')
>
> You are overriding the 'page' argument given to the function, which is
> what you want, with the value of the 'page' query string parameter, which
> is a completely different thing, but because it isn't passed, falls back to
> using 'index.html'.
>
> Comment out the line:
>
>     page = request.args.get('page', 'index.html')
>
> Do not use that.
>
>
> 'page' variable is supposed to hold the URL parameter givn in browser as 
> 'http://superhost.gr/something <http://superhost.gr/somehting>' no?!
>
> It should instead be page = request.args.get(page, 'index.html') you mean?!
>
> But why?!
>
>
> Στις Δευ, 10 Σεπ 2018 στις 2:59 μ.μ., ο/η Graham Dumpleton <
> [email protected]> έγραψε:
>
>> Okay, no I clicked as to what you are trying to do.
>>
>> If you want the path segment, don't use:
>>
>>     page = request.args.get('page', 'index.html')
>>
>> Just use the argument given to the function.
>>
>> When you use request.args you are looking at query string parameters.
>>
>>     http://superhost.gr?page=xxx.html
>> <http://superhost.gr/?page=xxx.html>
>>
>> They are different things.
>>
>> On 10 Sep 2018, at 9:56 pm, Νικόλαος Κούρας <[email protected]> wrote:
>>
>> [root@superhost public_html]# curl http://superhost.gr
>> index.html
>>
>> [root@superhost public_html]# curl http://superhost.gr/clientele
>> index.html <http://superhost.gr/clienteleindex.html>
>>
>> As it shows even with an argument passed to the domain '/'   page = 
>> request.args.get('page', 'index.html') returns the latter
>>
>>
>> Also:
>>
>> application = Flask(__name__)
>> app = application
>> app.debug = True
>>
>>
>> Wont display error in browser but still in the error_log text file
>>
>>
>> Στις Δευ, 10 Σεπ 2018 στις 2:47 μ.μ., ο/η Graham Dumpleton <
>> [email protected]> έγραψε:
>>
>>> It should not be anywhere under /home/nikos/public_html, not even a sub
>>> directory.
>>>
>>> So use a parallel directory such as:
>>>
>>>     /home/nikos/wsgi_apps
>>>
>>> When testing use:
>>>
>>>     curl http://superhost.gr/
>>>
>>> Don't trust your browser, as it may have cached that accessing
>>> http://superhost.gr/ should redirect to http://superhost.gr/index.html
>>>
>>> If curl works, you will need to clear your browser cache history for
>>> http://superhost.gr/
>>>
>>> On 10 Sep 2018, at 9:34 pm, Νικόλαος Κούρας <[email protected]> wrote:
>>>
>>> Like this you mean? ialso moved static/ files inside the new wsgi/ 
>>> directory because even with the directive in the alias 
>>> home=/home/nikos/public_html templates could not be found
>>>
>>> ====================================
>>>
>>> DocumentRoot /home/nikos/public_html
>>>
>>> <Directory /home/nikos/public_html>
>>>     Require all granted
>>> </Directory>
>>>
>>> <Directory /home/nikos/public_html/wsgi>
>>>     Require all granted
>>> </Directory>
>>>
>>>
>>> WSGIDaemonProcess app user=nikos group=nikos
>>> WSGIScriptAliasMatch ^/(?!phpmyadmin) /home/nikos/public_html/wsgi/app.py 
>>> process-group=app application-group=%{GLOBAL}
>>>
>>> WSGIDaemonProcess clientele user=nikos group=nikos
>>> WSGIScriptAlias /clientele /home/nikos/public_html/wsgi/clientele.py 
>>> process-group=clientele application-group=%{GLOBAL}
>>>
>>> WSGIDaemonProcess downloads user=nikos group=nikos
>>> WSGIScriptAlias /downloads /home/nikos/public_html/wsgi/downloads.py 
>>> process-group=downloads application-group=%{GLOBAL}
>>>
>>> ====================================
>>>
>>>
>>> Still the ERROR remains the same after moving to wsgi/
>>>
>>>
>>> Στις Δευ, 10 Σεπ 2018 στις 1:47 μ.μ., ο/η Graham Dumpleton <
>>> [email protected]> έγραψε:
>>>
>>>>
>>>>
>>>> On 10 Sep 2018, at 8:34 pm, Νικόλαος Κούρας <[email protected]> wrote:
>>>>
>>>> 1) How do i enable flask so that errors are shown in the browser for
>>>> m, so i dont have to tail -f error_log all the time?
>>>>
>>>> When i was using the flask development server i had this
>>>>
>>>> app.run( host='superhost.gr', port=5000, debug=True )
>>>>
>>>> Now i have commented this out becuas eitsw being run by mod_wsgi and
>>>> its sending everythign to the error_log text file.
>>>>
>>>>
>>>> You use:
>>>>
>>>>     app.debug = True
>>>>
>>>> See:
>>>>
>>>>
>>>> http://flask.pocoo.org/docs/1.0/api/?highlight=flask%20debug#flask.Flask.debug
>>>>
>>>> 2) Regarding this code which not behalfing as it should
>>>>
>>>> @app.route( '/<page>' )
>>>> @app.route( '/' )
>>>> def index( page=None ):
>>>>
>>>> # read environment
>>>> page = request.args.get('page', 'index.html')
>>>>
>>>> When i try via browser:
>>>>
>>>> 'http://superhost.gr/' page variable equals to 'index.html'
>>>> 'http://superhost.gr/something' page variable still equals to
>>>> 'index.html'
>>>>
>>>> How is this possbile under mod_wsgi ?
>>>>
>>>>
>>>> You shouldn't get index.html in either case if doing things correctly.
>>>>
>>>> The issue may because if I recollect correctly, you had all your .py
>>>> files for the WSGI application under your DocumentRoot directory. You
>>>> should not do that as it can be insecure and wrong configuration elsewhere
>>>> can lead to someone being able to download your source code. Having things
>>>> in their could also cause issues with Apache trying to remap URLs to index
>>>> files.
>>>>
>>>> Create a directory separate to your DocumentRoot directory and move the
>>>> .py files into it. Then change the WSGIScriptAlias directives to reference
>>>> the new location. You will also need to create a new Directory block for
>>>> the new directory and grant access to being able to serve files from that
>>>> directory.
>>>>
>>>>
>>>>
>>>> Στις Δευ, 10 Σεπ 2018 στις 5:05 π.μ., ο/η Graham Dumpleton <
>>>> [email protected]> έγραψε:
>>>>
>>>>>
>>>>>
>>>>> On 10 Sep 2018, at 11:52 am, Νίκος Βέργος <
>>>>> [email protected]> wrote:
>>>>>
>>>>> Graham i know you helped me a lot but my script cannot work if i don;t
>>>>> het this oe sorted out and i'am trying for hours allready.
>>>>>
>>>>> Please do help.
>>>>>
>>>>>
>>>>> I have 3 wsgi scripts listening on 3 locations. What i'm trying to run
>>>>> an wsgi script from within another wsgi script with the following 
>>>>> statement.
>>>>>
>>>>>
>>>>> page = 'clientele'
>>>>> pdata = requests.get( 'http://superhost.gr/' + page )
>>>>> pdata = pdata.text + counter
>>>>>
>>>>> Have you tried to add print() statements into your code, when it is
>>>>> running and what variables are at each point? If you use print(), what you
>>>>> print will appear in the Apache error log so you can see it. As per 
>>>>> example
>>>>> in requests docs at:
>>>>>
>>>>> http://docs.python-requests.org/en/master/
>>>>>
>>>>> you don't even appear to check the response status code. Check such
>>>>> things, print out the values and see what it is getting.
>>>>>
>>>>> page = the location of another wsgi app.
>>>>>
>>>>> The error i'am getting when for i.e i try to load
>>>>> http://superhost.gr/clientele
>>>>>
>>>>>
>>>>> mod_wsgi (pid=7152): Exception occurred processing WSGI script 
>>>>> '/home/nikos/public_html/app.py'
>>>>> OSError: Apache/mod_wsgi failed to write response data: Broken pipe.
>>>>>
>>>>> This specific message from mod_wsgi indicates that the HTTP client
>>>>> making the request dropped the connection before the server could write 
>>>>> the
>>>>> response.
>>>>>
>>>>> So possibly an error is occurring in app.py if that is what is calling
>>>>> it.
>>>>>
>>>>> Have you enabled Flask debug so that errors are shown in the browser
>>>>> for you. If you don't, Flask will just return a 500 error and may not
>>>>> actually log anything about the error. You may need to set up Flask 
>>>>> logging
>>>>> so that it logs details of exceptions to the error log.
>>>>>
>>>>> http://flask.pocoo.org/docs/1.0/logging/#logging
>>>>>
>>>>> The other script by itself executes normally but NOT from within my
>>>>> app.py script.
>>>>>
>>>>> Any ideas on how to execute a wsgi app (b) from within a wsgi app(a)
>>>>> and store the response as html data?
>>>>>
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>>>>
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>>>
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>>
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