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• What's the difference between WSGI <app> and <module>?

  - by Leftium

  I followed these instructions to serve Python (Web2Py) via uWSGI. However, the web server returned an error: uWSGI Error Python application not found until I modified the config.xml config file from: <uwsgi> <pythonpath>/var/web2py/</pythonpath> <app mountpoint="/"> <script>wsgihandler</script> </app> </uwsgi> to: <uwsgi> <pythonpath>/var/web2py/</pythonpath> <module>wsgihandler</module> </uwsgi> What's the difference between <app> and <module>? Why did <module> work, but not <app>?

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• Setting up scripts in Amazon EC2 Cloud

  - by racket99

  Hello, I am currently running a few perl and python scripts on a windows pc and would like to port over to the Amazon EC2 servers running 64-bit LINUX. The scripts are basic web scrapers that go to a variety of websites, get data and then save daily as csv files. I would like to install these in the cloud and get them running in an automated way so that they will run without my intervention. Also given that I don't want to lose all the data if the instance crashes, I should also upload the csv files to Amazon S3. Any idea how I can do this? I am not terribly versed in LINUX nor do I know Perl/Python well. What is the best way for me to tackle thi

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• How do I upgrade Django 1.3.1 to 1.4? Any tips, tutorials, or warnings?

  - by hobbes3

  Django 1.4 was recently released. Almost all the information about Django 1.4 is in the release note, but I didn't see anything about how to upgrade. Should I just remove the django folder inside Python's site-packges and download 1.4? I think I originally installed Django using emerge and yum but I'm not sure if the package management systems are up-to-date with Django 1.4 yet. That might be ok on my server instance (Gentoo Linux), but on my local instance I am using virtualenvwrapper (on Mac OS 10.7), so maybe I want to create a new Python virtual environment for Djago 1.4. Or maybe not since I don't really care about backward compatibility with 1.3.1.

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• Getting error while installing mod_wsgi in centos

  - by user825904

  I have reinstalled python with enable shared [root@master mod_wsgi-3.4]# make clean rm -rf .libs rm -f mod_wsgi.o mod_wsgi.la mod_wsgi.lo mod_wsgi.slo mod_wsgi.loT rm -f config.log config.status rm -rf autom4te.cache [root@master mod_wsgi-3.4]# LD_RUN_PATH=/usr/local/lib make apxs -c -I/usr/local/include/python2.7 -DNDEBUG mod_wsgi.c -L/usr/local/lib -L/usr/local/lib/python2.7/config -lpython2.7 -lpthread -ldl -lutil -lm /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -prefer-pic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wformat-security -fno-strict-aliasing -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -pthread -I/usr/include/httpd -I/usr/include/apr-1 -I/usr/include/apr-1 -I/usr/local/include/python2.7 -DNDEBUG -c -o mod_wsgi.lo mod_wsgi.c && touch mod_wsgi.slo In file included from /usr/local/include/python2.7/Python.h:8, from mod_wsgi.c:142: /usr/local/include/python2.7/pyconfig.h:1161:1: warning: "_POSIX_C_SOURCE" redefined In file included from /usr/include/sys/types.h:26, from /usr/include/apr-1/apr-x86_64.h:127, from /usr/include/apr-1/apr.h:19, from /usr/include/httpd/ap_config.h:25, from /usr/include/httpd/httpd.h:43, from mod_wsgi.c:34: /usr/include/features.h:162:1: warning: this is the location of the previous definition In file included from /usr/local/include/python2.7/Python.h:8, from mod_wsgi.c:142: /usr/local/include/python2.7/pyconfig.h:1183:1: warning: "_XOPEN_SOURCE" redefined In file included from /usr/include/sys/types.h:26, from /usr/include/apr-1/apr-x86_64.h:127, from /usr/include/apr-1/apr.h:19, from /usr/include/httpd/ap_config.h:25, from /usr/include/httpd/httpd.h:43, from mod_wsgi.c:34: /usr/include/features.h:164:1: warning: this is the location of the previous definition mod_wsgi.c: In function ‘wsgi_server_group’: mod_wsgi.c:991: warning: unused variable ‘value’ mod_wsgi.c: In function ‘Log_isatty’: mod_wsgi.c:1665: warning: unused variable ‘result’ mod_wsgi.c: In function ‘Log_writelines’: mod_wsgi.c:1802: warning: unused variable ‘msg’ mod_wsgi.c: In function ‘Adapter_output’: mod_wsgi.c:3087: warning: unused variable ‘n’ mod_wsgi.c: In function ‘Adapter_file_wrapper’: mod_wsgi.c:4138: warning: unused variable ‘result’ mod_wsgi.c: In function ‘wsgi_python_term’: mod_wsgi.c:5850: warning: unused variable ‘tstate’ mod_wsgi.c:5849: warning: unused variable ‘interp’ mod_wsgi.c: In function ‘wsgi_python_child_init’: mod_wsgi.c:7050: warning: unused variable ‘l’ mod_wsgi.c:6948: warning: unused variable ‘interp’ mod_wsgi.c: In function ‘wsgi_add_import_script’: mod_wsgi.c:7701: warning: unused variable ‘error’ mod_wsgi.c: In function ‘wsgi_add_handler_script’: mod_wsgi.c:8179: warning: unused variable ‘dconfig’ mod_wsgi.c:8178: warning: unused variable ‘sconfig’ mod_wsgi.c: In function ‘wsgi_hook_handler’: mod_wsgi.c:9375: warning: suggest parentheses around assignment used as truth value mod_wsgi.c:9377: warning: suggest parentheses around assignment used as truth value mod_wsgi.c:9379: warning: suggest parentheses around assignment used as truth value mod_wsgi.c:9383: warning: suggest parentheses around assignment used as truth value mod_wsgi.c:9403: warning: suggest parentheses around assignment used as truth value mod_wsgi.c:9405: warning: suggest parentheses around assignment used as truth value mod_wsgi.c:9408: warning: suggest parentheses around assignment used as truth value mod_wsgi.c: In function ‘wsgi_daemon_worker’: mod_wsgi.c:10819: warning: unused variable ‘duration’ mod_wsgi.c:10818: warning: unused variable ‘start’ mod_wsgi.c: In function ‘wsgi_hook_daemon_handler’: mod_wsgi.c:13172: warning: unused variable ‘i’ mod_wsgi.c:13170: warning: unused variable ‘elts’ mod_wsgi.c:13169: warning: unused variable ‘head’ mod_wsgi.c: At top level: mod_wsgi.c:8142: warning: ‘wsgi_set_user_authoritative’ defined but not used mod_wsgi.c:15251: warning: ‘wsgi_hook_check_user_id’ defined but not used /usr/lib64/apr-1/build/libtool --silent --mode=link gcc -o mod_wsgi.la -rpath /usr/lib64/httpd/modules -module -avoid-version mod_wsgi.lo -L/usr/local/lib -L/usr/local/lib/python2.7/config -lpython2.7 -lpthread -ldl -lutil -lm

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• View Script Over SSH?

  - by user74781

  A friend, using a remote machine, ran a script that SSHed to my machine, and ran the following python script that resides on my machine: while (1): ....print "hello world" (this script simply prints 'hello world' continuously). I am now logged in to my machine. How can I see the output of the script my friend was running? if it helps, I can 'spot' the script my friend is using: me@home:~$ ps aux | grep justprint.py **friend 7494 12.8 0.3 7260 3300 ? Ss 17:24 0:06 python TEST_AREA/justprint.py** friend 7640 0.0 0.0 3320 800 pts/3 S+ 17:25 0:00 grep --color=auto just what steps should I take in order to view the "hello world" messages on my screen?

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• Can I optimize this mod_wsgi / apache file better?

  - by tomwolber

  I am new to Django/Python/ mod_wsgi, and I was wondering if I could optimize this file to reduce memory usage: ServerRoot "/home/<foo>/webapps/django_wsgi/apache2" LoadModule dir_module modules/mod_dir.so LoadModule env_module modules/mod_env.so LoadModule log_config_module modules/mod_log_config.so LoadModule mime_module modules/mod_mime.so LoadModule rewrite_module modules/mod_rewrite.so LoadModule setenvif_module modules/mod_setenvif.so LoadModule wsgi_module modules/mod_wsgi.so LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined CustomLog /home/<foo>/logs/user/access_django_wsgi.log combined ErrorLog /home/<foo>/logs/user/error_django_wsgi.log KeepAlive Off Listen 12345 MaxSpareThreads 3 MinSpareThreads 1 MaxClients 5 MaxRequestsPerChild 300 ServerLimit 4 HostnameLookups Off SetEnvIf X-Forwarded-SSL on HTTPS=1 ThreadsPerChild 5 WSGIDaemonProcess django_wsgi processes=5 python-path=/home/<foo>/webapps/django_wsgi:/home/<foo>/webapps/django_wsgi/lib/python2.6 threads=1 WSGIPythonPath /home/<foo>/webapps/django_wsgi:/home/<foo>/webapps/django_wsgi/lib/python2.6 WSGIScriptAlias /auctions /home/<foo>/webapps/django_wsgi/auctions.wsgi WSGIScriptAlias /achievers /home/<foo>/webapps/django_wsgi/achievers.wsgi

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• configuring default PYTHONPATH

  - by Shan

  I have Django application and few Django commands that I would execute through cronjobs on CentOS 5. Recently I updated my python-setuptools package, which in-turn update python-devel packages. After performing this update, the default PYTHONPATH settings for the Django commands executed through cronjob are different from the Django application which I execute from shell. Because of this mismatch my old Django cronjobs fail since the required libraries are not in path. How do I resolve this issue and ensure that both the cronjob Django commands and the Django application have the same environment?

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• pyexiv2 build error src/exiv2wrapper.hpp:32:29: error: exiv2/preview.hpp: No such file or directory

  - by Jake

  The other day I used apt-get install python-pyexiv2 on my ubuntu server, but it seems to have given me an old version. It's not compatible with the code I wrote in my local development environment so I'd like to update it. I downloaded the latest tar.gz from the website, extracted it and ran scons as per the readme. But it will not build, I get the error src/exiv2wrapper.hpp:32:29: error: exiv2/preview.hpp: No such file or directory I've also user apt-get to install libboost-python-dev and libexiv2-dev Can anyone help me on this?

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• bluetooth connection using pybluez

  - by srj0408

  I am working on bluetooth not exactly on bluetooth stack-development but to use bluetooth in one of my project. I had done all that before using some of the py-bluez commands like hciconfig, hcitool scan , then simple-agents and using serial module inside python. But that was quite random. We were able to connect only one specific device based on its bluetooth address and there was no facility of reconnection once the devices are disconnected. Now i want to try out this stuff in a sequential manner like this (i am doing that all on a RPI and for at present on ubuntu 12.04.) i) Store some names in a file along with some other information with respect to that device. ii) Run a script to find out the device in locality with those names and if any one if found, report that. For this step, i had taken a reference from BTBook , made available from MIT. Below is the script for the same, but that script only search for the single name. from bluetooth import * target_name = "XT1033" target_address = None nearby_devices = discover_devices() for address in nearby_devices: if target_name == lookup_name( address ): target_address = address break if target_address is not None: print "found target bluetooth device with address ", target_address connect_socket(target_address); else: print "could not find target bluetooth device nearby" iii) Connect the device using client sock. But i dont have any device on which i can write a simple python script. My client can be any device that will be publishing data. Now i came through a script in the same book, that actually connect to a client requesting permission to connect to server. from bluetooth import * port = 1 server_sock=BluetoothSocket( RFCOMM ) server_sock.bind(("",port)) server_sock.listen(1) client_sock, client_info = server_sock.accept() print "Accepted connection from ", client_info data = client_sock.recv(1024) print "received [%s]" % data client_sock.close() server_sock.close() here client_sock, client_info = server_sock.accept() provide the client address and port requested to be connected. Can i pass address obtained from the earlier script to this, so that it connect server to the client? iv) Then if client get disconnected, re-connect(a simple polling can be used.) All this stuff can be done using bash and py-bluez functions but i want to do that in a sequential manner.I am not a master in python but i can do some small stuff. Can any one guide me for the same or can direct me to more usefull resource through which i can continue my coding part after finding the "X", "Y" named devices.

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• How to configure Nginx to serve a variety of back-ends via multiple FCGI processes?

  - by Ben Horton

  I've seen a lot of tutorials showing one how to set up PHP/Python/Perl/RoR on nginx via various FCGI processes. None of the tutorials that I found show one how to serve multiple FCGI services off one server. How would one configure the stable nginx (nginx-0.7.64) to serve multiple FCGI processes (one for each of the above languages)? Example addresses for each FCGI process are as follows: 127.0.0.1:8080 - PHP 127.0.0.1:8081 - Python 127.0.0.1:8082 - Perl 127.0.0.1:8083 - Ruby on Rails An example configuration file that shows one how to implement multiple FCGI's off one server is really what I need. Perhaps others will benefit as well.

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• live football stats API

  - by peks

  Hi everyone, i'm looking for a service that will provide live football/soccer statistics (match and player stats, preferably) over API or RSS (or whatever), or maybe just provide easily parsable stats. Does anyone have any suggestions? Thanks in advance, Martin

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• How can I too many files upload more fast way to Cloud files in Rasckspace?

  - by andy kim

  I have a lot of image files, it's all I want to upload to RackSpace cloud files about a million in a single directory the fastest and most efficient way. but I'm use uploading python-cloudfiles script is very slow and I want to know different ways or python script code. because one by one connection upload is very slow. I think one files tar and uncompress directory is better way. but cloudfiles do not support this way. Who know any other way?

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• Can't locate API module structure `mod_wsgi'

  - by a coder

  I'm working on setting up Trac to use wsgi, and am running into trouble getting mod_wsgi working. I downloaded and installed mod_sgi. [box]# apachectl configtest httpd: Syntax error on line 214 of /etc/httpd/conf/httpd.conf: Can't locate API module structure `mod_wsgi' in file /etc/httpd/modules/mod_wsgi.so: /etc/httpd/modules/mod_wsgi.so: undefined symbol: mod_wsgi Line 214 of httpd.conf: LoadModule mod_wsgi modules/mod_wsgi.so Here is mod_wsgi.so as found on the filesystem: [box]# locate mod_wsgi.so /usr/lib64/httpd/modules/mod_wsgi.so What might I be overlooking?

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• How to check if a network path exist?

  - by MA1

  What is the best way to know if a network exist using python in linux?

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• Facebook API libary down???

  - by Domingo

  Hello. Does the official link for downloading the PHP API (http://svn.facebook.com/svnroot/platform/clients/packages/facebook-platform.tar.gz) changed? does any body know what is happening?

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• Forbidden - 403 error Apache

  - by philippe

  I was setting my local Apache server to run Python cgi, then I came with the following error: Forbidden You don't have permission to access /hw10/main.cgi on this server. What I've changed on my http config file was: ScriptAlias /cgi-bin/ "/var/www/cgi-bin/" <Directory "/var/www/cgi-bin"> AllowOverride None Options FollowSymLinks +ExecCGI Order allow,deny Allow from all Require all granted </Directory> AddHandler cgi-script .cgi .py May someone please help me with that? I was trying to configure my Apache server to run .cgi Python scripts, and I came across that.

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• How to add/update lotus notes signature 8.5 from C# using API

  - by faris

  I want build a third party tool to make our employees fill the Contact Form information , and then make him able to add his information as a signature image to the Lotus notes .. so if the customer want to send a new email , the signature will be added automatically to the email .. I use lotus notes V. 8.5 .. But how I can do it ,, is there any API available to make this happens ? I appreciates any help ...

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• Using Javascript to call the Azure Blob Storage REST API

  - by user350829

  I'm developing a Flash app that saves files to the Azure Blob Storage API. I've learned that you should use the REST API directly rather than a go-between WCF service as this is the most efficient (using a web role is a bottleneck). The problem is that Flash can't do PUT or DELETE methods over Http and has to use external Javascript. This is not an area that I'm familiar with and need some advice/links to examples of using Javascript to work with the Storage API (I've obviously Googled this to no avail). Is this even possible? The Javascript would be hosted in a web role on the same domain. Many thanks, Ed

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• How should I pass an object wrapping an API to a class using that API?

  - by Billy ONeal

  Hello everyone :) This is a revised/better written version of the question I asked earlier today -- that question is deleted now. I have a project where I'm getting started with Google Mock. I have created a class, and that class calls functions whithin the Windows API. I've also created a wrapper class with virtual functions wrapping the Windows API, as described in the Google Mock CheatSheet. I'm confused however at how I should pass the wrapper into my class that uses that object. Obviously that object needs to be polymorphic, so I can't pass it by value, forcing me to pass a pointer. That in and of itself is not a problem, but I'm confused as to who should own the pointer to the class wrapping the API. So... how should I pass the wrapper class into the real class to facilitate mocking?

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• Facebook fbrocket api for android

  - by venka reddy

  Hi, i want to develop an application that take email and password of facebook as input, and gets the friends list from facebook. For this i am using fbrocket.jar api. But i can't login into the account of facebook through android mobile. Is this fbrocket.jar api enough or not?. Is there any facebook api .jar for android? any one can resolv my problem . plz clarify my doubts. ThanQ.

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• Get json from Twitter API in iPhone using JSON Framework

  - by jozei

  Hello now I'm trying to get json data from Twitter API using iPhone. I'm using JSON Framework. This code has good results. #import "JSON/JSON.h" NSString *urlString= @"http://api.twitter.com/1/statuses/public_timeline.json"; NSURL *url = [NSURL URLWithString:urlString]; NSString *jsonString = [NSString stringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:nil]; NSLog(@"%@", jsonString); But when I change API's URL like "http://search.twitter.com/trends/current.json" the above code gets SIGABRT error. Could someone explain it to me? Thanks.

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• RPX API Call auth_info is returning "missing parameter" error

  - by James Lawruk

  I cannot get the RPX auth_info API call to work. It keeps returning the error: "Missing parameter: apiKey" I am using the C# RPX Helper Class provided on their Wiki:RPX Helper Class Below is my code in my Page_Load method. The RPX service works by sending a POST to a Url that I specify. My code gets the token from the post data shown below. Then I call the AuthInfo API method. string token = Request.Params["token"]; string apiKey = "xxxxxxxxxxxxxxx"; //my API key Rpx rpx = new Rpx(apiKey, "http://rpxnow.com"); XmlElement xmlElement = rpx.AuthInfo(token); Everything looks good. The token is populated. Within their code, the "apiKey" value pair is added to the post data written to the Request stream. Has anyone had luck with this? Any ideas why this is not working? Thanks.

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• Memory allocation included in API

  - by gurugio

  If there is the 'struct foo' and an APIs which handle foo, which is more flexible and convenient API? 1) API only initialize foo. User should declare foo or allocate memory for foo. The this style is like pthread_mutex_init/pthread_mutex_destroy. example 1) struct foo a; init_foo(&a);' example 2) struct foo *a; a = malloc(sizeof(struct foo)); init_foo(a); 2) API allocates memory and user get the pointer. This is like getaddrinfo/freeaddrinfo. example) struct foo *a; get_foo(&a); put_foo(a);

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• How to post HTML content in facebook wall using facebook api in php

  - by Elankeeran

  How to post HTML content in facebook wall using facebook api in php I have used below codes but not working $result = $facebook->api('/me/feed/','post',array( 'message' => '<h1>This is my demo Face book application!</h1>')); And I used as below code using php concatenate the HTML string $result = $facebook->api('/me/feed/','post',array( 'message' => 'This is my demo Facebook application!' . $htmlStr)); but not working and getting below error OAuthException: (#1) An unknown error occurred Any please help me.

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• WPF application which calls an API, which needs a message pump

  - by Griffin

  I have a WPF application that calls an API to operate a device (a scanner). This API is COM based, and internally has a hidden window that the scanner sends messsages too. The intent of the API is to turn those windows messages into COM events. The problem is that the WPF application doesn't have a message pump, and therefore none of the messages are being delivered to the hidden window. Therefore none of the events are fired and it looks like the scanner is not responding. How should I create a message loop in the WPF application that will be able to dispatch messages to the invisible window?

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