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  • Feature categories for a social network

    - by mafutrct
    Not sure if this question belongs on SO. Anyway, please let me try to clarify the issue. I'm currently planning a social program. It's basically a chat server with the major additional ability to play games. I'd like to create categories of features that are offered to users. My question is, are there any useful standard feature categories? Does not have to be specific to my case, I'm interested in the general case as well. Just to give you an idea of what I'm thinking: functional e.g. play games social e.g. chatting operational e.g. 24/7 service availability I'm entirely unsure if this is the right place to ask, if you know of any better site to ask please don't hesitate to add a comment.

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  • How to write a Python 2.6+ script that does gracefully fail with older pyhton?

    - by Sorin Sbarnea
    I'm using the new print from Python 3.x and I observed that the following code does not compile due to the end=' '. from __future__ import print_function import sys if sys.hexversion < 0x02060000: raise Exception("py too old") ... print("x",end=" ") # fails to compile with py24 How can I continue using the new syntax but make the script fails nicely? Is it mandatory to call another script and use only safe syntax in this one?

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  • python mock patch : a method of instance is called?

    - by JuanPablo
    In python 2.7, I have this function from slacker import Slacker def post_message(token, channel, message): channel = '#{}'.format(channel) slack = Slacker(token) slack.chat.post_message(channel, message) with mock and patch, I can check that the token is used in Slacker class import unittest from mock import patch from slacker_cli import post_message class TestMessage(unittest.TestCase): @patch('slacker_cli.Slacker') def test_post_message_use_token(self, mock_slacker): token = 'aaa' channel = 'channel_name' message = 'message string' post_message(token, channel, message) mock_slacker.assert_called_with(token) how I can check the string use in post_message ? I try with mock_slacker.chat.post_message.assert_called_with('#channel') but I get AssertionError: Expected call: post_message('#channel') Not called

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  • call a python function in another class from a class?

    - by user3527697
    hi i'am begginer in pYthon and openerp , i want to call a function exists in another class for example: i have 2 class : class a: def notif_personne_event(self, cr, uid,ids,context=None): and import a class b: notifier(self, cr, uid,ids,context=None): self.notifiernotif_personne_event() but when i do this an error is displayed telling me that class b have not an attribute notifiernotif_personne_event() someone help me please

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  • Install gettext-0.17-1.el5.i386.rpm on CentOS 5.8 i386 gives "/usr/bin/python is needed" error

    - by viji
    I've removed yum by mistake. So, now I'm installing all the dependencies needed by yum manually. One of those is gettext-0.17-1.el5.i386.rpm and when I try to install it gives the following error, error: Failed dependencies: /usr/bin/python is needed by gettext-0.17-1.el5.i386 which is weird since I've installed python 2.6 already in the system. #python -V Python 2.6.8 #which python /usr/local/bin/python So I copied /usr/local/bin/python to /usr/bin/python and even after that I'm getting the same error. Any help is appreciated.

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  • How to compile Python scripts for use in FORTRAN?

    - by Vincent Poirier
    Hello, Although I found many answers and discussions about this question, I am unable to find a solution particular to my situation. Here it is: I have a main program written in FORTRAN. I have been given a set of python scripts that are very useful. My goal is to access these python scripts from my main FORTRAN program. Currently, I simply call the scripts from FORTRAN as such: CALL SYSTEM ('python pyexample.py') Data is read from .dat files and written to .dat files. This is how the python scripts and the main FORTRAN program communicate to each other. I am currently running my code on my local machine. I have python installed with numpy, scipy, etc. My problem: The code needs to run on a remote server. For strictly FORTRAN code, I compile the code locally and send the executable to the server where it waits in a queue. However, the server does not have python installed. The server is being used as a number crunching station between universities and industry. Installing python along with the necessary modules on the server is not an option. This means that my “CALL SYSTEM ('python pyexample.py')” strategy no longer works. Solution?: I found some information on a couple of things in thread http://stackoverflow.com/questions/138521/is-it-feasible-to-compile-python-to-machine-code Shedskin, Psyco, Cython, Pypy, Cpython API These “modules”(? Not sure if that's what to call them) seem to compile python script to C code or C++. Apparently not all python features can be translated to C. As well, some of these appear to be experimental. Is it possible to compile my python scripts with my FORTRAN code? There exists f2py which converts FORTRAN code to python, but it doesn't work the other way around. Any help would be greatly appreciated. Thank you for your time. Vincent PS: I'm using python 2.6 on Ubuntu

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  • Beginner’s Guide to Flock, the Social Media Browser

    - by Asian Angel
    Are you wanting a browser that can work as a social hub from the first moment that you start it up? If you love the idea of a browser that is ready to go out of the box then join us as we look at Flock. During the Install Process When you are installing Flock there are two install windows that you should watch for. The first one lets you choose between the “Express Setup & Custom Setup”. We recommend the “Custom Setup”. Once you have selected the “Custom Setup” you can choose which of the following options will enabled. Notice the “anonymous usage statistics” option at the bottom…you can choose to leave this enabled or disable it based on your comfort level. The First Look When you start Flock up for the first time it will open with three tabs. All three are of interest…especially if this is your first time using Flock. With the first tab you can jump right into “logging in/activating” favorite social services within Flock. This page is set to display each time that you open Flock unless you deselect the option in the lower left corner. The second tab provides a very nice overview of Flock and its’ built-in social management power. The third and final page can be considered a “Personal Page”. You can make some changes to the content displayed for quick and easy access and/or monitoring “Twitter Search, Favorite Feeds, Favorite Media, Friend Activity, & Favorite Sites”. Use the “Widget Menu” in the upper left corner to select the “Personal Page Components” that you would like to use. In the upper right corner there is a built-in “Search Bar” and buttons for “Posting to Your Blog & Uploading Media”. To help personalize the “My World Page” just a bit more you can even change the text to your name or whatever best suits your needs. The Flock Toolbar The “Flock Toolbar” is full of social account management goodness. In order from left to right the buttons are: My World (Homepage), Open People Sidebar, Open Media Bar, Open Feeds Sidebar, Webmail, Open Favorites Sidebar, Open Accounts and Services Sidebar, Open Web Clipboard Sidebar, Open Blog Editor, & Open Photo Uploader. The buttons will be “highlighted” with a blue background to help indicate which area you are in. The first area will display a listing of people that you are watching/following at the services shown here. Clicking on the “Media Bar Button” will display the following “Media Slider Bar” above your “Tab Bar”. Notice that there is a built-in “Search Bar” on the right side. Any photos, etc. clicked on will be opened in the currently focused tab below the “Media Bar”. Here is a listing of the “Media Streams” available for viewing. By default Flock will come with a small selection of pre-subscribed RSS Feeds. You can easily unsubscribe, rearrange, add custom folders, or non-categorized feeds as desired. RSS Feeds subscribed to here can be viewed combined together as a single feed (clickable links) in the “My World Page”. or can be viewed individually in a new tab. Very nice! Next on the “Flock Toolbar is the “Webmail Button”. You can set up access to your favorite “Yahoo!, Gmail, & AOL Mail” accounts from here. The “Favorites Sidebar” combines your “Browser History & Bookmarks” into one convenient location. The “Accounts and Services Sidebar” gives you quick and easy access to get logged into your favorite social accounts. Clicking on any of the links will open that particular service’s login page in a new tab. Want to store items such as photos, links, and text to add into a blog post or tweet later on? Just drag and drop them into the “Web Clipboard Sidebar” for later access. Clicking on the “Blog Editor Button” will open up a separate blogging window to compose your posts in. If you have not logged into or set up an account yet in Flock you will see the following message window. The “Blogging Window”…nice, simple, and straightforward. If you are not already logged into your photo account(s) then you will see the following message window when you click on the “Photo Uploader Button”. Clicking “OK” will open the “Accounts and Services Sidebar” with compatible photo services highlighted in a light yellow color. Log in to your favorite service to start uploading all those great images. After Setting Up Here is what our browser looked like after setting up some of our favorite services. The Twitter feed is certainly looking nice and easy to read through… Some tweaking in the “RSS Feeds Sidebar” makes for a perfect reading experience. Keeping up with our e-mail is certainly easy to do too. A look back at the “Accounts and Services Sidebar” shows that all of our accounts are actively logged in (green dot on the right side). Going back to our “My World Page” you can see how nice everything looks for monitoring our “Friend Activity & Favorite Feeds”. Moving on to regular browsing everything is looking very good… Flock is a perfect choice for anyone wanting a browser and social hub all built into a single app. Conclusion Anyone who loves keeping up with their favorite social services while browsing will find using Flock to be a wonderful experience. You literally get the best of both worlds with this browser. Links Download Flock The Official Flock Extensions Homepage The Official Flock Toolbar Homepage Similar Articles Productive Geek Tips Add Color Coding to Windows 7 Media Center Program GuideAdd Social Bookmarking (Digg This!) Links to your Wordpress BlogHow to use an ISO image on Ubuntu LinuxAdvertise on How-To GeekFixing When Windows Media Player Library Won’t Let You Add Files TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Have Fun Editing Photo Editing with Citrify Outlook Connector Upgrade Error Gadfly is a cool Twitter/Silverlight app Enable DreamScene in Windows 7 Microsoft’s “How Do I ?” Videos Home Networks – How do they look like & the problems they cause

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  • Language Club – Battle of the Dynamic Languages

    - by Ben Griswold
    After dedicating the last eight weeks to learning Ruby, it’s time to move onto another language.  I really dig Ruby.  I really enjoy its dynamism and expressiveness and always-openness and it’s been the highlight of our coding club for me so far. But that’s just my take on the language.  I know a lot of coders who’s stomachs turn with the mere thought of Ruby.  They say it’s Ruby’s openness which has them feeling uneasy.  I’d say “write a bunch of tests and get over it,” but I figure there must be more to it than always open classes and possible method collisions. Yes, there’s something else to it alright. The folks who didn’t fall head over heals for Ruby are already in love with Python.  You might remember that Python was the first language we tackled in our coding club.  My time with Python was okay but it didn’t feel as natural to me as Ruby.  But let’s say we started with Ruby and then moved onto Python.  Would I see Python in a different light right now.  Might I even prefer Python over Ruby?  I suppose it’s possible but it’s pretty tough to test that theory – unless we visit Python for a second time. That’s right. The language club is going to focus on Python again and in my attempt to learn Python – yet again – in the open, I’ll be posting my solutions here just as I did for Ruby.  We don’t always have second chances so I going about this relearning with two primary goals in mind:  First, I’m going to use IronPython and the IronPython tools which provide a Python code editor, a file-based project system, and an interactive Python interpreter, all inside Visual Studio 2010.  As a note, the IronPython tools are now part of the main IronPython installer which is Version 2.7 Alpha 1 (not the latest stable version, 2.6.1) and I’d be crazy not to use them.  Second, I’d like to make sure I’m still learning Python without a complete MS skew so I’m going to run my code through Eclipse using the PyDev plugin as well.  Heck, I might use IDLE too. I already have this setup on my machine so it’s no big deal. Okay, that’s it for now.  I worked on the first ten Euler problems last night and the solutions will be posted shortly. Wish me luck.

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  • How to open python scripts directly by typing in their name in terminal (Mac OS X)

    - by Haffi112
    I'm working on installing django and running it on my system. I have a problem though, in this tutorial creating a project is explained by running the command django-admin.py startproject mysite My issue is that this doesn't work. I changed to the directory where django-admin.py is located and ran the command chmod +x django-admin.py with no results. I tried adding the directory with the file to my path without results. I ended up fixing my problem with this command python /location/of/django-admin.py startproject mysite which yielded the outcome I expected. My problem is: What do I need to change/configure such that command django-admin.py startproject mysite would be sufficient? Here are some experiments: 21:09~/Desktop/HI/NSN/Polls > django-admin.py startproject mysite -bash: django-admin.py: command not found 21:09~/Desktop/HI/NSN/Polls > ./django-admin.py startproject mysite -bash: ./django-admin.py: No such file or directory 21:09~/Desktop/HI/NSN/Polls > python django-admin.py startproject mysite python: can't open file 'django-admin.py': [Errno 2] No such file or directory 21:09~/Desktop/HI/NSN/Polls > /opt/local/lib/python2.4/site-packages/django/bin/django-admin.py startproject prufa1 -bash: /opt/local/lib/python2.4/site-packages/django/bin/django-admin.py: /opt/local/bin: bad interpreter: Permission denied 21:09~/Desktop/HI/NSN/Polls > sudo /opt/local/lib/python2.4/site-packages/django/bin/django-admin.py startproject prufa1Password: sudo: unable to execute /opt/local/lib/python2.4/site-packages/django/bin/django-admin.py: Permission denied 21:09~/Desktop/HI/NSN/Polls > sudo /opt/local/lib/python2.4/site-packages/django/bin/django-admin.py startproject prufa1sudo: unable to execute /opt/local/lib/python2.4/site-packages/django/bin/django-admin.py: Permission denied 21:09~/Desktop/HI/NSN/Polls > python /opt/local/lib/python2.4/site-packages/django/bin/django-admin.py startproject prufa1 21:09~/Desktop/HI/NSN/Polls > ls mysite prufa1 Final edit: The problem is solved, see Ian C's answer for the right solution. Thank you everyone for helping my out, this was very fast!

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  • Which framework would you recommend to use to add "social networking" components to a website?

    - by blueberryfields
    Given which already enables users to create and publish content, is there a service or tool which can add the standard social networking suite of components? Specifically, I'm looking quickly add functionality which allows users to friend each other, vote on/like/rank content on the site, send each other links to parts they find interesting, chat and send offline message each other. There's no specific limitation on the technology used for these components - as long as its been proven to work, and scales without issue. I'd slightly prefer a solution which is offered as a service rather than one that I have to install. Edit Some additional commenter requested clarifications - there are no restrictions that the site imposes on user identification or authentication. Feel free to assume that portion of the work is not relevant to the answers.

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  • Putting altered social media logo icons on my website, can I get sued?

    - by Håkan Bylund
    I would say most websites with a somewhat thought-through graphical design use social media icons (i.e twitter, facebook, youtube, et.c) which are altered to fit the theme and design of the site. Now, my boss insist we only use the ones provided by say facebook or twitter themselfes (in fear of getting sued or lose credability), but sometimes it just doesnt look very good on the site. What is the common practice for these things? What do you risk by using an altered logo? What should I tell my boss? I'll provide a few examples, what'd happen if I put any of these on a site?

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  • What good Social Networking Site solutions there are? [closed]

    - by ZetsubouWebmaster
    What good and free Social Networking Site solutions there are? I tried many options but most of them are either too complicated, too simple, or just do not work... I tried: Dolphin, DZOIC-Handshakes, elgg, Oxwall, SocialEngine, and some plugins for wp and other CMS. I don't need much, just: groups, chats, forums, profiles, PM, photos, pages, comments, search, statistics. Most of which included in pretty much every CMS out there, but not all.. So, what good solutions there are? Also I don't mind paying some money (I guess no more then $200), but I'd prefer if it was a free open source engine. Of course it should be PHP+MySQL based.

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  • How to add "create a new python file" to the registry

    - by Anthony
    I have Python 3.2 on a windows 7 operating system. The other day I thought that it would be convenient to add a link to create a new .py file in the right hand click "new" menu. I had worked with the registry before and looked up how to add an item to the "new" menu, but when I got to the registry under HKEY_CLASSES_ROOT the .py extension key was not there. I only know how to add something to the "new" menu using the extension key. I searched the web, but could not come up with any other ways. Python works perfectly fine, and I don't want to mess anything up by adding the extension key. So here are my questions: Will I mess up python or something else by adding a .py key?( I know it is dangerous to work with the registry, that is why I am looking for a safe solution) If not how can I go about doing this? OR Is there a different way to add "create a new python file" to the "new" menu? If so how can I do it? OR If the only way is very complicated should I forget about it? Thank you in advance. P.S I originally posted on Stack Overflow that they told me to move it over here.

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  • Broken package ubuntuone-control-panel-qt

    - by baale7
    An interrupted installation of updates resulted in ubuntuone-control-panel-qt breaking and now I cannot install or update anything. There seems to be an error in python2.7 - ImportError: No module named _sysconfigdata_nd dpkg: error processing archive ubuntuone-control-panel-qt_13.09-0ubuntu1_all.deb (--install): When I try to reinstall the package via .deb a dpkg --audit yields: The following packages are in a mess due to serious problems during installation. They must be reinstalled for them (and any packages that depend on them) to function properly: ?python-pexpect Python module for automating interactive applications ?ubuntuone-control-panel-qt Ubuntu One Control Panel - Qt frontend ?hplip-data HP Linux Printing and Imaging - data files ?python-libxml2 Python bindings for the GNOME XML library ?apport automatically generate crash reports for debugging The following packages are only half configured, probably due to problems configuring them the first time. The configuration should be retried using dpkg --configure or the configure menu option in dselect: ?python-ubuntuone-client Ubuntu One client Python libraries ?python-ubuntuone-control-panel Ubuntu One Control Panel - Python Libraries --configure or --configure -a doesn't work Any help?

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  • A business Case for Enterprise Python

    - by Srirangan
    Hi all, This will not be a "programming" question but more technology / platform related question. I'm trying to figure out whether Python can be a suitable Java alternative for enterprise / web applications. Which are the ideal cases where you would prefer to use Python instead of Java? How would a typical Python web application (databases/sessions/concurrency) perform as compared to a typical Java application? How do specific Python frameworks square up against Java based frameworks (Spring, SEAM, Grails etc.)? For businesses, switching from the Java infrastructure to a Python infrastructure .. is it too hard/expensive/resource intensive/not viable? Also shed some light on the business case for providing a Python + Google AppEngine based solution to the end customer. Will it be cost effective in an typical scenario? Sorry if I am asking too wide a question, I would have liked to keep it specific, but I need your help to evaluate Python as a whole from the perspectives of the programmers, service providing company and end business customer. For an SME, a Python/GoogleAppEngine based technology stack is a clear scalable and affordable platform. But what about a large MNC that already has a lot invested in Java. Thank you so much. I am researching this myself and will gladly share my conclusions here! Thank you, Srirangan

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  • instantiate python object within a c function called via ctypes

    - by gwk
    My embedded Python 3.3 program segfaults when I instantiate python objects from a c function called by ctypes. After setting up the interpreter, I can successfully instantiate a python Int (as well as a custom c extension type) from c main: #import <Python/Python.h> #define LOGPY(x) \ { fprintf(stderr, "%s: ", #x); PyObject_Print((PyObject*)(x), stderr, 0); fputc('\n', stderr); } // c function to be called from python script via ctypes. void instantiate() { PyObject* instance = PyObject_CallObject((PyObject*)&PyLong_Type, NULL); LOGPY(instance); } int main(int argc, char* argv[]) { Py_Initialize(); instantiate(); // works fine // run a script that calls instantiate() via ctypes. FILE* scriptFile = fopen("emb.py", "r"); if (!scriptFile) { fprintf(stderr, "ERROR: cannot open script file\n"); return 1; } PyRun_SimpleFileEx(scriptFile, scriptPath, 1); // close on completion return 0; } I then run a python script using PyRun_SimpleFileEx. It appears to run just fine, but when it calls instantiate() via ctypes, the program segfaults inside PyObject_CallObject: import ctypes as ct dy = ct.CDLL('./emb') dy.instantiate() # segfaults lldb output: instance: 0 Process 52068 stopped * thread #1: tid = 0x1c03, 0x000000010000d3f5 Python`PyObject_Call + 69, stop reason = EXC_BAD_ACCESS (code=1, address=0x18) frame #0: 0x000000010000d3f5 Python`PyObject_Call + 69 Python`PyObject_Call + 69: -> 0x10000d3f5: movl 24(%rax), %edx 0x10000d3f8: incl %edx 0x10000d3fa: movl %edx, 24(%rax) 0x10000d3fd: leaq 2069148(%rip), %rax ; _Py_CheckRecursionLimit (lldb) bt * thread #1: tid = 0x1c03, 0x000000010000d3f5 Python`PyObject_Call + 69, stop reason = EXC_BAD_ACCESS (code=1, address=0x18) frame #0: 0x000000010000d3f5 Python`PyObject_Call + 69 frame #1: 0x00000001000d5197 Python`PyEval_CallObjectWithKeywords + 87 frame #2: 0x0000000201100d8e emb`instantiate + 30 at emb.c:9 Why does the call to instantiate() fail from ctypes only? The function only crashes when it calls into the python lib, so perhaps some interpreter state is getting munged by the ctypes FFI call?

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  • Python: Best way to check for Python version in program that uses new language features?

    - by Mark Harrison
    If I have a python script that requires at least a particular version of python, what is the correct way to fail gracefully when an earlier version of python is used to launch the script? How do I get control early enough to issue an error message and exit? For example, I have a program that uses the ternery operator (new in 2.5) and "with" blocks (new in 2.6). I wrote a simple little interpreter-version checker routine which is the first thing the script would call ... except it doesn't get that far. Instead, the script fails during python compilation, before my routines are even called. Thus the user of the script sees some very obscure synax error tracebacks - which pretty much require an expert to deduce that it is simply the case of running the wrong version of python. update I know how to check the version of python. The issue is that some syntax is illegal in older versions of python. Consider this program: import sys if sys.version_info < (2, 4): raise "must use python 2.5 or greater" else: # syntax error in 2.4, ok in 2.5 x = 1 if True else 2 print x When run under 2.4, I want this result $ ~/bin/python2.4 tern.py must use python2.5 or greater and not this result: $ ~/bin/python2.4 tern.py File "tern.py", line 5 x = 1 if True else 2 ^ SyntaxError: invalid syntax (channeling for a coworker)

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  • emacs: Inferior-mode python-shell appears "lagged"

    - by Begbie00
    Hi all - I'm a Python(3.1.2)/emacs(23.2) newbie teaching myself tkinter using the pythonware tutorial found here. Relevant code is pasted below the question. Question: when I click the Hello button (which should call the say_hi function) why does the inferior python shell (i.e. the one I kicked off with C-c C-c) wait to execute the say_hi print function until I either a) click the Quit button or b) close the root widget down? When I try the same in IDLE, each click of the Hello button produces an immediate print in the IDLE python shell, even before I click Quit or close the root widget. Is there some quirk in the way emacs runs the Python shell (vs. IDLE) that causes this "lagged" behavior? I've noticed similar emacs lags vs. IDLE as I've worked through Project Euler problems, but this is the clearest example I've seen yet. FYI: I use python.el and have a relatively clean init.el... (setq python-python-command "d:/bin/python31/python") is the only line in my init.el. Thanks, Mike === Begin Code=== from tkinter import * class App: def __init__(self,master): frame = Frame(master) frame.pack() self.button = Button(frame, text="QUIT", fg="red", command=frame.quit) self.button.pack(side=LEFT) self.hi_there = Button(frame, text="Hello", command=self.say_hi) self.hi_there.pack(side=LEFT) def say_hi(self): print("hi there, everyone!") root = Tk() app = App(root) root.mainloop()

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  • Python C API from C++ app - know when to lock

    - by Alex
    Hi Everyone, I am trying to write a C++ class that calls Python methods of a class that does some I/O operations (file, stdout) at once. The problem I have ran into is that my class is called from different threads: sometimes main thread, sometimes different others. Obviously I tried to apply the approach for Python calls in multi-threaded native applications. Basically everything starts from PyEval_AcquireLock and PyEval_ReleaseLock or just global locks. According to the documentation here when a thread is already locked a deadlock ensues. When my class is called from the main thread or other one that blocks Python execution I have a deadlock. Python Cfunc1() - C++ func that creates threads internally which lead to calls in "my class", It stuck on PyEval_AcquireLock, obviously the Python is already locked, i.e. waiting for C++ Cfunc1 call to complete... It completes fine if I omit those locks. Also it completes fine when Python interpreter is ready for the next user command, i.e. when thread is calling funcs in the background - not inside of a native call I am looking for a workaround. I need to distinguish whether or not the global lock is allowed, i.e. Python is not locked and ready to receive the next command... I tried PyGIL_Ensure, unfortunately I see hang. Any known API or solution for this ? (Python 2.4)

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  • Runing bcdedit from python in Windows 2008 SP2

    - by Lee-Man
    I do not know windows well, so that may explain my dilemma ... I am trying to run bcdedit in Windows 2008R2 from Python 2.6. My Python routine to run a command looks like this: def run_program(cmd_str): """Run the specified command, returning its output as an array of lines""" dprint("run_program(%s): entering" % cmd_str) cmd_args = cmd_str.split() subproc = subprocess.Popen(cmd_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) (outf, errf) = (subproc.stdout, subproc.stderr) olines = outf.readlines() elines = errf.readlines() if Options.debug: if elines: dprint('Error output:') for line in elines: dprint(line.rstrip()) if olines: dprint('Normal output:') for line in olines: dprint(line.rstrip()) errf.close() outf.close() res = subproc.wait() dprint('wait result=', res) return (res, olines) I call this function thusly: (res, o) = run_program('bcdedit /set {current} MSI forcedisable') This command works when I type it from a cmd window, and it works when I put it in a batch file and run it from a command window (as Administrator, of course). But when I run it from Python (as Administrator), Python claims it can't find the command, returning: bcdedit is not recognized as an internal or external command, operable program or batch file Also, if I trying running my batch file from Python (which works from the command line), it also fails. I've also tried it with the full path to bcdedit, with the same results. What is it about calling bcdedit from Python that makes it not found? Note that I can call other EXE files from Python, so I have some level of confidence that my Python code is sane ... but who knows. Any help would be most appreciated.

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  • Passing C++ object to C++ code through Python?

    - by cornail
    Hi all, I have written some physics simulation code in C++ and parsing the input text files is a bottleneck of it. As one of the input parameters, the user has to specify a math function which will be evaluated many times at run-time. The C++ code has some pre-defined function classes for this (they are actually quite complex on the math side) and some limited parsing capability but I am not satisfied with this construction at all. What I need is that both the algorithm and the function evaluation remain speedy, so it is advantageous to keep them both as compiled code (and preferrably, the math functions as C++ function objects). However I thought of glueing the whole simulation together with Python: the user could specify the input parameters in a Python script, while also implementing storage, visualization of the results (matplotlib) and GUI, too, in Python. I know that most of the time, exposing C++ classes can be done, e.g. with SWIG but I still have a question concerning the parsing of the user defined math function in Python: Is it possible to somehow to construct a C++ function object in Python and pass it to the C++ algorithm? E.g. when I call f = WrappedCPPGaussianFunctionClass(sigma=0.5) WrappedCPPAlgorithm(f) in Python, it would return a pointer to a C++ object which would then be passed to a C++ routine requiring such a pointer, or something similar... (don't ask me about memory management in this case, though :S) The point is that no callback should be made to Python code in the algorithm. Later I would like to extend this example to also do some simple expression parsing on the Python side, such as sum or product of functions, and return some compound, parse-tree like C++ object but let's stay at the basics for now. Sorry for the long post and thx for the suggestions in advance.

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  • Web framework recommendation for python (webservices, auth, cache, ...)

    - by illuminated
    Hi all, Googling for the past week, but cannot finally decide which python web framework would be right for me. The web app I'm about to develop would be almost completely "pure" html with js (jQuery). Server side would have to do the following: authentication session management caching web services (almost all the on page data would be pulled with jQuery through web services) secured web services (through some form of authentication; this is for remote accessing some of the web services though other web apps, desktop/mobile applications) If there is a good tutorial/guide/idea for how to do this in Django I would be most thankfull if someone could share it as I already have experience with it. The thing that made me start thinking about other frameworks is Django's built in ORM. I know I could swap it with SQLAlchemy, but wouldn't go down that road if I'm not sure all the rest of the requirements is supported. Thanks all in advance.

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  • In python, is there anyway to have a variable be a different random number everytime?

    - by woah113
    Basically I have this: import random variable1 = random.randint(13, 19) And basically what that does is assign variable1 a random number between 13 and 19. Great. But, what I want it to do is assign a different random number between 13 and 19 to that variable every time it is called. Is there anyway I can do this? If I'm not being clear enough here's an example: import random variable1 = random.randint(13, 19) print(variable1) print(variable1) print(variable1) And the output I want would look something like this: ./script.py 15 19 13 So yeah, anyway I could do this in python? (More specifically python3. but the answer would probably be similar to a python2 answer)

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  • installing NUMPY for Mac OSX 10.7. (Lion) for use with Python

    - by user1744871
    I Need to use nltk and numpy with Python. I am a newbie to Python and initially used the python 2.7.3 that came with my mac (currently running OSX 10.7.5). I learned that the apple version of python may not be robust so I downloaded the standard version from python.org. I have downloaded the nltk program for Mac OSX 10.7. This seemed to install fine. I am trying to download and install numpy using the instructions from the scipy website. http://www.scipy.org/Installing_SciPy/Mac_OS_X. I cloned numpy from github but when I tried to build it using the following command $ python setup.py build I received the following error MacOS/Python: can't open file 'setup.py': [Errno 2] No such file or directory I also tried to build it using the scons command $ python setupscons.py scons --jobs=2 and received the following error /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python: can't open file 'setupscons.py': [Errno 2] No such file or directory Can anyone think of a possible workaround?

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