Databases
StackOverflow2013
Postsdbo
PO"The system cannot find the file specified" when invoking subprocess.Popen in python
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO"The system cannot find the file specified" when invoking subprocess.Popen in python
    text
    copied!<p>I'm trying to use svnmerge.py to merge some files. Under the hood it uses python, and when I use it I get an error - "The system cannot find the file specified". Colleagues at work are running the same version of svnmerge.py, and of python (2.5.2, specifically r252:60911) without an issue.</p> <p>I found <a href="http://www.nabble.com/problem-under-some-windows-desktop-td15868057.html" rel="nofollow noreferrer">this link</a>, which describes my problem. Trying what was outlined there, I confirmed Python could find svn (it's in my path):</p> <pre> P:\>python Python 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import os >>> i,k = os.popen4("svn --version") >>> i.close() >>> k.readline() 'svn, version 1.4.2 (r22196)\n' </pre> <p>Looking at the svnmerge.py code, though, I noticed for python versions 2.4 and higher it was following a different execution path. Rather than invoking os.popen4() it uses subprocess.Popen(). Trying that reproduces the error:</p> <pre> C:\>python Python 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import subprocess >>> p = subprocess.Popen("svn --version", stdout=subprocess.PIPE, >>> close_fds=False, stderr=subprocess.PIPE) Traceback (most recent call last): File "", line 1, in File "C:\Python25\lib\subprocess.py", line 594, in __init__ errread, errwrite) File "C:\Python25\lib\subprocess.py", line 816, in _execute_child startupinfo) WindowsError: [Error 2] The system cannot find the file specified >>> </pre> <p>For now, I've commented out the 2.4-and-higher specific code, but I'd like to find a proper solution.</p> <p>If it's not obvious, I'm a complete python newbie, but google hasn't helped. Any pointers?</p>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload