Python Subprocess Oserror Exec Format Error
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us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just enoexec like you, helping each other. Join them; it only takes a minute: Sign up OSError: [Errno 8] Exec format error up vote 6 down vote favorite 4 I am having hard time parsing the arguments to subprocess.Popen. I am trying to execute a script on my Unix server. The script syntax when running on shell prompt call shell script from python is as follows: /usr/local/bin/script hostname =
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Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges http://stackoverflow.com/questions/27606653/oserror-errno-8-exec-format-error Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Python raise child_exception OSError: [Errno 8] Exec format error up vote 4 down http://stackoverflow.com/questions/16925909/python-raise-child-exception-oserror-errno-8-exec-format-error vote favorite 1 I have to move a python script from a server that use Python 2.6 to another on that uses 2.4. I had to make some modifications. now im stuck. i keep on getting this error File "subprocess.py", line 975, in _execute_child raise child_exception OSError: [Errno 8] Exec format error my log ouput: Traceback (most recent call last): File "/cnfs/dev/regions/que/cli/rpntrans_requests/scripts/0.6a/process.py", line 281, in ? process(filename) File "/cnfs/dev/regions/que/cli/rpntrans_requests/scripts/0.6a/process.py", line 259, in process outputs = transformations[tr.tag](file).execute() File "/cnfs/dev/regions/que/cli/rpntrans_requests/scripts/0.6a/process.py", line 114, in execute t.execute() File "/cnfs/dev/regions/que/cli/rpntrans/current/rpntrans.py", line 113, in execute last_step.execute() File "/cnfs/dev/regions/que/cli/rpntrans/current/rpntrans.py", line 941, in execute stdout=sys.stdout, stderr=sys.stderr File "subprocess.py", line 413, in call return Popen(*args, **kwargs).wait() File "subprocess.py", line 543, in __init__ errread, errwrite) File "subprocess.py", line 975, in _execute_child raise child_exception OSError: [Errno 8] Exec format error code from rpntrans.py subprocess.call([ os.path.join(module_root, 'bin/fst2r2c'), file, v_name, str(r.i
here for a quick overview of the site Help Center Detailed answers to any questions you might have http://stackoverflow.com/questions/5345253/why-is-subprocess-throwing-oserror-here Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with https://recalll.co/app/?q=python%20-%20OSError%3A%20%5BErrno%208%5D%20Exec%20format%20error%20-%20Stack%20Overflow us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just exec format like you, helping each other. Join them; it only takes a minute: Sign up Why is subprocess throwing OSError here? up vote 6 down vote favorite I have written my own module, mainly handling a filefield for a django site. After messing around with some things related to mod_wsgi (solved by updating to 3.3), i got exec format error my code to run. Right after all the necessary imports, before defining any classes or functions, i test for the availability of sox, an audiocommandlinetool essential to some of my modules functions: sox = 'path/to/sox' test=subprocess.Popen([sox,'-h'], shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE) error=test.communicate()[1] if error: raise EnvironmentError((1,'Sox not installed properly'),) This worked fine. Now i have updated ubuntu from 8.04 to 10.04 and the code aborts on the line of the call to subprocess.Popen, throwing the following error message: File "/usr/lib/python2.6/subprocess.py", line 1139, in _execute_child raise child_exception OSError: [Errno 8] Exec format error I already looked for execution rights of sox, i have no other idea where to look for a solution of this. Can subprocess execution rights be limited? Any hints what could be going on here? python django ubuntu mod-wsgi share|improve this question asked Mar 17 '11 at 21:07 marue 2,22512448 2 What happens if you run subprocess with option shell=True and execute the app as you normally would in the console, like for example, test=subprocess.Popen("/path/to/sox
issue: To fix it, just add the shebang e.g., if it is a shell script; prepend #!/bin/sh at the top of your script: >>> with open('a','w') as f: f.write('#!/bin/sh\nexit 0') ... >>> os.execl('./a', './a') exit 0 On POSIX systems, shell parses the command line i.e., your script won't see spaces around = e.g., if script is: #!/usr/bin/env python import sys print(sys.argv) then running it in the shell: $ /usr/local/bin/script hostname = '