On Nov 19, 1:03 pm, Catherine Moroney <[EMAIL PROTECTED]> wrote: > I have one script (Match1) that calls a Fortran executable as a > sub-process, and I want to write another script (Match4) that > spawns off several instances of Match1 in parallel and then waits > until they all finish running. The only way I can think of doing this > is to call it as a sub-process, rather than directly. > > I'm able to get Match1 working correctly in isolation, using the > subprocess.Popen command, but calling an instance of Match1 as a > subprocess spawned from Match4 isn't working. > > The command (stored as an array of strings) that I'm executing is: > > ['python ../src_python/Match1.py ', > '--file_ref=MISR_AM1_GRP_ELLIPSOID_GM_P228_O003571_BF_F03_0024.hdf ', > '--file_cmp=MISR_AM1_GRP_ELLIPSOID_GM_P228_O003571_DF_F03_0024.hdf ', > '--block_start=62 ', '--block_end=62 ', '--istep=16 ', "--chmetric='M2' > ", "--use_textid='true '"] > > and I'm calling it as: > > sub1 = subprocess.Popen(command) > > I get the error below. Does anybody know what this error refers > to and what I'm doing wrong? Is it even allowable to call another > script as a sub-process rather than calling it directly? > > File "../src_python/Match4.py", line 24, in RunMatch4 > sub1 = subprocess.Popen(command1) > File "/usr/lib64/python2.5/subprocess.py", line 593, in __init__ > errread, errwrite) > File "/usr/lib64/python2.5/subprocess.py", line 1051, in _execute_child > raise child_exception > OSError: [Errno 2] No such file or directory > > Thanks for any help, > > Catherine
Try giving an absolute path to the python file rather than a relative path. I don't think the subprocess module "knows" where to look otherwise. Mike -- http://mail.python.org/mailman/listinfo/python-list
