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Close stdout/stderr file handles explicitly

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1 parent ead91a0 commit f8aee4d1c1ec6bc681f1d94b2e819796b519924b = committed Apr 1, 2013
Showing with 9 additions and 0 deletions.
  1. +9 −0 Bio/Application/
@@ -449,6 +449,15 @@ def __call__(self, stdin=None, stdout=True, stderr=True,
if not stderr:
assert not stderr_str, stderr_str
return_code = child_process.returncode
+ #Particularly important to close handles on Jython and PyPy
+ #(where garbage collection is less predictable) and on Windows
+ #(where cannot delete files with an open handle):
+ if stdout and isinstance(stdout, basestring):
+ stdout_arg.close()
+ if stderr and isinstance(stderr, basestring) and stdout != stderr:
+ stderr_arg.close()
if return_code:
raise ApplicationError(return_code, str(self),
stdout_str, stderr_str)

1 comment on commit f8aee4d

peterjc commented on f8aee4d Apr 2, 2013

Looks like my Windows machine has lost my git user settings or something, but this change was by me.

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