27 lines
639 B
Python
27 lines
639 B
Python
"""Some helper functions that don't fit anywhere else."""
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import os, errno, fcntl
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def join(between, l):
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return between.join(l)
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def unlink(f):
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"""Delete a file at path 'f' if it currently exists.
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Unlike os.unlink(), does not throw an exception if the file didn't already
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exist.
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"""
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try:
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os.unlink(f)
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except OSError, e:
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if e.errno == errno.ENOENT:
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pass # it doesn't exist, that's what you asked for
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def close_on_exec(fd, yes):
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fl = fcntl.fcntl(fd, fcntl.F_GETFD)
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fl &= ~fcntl.FD_CLOEXEC
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if yes:
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fl |= fcntl.FD_CLOEXEC
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fcntl.fcntl(fd, fcntl.F_SETFD, fl)
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