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Merge pull request #2829 from minrk/nodate...
Merge pull request #2829 from minrk/nodate avoid comparison error in dictdb hub history in rare situations, display data can arrive at the Hub before the execution request, in which case `submitted` is undefined. should address #2821, but I need to see Jenkins succeed, since that is the only place this comes up.

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pyfile.py
23 lines | 840 B | text/x-python | PythonLexer
"""Utilities for working with Python source files.
Exposes various functions from recent Python standard libraries, along with
equivalents for older Python versions.
"""
import os.path
try: # Python 3.2
from imp import source_from_cache, cache_from_source
except ImportError:
# Python <= 3.1: .pyc files go next to .py
def source_from_cache(path):
basename, ext = os.path.splitext(path)
if ext not in ('.pyc', '.pyo'):
raise ValueError('Not a cached Python file extension', ext)
# Should we look for .pyw files?
return basename + '.py'
def cache_from_source(path, debug_override=None):
if debug_override is None:
debug_override = __debug__
basename, ext = os.path.splitext(path)
return basename + '.pyc' if debug_override else '.pyo'