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Merge pull request #1229 from takluyver/i1225...
Merge pull request #1229 from takluyver/i1225 Fix display of SyntaxError in Python 3, plus various cleanups to exception-handling machinery. Closes #1225.

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r5851:8b789ce2
r5881:83dea09a merge
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pyfile.py
23 lines | 840 B | text/x-python | PythonLexer
Thomas Kluyver
Find .py files for verbose tracebacks, rather than trying to tokenize .pyc files.
r5851 """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'