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-rw-r--r--Lib/py_compile.py13
1 files changed, 10 insertions, 3 deletions
diff --git a/Lib/py_compile.py b/Lib/py_compile.py
index 16dc0a0..8e9dd57 100644
--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -69,8 +69,15 @@ class PycInvalidationMode(enum.Enum):
UNCHECKED_HASH = 3
+def _get_default_invalidation_mode():
+ if os.environ.get('SOURCE_DATE_EPOCH'):
+ return PycInvalidationMode.CHECKED_HASH
+ else:
+ return PycInvalidationMode.TIMESTAMP
+
+
def compile(file, cfile=None, dfile=None, doraise=False, optimize=-1,
- invalidation_mode=PycInvalidationMode.TIMESTAMP):
+ invalidation_mode=None):
"""Byte-compile one Python source file to Python bytecode.
:param file: The source file name.
@@ -112,8 +119,8 @@ def compile(file, cfile=None, dfile=None, doraise=False, optimize=-1,
the resulting file would be regular and thus not the same type of file as
it was previously.
"""
- if os.environ.get('SOURCE_DATE_EPOCH'):
- invalidation_mode = PycInvalidationMode.CHECKED_HASH
+ if invalidation_mode is None:
+ invalidation_mode = _get_default_invalidation_mode()
if cfile is None:
if optimize >= 0:
optimization = optimize if optimize >= 1 else ''