rpmlint/rpmlint-1.10-py37mtime.patch
2018-06-02 14:40:46 -04:00

58 lines
2.8 KiB
Diff

diff -up rpmlint-rpmlint-1.10/FilesCheck.py.py37mtime rpmlint-rpmlint-1.10/FilesCheck.py
--- rpmlint-rpmlint-1.10/FilesCheck.py.py37mtime 2018-06-02 14:29:53.035453468 -0400
+++ rpmlint-rpmlint-1.10/FilesCheck.py 2018-06-02 14:32:55.430860108 -0400
@@ -377,6 +377,27 @@ def py_demarshal_long(b):
return (b[0] + (b[1] << 8) + (b[2] << 16) + (b[3] << 24))
+def pyc_magic_from_chunk(chunk):
+ """From given chunk (beginning of the file), return Python magic number"""
+ return py_demarshal_long(chunk[:4]) & 0xffff
+
+
+def pyc_mtime_from_chunk(chunk):
+ """From given chunk (beginning of the file), return mtime or None
+
+ From Python 3.7, mtime is not always present.
+
+ See https://www.python.org/dev/peps/pep-0552/#specification
+ """
+ magic = pyc_magic_from_chunk(chunk)
+ second = py_demarshal_long(chunk[4:8])
+ if magic >= _python_magic_values['3.7'][0]:
+ if second == 0:
+ return py_demarshal_long(chunk[8:12])
+ return None # No mtime saved, TODO check hashes instead
+ return second
+
+
def python_bytecode_to_script(path):
"""
Given a python bytecode path, give the path of the .py file
@@ -729,7 +750,7 @@ class FilesCheck(AbstractCheck.AbstractC
if chunk:
# Verify that the magic ABI value embedded in the
# .pyc header is correct
- found_magic = py_demarshal_long(chunk[:4]) & 0xffff
+ found_magic = pyc_magic_from_chunk(chunk)
exp_magic, exp_version = get_expected_pyc_magic(f)
if exp_magic and found_magic not in exp_magic:
found_version = 'unknown'
@@ -752,13 +773,14 @@ class FilesCheck(AbstractCheck.AbstractC
# Verify that the timestamp embedded in the .pyc
# header matches the mtime of the .py file:
- pyc_timestamp = py_demarshal_long(chunk[4:8])
+ pyc_timestamp = pyc_mtime_from_chunk(chunk)
# If it's a symlink, check target file mtime.
srcfile = pkg.readlink(files[source_file])
if not srcfile:
printWarning(
pkg, 'python-bytecode-without-source', f)
- elif pyc_timestamp != srcfile.mtime:
+ elif (pyc_timestamp is not None and
+ pyc_timestamp != srcfile.mtime):
cts = datetime.fromtimestamp(
pyc_timestamp).isoformat()
sts = datetime.fromtimestamp(