python3.11/00193-skip-correct-num-of-pycfile-bytes-in-modulefinder.patch

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# HG changeset patch
# User Brett Cannon <brett@python.org>
# Date 1393602285 18000
# Node ID 432cb56db05d73f55d211501bf0dfc767768923b
# Parent ade5e4922a54cb84c99ec924ab7c700a014893da
Issue #20778: Fix modulefinder to work with bytecode-only modules.
Bug filed and initial attempt at a patch by Bohuslav Kabrda.
diff --git a/Lib/modulefinder.py b/Lib/modulefinder.py
--- a/Lib/modulefinder.py
+++ b/Lib/modulefinder.py
@@ -290,7 +290,7 @@ class ModuleFinder:
if fp.read(4) != imp.get_magic():
self.msgout(2, "raise ImportError: Bad magic number", pathname)
raise ImportError("Bad magic number in %s" % pathname)
- fp.read(4)
+ fp.read(8) # Skip mtime and size.
co = marshal.load(fp)
else:
co = None
diff --git a/Lib/test/test_modulefinder.py b/Lib/test/test_modulefinder.py
--- a/Lib/test/test_modulefinder.py
+++ b/Lib/test/test_modulefinder.py
@@ -1,5 +1,7 @@
import os
import errno
+import importlib.machinery
+import py_compile
import shutil
import unittest
import tempfile
@@ -208,6 +210,14 @@ a/module.py
from . import *
"""]
+bytecode_test = [
+ "a",
+ ["a"],
+ [],
+ [],
+ ""
+]
+
def open_file(path):
dirname = os.path.dirname(path)
@@ -288,6 +298,16 @@ class ModuleFinderTest(unittest.TestCase
def test_relative_imports_4(self):
self._do_test(relative_import_test_4)
+ def test_bytecode(self):
+ base_path = os.path.join(TEST_DIR, 'a')
+ source_path = base_path + importlib.machinery.SOURCE_SUFFIXES[0]
+ bytecode_path = base_path + importlib.machinery.BYTECODE_SUFFIXES[0]
+ with open_file(source_path) as file:
+ file.write('testing_modulefinder = True\n')
+ py_compile.compile(source_path, cfile=bytecode_path)
+ os.remove(source_path)
+ self._do_test(bytecode_test)
+
def test_main():
support.run_unittest(ModuleFinderTest)