This seems like a noble pursuit. File a bug on bugs.python.org with the results you posted here, and submit a PR via GitHub ( github.com/python/cpython/). On Sat, Apr 11, 2020 at 9:09 AM Barry Scott <barry@barrys-emacs.org> wrote:
modulefinder.py does not open source files in "rb" which prevents compile() from applying the encoding rules.
This first showed up for me on Windows with Python 3.8.
I'd like to provide patches for 3.8 (if any more releases) and 3.9.
What is the process I should follow? I have signed the Contributor Agreement.
Here is my test case and the results on Windows with 3.7.
import modulefinder
with open('import_functools.py', 'w') as f: f.write('import functools\n')
mf = modulefinder.ModuleFinder() mf.run_script('import_functools.py') print('Test passed')
py -3.8-32 modulefinder_test.py Traceback (most recent call last): File "modulefinder_test.py", line 7, in <module> mf.run_script('import_functools.py') File "C:\Python38.win32\lib\modulefinder.py", line 165, in run_script self.load_module('__main__', fp, pathname, stuff) File "C:\Python38.win32\lib\modulefinder.py", line 360, in load_module self.scan_code(co, m) File "C:\Python38.win32\lib\modulefinder.py", line 433, in scan_code self._safe_import_hook(name, m, fromlist, level=0) File "C:\Python38.win32\lib\modulefinder.py", line 378, in _safe_import_hook self.import_hook(name, caller, level=level) File "C:\Python38.win32\lib\modulefinder.py", line 177, in import_hook q, tail = self.find_head_package(parent, name) File "C:\Python38.win32\lib\modulefinder.py", line 233, in find_head_package q = self.import_module(head, qname, parent) File "C:\Python38.win32\lib\modulefinder.py", line 326, in import_module m = self.load_module(fqname, fp, pathname, stuff) File "C:\Python38.win32\lib\modulefinder.py", line 343, in load_module co = compile(fp.read()+'\n', pathname, 'exec') File "C:\Python38.win32\lib\encodings\cp1252.py", line 23, in decode return codecs.charmap_decode(input,self.errors,decoding_table)[0] UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 308: character maps to <undefined>
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