pipreqs ./ --encoding=utf-8 --force Solve the problem of reporting error

The encoding problem reported is not:

Solution:

pipreqs --ignore .venv --force

--ignore: Ignore execution

--force : Forced overriding content

Solution process

1. Execute the command:

pipreqs ./ --encoding=utf-8 --force

2. The error is reported as follows:

INFO: Not scanning for jupyter notebooks.
<unknown>:165: SyntaxWarning: invalid escape sequence '\S'
<unknown>:166: SyntaxWarning: invalid escape sequence '\['
<unknown>:207: SyntaxWarning: invalid escape sequence '\['
<unknown>:456: SyntaxWarning: invalid escape sequence '\S'
<unknown>:37: SyntaxWarning: invalid escape sequence '\Z'
<unknown>:68: SyntaxWarning: invalid escape sequence '\A'
<unknown>:662: SyntaxWarning: invalid escape sequence '\('
<unknown>:663: SyntaxWarning: invalid escape sequence '\)'
<unknown>:1349: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1352: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1354: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1357: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1541: SyntaxWarning: invalid escape sequence '\ '
<unknown>:1876: SyntaxWarning: invalid escape sequence '\ '
<unknown>:31: SyntaxWarning: invalid escape sequence '\s'
<unknown>:79: SyntaxWarning: invalid escape sequence '\s'
<unknown>:1: SyntaxWarning: invalid escape sequence '\_'
<unknown>:212: SyntaxWarning: invalid escape sequence '\d'
<unknown>:293: SyntaxWarning: invalid escape sequence '\d'
<unknown>:429: SyntaxWarning: invalid escape sequence '\s'
<unknown>:1945: SyntaxWarning: invalid escape sequence '\d'
<unknown>:957: SyntaxWarning: invalid escape sequence '\?'
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "D:\Code\Python\flask-api\.venv\Scripts\\__main__.py", line 7, in <module>
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 609, in main
    init(args)
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 533, in init
    candidates = get_all_imports(
                 ^^^^^^^^^^^^^^^^
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 136, in get_all_imports
    contents = read_file_content(file_name, encoding)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 181, in read_file_content
    contents = ()
               ^^^^^^^^
  File "<frozen codecs>", line 322, in decode
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb1 in position 81: invalid start byte

3. Execute the command again:

 pipreqs ./ --encoding=iso-8859-1 --force

4. The error is reported again as follows:

INFO: Not scanning for jupyter notebooks.
<unknown>:165: SyntaxWarning: invalid escape sequence '\S'
<unknown>:166: SyntaxWarning: invalid escape sequence '\['
<unknown>:207: SyntaxWarning: invalid escape sequence '\['
<unknown>:456: SyntaxWarning: invalid escape sequence '\S'
<unknown>:37: SyntaxWarning: invalid escape sequence '\Z'
<unknown>:68: SyntaxWarning: invalid escape sequence '\A'
<unknown>:662: SyntaxWarning: invalid escape sequence '\('
<unknown>:663: SyntaxWarning: invalid escape sequence '\)'
<unknown>:1349: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1352: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1354: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1357: SyntaxWarning: invalid escape sequence '\]'
<unknown>:1541: SyntaxWarning: invalid escape sequence '\ '
<unknown>:1876: SyntaxWarning: invalid escape sequence '\ '
<unknown>:31: SyntaxWarning: invalid escape sequence '\s'
<unknown>:79: SyntaxWarning: invalid escape sequence '\s'
<unknown>:1: SyntaxWarning: invalid escape sequence '\_'
<unknown>:212: SyntaxWarning: invalid escape sequence '\d'
<unknown>:293: SyntaxWarning: invalid escape sequence '\d'
<unknown>:429: SyntaxWarning: invalid escape sequence '\s'
<unknown>:1945: SyntaxWarning: invalid escape sequence '\d'
<unknown>:957: SyntaxWarning: invalid escape sequence '\?'
ERROR: Failed on file: ./.venv\Lib\site-packages\pip\_vendor\pyparsing\
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "D:\Code\Python\flask-api\.venv\Scripts\\__main__.py", line 7, in <module>
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 609, in main
    init(args)
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 533, in init
    candidates = get_all_imports(
                 ^^^^^^^^^^^^^^^^
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 153, in get_all_imports
    raise exc
  File "D:\Code\Python\flask-api\.venv\Lib\site-packages\pipreqs\", line 139, in get_all_imports
    tree = (contents)
           ^^^^^^^^^^^^^^^^^^^
  File "D:\SoftSetupLoaction\Python\Python312\Lib\", line 52, in parse
    return compile(source, filename, mode, flags,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<unknown>", line 277
    æ¼¢å = Kanji
     ^
SyntaxError: invalid character '¼' (U+00BC)

5. Solution:

Virtual environment dependency problem is ignored.venv: execution is successful

pipreqs --ignore .venv --force

INFO: Not scanning for jupyter notebooks.
WARNING: Import named "Flask" not found locally. Trying to resolve it at the PyPI server.
WARNING: Import named "Flask" was resolved to "Flask:3.0.3" package (/project/Flask/).
Please, verify manually the final list of  to avoid possible dependency confusions.
WARNING: Import named "selenium" not found locally. Trying to resolve it at the PyPI server.
WARNING: Import named "selenium" was resolved to "selenium:4.21.0" package (/project/selenium/).
Please, verify manually the final list of  to avoid possible dependency confusions.
INFO: Successfully saved requirements file in D:\Code\Python\flask-api\

6. Reference materials

"UTF-8" codec cannot decode byte 0xa4 in position 64: The start byte is invalid · Period number #419 · bndr/pipreqs ()

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