Pyroma doesn't work on Windows 10

pyroma fails to run and results in the following error. black is just as an example here. pyroma fails when run on other folders containing python code as well.

Error information

$ pyroma.exe -d black/
------------------------------
Checking black/
Exception when running setup.
Traceback (most recent call last):
  File "c:\users\sanbha\work\black\env\lib\site-packages\pyroma\projectdata.py", line 138, in run_setup
    exec_(f.read(), glocals, glocals)
  File "c:\users\sanbha\work\black\env\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 22: character maps to <undefined>
Traceback (most recent call last):
  File "C:\Users\sanbha\AppData\Local\Programs\Python\Python36\Lib\runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\Users\sanbha\AppData\Local\Programs\Python\Python36\Lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\sanbha\work\black\env\Scripts\pyroma.exe\__main__.py", line 9, in <module>
  File "c:\users\sanbha\work\black\env\lib\site-packages\pyroma\__init__.py", line 63, in main
    rating = run(mode, argument)
  File "c:\users\sanbha\work\black\env\lib\site-packages\pyroma\__init__.py", line 75, in run
    data = projectdata.get_data(os.path.abspath(argument))
  File "c:\users\sanbha\work\black\env\lib\site-packages\pyroma\projectdata.py", line 167, in get_data
    distro = run_setup('setup.py', stop_after='config')
  File "c:\users\sanbha\work\black\env\lib\site-packages\pyroma\projectdata.py", line 151, in run_setup
    script_name)
RuntimeError: 'distutils.core.setup()' was never called -- perhaps 'setup.py' is not a Distutils setup script?

Steps to reproduce

1. Clone black repository → git clone [e-mail]:ambv/black.git
2. Create virtualenv → virtualenv black/
3. Activate virtualenv → $ . env/Scripts/activate
4. Install pyroma using pip → pip install pyroma
5. Run pyroma → pyroma -d black/

Environment

Operating system: Windows 10 Enterprise Python version: 3.6.6, PE32+ executable (console) x86-64, for MS Windows pyroma version: 2.3.1 Bash version: GNU bash, version 4.4.19(2)-release (x86_64-pc-msys)

[CAM-Gerlach]

@regebro Seems this can be unpinned? Maybe pin the PyPI issue instead?

[CAM-Gerlach]

Indeed, adding encoding="UTF-8" to the offending line 122 of projectdata.py fixes this. I’ll submit a PR shortly.