UnicodeDecodeError exception occurs when .env file contains Non-ASCII characters on Windows #300
Description
Similar to Issue #175 UnicodeDecodeError exception occurs when .env file contains Non-ASCII characters on Windows.
And that issue said it sloved in PR 161 30 Apr 2019, but it did happen in the version 0.15.0 which released on 29 Oct 2020.
Similar situation I met before about decode on windows
Info about env
OS like
- windows 10 amd64
- python 3.9.0
pip package info
Package Version
------------- -------
click 7.1.2
Flask 1.1.2
itsdangerous 1.1.0
Jinja2 2.11.2
MarkupSafe 1.1.1
pip 20.3.3
python-dotenv 0.15.0
setuptools 51.3.3
watchdog 1.0.2
Werkzeug 1.0.1
wheel 0.36.2what situation will error
code
see rpo
point
When I add a little Chinese comment in file - .flaskenv, it will happen. If delete all Chinese comment, it work fine.
bad result
add a comment to the end of .flaskenv. Just like this
# -*- encoding: utf-8 -*-
# Public env Variables about flask
# FLASK_APP = app.py
# FLASK_RUN_HOST = 127.0.0.1
FLASK_RUN_PORT = 80
# dev mode
FLASK_ENV = development
# 今天也是个小可爱耶Then run flask
PS D:\Documents\CAU\Lion\repositiries\Python\fb> flask run
Traceback (most recent call last):
File "d:\program files\python\python39\lib\runpy.py", line 197, in _run_module_as_main
return _run_code(code, main_globals, None,
File "d:\program files\python\python39\lib\runpy.py", line 87, in _run_code
exec(code, run_globals)
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\flask\cli.py", line 967, in main
cli.main(args=sys.argv[1:], prog_name="python -m flask" if as_module else None)
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\flask\cli.py", line 575, in main
load_dotenv()
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\flask\cli.py", line 649, in load_dotenv
dotenv.load_dotenv(path)
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\main.py", line 319, in load_dotenv
return DotEnv(f, verbose=verbose, interpolate=interpolate, **kwargs).set_as_environment_variables(override=override)
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\main.py", line 106, in set_as_environment_variables
for k, v in self.dict().items():
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\main.py", line 87, in dict
values = resolve_nested_variables(self.parse())
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\main.py", line 239, in resolve_nested_variables
for (k, v) in values:
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\main.py", line 97, in parse
for mapping in with_warn_for_invalid_lines(parse_stream(stream)):
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\main.py", line 48, in with_warn_for_invalid_lines
for mapping in mappings:
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\parser.py", line 229, in parse_stream
reader = Reader(stream)
File "c:\users\kearney\.virtualenvs\fb-xzc3iotr\lib\site-packages\dotenv\parser.py", line 107, in __init__
self.string = stream.read()
UnicodeDecodeError: 'gbk' codec can't decode byte 0xaa in position 194: illegal multibyte sequencegood reslut
PS D:\Documents\CAU\Lion\repositiries\Python\fb> flask run
* Environment: development
* Debug mode: on
* Restarting with windowsapi reloader
* Debugger is active!
* Debugger PIN: 139-670-554
* Running on http://127.0.0.1:80/ (Press CTRL+C to quit)