You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.8 KiB
83 lines
2.8 KiB
import codecs
|
|
import os
|
|
|
|
|
|
def _verify_python_env():
|
|
"""Ensures that the environment is good for Unicode."""
|
|
try:
|
|
import locale
|
|
|
|
fs_enc = codecs.lookup(locale.getpreferredencoding()).name
|
|
except Exception:
|
|
fs_enc = "ascii"
|
|
if fs_enc != "ascii":
|
|
return
|
|
|
|
extra = ""
|
|
if os.name == "posix":
|
|
import subprocess
|
|
|
|
try:
|
|
rv = subprocess.Popen(
|
|
["locale", "-a"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
|
|
).communicate()[0]
|
|
except OSError:
|
|
rv = b""
|
|
good_locales = set()
|
|
has_c_utf8 = False
|
|
|
|
# Make sure we're operating on text here.
|
|
if isinstance(rv, bytes):
|
|
rv = rv.decode("ascii", "replace")
|
|
|
|
for line in rv.splitlines():
|
|
locale = line.strip()
|
|
if locale.lower().endswith((".utf-8", ".utf8")):
|
|
good_locales.add(locale)
|
|
if locale.lower() in ("c.utf8", "c.utf-8"):
|
|
has_c_utf8 = True
|
|
|
|
extra += "\n\n"
|
|
if not good_locales:
|
|
extra += (
|
|
"Additional information: on this system no suitable"
|
|
" UTF-8 locales were discovered. This most likely"
|
|
" requires resolving by reconfiguring the locale"
|
|
" system."
|
|
)
|
|
elif has_c_utf8:
|
|
extra += (
|
|
"This system supports the C.UTF-8 locale which is"
|
|
" recommended. You might be able to resolve your issue"
|
|
" by exporting the following environment variables:\n\n"
|
|
" export LC_ALL=C.UTF-8\n"
|
|
" export LANG=C.UTF-8"
|
|
)
|
|
else:
|
|
extra += (
|
|
"This system lists some UTF-8 supporting locales that"
|
|
" you can pick from. The following suitable locales"
|
|
f" were discovered: {', '.join(sorted(good_locales))}"
|
|
)
|
|
|
|
bad_locale = None
|
|
for locale in os.environ.get("LC_ALL"), os.environ.get("LANG"):
|
|
if locale and locale.lower().endswith((".utf-8", ".utf8")):
|
|
bad_locale = locale
|
|
if locale is not None:
|
|
break
|
|
if bad_locale is not None:
|
|
extra += (
|
|
"\n\nClick discovered that you exported a UTF-8 locale"
|
|
" but the locale system could not pick up from it"
|
|
" because it does not exist. The exported locale is"
|
|
f" {bad_locale!r} but it is not supported"
|
|
)
|
|
|
|
raise RuntimeError(
|
|
"Click will abort further execution because Python was"
|
|
" configured to use ASCII as encoding for the environment."
|
|
" Consult https://click.palletsprojects.com/unicode-support/"
|
|
f" for mitigation steps.{extra}"
|
|
)
|