Made an application for supporting sustainable local businesses in San Pancho.
Never really got completed, but it has some useful Svelte components for maps that we can reuse.
http://greenspots.dctrl.space
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101 lines
3.1 KiB
101 lines
3.1 KiB
2 years ago
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import codecs
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import os
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from gettext import gettext as _
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def _verify_python_env() -> None:
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"""Ensures that the environment is good for Unicode."""
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try:
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from locale import getpreferredencoding
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fs_enc = codecs.lookup(getpreferredencoding()).name
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except Exception:
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fs_enc = "ascii"
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if fs_enc != "ascii":
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return
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extra = [
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_(
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"Click will abort further execution because Python was"
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" configured to use ASCII as encoding for the environment."
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" Consult https://click.palletsprojects.com/unicode-support/"
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" for mitigation steps."
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)
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]
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if os.name == "posix":
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import subprocess
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try:
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rv = subprocess.Popen(
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["locale", "-a"],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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encoding="ascii",
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errors="replace",
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).communicate()[0]
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except OSError:
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rv = ""
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good_locales = set()
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has_c_utf8 = False
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for line in rv.splitlines():
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locale = line.strip()
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if locale.lower().endswith((".utf-8", ".utf8")):
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good_locales.add(locale)
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if locale.lower() in ("c.utf8", "c.utf-8"):
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has_c_utf8 = True
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if not good_locales:
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extra.append(
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_(
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"Additional information: on this system no suitable"
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" UTF-8 locales were discovered. This most likely"
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" requires resolving by reconfiguring the locale"
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" system."
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)
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)
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elif has_c_utf8:
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extra.append(
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_(
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"This system supports the C.UTF-8 locale which is"
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" recommended. You might be able to resolve your"
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" issue by exporting the following environment"
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" variables:"
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)
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)
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extra.append(" export LC_ALL=C.UTF-8\n export LANG=C.UTF-8")
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else:
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extra.append(
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_(
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"This system lists some UTF-8 supporting locales"
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" that you can pick from. The following suitable"
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" locales were discovered: {locales}"
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).format(locales=", ".join(sorted(good_locales)))
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)
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bad_locale = None
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for env_locale in os.environ.get("LC_ALL"), os.environ.get("LANG"):
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if env_locale and env_locale.lower().endswith((".utf-8", ".utf8")):
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bad_locale = env_locale
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if env_locale is not None:
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break
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if bad_locale is not None:
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extra.append(
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_(
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"Click discovered that you exported a UTF-8 locale"
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" but the locale system could not pick up from it"
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" because it does not exist. The exported locale is"
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" {locale!r} but it is not supported."
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).format(locale=bad_locale)
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)
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raise RuntimeError("\n\n".join(extra))
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