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ladeng07
2022-05-06 15:45:57 +08:00
parent 12f390949b
commit 51552904f9
2347 changed files with 120102 additions and 53549 deletions
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venv/Lib/site-packages/django/utils/formats.py
+62 -119
View File
@@ -1,14 +1,14 @@
import datetime
import decimal
import functools
import re
import unicodedata
from importlib import import_module
from django.conf import settings
from django.utils import dateformat, numberformat
from django.utils import dateformat, datetime_safe, numberformat
from django.utils.functional import lazy
from django.utils.translation import check_for_language, get_language, to_locale
from django.utils.translation import (
check_for_language, get_language, to_locale,
)
# format_cache is a mapping from (format_type, lang) to the format string.
# By using the cache, it is possible to avoid running get_format_modules
@@ -17,35 +17,33 @@ _format_cache = {}
_format_modules_cache = {}
ISO_INPUT_FORMATS = {
"DATE_INPUT_FORMATS": ["%Y-%m-%d"],
"TIME_INPUT_FORMATS": ["%H:%M:%S", "%H:%M:%S.%f", "%H:%M"],
"DATETIME_INPUT_FORMATS": [
"%Y-%m-%d %H:%M:%S",
"%Y-%m-%d %H:%M:%S.%f",
"%Y-%m-%d %H:%M",
"%Y-%m-%d",
'DATE_INPUT_FORMATS': ['%Y-%m-%d'],
'TIME_INPUT_FORMATS': ['%H:%M:%S', '%H:%M:%S.%f', '%H:%M'],
'DATETIME_INPUT_FORMATS': [
'%Y-%m-%d %H:%M:%S',
'%Y-%m-%d %H:%M:%S.%f',
'%Y-%m-%d %H:%M',
'%Y-%m-%d'
],
}
FORMAT_SETTINGS = frozenset(
[
"DECIMAL_SEPARATOR",
"THOUSAND_SEPARATOR",
"NUMBER_GROUPING",
"FIRST_DAY_OF_WEEK",
"MONTH_DAY_FORMAT",
"TIME_FORMAT",
"DATE_FORMAT",
"DATETIME_FORMAT",
"SHORT_DATE_FORMAT",
"SHORT_DATETIME_FORMAT",
"YEAR_MONTH_FORMAT",
"DATE_INPUT_FORMATS",
"TIME_INPUT_FORMATS",
"DATETIME_INPUT_FORMATS",
]
)
FORMAT_SETTINGS = frozenset([
'DECIMAL_SEPARATOR',
'THOUSAND_SEPARATOR',
'NUMBER_GROUPING',
'FIRST_DAY_OF_WEEK',
'MONTH_DAY_FORMAT',
'TIME_FORMAT',
'DATE_FORMAT',
'DATETIME_FORMAT',
'SHORT_DATE_FORMAT',
'SHORT_DATETIME_FORMAT',
'YEAR_MONTH_FORMAT',
'DATE_INPUT_FORMATS',
'TIME_INPUT_FORMATS',
'DATETIME_INPUT_FORMATS',
])
def reset_format_cache():
@@ -72,29 +70,30 @@ def iter_format_modules(lang, format_module_path=None):
if isinstance(format_module_path, str):
format_module_path = [format_module_path]
for path in format_module_path:
format_locations.append(path + ".%s")
format_locations.append("django.conf.locale.%s")
format_locations.append(path + '.%s')
format_locations.append('django.conf.locale.%s')
locale = to_locale(lang)
locales = [locale]
if "_" in locale:
locales.append(locale.split("_")[0])
if '_' in locale:
locales.append(locale.split('_')[0])
for location in format_locations:
for loc in locales:
try:
yield import_module("%s.formats" % (location % loc))
yield import_module('%s.formats' % (location % loc))
except ImportError:
pass
def get_format_modules(lang=None):
def get_format_modules(lang=None, reverse=False):
"""Return a list of the format modules found."""
if lang is None:
lang = get_language()
if lang not in _format_modules_cache:
_format_modules_cache[lang] = list(
iter_format_modules(lang, settings.FORMAT_MODULE_PATH)
)
return _format_modules_cache[lang]
_format_modules_cache[lang] = list(iter_format_modules(lang, settings.FORMAT_MODULE_PATH))
modules = _format_modules_cache[lang]
if reverse:
return list(reversed(modules))
return modules
def get_format(format_type, lang=None, use_l10n=None):
@@ -106,14 +105,7 @@ def get_format(format_type, lang=None, use_l10n=None):
If use_l10n is provided and is not None, it forces the value to
be localized (or not), overriding the value of settings.USE_L10N.
"""
use_l10n = use_l10n or (
use_l10n is None
and (
settings._USE_L10N_INTERNAL
if hasattr(settings, "_USE_L10N_INTERNAL")
else settings.USE_L10N
)
)
use_l10n = use_l10n or (use_l10n is None and settings.USE_L10N)
if use_l10n and lang is None:
lang = get_language()
cache_key = (format_type, lang)
@@ -157,9 +149,7 @@ def date_format(value, format=None, use_l10n=None):
If use_l10n is provided and is not None, that will force the value to
be localized (or not), overriding the value of settings.USE_L10N.
"""
return dateformat.format(
value, get_format(format or "DATE_FORMAT", use_l10n=use_l10n)
)
return dateformat.format(value, get_format(format or 'DATE_FORMAT', use_l10n=use_l10n))
def time_format(value, format=None, use_l10n=None):
@@ -169,9 +159,7 @@ def time_format(value, format=None, use_l10n=None):
If use_l10n is provided and is not None, it forces the value to
be localized (or not), overriding the value of settings.USE_L10N.
"""
return dateformat.time_format(
value, get_format(format or "TIME_FORMAT", use_l10n=use_l10n)
)
return dateformat.time_format(value, get_format(format or 'TIME_FORMAT', use_l10n=use_l10n))
def number_format(value, decimal_pos=None, use_l10n=None, force_grouping=False):
@@ -181,21 +169,16 @@ def number_format(value, decimal_pos=None, use_l10n=None, force_grouping=False):
If use_l10n is provided and is not None, it forces the value to
be localized (or not), overriding the value of settings.USE_L10N.
"""
use_l10n = use_l10n or (
use_l10n is None
and (
settings._USE_L10N_INTERNAL
if hasattr(settings, "_USE_L10N_INTERNAL")
else settings.USE_L10N
)
)
lang = get_language() if use_l10n else None
if use_l10n or (use_l10n is None and settings.USE_L10N):
lang = get_language()
else:
lang = None
return numberformat.format(
value,
get_format("DECIMAL_SEPARATOR", lang, use_l10n=use_l10n),
get_format('DECIMAL_SEPARATOR', lang, use_l10n=use_l10n),
decimal_pos,
get_format("NUMBER_GROUPING", lang, use_l10n=use_l10n),
get_format("THOUSAND_SEPARATOR", lang, use_l10n=use_l10n),
get_format('NUMBER_GROUPING', lang, use_l10n=use_l10n),
get_format('THOUSAND_SEPARATOR', lang, use_l10n=use_l10n),
force_grouping=force_grouping,
use_l10n=use_l10n,
)
@@ -218,11 +201,11 @@ def localize(value, use_l10n=None):
return str(value)
return number_format(value, use_l10n=use_l10n)
elif isinstance(value, datetime.datetime):
return date_format(value, "DATETIME_FORMAT", use_l10n=use_l10n)
return date_format(value, 'DATETIME_FORMAT', use_l10n=use_l10n)
elif isinstance(value, datetime.date):
return date_format(value, use_l10n=use_l10n)
elif isinstance(value, datetime.time):
return time_format(value, "TIME_FORMAT", use_l10n=use_l10n)
return time_format(value, 'TIME_FORMAT', use_l10n=use_l10n)
return value
@@ -238,52 +221,19 @@ def localize_input(value, default=None):
elif isinstance(value, (decimal.Decimal, float, int)):
return number_format(value)
elif isinstance(value, datetime.datetime):
format = default or get_format("DATETIME_INPUT_FORMATS")[0]
format = sanitize_strftime_format(format)
value = datetime_safe.new_datetime(value)
format = default or get_format('DATETIME_INPUT_FORMATS')[0]
return value.strftime(format)
elif isinstance(value, datetime.date):
format = default or get_format("DATE_INPUT_FORMATS")[0]
format = sanitize_strftime_format(format)
value = datetime_safe.new_date(value)
format = default or get_format('DATE_INPUT_FORMATS')[0]
return value.strftime(format)
elif isinstance(value, datetime.time):
format = default or get_format("TIME_INPUT_FORMATS")[0]
format = default or get_format('TIME_INPUT_FORMATS')[0]
return value.strftime(format)
return value
@functools.lru_cache()
def sanitize_strftime_format(fmt):
"""
Ensure that certain specifiers are correctly padded with leading zeros.
For years < 1000 specifiers %C, %F, %G, and %Y don't work as expected for
strftime provided by glibc on Linux as they don't pad the year or century
with leading zeros. Support for specifying the padding explicitly is
available, however, which can be used to fix this issue.
FreeBSD, macOS, and Windows do not support explicitly specifying the
padding, but return four digit years (with leading zeros) as expected.
This function checks whether the %Y produces a correctly padded string and,
if not, makes the following substitutions:
- %C → %02C
- %F → %010F
- %G → %04G
- %Y → %04Y
See https://bugs.python.org/issue13305 for more details.
"""
if datetime.date(1, 1, 1).strftime("%Y") == "0001":
return fmt
mapping = {"C": 2, "F": 10, "G": 4, "Y": 4}
return re.sub(
r"((?:^|[^%])(?:%%)*)%([CFGY])",
lambda m: r"%s%%0%s%s" % (m[1], mapping[m[2]], m[2]),
fmt,
)
def sanitize_separators(value):
"""
Sanitize a value according to the current decimal and
@@ -291,26 +241,19 @@ def sanitize_separators(value):
"""
if isinstance(value, str):
parts = []
decimal_separator = get_format("DECIMAL_SEPARATOR")
decimal_separator = get_format('DECIMAL_SEPARATOR')
if decimal_separator in value:
value, decimals = value.split(decimal_separator, 1)
parts.append(decimals)
if settings.USE_THOUSAND_SEPARATOR:
thousand_sep = get_format("THOUSAND_SEPARATOR")
if (
thousand_sep == "."
and value.count(".") == 1
and len(value.split(".")[-1]) != 3
):
# Special case where we suspect a dot meant decimal separator
# (see #22171).
thousand_sep = get_format('THOUSAND_SEPARATOR')
if thousand_sep == '.' and value.count('.') == 1 and len(value.split('.')[-1]) != 3:
# Special case where we suspect a dot meant decimal separator (see #22171)
pass
else:
for replacement in {
thousand_sep,
unicodedata.normalize("NFKD", thousand_sep),
}:
value = value.replace(replacement, "")
thousand_sep, unicodedata.normalize('NFKD', thousand_sep)}:
value = value.replace(replacement, '')
parts.append(value)
value = ".".join(reversed(parts))
value = '.'.join(reversed(parts))
return value