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"""Constants used internally in arrow."""
import sys
from datetime import datetime
if sys.version_info < (3, 8): # pragma: no cover
from typing_extensions import Final
else:
from typing import Final # pragma: no cover
# datetime.max.timestamp() errors on Windows, so we must hardcode
# the highest possible datetime value that can output a timestamp.
# tl;dr platform-independent max timestamps are hard to form
# See: https://stackoverflow.com/q/46133223
try:
# Get max timestamp. Works on POSIX-based systems like Linux and macOS,
# but will trigger an OverflowError, ValueError, or OSError on Windows
_MAX_TIMESTAMP = datetime.max.timestamp()
except (OverflowError, ValueError, OSError): # pragma: no cover
# Fallback for Windows and 32-bit systems if initial max timestamp call fails
# Must get max value of ctime on Windows based on architecture (x32 vs x64)
# https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/ctime-ctime32-ctime64-wctime-wctime32-wctime64
# Note: this may occur on both 32-bit Linux systems (issue #930) along with Windows systems
is_64bits = sys.maxsize > 2**32
_MAX_TIMESTAMP = (
datetime(3000, 1, 1, 23, 59, 59, 999999).timestamp()
if is_64bits
else datetime(2038, 1, 1, 23, 59, 59, 999999).timestamp()
)
MAX_TIMESTAMP: Final[float] = _MAX_TIMESTAMP
MAX_TIMESTAMP_MS: Final[float] = MAX_TIMESTAMP * 1000
MAX_TIMESTAMP_US: Final[float] = MAX_TIMESTAMP * 1_000_000
MAX_ORDINAL: Final[int] = datetime.max.toordinal()
MIN_ORDINAL: Final[int] = 1
DEFAULT_LOCALE: Final[str] = "en-us"
# Supported dehumanize locales
DEHUMANIZE_LOCALES = {
"en",
"en-us",
"en-gb",
"en-au",
"en-be",
"en-jp",
"en-za",
"en-ca",
"en-ph",
"fr",
"fr-fr",
"fr-ca",
"it",
"it-it",
"es",
"es-es",
"el",
"el-gr",
"ja",
"ja-jp",
"se",
"se-fi",
"se-no",
"se-se",
"sv",
"sv-se",
"fi",
"fi-fi",
"zh",
"zh-cn",
"zh-tw",
"zh-hk",
"nl",
"nl-nl",
"be",
"be-by",
"pl",
"pl-pl",
"ru",
"ru-ru",
"af",
"bg",
"bg-bg",
"ua",
"uk",
"uk-ua",
"mk",
"mk-mk",
"de",
"de-de",
"de-ch",
"de-at",
"nb",
"nb-no",
"nn",
"nn-no",
"pt",
"pt-pt",
"pt-br",
"tl",
"tl-ph",
"vi",
"vi-vn",
"tr",
"tr-tr",
"az",
"az-az",
"da",
"da-dk",
"ml",
"hi",
"cs",
"cs-cz",
"sk",
"sk-sk",
"fa",
"fa-ir",
"mr",
"ca",
"ca-es",
"ca-ad",
"ca-fr",
"ca-it",
"eo",
"eo-xx",
"bn",
"bn-bd",
"bn-in",
"rm",
"rm-ch",
"ro",
"ro-ro",
"sl",
"sl-si",
"id",
"id-id",
"ne",
"ne-np",
"ee",
"et",
"sw",
"sw-ke",
"sw-tz",
"la",
"la-va",
"lt",
"lt-lt",
"ms",
"ms-my",
"ms-bn",
"or",
"or-in",
"lb",
"lb-lu",
"zu",
"zu-za",
"sq",
"sq-al",
"ta",
"ta-in",
"ta-lk",
"ur",
"ur-pk",
"ka",
"ka-ge",
"kk",
"kk-kz",
# "lo",
# "lo-la",
"am",
"am-et",
"hy-am",
"hy",
"uz",
"uz-uz",
}
|
