initiated venv, installed FreeSimpleGUI and PySerial

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2025-10-22 17:20:59 +03:00
parent 434f9c0df3
commit f921bec1c3
1510 changed files with 218990 additions and 27193 deletions

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from .iso8601 import UTC, FixedOffset, ParseError, is_iso8601, parse_date
__all__ = ["parse_date", "is_iso8601", "ParseError", "UTC", "FixedOffset"]

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"""ISO 8601 date time string parsing
Basic usage:
>>> import iso8601
>>> iso8601.parse_date("2007-01-25T12:00:00Z")
datetime.datetime(2007, 1, 25, 12, 0, tzinfo=<iso8601.Utc ...>)
>>>
"""
import datetime
import re
import typing
from decimal import Decimal
__all__ = ["parse_date", "ParseError", "UTC", "FixedOffset"]
# Adapted from http://delete.me.uk/2005/03/iso8601.html
ISO8601_REGEX = re.compile(
r"""
(?P<year>[0-9]{4})
(
(
(-(?P<monthdash>[0-9]{1,2}))
|
(?P<month>[0-9]{2})
(?!$) # Don't allow YYYYMM
)
(
(
(-(?P<daydash>[0-9]{1,2}))
|
(?P<day>[0-9]{2})
)
(
(
(?P<separator>[ T])
(?P<hour>[0-9]{2})
(:{0,1}(?P<minute>[0-9]{2})){0,1}
(
:{0,1}(?P<second>[0-9]{1,2})
([.,](?P<second_fraction>[0-9]+)){0,1}
){0,1}
(?P<timezone>
Z
|
(
(?P<tz_sign>[-+])
(?P<tz_hour>[0-9]{2})
:{0,1}
(?P<tz_minute>[0-9]{2}){0,1}
)
){0,1}
){0,1}
)
){0,1} # YYYY-MM
){0,1} # YYYY only
$
""",
re.VERBOSE,
)
class ParseError(ValueError):
"""Raised when there is a problem parsing a date string"""
UTC = datetime.timezone.utc
def FixedOffset(
offset_hours: float, offset_minutes: float, name: str
) -> datetime.timezone:
return datetime.timezone(
datetime.timedelta(hours=offset_hours, minutes=offset_minutes), name
)
def parse_timezone(
matches: typing.Dict[str, str],
default_timezone: typing.Optional[datetime.timezone] = UTC,
) -> typing.Optional[datetime.timezone]:
"""Parses ISO 8601 time zone specs into tzinfo offsets"""
tz = matches.get("timezone", None)
if tz == "Z":
return UTC
# This isn't strictly correct, but it's common to encounter dates without
# timezones so I'll assume the default (which defaults to UTC).
# Addresses issue 4.
if tz is None:
return default_timezone
sign = matches.get("tz_sign", None)
hours = int(matches.get("tz_hour", 0))
minutes = int(matches.get("tz_minute", 0))
description = f"{sign}{hours:02d}:{minutes:02d}"
if sign == "-":
hours = -hours
minutes = -minutes
return FixedOffset(hours, minutes, description)
def parse_date(
datestring: str, default_timezone: typing.Optional[datetime.timezone] = UTC
) -> datetime.datetime:
"""Parses ISO 8601 dates into datetime objects
The timezone is parsed from the date string. However it is quite common to
have dates without a timezone (not strictly correct). In this case the
default timezone specified in default_timezone is used. This is UTC by
default.
:param datestring: The date to parse as a string
:param default_timezone: A datetime tzinfo instance to use when no timezone
is specified in the datestring. If this is set to
None then a naive datetime object is returned.
:returns: A datetime.datetime instance
:raises: ParseError when there is a problem parsing the date or
constructing the datetime instance.
"""
try:
m = ISO8601_REGEX.match(datestring)
except Exception as e:
raise ParseError(e)
if not m:
raise ParseError(f"Unable to parse date string {datestring!r}")
# Drop any Nones from the regex matches
# TODO: check if there's a way to omit results in regexes
groups: typing.Dict[str, str] = {
k: v for k, v in m.groupdict().items() if v is not None
}
try:
return datetime.datetime(
year=int(groups.get("year", 0)),
month=int(groups.get("month", groups.get("monthdash", 1))),
day=int(groups.get("day", groups.get("daydash", 1))),
hour=int(groups.get("hour", 0)),
minute=int(groups.get("minute", 0)),
second=int(groups.get("second", 0)),
microsecond=int(
Decimal(f"0.{groups.get('second_fraction', 0)}") * Decimal("1000000.0")
),
tzinfo=parse_timezone(groups, default_timezone=default_timezone),
)
except Exception as e:
raise ParseError(e)
def is_iso8601(datestring: str) -> bool:
"""Check if a string matches an ISO 8601 format.
:param datestring: The string to check for validity
:returns: True if the string matches an ISO 8601 format, False otherwise
"""
try:
m = ISO8601_REGEX.match(datestring)
return bool(m)
except Exception as e:
raise ParseError(e)

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# coding=UTF-8
from __future__ import absolute_import
import copy
import datetime
import pickle
import hypothesis
import hypothesis.extra.pytz
import hypothesis.strategies
import pytest
from . import iso8601
def test_iso8601_regex() -> None:
assert iso8601.ISO8601_REGEX.match("2006-10-11T00:14:33Z")
def test_fixedoffset_eq() -> None:
# See https://bitbucket.org/micktwomey/pyiso8601/issues/19
expected_timezone = datetime.timezone(offset=datetime.timedelta(hours=2))
assert expected_timezone == iso8601.FixedOffset(2, 0, "+2:00")
def test_parse_no_timezone_different_default() -> None:
tz = iso8601.FixedOffset(2, 0, "test offset")
d = iso8601.parse_date("2007-01-01T08:00:00", default_timezone=tz)
assert d == datetime.datetime(2007, 1, 1, 8, 0, 0, 0, tz)
assert d.tzinfo == tz
def test_parse_utc_different_default() -> None:
"""Z should mean 'UTC', not 'default'."""
tz = iso8601.FixedOffset(2, 0, "test offset")
d = iso8601.parse_date("2007-01-01T08:00:00Z", default_timezone=tz)
assert d == datetime.datetime(2007, 1, 1, 8, 0, 0, 0, iso8601.UTC)
@pytest.mark.parametrize(
"invalid_date, error_string",
[
("2013-10-", "Unable to parse date string"),
("2013-", "Unable to parse date string"),
("", "Unable to parse date string"),
("wibble", "Unable to parse date string"),
("23", "Unable to parse date string"),
("131015T142533Z", "Unable to parse date string"),
("131015", "Unable to parse date string"),
("20141", "Unable to parse date string"),
("201402", "Unable to parse date string"),
(
"2007-06-23X06:40:34.00Z",
"Unable to parse date string",
), # https://code.google.com/p/pyiso8601/issues/detail?id=14
(
"2007-06-23 06:40:34.00Zrubbish",
"Unable to parse date string",
), # https://code.google.com/p/pyiso8601/issues/detail?id=14
("20114-01-03T01:45:49", "Unable to parse date string"),
],
)
def test_parse_invalid_date(invalid_date: str, error_string: str) -> None:
assert iso8601.is_iso8601(invalid_date) is False
with pytest.raises(iso8601.ParseError) as exc:
iso8601.parse_date(invalid_date)
assert exc.errisinstance(iso8601.ParseError)
assert str(exc.value).startswith(error_string)
@pytest.mark.parametrize(
"valid_date,expected_datetime,isoformat",
[
(
"2007-06-23 06:40:34.00Z",
datetime.datetime(2007, 6, 23, 6, 40, 34, 0, iso8601.UTC),
"2007-06-23T06:40:34+00:00",
), # Handle a separator other than T
(
"1997-07-16T19:20+01:00",
datetime.datetime(
1997, 7, 16, 19, 20, 0, 0, iso8601.FixedOffset(1, 0, "+01:00")
),
"1997-07-16T19:20:00+01:00",
), # Parse with no seconds
(
"2007-01-01T08:00:00",
datetime.datetime(2007, 1, 1, 8, 0, 0, 0, iso8601.UTC),
"2007-01-01T08:00:00+00:00",
), # Handle timezone-less dates. Assumes UTC. http://code.google.com/p/pyiso8601/issues/detail?id=4
(
"2006-10-20T15:34:56.123+02:30",
datetime.datetime(
2006, 10, 20, 15, 34, 56, 123000, iso8601.FixedOffset(2, 30, "+02:30")
),
None,
),
(
"2006-10-20T15:34:56Z",
datetime.datetime(2006, 10, 20, 15, 34, 56, 0, iso8601.UTC),
"2006-10-20T15:34:56+00:00",
),
(
"2007-5-7T11:43:55.328Z",
datetime.datetime(2007, 5, 7, 11, 43, 55, 328000, iso8601.UTC),
"2007-05-07T11:43:55.328000+00:00",
), # http://code.google.com/p/pyiso8601/issues/detail?id=6
(
"2006-10-20T15:34:56.123Z",
datetime.datetime(2006, 10, 20, 15, 34, 56, 123000, iso8601.UTC),
"2006-10-20T15:34:56.123000+00:00",
),
(
"2013-10-15T18:30Z",
datetime.datetime(2013, 10, 15, 18, 30, 0, 0, iso8601.UTC),
"2013-10-15T18:30:00+00:00",
),
(
"2013-10-15T22:30+04",
datetime.datetime(
2013, 10, 15, 22, 30, 0, 0, iso8601.FixedOffset(4, 0, "+04:00")
),
"2013-10-15T22:30:00+04:00",
), # <time>±hh:mm
(
"2013-10-15T1130-0700",
datetime.datetime(
2013, 10, 15, 11, 30, 0, 0, iso8601.FixedOffset(-7, 0, "-07:00")
),
"2013-10-15T11:30:00-07:00",
), # <time>±hhmm
(
"2013-10-15T1130+0700",
datetime.datetime(
2013, 10, 15, 11, 30, 0, 0, iso8601.FixedOffset(+7, 0, "+07:00")
),
"2013-10-15T11:30:00+07:00",
), # <time>±hhmm
(
"2013-10-15T1130+07",
datetime.datetime(
2013, 10, 15, 11, 30, 0, 0, iso8601.FixedOffset(+7, 0, "+07:00")
),
"2013-10-15T11:30:00+07:00",
), # <time>±hh
(
"2013-10-15T1130-07",
datetime.datetime(
2013, 10, 15, 11, 30, 0, 0, iso8601.FixedOffset(-7, 0, "-07:00")
),
"2013-10-15T11:30:00-07:00",
), # <time>±hh
(
"2013-10-15T15:00-03:30",
datetime.datetime(
2013, 10, 15, 15, 0, 0, 0, iso8601.FixedOffset(-3, -30, "-03:30")
),
"2013-10-15T15:00:00-03:30",
),
(
"2013-10-15T183123Z",
datetime.datetime(2013, 10, 15, 18, 31, 23, 0, iso8601.UTC),
"2013-10-15T18:31:23+00:00",
), # hhmmss
(
"2013-10-15T1831Z",
datetime.datetime(2013, 10, 15, 18, 31, 0, 0, iso8601.UTC),
"2013-10-15T18:31:00+00:00",
), # hhmm
(
"2013-10-15T18Z",
datetime.datetime(2013, 10, 15, 18, 0, 0, 0, iso8601.UTC),
"2013-10-15T18:00:00+00:00",
), # hh
(
"2013-10-15",
datetime.datetime(2013, 10, 15, 0, 0, 0, 0, iso8601.UTC),
"2013-10-15T00:00:00+00:00",
), # YYYY-MM-DD
(
"20131015T18:30Z",
datetime.datetime(2013, 10, 15, 18, 30, 0, 0, iso8601.UTC),
"2013-10-15T18:30:00+00:00",
), # YYYYMMDD
(
"2012-12-19T23:21:28.512400+00:00",
datetime.datetime(
2012, 12, 19, 23, 21, 28, 512400, iso8601.FixedOffset(0, 0, "+00:00")
),
"2012-12-19T23:21:28.512400+00:00",
), # https://code.google.com/p/pyiso8601/issues/detail?id=21
(
"2006-10-20T15:34:56.123+0230",
datetime.datetime(
2006, 10, 20, 15, 34, 56, 123000, iso8601.FixedOffset(2, 30, "+02:30")
),
"2006-10-20T15:34:56.123000+02:30",
), # https://code.google.com/p/pyiso8601/issues/detail?id=18
(
"19950204",
datetime.datetime(1995, 2, 4, tzinfo=iso8601.UTC),
"1995-02-04T00:00:00+00:00",
), # https://code.google.com/p/pyiso8601/issues/detail?id=1
(
"2010-07-20 15:25:52.520701+00:00",
datetime.datetime(
2010, 7, 20, 15, 25, 52, 520701, iso8601.FixedOffset(0, 0, "+00:00")
),
"2010-07-20T15:25:52.520701+00:00",
), # https://code.google.com/p/pyiso8601/issues/detail?id=17
(
"2010-06-12",
datetime.datetime(2010, 6, 12, tzinfo=iso8601.UTC),
"2010-06-12T00:00:00+00:00",
), # https://code.google.com/p/pyiso8601/issues/detail?id=16
(
"1985-04-12T23:20:50.52-05:30",
datetime.datetime(
1985, 4, 12, 23, 20, 50, 520000, iso8601.FixedOffset(-5, -30, "-05:30")
),
"1985-04-12T23:20:50.520000-05:30",
), # https://bitbucket.org/micktwomey/pyiso8601/issue/8/015-parses-negative-timezones-incorrectly
(
"1997-08-29T06:14:00.000123Z",
datetime.datetime(1997, 8, 29, 6, 14, 0, 123, iso8601.UTC),
"1997-08-29T06:14:00.000123+00:00",
), # https://bitbucket.org/micktwomey/pyiso8601/issue/9/regression-parsing-microseconds
(
"2014-02",
datetime.datetime(2014, 2, 1, 0, 0, 0, 0, iso8601.UTC),
"2014-02-01T00:00:00+00:00",
), # https://bitbucket.org/micktwomey/pyiso8601/issue/14/regression-yyyy-mm-no-longer-parses
(
"2014",
datetime.datetime(2014, 1, 1, 0, 0, 0, 0, iso8601.UTC),
"2014-01-01T00:00:00+00:00",
), # YYYY
(
"1997-08-29T06:14:00,000123Z",
datetime.datetime(1997, 8, 29, 6, 14, 0, 123, iso8601.UTC),
"1997-08-29T06:14:00.000123+00:00",
), # Use , as decimal separator
],
)
def test_parse_valid_date(
valid_date: str, expected_datetime: datetime.datetime, isoformat: str
) -> None:
assert iso8601.is_iso8601(valid_date) is True
parsed = iso8601.parse_date(valid_date)
assert parsed.year == expected_datetime.year
assert parsed.month == expected_datetime.month
assert parsed.day == expected_datetime.day
assert parsed.hour == expected_datetime.hour
assert parsed.minute == expected_datetime.minute
assert parsed.second == expected_datetime.second
assert parsed.microsecond == expected_datetime.microsecond
assert parsed.tzinfo == expected_datetime.tzinfo
assert parsed == expected_datetime
assert parsed.isoformat() == expected_datetime.isoformat()
copy.deepcopy(parsed) # ensure it's deep copy-able
pickle.dumps(parsed) # ensure it pickles
if isoformat:
assert parsed.isoformat() == isoformat
assert iso8601.parse_date(parsed.isoformat()) == parsed # Test round trip
@hypothesis.given(s=hypothesis.strategies.datetimes())
def test_hypothesis_valid_naive_datetimes(s: datetime.datetime) -> None:
as_string = s.isoformat()
parsed = iso8601.parse_date(as_string, default_timezone=None)
print(f"{s!r} {as_string!r} {parsed!r}")
assert s == parsed
@hypothesis.given(
s=hypothesis.strategies.datetimes(timezones=hypothesis.extra.pytz.timezones())
)
def test_hypothesis_valid_datetimes_with_timezone(s: datetime.datetime) -> None:
as_string = s.isoformat()
parsed = iso8601.parse_date(as_string)
print(f"{s!r} {as_string!r} {parsed!r}")
assert s == parsed