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11
.gitattributes vendored Normal file
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@ -0,0 +1,11 @@
# SPDX-FileCopyrightText: 2024 Justin Myers for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
.py text eol=lf
.rst text eol=lf
.txt text eol=lf
.yaml text eol=lf
.toml text eol=lf
.license text eol=lf
.md text eol=lf

43
.pre-commit-config.yaml
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@ -1,42 +1,21 @@
# SPDX-FileCopyrightText: 2020 Diego Elio Pettenò
# SPDX-FileCopyrightText: 2024 Justin Myers for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
repos:
- repo: https://github.com/python/black
rev: 23.3.0
hooks:
- id: black
- repo: https://github.com/fsfe/reuse-tool
rev: v1.1.2
hooks:
- id: reuse
- repo: https://github.com/pre-commit/pre-commit-hooks
rev: v4.4.0
rev: v4.5.0
hooks:
- id: check-yaml
- id: end-of-file-fixer
- id: trailing-whitespace
- repo: https://github.com/pycqa/pylint
rev: v2.17.4
- repo: https://github.com/astral-sh/ruff-pre-commit
rev: v0.3.4
hooks:
- id: pylint
name: pylint (library code)
types: [python]
args:
- --disable=consider-using-f-string
exclude: "^(docs/|examples/|tests/|setup.py$)"
- id: pylint
name: pylint (example code)
description: Run pylint rules on "examples/*.py" files
types: [python]
files: "^examples/"
args:
- --disable=missing-docstring,invalid-name,consider-using-f-string,duplicate-code
- id: pylint
name: pylint (test code)
description: Run pylint rules on "tests/*.py" files
types: [python]
files: "^tests/"
args:
- --disable=missing-docstring,consider-using-f-string,duplicate-code
- id: ruff-format
- id: ruff
args: ["--fix"]
- repo: https://github.com/fsfe/reuse-tool
rev: v3.0.1
hooks:
- id: reuse

399
.pylintrc
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@ -1,399 +0,0 @@
# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
[MASTER]
# A comma-separated list of package or module names from where C extensions may
# be loaded. Extensions are loading into the active Python interpreter and may
# run arbitrary code
extension-pkg-whitelist=
# Add files or directories to the ignore-list. They should be base names, not
# paths.
ignore=CVS
# Add files or directories matching the regex patterns to the ignore-list. The
# regex matches against base names, not paths.
ignore-patterns=
# Python code to execute, usually for sys.path manipulation such as
# pygtk.require().
#init-hook=
# Use multiple processes to speed up Pylint.
jobs=1
# List of plugins (as comma separated values of python modules names) to load,
# usually to register additional checkers.
load-plugins=pylint.extensions.no_self_use
# Pickle collected data for later comparisons.
persistent=yes
# Specify a configuration file.
#rcfile=
# Allow loading of arbitrary C extensions. Extensions are imported into the
# active Python interpreter and may run arbitrary code.
unsafe-load-any-extension=no
[MESSAGES CONTROL]
# Only show warnings with the listed confidence levels. Leave empty to show
# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
confidence=
# Disable the message, report, category or checker with the given id(s). You
# can either give multiple identifiers separated by comma (,) or put this
# option multiple times (only on the command line, not in the configuration
# file where it should appear only once).You can also use "--disable=all" to
# disable everything first and then reenable specific checks. For example, if
# you want to run only the similarities checker, you can use "--disable=all
# --enable=similarities". If you want to run only the classes checker, but have
# no Warning level messages displayed, use"--disable=all --enable=classes
# --disable=W"
# disable=import-error,raw-checker-failed,bad-inline-option,locally-disabled,file-ignored,suppressed-message,useless-suppression,deprecated-pragma,deprecated-str-translate-call
disable=raw-checker-failed,bad-inline-option,locally-disabled,file-ignored,suppressed-message,useless-suppression,deprecated-pragma,import-error,pointless-string-statement,unspecified-encoding
# Enable the message, report, category or checker with the given id(s). You can
# either give multiple identifier separated by comma (,) or put this option
# multiple time (only on the command line, not in the configuration file where
# it should appear only once). See also the "--disable" option for examples.
enable=
[REPORTS]
# Python expression which should return a note less than 10 (10 is the highest
# note). You have access to the variables errors warning, statement which
# respectively contain the number of errors / warnings messages and the total
# number of statements analyzed. This is used by the global evaluation report
# (RP0004).
evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
# Template used to display messages. This is a python new-style format string
# used to format the message information. See doc for all details
#msg-template=
# Set the output format. Available formats are text, parseable, colorized, json
# and msvs (visual studio).You can also give a reporter class, eg
# mypackage.mymodule.MyReporterClass.
output-format=text
# Tells whether to display a full report or only the messages
reports=no
# Activate the evaluation score.
score=yes
[REFACTORING]
# Maximum number of nested blocks for function / method body
max-nested-blocks=5
[LOGGING]
# Logging modules to check that the string format arguments are in logging
# function parameter format
logging-modules=logging
[SPELLING]
# Spelling dictionary name. Available dictionaries: none. To make it working
# install python-enchant package.
spelling-dict=
# List of comma separated words that should not be checked.
spelling-ignore-words=
# A path to a file that contains private dictionary; one word per line.
spelling-private-dict-file=
# Tells whether to store unknown words to indicated private dictionary in
# --spelling-private-dict-file option instead of raising a message.
spelling-store-unknown-words=no
[MISCELLANEOUS]
# List of note tags to take in consideration, separated by a comma.
# notes=FIXME,XXX,TODO
notes=FIXME,XXX
[TYPECHECK]
# List of decorators that produce context managers, such as
# contextlib.contextmanager. Add to this list to register other decorators that
# produce valid context managers.
contextmanager-decorators=contextlib.contextmanager
# List of members which are set dynamically and missed by pylint inference
# system, and so shouldn't trigger E1101 when accessed. Python regular
# expressions are accepted.
generated-members=
# Tells whether missing members accessed in mixin class should be ignored. A
# mixin class is detected if its name ends with "mixin" (case insensitive).
ignore-mixin-members=yes
# This flag controls whether pylint should warn about no-member and similar
# checks whenever an opaque object is returned when inferring. The inference
# can return multiple potential results while evaluating a Python object, but
# some branches might not be evaluated, which results in partial inference. In
# that case, it might be useful to still emit no-member and other checks for
# the rest of the inferred objects.
ignore-on-opaque-inference=yes
# List of class names for which member attributes should not be checked (useful
# for classes with dynamically set attributes). This supports the use of
# qualified names.
ignored-classes=optparse.Values,thread._local,_thread._local
# List of module names for which member attributes should not be checked
# (useful for modules/projects where namespaces are manipulated during runtime
# and thus existing member attributes cannot be deduced by static analysis. It
# supports qualified module names, as well as Unix pattern matching.
ignored-modules=board
# Show a hint with possible names when a member name was not found. The aspect
# of finding the hint is based on edit distance.
missing-member-hint=yes
# The minimum edit distance a name should have in order to be considered a
# similar match for a missing member name.
missing-member-hint-distance=1
# The total number of similar names that should be taken in consideration when
# showing a hint for a missing member.
missing-member-max-choices=1
[VARIABLES]
# List of additional names supposed to be defined in builtins. Remember that
# you should avoid to define new builtins when possible.
additional-builtins=
# Tells whether unused global variables should be treated as a violation.
allow-global-unused-variables=yes
# List of strings which can identify a callback function by name. A callback
# name must start or end with one of those strings.
callbacks=cb_,_cb
# A regular expression matching the name of dummy variables (i.e. expectedly
# not used).
dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
# Argument names that match this expression will be ignored. Default to name
# with leading underscore
ignored-argument-names=_.*|^ignored_|^unused_
# Tells whether we should check for unused import in __init__ files.
init-import=no
# List of qualified module names which can have objects that can redefine
# builtins.
redefining-builtins-modules=six.moves,future.builtins
[FORMAT]
# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
# expected-line-ending-format=
expected-line-ending-format=LF
# Regexp for a line that is allowed to be longer than the limit.
ignore-long-lines=^\s*(# )?<?https?://\S+>?$
# Number of spaces of indent required inside a hanging or continued line.
indent-after-paren=4
# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
# tab).
indent-string=' '
# Maximum number of characters on a single line.
max-line-length=100
# Maximum number of lines in a module
max-module-lines=1000
# Allow the body of a class to be on the same line as the declaration if body
# contains single statement.
single-line-class-stmt=no
# Allow the body of an if to be on the same line as the test if there is no
# else.
single-line-if-stmt=no
[SIMILARITIES]
# Ignore comments when computing similarities.
ignore-comments=yes
# Ignore docstrings when computing similarities.
ignore-docstrings=yes
# Ignore imports when computing similarities.
ignore-imports=yes
# Minimum lines number of a similarity.
min-similarity-lines=12
[BASIC]
# Regular expression matching correct argument names
argument-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Regular expression matching correct attribute names
attr-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Bad variable names which should always be refused, separated by a comma
bad-names=foo,bar,baz,toto,tutu,tata
# Regular expression matching correct class attribute names
class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
# Regular expression matching correct class names
# class-rgx=[A-Z_][a-zA-Z0-9]+$
class-rgx=[A-Z_][a-zA-Z0-9_]+$
# Regular expression matching correct constant names
const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
# Minimum line length for functions/classes that require docstrings, shorter
# ones are exempt.
docstring-min-length=-1
# Regular expression matching correct function names
function-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Good variable names which should always be accepted, separated by a comma
# good-names=i,j,k,ex,Run,_
good-names=r,g,b,w,i,j,k,n,x,y,z,ex,ok,Run,_
# Include a hint for the correct naming format with invalid-name
include-naming-hint=no
# Regular expression matching correct inline iteration names
inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
# Regular expression matching correct method names
method-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Regular expression matching correct module names
module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
# Colon-delimited sets of names that determine each other's naming style when
# the name regexes allow several styles.
name-group=
# Regular expression which should only match function or class names that do
# not require a docstring.
no-docstring-rgx=^_
# List of decorators that produce properties, such as abc.abstractproperty. Add
# to this list to register other decorators that produce valid properties.
property-classes=abc.abstractproperty
# Regular expression matching correct variable names
variable-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
[IMPORTS]
# Allow wildcard imports from modules that define __all__.
allow-wildcard-with-all=no
# Analyse import fallback blocks. This can be used to support both Python 2 and
# 3 compatible code, which means that the block might have code that exists
# only in one or another interpreter, leading to false positives when analysed.
analyse-fallback-blocks=no
# Deprecated modules which should not be used, separated by a comma
deprecated-modules=optparse,tkinter.tix
# Create a graph of external dependencies in the given file (report RP0402 must
# not be disabled)
ext-import-graph=
# Create a graph of every (i.e. internal and external) dependencies in the
# given file (report RP0402 must not be disabled)
import-graph=
# Create a graph of internal dependencies in the given file (report RP0402 must
# not be disabled)
int-import-graph=
# Force import order to recognize a module as part of the standard
# compatibility libraries.
known-standard-library=
# Force import order to recognize a module as part of a third party library.
known-third-party=enchant
[CLASSES]
# List of method names used to declare (i.e. assign) instance attributes.
defining-attr-methods=__init__,__new__,setUp
# List of member names, which should be excluded from the protected access
# warning.
exclude-protected=_asdict,_fields,_replace,_source,_make
# List of valid names for the first argument in a class method.
valid-classmethod-first-arg=cls
# List of valid names for the first argument in a metaclass class method.
valid-metaclass-classmethod-first-arg=mcs
[DESIGN]
# Maximum number of arguments for function / method
max-args=5
# Maximum number of attributes for a class (see R0902).
# max-attributes=7
max-attributes=11
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max-branches=12
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max-parents=7
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max-returns=6
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max-statements=50
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min-public-methods=1
[EXCEPTIONS]
# Exceptions that will emit a warning when being caught. Defaults to
# "Exception"
overgeneral-exceptions=builtins.Exception

6
README.rst
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@ -13,9 +13,9 @@ Introduction
:target: https://github.com/adafruit/Adafruit_CircuitPython_datetime/actions
:alt: Build Status
.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
:target: https://github.com/psf/black
:alt: Code Style: Black
.. image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json
:target: https://github.com/astral-sh/ruff
:alt: Code Style: Ruff
Basic date and time types. Implements a subset of the `CPython datetime module <https://docs.python.org/3/library/datetime.html>`_.

181
adafruit_datetime.py
View file

@ -26,14 +26,15 @@ Implementation Notes
"""
# pylint: disable=too-many-lines
import time as _time
import math as _math
import re as _re
import time as _time
from micropython import const
try:
from typing import Any, Union, Optional, Tuple, Sequence, List
from typing import Any, List, Optional, Sequence, Tuple, Union
except ImportError:
pass
@ -76,18 +77,12 @@ def _cmp(obj_x: Any, obj_y: Any) -> int:
return 0 if obj_x == obj_y else 1 if obj_x > obj_y else -1
def _cmperror(
obj_x: Union["datetime", "timedelta"], obj_y: Union["datetime", "timedelta"]
) -> None:
raise TypeError(
"can't compare '%s' to '%s'" % (type(obj_x).__name__, type(obj_y).__name__)
)
def _cmperror(obj_x: Union["datetime", "timedelta"], obj_y: Union["datetime", "timedelta"]) -> None:
raise TypeError(f"can't compare '{type(obj_x).__name__}' to '{type(obj_y).__name__}'")
# Utility functions - time
def _check_time_fields(
hour: int, minute: int, second: int, microsecond: int, fold: int
) -> None:
def _check_time_fields(hour: int, minute: int, second: int, microsecond: int, fold: int) -> None:
if not isinstance(hour, int):
raise TypeError("Hour expected as int")
if not 0 <= hour <= 23:
@ -98,32 +93,25 @@ def _check_time_fields(
raise ValueError("second must be in 0..59", second)
if not 0 <= microsecond <= 999999:
raise ValueError("microsecond must be in 0..999999", microsecond)
if fold not in (0, 1): # from CPython API
if fold not in {0, 1}: # from CPython API
raise ValueError("fold must be either 0 or 1", fold)
def _check_utc_offset(name: str, offset: "timedelta") -> None:
assert name in ("utcoffset", "dst")
assert name in {"utcoffset", "dst"}
if offset is None:
return
if not isinstance(offset, timedelta):
raise TypeError(
"tzinfo.%s() must return None "
"or timedelta, not '%s'" % (name, type(offset))
)
raise TypeError(f"tzinfo.{name}() must return None or timedelta, not '{type(offset)}'")
if offset % timedelta(minutes=1) or offset.microseconds:
raise ValueError(
"tzinfo.%s() must return a whole number "
"of minutes, got %s" % (name, offset)
)
raise ValueError(f"tzinfo.{name}() must return a whole number of minutes, got {offset}")
if not -timedelta(1) < offset < timedelta(1):
raise ValueError(
"%s()=%s, must be must be strictly between"
" -timedelta(hours=24) and timedelta(hours=24)" % (name, offset)
f"{name}()={offset}, must be must be strictly between"
" -timedelta(hours=24) and timedelta(hours=24)"
)
# pylint: disable=invalid-name
def _format_offset(off: "timedelta") -> str:
s = ""
if off is not None:
@ -134,12 +122,12 @@ def _format_offset(off: "timedelta") -> str:
sign = "+"
hh, mm = divmod(off, timedelta(hours=1))
mm, ss = divmod(mm, timedelta(minutes=1))
s += "%s%02d:%02d" % (sign, hh, mm)
s += f"{sign}{hh:02d}:{mm:02d}"
if ss or ss.microseconds:
s += ":%02d" % ss.seconds
s += f":{ss.seconds:02d}"
if ss.microseconds:
s += ".%06d" % ss.microseconds
s += f".{ss.microseconds:06d}"
return s
@ -147,9 +135,7 @@ def _format_offset(off: "timedelta") -> str:
def _check_tzname(name: Optional[str]) -> None:
""" "Just raise TypeError if the arg isn't None or a string."""
if name is not None and not isinstance(name, str):
raise TypeError(
"tzinfo.tzname() must return None or string, " "not '%s'" % type(name)
)
raise TypeError("tzinfo.tzname() must return None or string, " "not '%s'" % type(name))
def _check_tzinfo_arg(time_zone: Optional["tzinfo"]):
@ -203,7 +189,6 @@ def _ymd2ord(year: int, month: int, day: int) -> int:
return _days_before_year(year) + _days_before_month(year, month) + day
# pylint: disable=too-many-arguments
def _build_struct_time(
tm_year: int,
tm_month: int,
@ -230,7 +215,6 @@ def _build_struct_time(
)
# pylint: disable=invalid-name
def _format_time(hh: int, mm: int, ss: int, us: int, timespec: str = "auto") -> str:
if timespec != "auto":
raise NotImplementedError("Only default timespec supported")
@ -321,7 +305,6 @@ def _ord2ymd(n: int) -> Tuple[int, int, int]:
class timedelta:
"""A timedelta object represents a duration, the difference between two dates or times."""
# pylint: disable=too-many-arguments, too-many-locals, too-many-statements
def __new__(
cls,
days: int = 0,
@ -459,31 +442,28 @@ class timedelta:
def __repr__(self) -> str:
args = []
if self._days:
args.append("days=%d" % self._days)
args.append(f"days={self._days}")
if self._seconds:
args.append("seconds=%d" % self._seconds)
args.append(f"seconds={self._seconds}")
if self._microseconds:
args.append("microseconds=%d" % self._microseconds)
args.append(f"microseconds={self._microseconds}")
if not args:
args.append("0")
return "%s.%s(%s)" % (
self.__class__.__module__,
self.__class__.__qualname__,
", ".join(args),
)
return f"{self.__class__.__module__}.{self.__class__.__qualname__}({', '.join(args)})"
def __str__(self) -> str:
mm, ss = divmod(self._seconds, 60)
hh, mm = divmod(mm, 60)
s = "%d:%02d:%02d" % (hh, mm, ss)
s = f"{hh}:{mm:02d}:{ss:02d}"
if self._days:
def plural(n):
return n, abs(n) != 1 and "s" or ""
s = ("%d day%s, " % plural(self._days)) + s
days, suffix = plural(self._days)
s = f"{days} day{suffix}, {s}"
if self._microseconds:
s = s + ".%06d" % self._microseconds
s = f"{s}.{self._microseconds:06d}"
return s
# Supported operations
@ -535,9 +515,7 @@ class timedelta:
if isinstance(other, int):
# for CPython compatibility, we cannot use
# our __class__ here, but need a real timedelta
return timedelta(
self._days * other, self._seconds * other, self._microseconds * other
)
return timedelta(self._days * other, self._seconds * other, self._microseconds * other)
if isinstance(other, float):
# a, b = other.as_integer_ratio()
# return self * a / b
@ -578,7 +556,6 @@ class timedelta:
_cmperror(self, other)
return self._cmp(other) > 0
# pylint: disable=no-self-use, protected-access
def _cmp(self, other: "timedelta") -> int:
assert isinstance(other, timedelta)
return _cmp(self._getstate(), other._getstate())
@ -590,7 +567,6 @@ class timedelta:
return (self._days, self._seconds, self._microseconds)
# pylint: disable=no-self-use
class tzinfo:
"""This is an abstract base class, meaning that this class should not
be instantiated directly. Define a subclass of tzinfo to capture information
@ -609,15 +585,13 @@ class tzinfo:
"""Return the time zone name corresponding to the datetime object dt, as a string."""
raise NotImplementedError("tzinfo subclass must override tzname()")
def dst(self, dt: "datetime") -> None: # pylint: disable=unused-argument
def dst(self, dt: "datetime") -> None:
"""Return the DST setting correspinding to the datetime object dt, as a number.
DST usage is currently not implemented for this library.
"""
return None
# tzinfo is an abstract base class, disabling for self._offset
# pylint: disable=no-member
def fromutc(self, dt: "datetime") -> "datetime":
"datetime in UTC -> datetime in local time."
@ -696,9 +670,7 @@ class date:
Valid format is ``YYYY-MM-DD``
"""
match = _re.match(
r"([0-9][0-9][0-9][0-9])-([0-9][0-9])-([0-9][0-9])$", date_string
)
match = _re.match(r"([0-9][0-9][0-9][0-9])-([0-9][0-9])-([0-9][0-9])$", date_string)
if match:
y, m, d = int(match.group(1)), int(match.group(2)), int(match.group(3))
return cls(y, m, d)
@ -748,19 +720,14 @@ class date:
def isoformat(self) -> str:
"""Return a string representing the date in ISO 8601 format, YYYY-MM-DD:"""
return "%04d-%02d-%02d" % (self._year, self._month, self._day)
return f"{self._year:04d}-{self._month:02d}-{self._day:02d}"
# For a date d, str(d) is equivalent to d.isoformat()
__str__ = isoformat
def __repr__(self) -> str:
"""Convert to formal string, for repr()."""
return "%s(%d, %d, %d)" % (
"datetime." + self.__class__.__name__,
self._year,
self._month,
self._day,
)
return f"datetime.{self.__class__.__name__}({self._year}, {self._month}, {self._day})"
# Supported comparisons
def __eq__(self, other: "date") -> bool:
@ -822,9 +789,7 @@ class timezone(tzinfo):
# Sentinel value to disallow None
_Omitted = object()
def __new__(
cls, offset: timedelta, name: Union[str, object] = _Omitted
) -> "timezone":
def __new__(cls, offset: timedelta, name: Union[str, object] = _Omitted) -> "timezone":
if not isinstance(offset, timedelta):
raise TypeError("offset must be a timedelta")
if name is cls._Omitted:
@ -840,14 +805,11 @@ class timezone(tzinfo):
" timedelta(hours=24)."
)
if offset.microseconds != 0 or offset.seconds % 60 != 0:
raise ValueError(
"offset must be a timedelta representing a whole number of minutes"
)
raise ValueError("offset must be a timedelta representing a whole number of minutes")
cls._offset = offset
cls._name = name
return cls._create(offset, name)
# pylint: disable=protected-access, bad-super-call
@classmethod
def _create(cls, offset: timedelta, name: Optional[str] = None) -> "timezone":
"""High-level creation for a timezone object."""
@ -883,12 +845,8 @@ class timezone(tzinfo):
if self is self.utc:
return "datetime.timezone.utc"
if self._name is None:
return "%s(%r)" % ("datetime." + self.__class__.__name__, self._offset)
return "%s(%r, %r)" % (
"datetime." + self.__class__.__name__,
self._offset,
self._name,
)
return f"datetime.{self.__class__.__name__}({self._offset!r})"
return f"datetime.{self.__class__.__name__}({self._offset!r}, {self._name!r})"
def __str__(self) -> str:
return self.tzname(None)
@ -902,7 +860,7 @@ class timezone(tzinfo):
sign = "+"
hours, rest = divmod(delta, timedelta(hours=1))
minutes = rest // timedelta(minutes=1)
return "UTC{}{:02d}:{:02d}".format(sign, hours, minutes)
return f"UTC{sign}{hours:02d}:{minutes:02d}"
maxoffset = timedelta(hours=23, minutes=59)
minoffset = -maxoffset
@ -914,7 +872,6 @@ class time:
"""
# pylint: disable=redefined-outer-name
def __new__(
cls,
hour: int = 0,
@ -987,7 +944,6 @@ class time:
raise ValueError()
return results
# pylint: disable=too-many-locals
@classmethod
def fromisoformat(cls, time_string: str) -> "time":
"""Return a time object constructed from an ISO date format.
@ -1074,9 +1030,7 @@ class time:
HH:MM:SS+HH:MM[:SS[.ffffff]], if microsecond is 0 and utcoffset() does not return None
"""
s = _format_time(
self._hour, self._minute, self._second, self._microsecond, timespec
)
s = _format_time(self._hour, self._minute, self._second, self._microsecond, timespec)
tz = self._tzstr()
if tz:
s += tz
@ -1195,31 +1149,26 @@ class time:
assert not mm % timedelta(minutes=1), "whole minute"
mm //= timedelta(minutes=1)
assert 0 <= hh < 24
off = "%s%02d%s%02d" % (sign, hh, sep, mm)
off = f"{sign}{hh:02d}{sep}{mm:02d}"
return off
def __format__(self, fmt: str) -> str:
if not isinstance(fmt, str):
raise TypeError("must be str, not %s" % type(fmt).__name__)
raise TypeError(f"must be str, not {type(fmt).__name__}")
return str(self)
def __repr__(self) -> str:
"""Convert to formal string, for repr()."""
if self._microsecond != 0:
s = ", %d, %d" % (self._second, self._microsecond)
s = f", {self._second}, {self._microsecond}"
elif self._second != 0:
s = ", %d" % self._second
s = f", {self._second}"
else:
s = ""
s = "%s(%d, %d%s)" % (
"datetime." + self.__class__.__name__,
self._hour,
self._minute,
s,
)
s = f"datetime.{self.__class__.__name__}({self._hour}, {self._minute}{s})"
if self._tzinfo is not None:
assert s[-1:] == ")"
s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
s = f"{s[:-1]}, tzinfo={self._tzinfo!r})"
return s
# Pickle support
@ -1235,7 +1184,6 @@ class time:
return (basestate,)
# pylint: disable=too-many-instance-attributes, too-many-public-methods
class datetime(date):
"""A datetime object is a single object containing all the information
from a date object and a time object. Like a date object, datetime assumes
@ -1244,7 +1192,6 @@ class datetime(date):
"""
# pylint: disable=redefined-outer-name
def __new__(
cls,
year: int,
@ -1325,7 +1272,6 @@ class datetime(date):
# Class methods
# pylint: disable=protected-access
@classmethod
def _fromtimestamp(cls, t: float, utc: bool, tz: Optional["tzinfo"]) -> "datetime":
"""Construct a datetime from a POSIX timestamp (like time.time()).
@ -1344,9 +1290,7 @@ class datetime(date):
us = 0
if utc:
raise NotImplementedError(
"CircuitPython does not currently implement time.gmtime."
)
raise NotImplementedError("CircuitPython does not currently implement time.gmtime.")
converter = _time.localtime
struct_time = converter(t)
ss = min(struct_time[5], 59) # clamp out leap seconds if the platform has them
@ -1364,11 +1308,8 @@ class datetime(date):
result = tz.fromutc(result)
return result
## pylint: disable=arguments-differ, arguments-renamed
@classmethod
def fromtimestamp(
cls, timestamp: float, tz: Optional["tzinfo"] = None
) -> "datetime":
def fromtimestamp(cls, timestamp: float, tz: Optional["tzinfo"] = None) -> "datetime":
return cls._fromtimestamp(timestamp, tz is not None, tz)
@classmethod
@ -1532,15 +1473,7 @@ class datetime(date):
def ctime(self) -> str:
"Return string representing the datetime."
weekday = self.toordinal() % 7 or 7
return "%s %s %2d %02d:%02d:%02d %04d" % (
_DAYNAMES[weekday],
_MONTHNAMES[self._month],
self._day,
self._hour,
self._minute,
self._second,
self._year,
)
return f"{_DAYNAMES[weekday]} {_MONTHNAMES[self._month]} {self._day:2d} {self._hour:02d}:{self._minute:02d}:{self._second:02d} {self._year:04d}" # noqa: E501
def __repr__(self) -> str:
"""Convert to formal string, for repr()."""
@ -1558,10 +1491,10 @@ class datetime(date):
if L[-1] == 0:
del L[-1]
s = ", ".join(map(str, L))
s = "%s(%s)" % ("datetime." + self.__class__.__name__, s)
s = f"datetime.{self.__class__.__name__}({s})"
if self._tzinfo is not None:
assert s[-1:] == ")"
s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
s = f"{s[:-1]}, tzinfo={self._tzinfo!r})"
return s
def isoformat(self, sep: str = "T", timespec: str = "auto") -> str:
@ -1569,12 +1502,7 @@ class datetime(date):
ISO8601 format.
"""
s = "%04d-%02d-%02d%c" % (
self._year,
self._month,
self._day,
sep,
) + _format_time(
s = f"{self._year:04d}-{self._month:02d}-{self._day:02d}{sep}" + _format_time(
self._hour, self._minute, self._second, self._microsecond, timespec
)
@ -1625,9 +1553,7 @@ class datetime(date):
tzinfo = self.tzinfo
if fold is None:
fold = self._fold
return type(self)(
year, month, day, hour, minute, second, microsecond, tzinfo, fold=fold
)
return type(self)(year, month, day, hour, minute, second, microsecond, tzinfo, fold=fold)
# Comparisons of datetime objects.
def __eq__(self, other: Any) -> bool:
@ -1738,9 +1664,7 @@ class datetime(date):
days2 = other.toordinal()
secs1 = self._second + self._minute * 60 + self._hour * 3600
secs2 = other._second + other._minute * 60 + other._hour * 3600
base = timedelta(
days1 - days2, secs1 - secs2, self._microsecond - other._microsecond
)
base = timedelta(days1 - days2, secs1 - secs2, self._microsecond - other._microsecond)
if self._tzinfo is other._tzinfo:
return base
myoff = self.utcoffset()
@ -1760,9 +1684,7 @@ class datetime(date):
else:
days = _ymd2ord(self.year, self.month, self.day)
seconds = self.hour * 3600 + self.minute * 60 + self.second
self._hashcode = hash(
timedelta(days, seconds, self.microsecond) - tzoff
)
self._hashcode = hash(timedelta(days, seconds, self.microsecond) - tzoff)
return self._hashcode
def _getstate(self) -> Tuple[bytes]:
@ -1793,7 +1715,6 @@ class datetime(date):
# Module exports
# pylint: disable=protected-access
timezone.utc = timezone._create(timedelta(0))
timezone.min = timezone._create(timezone.minoffset)
timezone.max = timezone._create(timezone.maxoffset)

3
docs/api.rst
View file

@ -4,5 +4,8 @@
.. If your library file(s) are nested in a directory (e.g. /adafruit_foo/foo.py)
.. use this format as the module name: "adafruit_foo.foo"
API Reference
#############
.. automodule:: adafruit_datetime
:members:

8
docs/conf.py
View file

@ -1,12 +1,10 @@
# -*- coding: utf-8 -*-
# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: MIT
import datetime
import os
import sys
import datetime
sys.path.insert(0, os.path.abspath(".."))
@ -51,9 +49,7 @@ project = "Adafruit datetime Library"
creation_year = "2021"
current_year = str(datetime.datetime.now().year)
year_duration = (
current_year
if current_year == creation_year
else creation_year + " - " + current_year
current_year if current_year == creation_year else creation_year + " - " + current_year
)
copyright = year_duration + " Brent Rubell"
author = "Brent Rubell"

2
examples/datetime_simpletest.py
View file

@ -11,7 +11,7 @@
# Example of working with a `datetime` object
# from https://docs.python.org/3/library/datetime.html#examples-of-usage-datetime
from adafruit_datetime import datetime, date, time
from adafruit_datetime import date, datetime, time
# Using datetime.combine()
d = date(2005, 7, 14)

111
ruff.toml Normal file
View file

@ -0,0 +1,111 @@
# SPDX-FileCopyrightText: 2024 Tim Cocks for Adafruit Industries
#
# SPDX-License-Identifier: MIT
target-version = "py38"
line-length = 100
[lint]
preview = true
select = ["I", "PL", "UP"]
extend-select = [
"D419", # empty-docstring
"E501", # line-too-long
"W291", # trailing-whitespace
"PLC0414", # useless-import-alias
"PLC2401", # non-ascii-name
"PLC2801", # unnecessary-dunder-call
"PLC3002", # unnecessary-direct-lambda-call
"E999", # syntax-error
"PLE0101", # return-in-init
"F706", # return-outside-function
"F704", # yield-outside-function
"PLE0116", # continue-in-finally
"PLE0117", # nonlocal-without-binding
"PLE0241", # duplicate-bases
"PLE0302", # unexpected-special-method-signature
"PLE0604", # invalid-all-object
"PLE0605", # invalid-all-format
"PLE0643", # potential-index-error
"PLE0704", # misplaced-bare-raise
"PLE1141", # dict-iter-missing-items
"PLE1142", # await-outside-async
"PLE1205", # logging-too-many-args
"PLE1206", # logging-too-few-args
"PLE1307", # bad-string-format-type
"PLE1310", # bad-str-strip-call
"PLE1507", # invalid-envvar-value
"PLE2502", # bidirectional-unicode
"PLE2510", # invalid-character-backspace
"PLE2512", # invalid-character-sub
"PLE2513", # invalid-character-esc
"PLE2514", # invalid-character-nul
"PLE2515", # invalid-character-zero-width-space
"PLR0124", # comparison-with-itself
"PLR0202", # no-classmethod-decorator
"PLR0203", # no-staticmethod-decorator
"UP004", # useless-object-inheritance
"PLR0206", # property-with-parameters
"PLR0904", # too-many-public-methods
"PLR0911", # too-many-return-statements
"PLR0912", # too-many-branches
"PLR0913", # too-many-arguments
"PLR0914", # too-many-locals
"PLR0915", # too-many-statements
"PLR0916", # too-many-boolean-expressions
"PLR1702", # too-many-nested-blocks
"PLR1704", # redefined-argument-from-local
"PLR1711", # useless-return
"C416", # unnecessary-comprehension
"PLR1733", # unnecessary-dict-index-lookup
"PLR1736", # unnecessary-list-index-lookup
# ruff reports this rule is unstable
#"PLR6301", # no-self-use
"PLW0108", # unnecessary-lambda
"PLW0120", # useless-else-on-loop
"PLW0127", # self-assigning-variable
"PLW0129", # assert-on-string-literal
"B033", # duplicate-value
"PLW0131", # named-expr-without-context
"PLW0245", # super-without-brackets
"PLW0406", # import-self
"PLW0602", # global-variable-not-assigned
"PLW0603", # global-statement
"PLW0604", # global-at-module-level
# fails on the try: import typing used by libraries
#"F401", # unused-import
"F841", # unused-variable
"E722", # bare-except
"PLW0711", # binary-op-exception
"PLW1501", # bad-open-mode
"PLW1508", # invalid-envvar-default
"PLW1509", # subprocess-popen-preexec-fn
"PLW2101", # useless-with-lock
"PLW3301", # nested-min-max
]
ignore = [
"PLR2004", # magic-value-comparison
"UP030", # format literals
"PLW1514", # unspecified-encoding
"PLR0913", # too-many-arguments
"PLR0915", # too-many-statements
"PLR0917", # too-many-positional-arguments
"PLR0904", # too-many-public-methods
"PLR0912", # too-many-branches
"PLR0916", # too-many-boolean-expressions
"PLR6301", # could-be-static no-self-use
"PLC0415", # import outside toplevel
"PLC2701", # private import
"PLW2901", # loop var overwrite
"PLW1641", # obj not implement hash function
"PLR0914", # too many locals
]
[format]
line-ending = "lf"

22
tests/test_date.py
View file

@ -12,10 +12,10 @@
# pylint:disable=invalid-name, no-member, wrong-import-position, undefined-variable, no-self-use, cell-var-from-loop, too-many-public-methods, fixme, import-outside-toplevel, unused-argument, too-few-public-methods
import sys
import unittest
from datetime import MAXYEAR, MINYEAR
# CPython standard implementation
from datetime import date as cpython_date
from datetime import MINYEAR, MAXYEAR
# CircuitPython subset implementation
sys.path.append("..")
@ -130,9 +130,7 @@ class TestDate(unittest.TestCase):
# It worked or it didn't. If it didn't, assume it's reason #2, and
# let the test pass if they're within half a second of each other.
self.assertTrue(
today == todayagain or abs(todayagain - today) < timedelta(seconds=0.5)
)
self.assertTrue(today == todayagain or abs(todayagain - today) < timedelta(seconds=0.5))
def test_weekday(self):
for i in range(7):
@ -155,9 +153,7 @@ class TestDate(unittest.TestCase):
cpython_date(1956, 1, 2 + i).isoweekday(),
)
@unittest.skip(
"Skip for CircuitPython - isocalendar() not implemented for date objects."
)
@unittest.skip("Skip for CircuitPython - isocalendar() not implemented for date objects.")
def test_isocalendar(self):
# Check examples from
# http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
@ -187,9 +183,7 @@ class TestDate(unittest.TestCase):
t = cpy_date(2002, 3, 2)
self.assertEqual(t.ctime(), "Sat Mar 2 00:00:00 2002")
@unittest.skip(
"Skip for CircuitPython - strftime() not implemented for date objects."
)
@unittest.skip("Skip for CircuitPython - strftime() not implemented for date objects.")
def test_strftime(self):
t = cpy_date(2005, 3, 2)
self.assertEqual(t.strftime("m:%m d:%d y:%y"), "m:03 d:02 y:05")
@ -252,9 +246,7 @@ class TestDate(unittest.TestCase):
self.assertEqual(a.__format__(fmt), dt.strftime(fmt))
self.assertEqual(b.__format__(fmt), 'B')"""
@unittest.skip(
"Skip for CircuitPython - min/max/resolution not implemented for date objects."
)
@unittest.skip("Skip for CircuitPython - min/max/resolution not implemented for date objects.")
def test_resolution_info(self):
# XXX: Should min and max respect subclassing?
if issubclass(cpy_date, datetime):
@ -405,9 +397,7 @@ class TestDate(unittest.TestCase):
self.assertEqual(our < their, True)
self.assertEqual(their < our, False)
@unittest.skip(
"Skip for CircuitPython - min/max date attributes not implemented yet."
)
@unittest.skip("Skip for CircuitPython - min/max date attributes not implemented yet.")
def test_bool(self):
# All dates are considered true.
self.assertTrue(cpy_date.min)

83
tests/test_datetime.py
View file

@ -14,20 +14,17 @@ import sys
# CircuitPython subset implementation
sys.path.append("..")
from adafruit_datetime import datetime as cpy_datetime
from adafruit_datetime import timedelta
from adafruit_datetime import tzinfo
from adafruit_datetime import date
from adafruit_datetime import time
from adafruit_datetime import timezone
import unittest
from test import support
from test_date import TestDate
from datetime import MAXYEAR, MINYEAR
# CPython standard implementation
from datetime import datetime as cpython_datetime
from datetime import MINYEAR, MAXYEAR
from test import support
from test_date import TestDate
from adafruit_datetime import date, time, timedelta, timezone, tzinfo
from adafruit_datetime import datetime as cpy_datetime
# TZinfo test
@ -158,12 +155,8 @@ class TestDateTime(TestDate):
self.assertEqual(t.isoformat(timespec="hours"), "0001-02-03T04")
self.assertEqual(t.isoformat(timespec="minutes"), "0001-02-03T04:05")
self.assertEqual(t.isoformat(timespec="seconds"), "0001-02-03T04:05:01")
self.assertEqual(
t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.000"
)
self.assertEqual(
t.isoformat(timespec="microseconds"), "0001-02-03T04:05:01.000123"
)
self.assertEqual(t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.000")
self.assertEqual(t.isoformat(timespec="microseconds"), "0001-02-03T04:05:01.000123")
self.assertEqual(t.isoformat(timespec="auto"), "0001-02-03T04:05:01.000123")
self.assertEqual(t.isoformat(sep=" ", timespec="minutes"), "0001-02-03 04:05")
self.assertRaises(ValueError, t.isoformat, timespec="foo")
@ -173,23 +166,15 @@ class TestDateTime(TestDate):
self.assertEqual(str(t), "0001-02-03 04:05:01.000123")
t = self.theclass(1, 2, 3, 4, 5, 1, 999500, tzinfo=timezone.utc)
self.assertEqual(
t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.999+00:00"
)
self.assertEqual(t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.999+00:00")
t = self.theclass(1, 2, 3, 4, 5, 1, 999500)
self.assertEqual(
t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.999"
)
self.assertEqual(t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.999")
t = self.theclass(1, 2, 3, 4, 5, 1)
self.assertEqual(t.isoformat(timespec="auto"), "0001-02-03T04:05:01")
self.assertEqual(
t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.000"
)
self.assertEqual(
t.isoformat(timespec="microseconds"), "0001-02-03T04:05:01.000000"
)
self.assertEqual(t.isoformat(timespec="milliseconds"), "0001-02-03T04:05:01.000")
self.assertEqual(t.isoformat(timespec="microseconds"), "0001-02-03T04:05:01.000000")
t = self.theclass(2, 3, 2)
self.assertEqual(t.isoformat(), "0002-03-02T00:00:00")
@ -284,9 +269,7 @@ class TestDateTime(TestDate):
# So test a case where that difference doesn't matter.
t = self.theclass(2002, 3, 22, 18, 3, 5, 123)
self.assertEqual(
t.ctime(), cpython_time.ctime(cpython_time.mktime(t.timetuple()))
)
self.assertEqual(t.ctime(), cpython_time.ctime(cpython_time.mktime(t.timetuple())))
def test_tz_independent_comparing(self):
dt1 = self.theclass(2002, 3, 1, 9, 0, 0)
@ -435,16 +418,12 @@ class TestDateTime(TestDate):
a + (week + day + hour + millisec),
self.theclass(2002, 3, 10, 18, 6, 0, 1000),
)
self.assertEqual(
a + (week + day + hour + millisec), (((a + week) + day) + hour) + millisec
)
self.assertEqual(a + (week + day + hour + millisec), (((a + week) + day) + hour) + millisec)
self.assertEqual(
a - (week + day + hour + millisec),
self.theclass(2002, 2, 22, 16, 5, 59, 999000),
)
self.assertEqual(
a - (week + day + hour + millisec), (((a - week) - day) - hour) - millisec
)
self.assertEqual(a - (week + day + hour + millisec), (((a - week) - day) - hour) - millisec)
# Add/sub ints or floats should be illegal
for i in 1, 1.0:
self.assertRaises(TypeError, lambda: a + i)
@ -532,12 +511,8 @@ class TestDateTime(TestDate):
# Missing hour
t0 = self.theclass(2012, 3, 11, 2, 30)
t1 = t0.replace(fold=1)
self.assertEqual(
self.theclass.fromtimestamp(t1.timestamp()), t0 - timedelta(hours=1)
)
self.assertEqual(
self.theclass.fromtimestamp(t0.timestamp()), t1 + timedelta(hours=1)
)
self.assertEqual(self.theclass.fromtimestamp(t1.timestamp()), t0 - timedelta(hours=1))
self.assertEqual(self.theclass.fromtimestamp(t0.timestamp()), t1 + timedelta(hours=1))
# Ambiguous hour defaults to DST
t = self.theclass(2012, 11, 4, 1, 30)
self.assertEqual(self.theclass.fromtimestamp(t.timestamp()), t)
@ -556,9 +531,7 @@ class TestDateTime(TestDate):
self.assertEqual(t.timestamp(), 0.0)
t = self.theclass(1970, 1, 1, 1, 2, 3, 4, tzinfo=timezone.utc)
self.assertEqual(t.timestamp(), 3600 + 2 * 60 + 3 + 4 * 1e-6)
t = self.theclass(
1970, 1, 1, 1, 2, 3, 4, tzinfo=timezone(timedelta(hours=-5), "EST")
)
t = self.theclass(1970, 1, 1, 1, 2, 3, 4, tzinfo=timezone(timedelta(hours=-5), "EST"))
self.assertEqual(t.timestamp(), 18000 + 3600 + 2 * 60 + 3 + 4 * 1e-6)
@unittest.skip("Not implemented - gmtime")
@ -609,9 +582,7 @@ class TestDateTime(TestDate):
min_ts = min_dt.timestamp()
try:
# date 0001-01-01 00:00:00+00:00: timestamp=-62135596800
self.assertEqual(
self.theclass.fromtimestamp(min_ts, tz=timezone.utc), min_dt
)
self.assertEqual(self.theclass.fromtimestamp(min_ts, tz=timezone.utc), min_dt)
except (OverflowError, OSError) as exc:
# the date 0001-01-01 doesn't fit into 32-bit time_t,
# or platform doesn't support such very old date
@ -718,7 +689,7 @@ class TestDateTime(TestDate):
sign = "+"
seconds = tzseconds
hours, minutes = divmod(seconds // 60, 60)
dtstr = "{}{:02d}{:02d} {}".format(sign, hours, minutes, tzname)
dtstr = f"{sign}{hours:02d}{minutes:02d} {tzname}"
dt = strptime(dtstr, "%z %Z")
self.assertEqual(dt.utcoffset(), timedelta(seconds=tzseconds))
self.assertEqual(dt.tzname(), tzname)
@ -766,9 +737,7 @@ class TestDateTime(TestDate):
]
for reason, string, format, target in inputs:
reason = "test single digit " + reason
with self.subTest(
reason=reason, string=string, format=format, target=target
):
with self.subTest(reason=reason, string=string, format=format, target=target):
newdate = strptime(string, format)
self.assertEqual(newdate, target, msg=reason)
@ -805,9 +774,7 @@ class TestDateTime(TestDate):
def test_more_strftime(self):
# This tests fields beyond those tested by the TestDate.test_strftime.
t = self.theclass(2004, 12, 31, 6, 22, 33, 47)
self.assertEqual(
t.strftime("%m %d %y %f %S %M %H %j"), "12 31 04 000047 33 22 06 366"
)
self.assertEqual(t.strftime("%m %d %y %f %S %M %H %j"), "12 31 04 000047 33 22 06 366")
for (s, us), z in [
((33, 123), "33.000123"),
((33, 0), "33"),
@ -996,9 +963,7 @@ class TestDateTime(TestDate):
for constr_name, constr_args, expected in test_cases:
for base_obj in (DateTimeSubclass, base_d):
# Test both the classmethod and method
with self.subTest(
base_obj_type=type(base_obj), constr_name=constr_name
):
with self.subTest(base_obj_type=type(base_obj), constr_name=constr_name):
constructor = getattr(base_obj, constr_name)
dt = constructor(*constr_args)

12
tests/test_time.py
View file

@ -14,12 +14,12 @@
import sys
sys.path.append("..")
from adafruit_datetime import time as cpy_time
import unittest
# CPython standard implementation
from datetime import time as cpython_time
import unittest
from adafruit_datetime import time as cpy_time
# An arbitrary collection of objects of non-datetime types, for testing
# mixed-type comparisons.
@ -274,12 +274,8 @@ class TestTime(HarmlessMixedComparison, unittest.TestCase):
def test_repr(self):
name = "datetime." + self.theclass.__name__
self.assertEqual(repr(self.theclass(1, 2, 3, 4)), "%s(1, 2, 3, 4)" % name)
self.assertEqual(
repr(self.theclass(10, 2, 3, 4000)), "%s(10, 2, 3, 4000)" % name
)
self.assertEqual(
repr(self.theclass(0, 2, 3, 400000)), "%s(0, 2, 3, 400000)" % name
)
self.assertEqual(repr(self.theclass(10, 2, 3, 4000)), "%s(10, 2, 3, 4000)" % name)
self.assertEqual(repr(self.theclass(0, 2, 3, 400000)), "%s(0, 2, 3, 400000)" % name)
self.assertEqual(repr(self.theclass(12, 2, 3, 0)), "%s(12, 2, 3)" % name)
self.assertEqual(repr(self.theclass(23, 15, 0, 0)), "%s(23, 15)" % name)