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Replaced the PeriodSpecification object-based utility with the get_spec function-based utility, for simplicity.

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依瑪貓 2023-03-09 19:30:36 +08:00
parent 7ad3f9e0cb
commit 4432484acd
2 changed files with 86 additions and 84 deletions
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4
src/accounting/report/period/period.py
View File

@ -27,7 +27,7 @@ from datetime import date, timedelta
from accounting.locale import gettext from accounting.locale import gettext
from .description import get_desc from .description import get_desc
from .parser import parse_spec from .parser import parse_spec
from .specification import PeriodSpecification from .specification import get_spec
class Period: class Period:
@ -90,7 +90,7 @@ class Period:
:return: None. :return: None.
""" """
self.spec = PeriodSpecification(self.start, self.end).spec self.spec = get_spec(self.start, self.end)
self.desc = get_desc(self.start, self.end) self.desc = get_desc(self.start, self.end)
if self.start is None or self.end is None: if self.start is None or self.end is None:
return return

166
src/accounting/report/period/specification.py
View File

@ -20,99 +20,101 @@
from datetime import date, timedelta from datetime import date, timedelta
class PeriodSpecification: def get_spec(start: date | None, end: date | None) -> str:
"""The period specification composer.""" """Returns the period specification.
def __init__(self, start: date | None, end: date | None): :param start: The start of the period.
"""Constructs the period specification composer. :param end: The end of the period.
:return: The period specification.
"""
if start is None and end is None:
return "-"
if end is None:
return __get_since_spec(start)
if start is None:
return __get_until_spec(end)
try:
return __get_year_spec(start, end)
except ValueError:
pass
try:
return __get_month_spec(start, end)
except ValueError:
pass
return __get_day_spec(start, end)
:param start: The start of the period.
:param end: The end of the period.
"""
self.__start: date | None = start
self.__end: date | None = end
self.spec: str = self.__get_spec()
def __get_spec(self) -> str: def __get_since_spec(start: date) -> str:
"""Returns the period specification. """Returns the period specification without the end day.
:return: The period specification. :param start: The start of the period.
""" :return: The period specification without the end day
if self.__start is None and self.__end is None: """
return "-" if start.month == 1 and start.day == 1:
if self.__end is None: return start.strftime("%Y-")
return self.__get_since_spec() if start.day == 1:
if self.__start is None: return start.strftime("%Y-%m-")
return self.__get_until_spec() return start.strftime("%Y-%m-%d-")
try:
return self.__get_year_spec()
except ValueError:
pass
try:
return self.__get_month_spec()
except ValueError:
pass
return self.__get_day_spec()
def __get_since_spec(self) -> str:
"""Returns the period specification without the end day.
:return: The period specification without the end day def __get_until_spec(end: date) -> str:
""" """Returns the period specification without the start day.
if self.__start.month == 1 and self.__start.day == 1:
return self.__start.strftime("%Y-")
if self.__start.day == 1:
return self.__start.strftime("%Y-%m-")
return self.__start.strftime("%Y-%m-%d-")
def __get_until_spec(self) -> str: :param end: The end of the period.
"""Returns the period specification without the start day. :return: The period specification without the start day
"""
if end.month == 12 and end.day == 31:
return end.strftime("-%Y")
if (end + timedelta(days=1)).day == 1:
return end.strftime("-%Y-%m")
return end.strftime("-%Y-%m-%d")
:return: The period specification without the start day
"""
if self.__end.month == 12 and self.__end.day == 31:
return self.__end.strftime("-%Y")
if (self.__end + timedelta(days=1)).day == 1:
return self.__end.strftime("-%Y-%m")
return self.__end.strftime("-%Y-%m-%d")
def __get_year_spec(self) -> str: def __get_year_spec(start: date, end: date) -> str:
"""Returns the period specification as a year range. """Returns the period specification as a year range.
:return: The period specification as a year range. :param start: The start of the period.
:raise ValueError: The period is not a year range. :param end: The end of the period.
""" :return: The period specification as a year range.
if self.__start.month != 1 or self.__start.day != 1 \ :raise ValueError: The period is not a year range.
or self.__end.month != 12 or self.__end.day != 31: """
raise ValueError if start.month != 1 or start.day != 1 \
if self.__start.year == self.__end.year: or end.month != 12 or end.day != 31:
return "%04d" % self.__start.year raise ValueError
return "%04d-%04d" % (self.__start.year, self.__end.year) start_spec: str = start.strftime("%Y")
if start.year == end.year:
return start_spec
end_spec: str = end.strftime("%Y")
return f"{start_spec}-{end_spec}"
def __get_month_spec(self) -> str:
"""Returns the period specification as a month range.
:return: The period specification as a month range. def __get_month_spec(start: date, end: date) -> str:
:raise ValueError: The period is not a month range. """Returns the period specification as a month range.
"""
if self.__start.day != 1 or (self.__end + timedelta(days=1)).day != 1:
raise ValueError
if self.__start.year == self.__end.year \
and self.__start.month == self.__end.month:
return "%04d-%02d" % (self.__start.year, self.__start.month)
return "%04d-%02d-%04d-%02d" % (
self.__start.year, self.__start.month,
self.__end.year, self.__end.month)
def __get_day_spec(self) -> str: :param start: The start of the period.
"""Returns the period specification as a day range. :param end: The end of the period.
:return: The period specification as a month range.
:raise ValueError: The period is not a month range.
"""
if start.day != 1 or (end + timedelta(days=1)).day != 1:
raise ValueError
start_spec: str = start.strftime("%Y-%m")
if start.year == end.year and start.month == end.month:
return start_spec
end_spec: str = end.strftime("%Y-%m")
return f"{start_spec}-{end_spec}"
:return: The period specification as a day range.
:raise ValueError: The period is a month or year range. def __get_day_spec(start: date, end: date) -> str:
""" """Returns the period specification as a day range.
if self.__start == self.__end:
return "%04d-%02d-%02d" % ( :param start: The start of the period.
self.__start.year, self.__start.month, self.__start.day) :param end: The end of the period.
return "%04d-%02d-%02d-%04d-%02d-%02d" % ( :return: The period specification as a day range.
self.__start.year, self.__start.month, self.__start.day, :raise ValueError: The period is a month or year range.
self.__end.year, self.__end.month, self.__end.day) """
start_spec: str = start.strftime("%Y-%m-%d")
if start == end:
return start_spec
end_spec: str = end.strftime("%Y-%m-%d")
return f"{start_spec}-{end_spec}"