migration: establish exact preserved app baseline

vendor/lunar_python/SolarWeek.py

@@ -0,0 +1,162 @@
+# -*- coding: utf-8 -*-
+from math import ceil
+
+from . import Solar
+from .util import SolarUtil
+
+
+class SolarWeek:
+    """
+    阳历周
+    """
+
+    def __init__(self, year, month, day, start):
+        """
+        通过年月日初始化
+        :param year: 年
+        :param month: 月，1到12
+        :param day: 日，1到31
+        :param start: 星期几作为一周的开始，1234560分别代表星期一至星期天
+        """
+        self.__year = year
+        self.__month = month
+        self.__day = day
+        self.__start = start
+
+    @staticmethod
+    def fromDate(date, start):
+        return SolarWeek(date.year, date.month, date.day, start)
+
+    @staticmethod
+    def fromYmd(year, month, day, start):
+        return SolarWeek(year, month, day, start)
+
+    def getYear(self):
+        return self.__year
+
+    def getMonth(self):
+        return self.__month
+
+    def getDay(self):
+        return self.__day
+
+    def getStart(self):
+        return self.__start
+
+    def toString(self):
+        return "%d.%d.%d" % (self.__year, self.__month, self.getIndex())
+
+    def toFullString(self):
+        return "%d年%d月第%d周" % (self.__year, self.__month, self.getIndex())
+
+    def __str__(self):
+        return self.toString()
+
+    def getIndex(self):
+        """
+        获取当前日期是在当月第几周
+        :return: 周序号，从1开始
+        """
+        offset = Solar.fromYmd(self.__year, self.__month, 1).getWeek() - self.__start
+        if offset < 0:
+            offset += 7
+        return int(ceil((self.__day + offset) * 1.0 / 7))
+
+    def getIndexInYear(self):
+        """
+        获取当前日期是在当年第几周
+        :return: 周序号，从1开始
+        """
+        offset = Solar.fromYmd(self.__year, 1, 1).getWeek() - self.__start
+        if offset < 0:
+            offset += 7
+        return int(ceil((SolarUtil.getDaysInYear(self.__year, self.__month, self.__day) + offset) * 1.0 / 7))
+
+    def getFirstDay(self):
+        """
+        获取本周第一天的阳历日期（可能跨月）
+        :return: 本周第一天的阳历日期
+        """
+        solar = Solar.fromYmd(self.__year, self.__month, self.__day)
+        prev = solar.getWeek() - self.__start
+        if prev < 0:
+            prev += 7
+        return solar.next(-prev)
+
+    def getFirstDayInMonth(self):
+        """
+        获取本周第一天的阳历日期（仅限当月）
+        :return: 本周第一天的阳历日期
+        """
+        for day in self.getDays():
+            if self.__month == day.getMonth():
+                return day
+        return None
+
+    def getDays(self):
+        """
+        获取本周的阳历日期列表（可能跨月）
+        :return: 本周的阳历日期列表
+        """
+        days = []
+        first = self.getFirstDay()
+        days.append(first)
+        for i in range(1, 7):
+            days.append(first.next(i))
+        return days
+
+    def getDaysInMonth(self):
+        """
+        获取本周的阳历日期列表（仅限当月）
+        :return: 本周的阳历日期列表（仅限当月）
+        """
+        days = []
+        for day in self.getDays():
+            if self.__month == day.getMonth():
+                days.append(day)
+        return days
+
+    def next(self, weeks, separate_month):
+        """
+        周推移
+        :param weeks: 推移的周数，负数为倒推
+        :param separate_month: 是否按月单独计算
+        :return: 推移后的阳历周
+        """
+        if 0 == weeks:
+            return SolarWeek.fromYmd(self.__year, self.__month, self.__day, self.__start)
+        solar = Solar.fromYmd(self.__year, self.__month, self.__day)
+        if separate_month:
+            n = weeks
+            week = SolarWeek.fromYmd(solar.getYear(), solar.getMonth(), solar.getDay(), self.__start)
+            month = self.__month
+            plus = n > 0
+            days = 7 if plus else -7
+            while 0 != n:
+                solar = solar.next(days)
+                week = SolarWeek.fromYmd(solar.getYear(), solar.getMonth(), solar.getDay(), self.__start)
+                week_month = week.getMonth()
+                if month != week_month:
+                    index = week.getIndex()
+                    if plus:
+                        if 1 == index:
+                            first_day = week.getFirstDay()
+                            week = SolarWeek.fromYmd(first_day.getYear(), first_day.getMonth(), first_day.getDay(), self.__start)
+                            week_month = week.getMonth()
+                        else:
+                            solar = Solar.fromYmd(week.getYear(), week.getMonth(), 1)
+                            week = SolarWeek.fromYmd(solar.getYear(), solar.getMonth(), solar.getDay(), self.__start)
+                    else:
+                        if SolarUtil.getWeeksOfMonth(week.getYear(), week.getMonth(), self.__start) == index:
+                            last_day = week.getFirstDay().next(6)
+                            week = SolarWeek.fromYmd(last_day.getYear(), last_day.getMonth(), last_day.getDay(), self.__start)
+                            week_month = week.getMonth()
+                        else:
+                            solar = Solar.fromYmd(week.getYear(), week.getMonth(), SolarUtil.getDaysOfMonth(week.getYear(), week.getMonth()))
+                            week = SolarWeek.fromYmd(solar.getYear(), solar.getMonth(), solar.getDay(), self.__start)
+                    month = week_month
+                n -= 1 if plus else -1
+            return week
+        else:
+            solar = solar.next(weeks * 7)
+            return SolarWeek.fromYmd(solar.getYear(), solar.getMonth(), solar.getDay(), self.__start)