migration: establish exact preserved app baseline

vendor/lunar_python/SolarYear.py

@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+
+from . import SolarMonth
+
+
+class SolarYear:
+    """
+    阳历年
+    """
+
+    MONTH_COUNT = 12
+
+    def __init__(self, year):
+        self.__year = year
+
+    @staticmethod
+    def fromDate(date):
+        return SolarYear(date.year)
+
+    @staticmethod
+    def fromYear(year):
+        return SolarYear(year)
+
+    def getYear(self):
+        return self.__year
+
+    def toString(self):
+        return str(self.__year)
+
+    def toFullString(self):
+        return "%d年" % self.__year
+
+    def __str__(self):
+        return self.toString()
+
+    def getMonths(self):
+        """
+        获取本年的阳历月列表
+        :return: 阳历月列表
+        """
+        months = []
+        m = SolarMonth.fromYm(self.__year, 1)
+        months.append(m)
+        for i in range(1, SolarYear.MONTH_COUNT):
+            months.append(m.next(i))
+        return months
+
+    def next(self, years):
+        """
+        获取往后推几年的阳历年，如果要往前推，则月数用负数
+        :param years: 年数
+        :return: 阳历年
+        """
+        return SolarYear.fromYear(self.__year + years)