DATE, ORCID and WorkSummary Class(Filter 1)

Tutorial/02 DATE, ORCID and WorkSummary Class(Filter 1)/__main__.py

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+from sqlite3 import connect
+
+class DB:
+	def __init__(self,path="example/people.db"):
+		self.conn = connect(path)
+		self.c = self.conn.cursor()
+
+	def getList(self):
+		self.c.execute('SELECT * FROM people')
+		return self.c.fetchall()
+
+	def close(self):
+		self.conn.close()
+
+class Date:
+	def __init__(self, y, m, d):
+		self.y = int(y)
+		self.m = int(m) if m else None
+		self.d = int(d) if d else None
+	def check (self, other, attr):
+		if getattr(self,attr) == None or getattr(other,attr) == None:
+			return 1
+		if getattr(self,attr) < getattr(other,attr):
+			return 1
+		if getattr(self,attr) > getattr(other,attr):
+			return -1
+		return 0
+	__le__ = lambda self, other: True if 1 == (self.check(other,"y") or self.check(other,"m") or self.check(other,"d") or 1) else False
+	__str__ = lambda self: str(self.y) + "-" + str(self.m) + "-" + str(self.d)
+
+class OrcID:
+	def __init__(self, id, start, stop):
+		self.id = id
+		self.start = Date(*start.split("-"))
+		self.stop = Date(*stop.split("-"))
+	getID = lambda self: "-".join([self.id[4 * i : 4 * (i + 1)]  for i in range(4)])
+	__str__ = lambda self: self.getID() + ": " + str(self.start) + " - " + str(self.stop)
+
+if __name__ == "__main__":
+	db = DB()
+	orcs = [OrcID(*t) for t in db.getList()]
+	db.close()
+	for orc in orcs:
+		print("Do something with",orc)
+
+class WorkSummary:
+	def __init__(self, path, title, date):
+		self.path = path
+		self.title = title
+		self.date = date
+	__lt__ = lambda self, other: self.date.y < other.date.y or (self.date.y == other.date.y and self.title < other.title)
+	__eq__ = lambda self, other: self.date.y == other.date.y and self.title == other.title
+	__str__ = lambda self: self.title + ": " + str(self.date)