db: Create a DecadeTable and Decade object
Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
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@ -15,9 +15,10 @@ from . import artist
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from . import album
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from . import album
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from . import disc
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from . import disc
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from . import genre
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from . import genre
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from . import decade
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def reset():
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def reset():
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mods = [ artist, album, disc, genre ]
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mods = [ artist, album, disc, genre, decade ]
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for mod in mods: mod.Table.drop()
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for mod in mods: mod.Table.drop()
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for mod in mods: mod.Table.do_create()
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for mod in mods: mod.Table.do_create()
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50
db/decade.py
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50
db/decade.py
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@ -0,0 +1,50 @@
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# Copyright 2021 (c) Anna Schumaker.
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#
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# Table: decades
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# +----------+--------+
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# | decadeid | decade |
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# +----------+--------+
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from gi.repository import GObject
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from . import execute
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from . import objects
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class Decade(objects.Row):
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def __gt__(self, rhs): return self.decade > rhs.decade
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def __lt__(self, rhs): return self.decade < rhs.decade
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def __str__(self): return f"{self.decade}s"
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def do_get_column(self, column):
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return execute(f"SELECT {column} FROM decades "
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"WHERE decadeid=?", [ self.rowid ])
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@GObject.Property
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def decade(self):
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return self.get_column("decade")
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class DecadeTable(objects.Table):
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def __init__(self):
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objects.Table.__init__(self, "decades", Decade)
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def do_create(self):
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execute("CREATE TABLE IF NOT EXISTS decades "
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"(decadeid INTEGER PRIMARY KEY, "
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" decade INTEGER UNIQUE)")
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def do_insert(self, decade):
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return execute("INSERT INTO decades (decade) "
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"VALUES (?)", (decade,))
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def do_delete(self, decade):
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return execute("DELETE FROM decades WHERE decadeid=?", [ int(decade) ])
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def do_get(self, rowid):
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return execute("SELECT decadeid FROM decades "
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"WHERE decadeid=?", [ rowid ])
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def do_lookup(self, decade):
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return execute("SELECT decadeid FROM decades "
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"WHERE decade=?", [ decade ])
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Table = DecadeTable()
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51
db/test_decade.py
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51
db/test_decade.py
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@ -0,0 +1,51 @@
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# Copyright 2021 (c) Anna Schumaker.
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import db
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import sqlite3
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import unittest
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from gi.repository import GObject
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class TestDecadeTable(unittest.TestCase):
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def setUp(self):
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db.reset()
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def test_decade_table_init(self):
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self.assertIsInstance(db.decade.Table, db.decade.DecadeTable)
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db.execute("SELECT decadeid,decade FROM decades")
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def test_decade_table_insert(self):
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decade = db.decade.Table.insert(2020)
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self.assertIsInstance(decade, db.decade.Decade)
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self.assertIsInstance(decade, db.objects.Row)
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self.assertEqual(decade.decade, 2020)
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self.assertEqual(str(decade), "2020s")
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with self.assertRaises(sqlite3.IntegrityError):
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db.decade.Table.insert(2020)
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def test_decade_table_delete(self):
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decade = db.decade.Table.find(2020)
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db.decade.Table.delete(decade)
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self.assertIsNone(db.decade.Table.lookup(2020))
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def test_decade_table_get(self):
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decade = db.decade.Table.insert(2020)
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self.assertEqual(db.decade.Table.get(1), decade)
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self.assertIsNone(db.decade.Table.get(2))
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def test_decade_table_lookup(self):
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decade = db.decade.Table.insert(2020)
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self.assertEqual(db.decade.Table.lookup(2020), decade)
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self.assertIsNone(db.decade.Table.lookup(2021))
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def test_decade_compare(self):
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d2010 = db.decade.Table.insert(2010)
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d2020 = db.decade.Table.insert(2020)
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self.assertTrue(d2010 < d2020)
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self.assertTrue(d2020 > d2010)
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self.assertFalse(d2010 > d2020)
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self.assertFalse(d2020 < d2010)
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