116 lines
3.5 KiB
Python
116 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2013 Alex Yatskov
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import operator
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import sqlite3
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class Dictionary:
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def __init__(self, filename, index=True):
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self.db = sqlite3.connect(filename)
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self.indices = set()
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def findTerm(self, text, wildcards=False):
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self.requireIndex('Vocab', 'expression')
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self.requireIndex('Vocab', 'reading')
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self.requireIndex('VocabGloss', 'vocabId')
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cursor = self.db.cursor()
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definitions = []
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cursor.execute('SELECT * FROM Vocab WHERE expression {0} ? OR reading=?'.format('LIKE' if wildcards else '='), (text, text))
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for vocabId, expression, reading, tags in cursor.fetchall():
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tags = tags.split()
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cursor.execute('SELECT glossary From VocabGloss WHERE vocabId=?', (vocabId,))
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glossary = map(operator.itemgetter(0), cursor)
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#
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# TODO: Handle addons through data.
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#
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addons = []
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for tag in tags:
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if tag.startswith('v5') and tag != 'v5':
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addons.append('v5')
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elif tag.startswith('vs-'):
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addons.append('vs')
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definitions.append({
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'id': vocabId,
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'expression': expression,
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'reading': reading,
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'glossary': glossary,
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'tags': tags + addons,
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'addons': addons
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})
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return definitions
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def findKanji(self, text):
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assert len(text) == 1
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self.requireIndex('Kanji', 'character')
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self.requireIndex('KanjiGloss', 'kanjiId')
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cursor = self.db.cursor()
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cursor.execute('SELECT * FROM Kanji WHERE character=? LIMIT 1', text)
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query = cursor.fetchone()
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if query is None:
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return
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kanjiId, character, kunyomi, onyomi = query
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cursor.execute('SELECT glossary From KanjiGloss WHERE kanjiId=?', (kanjiId,))
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glossary = map(operator.itemgetter(0), cursor)
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return {
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'id': kanjiId,
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'character': character,
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'kunyomi': kunyomi.split(),
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'onyomi': onyomi.split(),
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'glossary': glossary
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}
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def requireIndex(self, table, column):
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name = 'index_{0}_{1}'.format(table, column)
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if not self.hasIndex(name):
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self.buildIndex(name, table, column)
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def buildIndex(self, name, table, column):
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cursor = self.db.cursor()
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cursor.execute('CREATE INDEX {0} ON {1}({2})'.format(name, table, column))
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self.db.commit()
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def hasIndex(self, name):
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if name in self.indices:
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return True
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cursor = self.db.cursor()
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cursor.execute('SELECT * FROM sqlite_master WHERE name=?', (name,))
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if len(cursor.fetchall()) == 0:
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return False
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self.indices.update([name])
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return True
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