Source code for m_librarian.glst
#! /usr/bin/env python
from __future__ import print_function
from glob import glob
import codecs
import os
from sqlobject import sqlhub, SQLObjectNotFound
from .db import Genre
__all__ = ['import_glst']
def parse_glst_file(glst_filename):
glst_file = codecs.open(glst_filename, 'r', 'utf-8')
try:
for line in glst_file:
line = line.strip()
if not line:
continue
if line[0] == '#':
continue
parts = line.split(None, 1)
try:
name, title = parts[1].split(';', 1)
except (IndexError, ValueError):
continue
yield name, title
finally:
glst_file.close()
def import_glst_file(glst_filename):
old = new = 0
for name, title in parse_glst_file(glst_filename):
try:
Genre.byName(name)
except SQLObjectNotFound:
Genre(name=name, title=title, count=0)
new += 1
else:
old += 1
return old, new
def _import_glst():
ml_dir = os.path.dirname(__file__)
count_old = count_new = 0
for glst_file in glob(os.path.join(ml_dir, 'glst', '*.glst')):
_count_old, _count_new = import_glst_file(glst_file)
count_old += _count_old
count_new += _count_new
connection = sqlhub.processConnection
if connection.dbName == 'postgres':
connection.query("VACUUM %s" % Genre.sqlmeta.table)
return count_old, count_new
[docs]def import_glst():
count_old, count_new = sqlhub.doInTransaction(_import_glst)
connection = sqlhub.processConnection
if connection.dbName == 'sqlite':
connection.query("VACUUM")
return count_old, count_new
def test():
ml_dir = os.path.dirname(__file__)
for i, (name, title) in enumerate(parse_glst_file(
os.path.join(ml_dir, 'glst', 'genres_fb2_flibusta.glst')
)):
if i < 5:
print(name, title)
else:
break
if __name__ == '__main__':
test()