Source code for m_librarian.download
#! /usr/bin/env python
from __future__ import print_function
import os
from time import mktime
from shutil import copyfileobj
from zipfile import ZipFile
from .config import get_config
__all__ = ['download']
format = '%f'
compile_format = True
compiled_format = '%(file)s'
def _compile_format():
global format, compile_format, compiled_format
if compile_format:
compile_format = False
try:
format = get_config().get('download', 'format')
except Exception:
return
got_percent = False
compiled = []
for c in format:
if c == '%':
if got_percent:
got_percent = False
compiled.append('%')
else:
got_percent = True
else:
if got_percent:
got_percent = False
if c == 'a':
new_format = u'%(author)s'
elif c == 'e':
new_format = u'%(extension)s'
elif c == 'f':
new_format = u'%(file)s'
elif c == 'G':
new_format = u'%(gname)s'
elif c == 'g':
new_format = u'%(gtitle)s'
elif c == 'l':
new_format = u'%(language)s'
elif c == 'n':
new_format = u'%(ser_no)d'
elif c == 's':
new_format = u'%(series)s'
elif c == 't':
new_format = u'%(title)s'
else:
raise ValueError('Bad format specifier "%%%c"' % c)
compiled.append(new_format)
else:
compiled.append(c)
compiled_format = ''.join(compiled)
_library_path = None
[docs]def download(book, dest_path=None, lib_path=None, a_format=None):
if lib_path is None:
global _library_path
if _library_path is None:
_library_path = get_config().get('library', 'path')
lib_path = _library_path
global format, compile_format, compiled_format
if a_format:
format = a_format
compile_format = True
_compile_format()
if compiled_format[-1] in ('\0', '\\', '/'):
raise ValueError('Bad format: "%s"' % compiled_format)
bdict = {}
bdict['author'] = book.authors[0].fullname
bdict['extension'] = book.extension.name
bdict['file'] = book.file
genre = book.genres[0]
bdict['gname'] = genre.name
bdict['gtitle'] = genre.title
bdict['language'] = book.language.name
bdict['ser_no'] = book.ser_no or 0
bdict['series'] = book.series
bdict['title'] = book.title
if '%(extension)s' not in compiled_format:
compiled_format += '.%(extension)s'
filename = compiled_format % bdict
full_path = os.path.join(dest_path, filename)
try:
os.makedirs(os.path.dirname(full_path))
except OSError:
pass # Already exists
zf = ZipFile(os.path.join(lib_path, book.archive), 'r')
infile = zf.open('%s.%s' % (book.file, book.extension.name))
outfile = open(full_path, 'wb')
copyfileobj(infile, outfile)
outfile.close()
infile.close()
zf.close()
dt = mktime(book.date.timetuple())
os.utime(full_path, (dt, dt))
def test():
_compile_format()
print(compiled_format)
if __name__ == '__main__':
test()