mirror of
https://github.com/gryf/ebook-converter.git
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gryf
0f9792df36
Here is the first batch of modules, which are needed for converting several formats to LRF. Some of the logic has been change, more cleanups will follow.
84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
#!/usr/bin/env python2
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# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
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from __future__ import absolute_import, division, print_function, unicode_literals
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__license__ = 'GPL v3'
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__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
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__docformat__ = 'restructuredtext en'
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import os, errno, sys
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from threading import Thread
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from ebook_converter import force_unicode
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from ebook_converter.constants import iswindows, get_windows_username, islinux, filesystem_encoding, ispy3
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from ebook_converter.utils.filenames import ascii_filename
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from ebook_converter.polyglot.functools import lru_cache
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VADDRESS = None
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def eintr_retry_call(func, *args, **kwargs):
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while True:
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try:
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return func(*args, **kwargs)
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except EnvironmentError as e:
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if getattr(e, 'errno', None) == errno.EINTR:
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continue
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raise
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@lru_cache()
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def socket_address(which):
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if iswindows:
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ans = r'\\.\pipe\Calibre' + which
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try:
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user = get_windows_username()
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except Exception:
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user = None
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if user:
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user = ascii_filename(user).replace(' ', '_')
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if user:
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ans += '-' + user[:100] + 'x'
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else:
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user = force_unicode(os.environ.get('USER') or os.path.basename(os.path.expanduser('~')), filesystem_encoding)
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sock_name = '{}-calibre-{}.socket'.format(ascii_filename(user).replace(' ', '_'), which)
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if islinux:
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ans = '\0' + sock_name
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else:
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from tempfile import gettempdir
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tmp = force_unicode(gettempdir(), filesystem_encoding)
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ans = os.path.join(tmp, sock_name)
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if not ispy3 and not isinstance(ans, bytes):
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ans = ans.encode(filesystem_encoding)
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return ans
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def gui_socket_address():
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return socket_address('GUI' if iswindows else 'gui')
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def viewer_socket_address():
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return socket_address('Viewer' if iswindows else 'viewer')
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class RC(Thread):
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def __init__(self, print_error=True, socket_address=None):
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self.print_error = print_error
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self.socket_address = socket_address or gui_socket_address()
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Thread.__init__(self)
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self.conn = None
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self.daemon = True
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def run(self):
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from multiprocessing.connection import Client
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self.done = False
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try:
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self.conn = Client(self.socket_address)
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self.done = True
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except Exception:
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if self.print_error:
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print('Failed to connect to address {}', file=sys.stderr).format(repr(self.socket_address))
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import traceback
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traceback.print_exc()
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