Cleanup, cleanup

ebook_converter/utils/ipc/__init__.py

@@ -1,16 +1,4 @@
 import errno
-import functools
-import os
-import sys
-import threading
-
-from ebook_converter import force_unicode
-from ebook_converter.constants_old import filesystem_encoding
-from ebook_converter.constants_old import islinux
-from ebook_converter.utils.filenames import ascii_filename
-
-
-VADDRESS = None
 
 
 def eintr_retry_call(func, *args, **kwargs):
@@ -21,47 +9,3 @@ def eintr_retry_call(func, *args, **kwargs):
             if getattr(e, 'errno', None) == errno.EINTR:
                 continue
             raise
-
-
-@functools.lru_cache()
-def socket_address(which):
-
-    user = force_unicode(os.environ.get('USER') or os.path.basename(os.path.expanduser('~')), filesystem_encoding)
-    sock_name = '{}-calibre-{}.socket'.format(ascii_filename(user).replace(' ', '_'), which)
-    if islinux:
-        ans = '\0' + sock_name
-    else:
-        from tempfile import gettempdir
-        tmp = force_unicode(gettempdir(), filesystem_encoding)
-        ans = os.path.join(tmp, sock_name)
-    return ans
-
-
-def gui_socket_address():
-    return socket_address('gui')
-
-
-def viewer_socket_address():
-    return socket_address('viewer')
-
-
-class RC(threading.Thread):
-
-    def __init__(self, print_error=True, socket_address=None):
-        self.print_error = print_error
-        self.socket_address = socket_address or gui_socket_address()
-        threading.Thread.__init__(self)
-        self.conn = None
-        self.daemon = True
-
-    def run(self):
-        from multiprocessing.connection import Client
-        self.done = False
-        try:
-            self.conn = Client(self.socket_address)
-            self.done = True
-        except Exception:
-            if self.print_error:
-                print('Failed to connect to address {}', file=sys.stderr).format(repr(self.socket_address))
-                import traceback
-                traceback.print_exc()