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[2c229c]: plugins / single_instance.py Maximize Restore History

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single_instance.py    92 lines (77 with data), 2.2 kB

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import socket
import asyncore
import traceback
import sys
configuration = sys.modules['configuration']
callback = None
def partition(string, sep):
offset = string.find(sep)
if offset == -1:
return string, '', ''
return string[:offset], sep, string[offset+len(sep):]
class PathReader(asyncore.dispatcher):
def __init__(self, conn):
asyncore.dispatcher.__init__(self, conn)
self.incoming = ''
## self.handle_error = self.handle_close
## def handle_close(self):
## self.close()
def handle_read(self):
data = self.recv(4096)
if not data:
self.handle_close()
return
self.incoming += data
fnames = []
fname, sep, self.incoming = partition(self.incoming, '\n')
while sep:
if fname:
fnames.append(fname)
fname, sep, self.incoming = partition(self.incoming, '\n')
self.incoming = fname
if fnames:
callback(fnames)
class Listener(asyncore.dispatcher):
def __init__(self):
asyncore.dispatcher.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.bind(('127.0.0.1', 9999))
self.listen(5)
def handle_accept(self):
try:
conn, addr = self.accept()
except socket.error:
return
except TypeError:
return
PathReader(conn)
def send_documents(docs):
if configuration.nosocket:
return 0
try:
startup(0)
except socket.error, why:
if why[0] != 10048:
traceback.print_exc()
return 0
print "trying to send documents!"
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(('127.0.0.1', 9999))
docs.append('')
s.sendall('\n'.join(docs))
s.close()
return 1
else:
shutdown(0)
return 0
def poll():
asyncore.poll()
def startup(p=1):
if p:
print "Starting up document listener!"
Listener()
def shutdown(p=1):
if p:
print "Shutting down document listener!"
for i in asyncore.socket_map.values():
i.close()