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#!@PYTHON@
# This file is part of GNUnet.
# (C) 2010 Christian Grothoff (and other contributing authors)
#
# GNUnet is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License,
# or (at your option) any later version.
#
# GNUnet is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Affero General Public License for more details.
#
# Testcase for gnunet-peerinfo
from __future__ import print_function
import os
import re
import subprocess
import sys
import shutil
import time
class pexpect (object):
def __init__ (self):
super (pexpect, self).__init__ ()
def spawn (self, stdin, arglist, *pargs, **kwargs):
env = kwargs.pop ('env', None)
if env is None:
env = os.environ.copy ()
# This messes up some testcases, disable log redirection
env.pop ('GNUNET_FORCE_LOGFILE', None)
self.proc = subprocess.Popen (arglist, *pargs, env=env, **kwargs)
if self.proc is None:
print ("Failed to spawn a process {0}".format (arglist))
sys.exit (1)
if stdin is not None:
self.stdo, self.stde = self.proc.communicate (stdin)
else:
self.stdo, self.stde = self.proc.communicate ()
return self.proc
def expect (self, s, r, flags=0):
stream = self.stdo if s == 'stdout' else self.stde
if isinstance (r, str):
if r == "EOF":
if len (stream) == 0:
return True
else:
print ("Failed to find `{1}' in {0}, which is `{2}' ({3})".format (s, r, stream, len (stream)))
sys.exit (2)
raise ValueError ("Argument `r' should be an instance of re.RegexObject or a special string, but is `{0}'".format (r))
m = r.search (stream, flags)
if not m:
print ("Failed to find `{1}' in {0}, which is is `{2}'".format (s, r.pattern, stream))
sys.exit (2)
stream = stream[m.end ():]
if s == 'stdout':
self.stdo = stream
else:
self.stde = stream
return m
def read (self, s, size=-1):
stream = self.stdo if s == 'stdout' else self.stde
result = ""
if size < 0:
result = stream
new_stream = ""
else:
result = stream[0:size]
new_stream = stream[size:]
if s == 'stdout':
self.stdo = new_stream
else:
self.stde = new_stream
return result
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