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from datetime import datetime
import os
import socket
import sys
import time
class Debug(object):
def __init__(self):
self.last_log_time = None
def enable(self):
self.enable_log()
self.enable_debugger()
def enable_log(self):
self.log = self._log
self.raw_log = self._raw_log
self.log_file = open(os.path.join(os.path.dirname(os.path.dirname(__file__)), "debug.log"), "w")
self.log("Debug logging enabled.")
def enable_debugger(self):
# How to debug Ink/Stitch:
#
# 1. Install LiClipse (liclipse.com) -- no need to install Eclipse first
# 2. Start debug server as described here: http://www.pydev.org/manual_adv_remote_debugger.html
# * follow the "Note:" to enable the debug server menu item
# 3. Create a file named "DEBUG" next to inkstitch.py in your git clone.
# 4. Run any extension and PyDev will start debugging.
try:
import pydevd
except ImportError:
self.log("importing pydevd failed (debugger disabled)")
# pydevd likes to shout about errors to stderr whether I want it to or not
with open(os.devnull, 'w') as devnull:
stderr = sys.stderr
sys.stderr = devnull
try:
pydevd.settrace()
except socket.error, error:
self.log("Debugging: connection to pydevd failed: %s", error)
self.log("Be sure to run 'Start debugging server' in PyDev to enable debugging.")
else:
self.log("Enabled PyDev debugger.")
sys.stderr = stderr
def _noop(self, *args, **kwargs):
pass
log = _noop
raw_log = _noop
def _log(self, message, *args):
if self.last_log_time:
message = "(+%s) %s" % (datetime.now() - self.last_log_time, message)
self.raw_log(message, *args)
def _raw_log(self, message, *args):
now = datetime.now()
timestamp = now.isoformat()
self.last_log_time = now
print >> self.log_file, timestamp, message % args
self.log_file.flush()
def time(self, func):
def decorated(*args, **kwargs):
self.raw_log("entering %s()", func.func_name)
start = time.time()
result = func(*args, **kwargs)
end = time.time()
self.raw_log("leaving %s(), duration = %s", func.func_name, round(end - start, 6))
return result
return decorated
debug = Debug()
enable = debug.enable
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