1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
import atexit
from datetime import datetime
import os
import socket
import sys
import time
from inkex import etree
import inkex
from simplestyle import formatStyle
from svg import line_strings_to_path
from svg.tags import INKSCAPE_GROUPMODE, INKSCAPE_LABEL
class Debug(object):
def __init__(self):
self.last_log_time = None
self.current_layer = None
def enable(self):
self.enable_log()
self.enable_debugger()
self.enable_svg()
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 enable_svg(self):
self.svg = etree.Element("svg", nsmap=inkex.NSS)
atexit.register(self.save_svg)
def save_svg(self):
tree = etree.ElementTree(self.svg)
with open(os.path.join(os.path.dirname(os.path.dirname(__file__)), "debug.svg"), "w") as debug_svg:
tree.write(debug_svg)
def add_layer(self, name="Debug"):
layer = etree.Element("g", {
INKSCAPE_GROUPMODE: "layer",
INKSCAPE_LABEL: name
})
self.svg.append(layer)
self.current_layer = layer
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
def log_svg_element(self, element):
if self.current_layer is None:
self.add_layer()
self.current_layer.append(element)
def log_line_string(self, line_string, color="#000000"):
"""Add a Shapely LineString to the SVG log."""
self.log_line_strings(self, [line_string])
def log_line_strings(self, line_strings, color="#000000"):
path = line_strings_to_path(line_strings)
path.set('style', formatStyle({"stroke": color, "stroke-width": "0.3"}))
self.log_svg_element(path)
debug = Debug()
enable = debug.enable
|
