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"""
Utilities, e.g. for debugging
@copyright: 2018-2021 Dietmar Schwertberger
@license: MIT (see LICENSE.txt) - THIS PROGRAM COMES WITH NO WARRANTY
"""
from __future__ import print_function
import sys, os
import wx
def hx(obj):
return hex(id(obj)).upper()
class StructurePrinter:
# print the structure and sizes of a wx window with all it's children
# this is not the wxGlade data structure
def __init__(self, window):
self.window(window, 0)
def _sizer_item(self, si, indent):
expand = (si.GetFlag() & wx.EXPAND) and "EXPAND" or ""
print( " "*indent, " SI:", si.GetMinSize(), " ", si.GetSize(), " ", si.GetProportion(), expand )
def sizer(self, sizer, si, indent=0):
cname = sizer.GetClassName() # u'wxPanel'
print( " "*indent, "%s"%cname, sizer.GetSize(), sizer )
if si: self._sizer_item(si, indent)
print()
# list all by sizer
for si in sizer.GetChildren():
if si is None:
print("Child is None")
continue
child = si.GetWindow()
if child is not None:
self.window(child, si, indent+1)
continue
child = si.GetSizer()
if child is not None:
self.sizer(child, si, indent+1)
continue
child = si.GetSpacer()
if child is not None:
self.spacer(child, si, indent+1)
continue
raise ValueError("XXX")
def window(self, widget, si, indent=0):
cname = widget.GetClassName() # u'wxPanel'
name = widget.GetName() # u'panel'
HEX = hx(widget)
try:
best_size = widget.GetBestSize()
except AttributeError:
best_size ="???"
print( " "*indent, "%x %s: %s %s"%(widget.GetHandle(), cname, name, HEX), widget.GetSize(), best_size, widget.GetEffectiveMinSize() )
if si: self._sizer_item(si, indent)
sizer = widget.GetSizer()
if sizer:
# list all by sizer
self.sizer(sizer, None, indent+1)
else:
# list all children
for child in widget.GetChildren():
self.window(child, None, indent+1)
print()
def spacer(self, spacer, si, indent=0):
# a spacer
print( " "*indent, "Spacer", spacer.Get() )
self._sizer_item(si, indent)
print()
class TreePrinter:
# print the structure of the TreeCtrl
def __init__(self, root):
print("=============================================================================")
self.prn(root, 0)
print("=============================================================================")
def prn(self, editor, indent=0):
all_children = editor.get_all_children()
if not all_children: return
for child in all_children:
klass = "class" in child.PROPERTIES and child.klass or None
print( " "*indent, child.WX_CLASS, klass, getattr(child, "custom_class", "---"), child.IS_TOPLEVEL)
self.prn(child, indent+1)
print()
def trace1(func, *args, **kwargs):
# use built-in trace module to write an execution trace to stdout
# e.g. utilities.trace1(clipboard.paste, focused_widget)
import sys, trace
tracer = trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix],
ignoremods=["gui_mixins", "new_properties", "decorators", "__init__", "clipboard"],
trace=1, count=0)
editor = common.root.children[-1]
tracer.runfunc(editor.create_widgets)
# make a report, placing output in the current directory
r = tracer.results()
if filename:
r.write_results_file(path, lines, lnotab, lines_hit, encoding=None)
else:
r.write_results(show_missing=True, coverdir=".")
# own implementation for wxGlade
TRACING = False
def trace(filename, func, *args, **kwargs):
start_trace(filename)
func(*args, **kwargs)
stop_trace()
def start_trace():
global TRACING
if TRACING: return
TRACING = True
sys.settrace(trace_calls)
def stop_trace():
sys.settrace(None)
global TRACING
TRACING = False
_FILES = {}
def _get_line(filename, line_no):
if not filename in _FILES:
_FILES[filename] = open(filename, "r").readlines()
return _FILES[filename][line_no-1]
def trace_lines(frame, event, arg):
if event != 'line': return
co = frame.f_code
func_name = co.co_name
line_no = frame.f_lineno
filename = co.co_filename
if os.path.isfile(filename):
print( ' %30s: %5d' % (func_name, line_no), _get_line(filename, line_no), end="" )
else:
print( ' %30s: %5d' % (func_name, line_no) )
def trace_calls(frame, event, arg):
if event != 'call': return
co = frame.f_code
func_name = co.co_name
if func_name in ("__getattr__", "<genexpr>", "<listcomp>"): return
if func_name in ("cn",): return
#if func_name.startswith("_",): return
if func_name in ("wxname2attr",): return
filename = co.co_filename
if filename.startswith(sys.prefix) or filename.startswith(sys.exec_prefix): return
modulename = filename.split(os.sep)[-1].split(".")[0]
if modulename in ("new_properties", "gui_mixins", "decorators", "log", "main", "misc", "compat",): return
line_no = frame.f_lineno
print( ' -> %s:%s %s' % (modulename, line_no, func_name))
return trace_lines
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