/usr/lib/python2.7/dist-packages/guiqwt/debug.py is in python-guiqwt 3.0.3-1.
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#
# Copyright © 2009-2010 CEA
# Pierre Raybaut
# Licensed under the terms of the CECILL License
# (see guiqwt/__init__.py for details)
"""
guiqwt.debug
------------
The `debug` module contains some debugging functions (mostly dumping attributes
of Qt Objects).
"""
from __future__ import print_function
from guidata.qt.QtGui import QImage, QInputEvent
from guidata.qt.QtCore import Qt, QEvent
from guidata.py3compat import io
def buttons_to_str(buttons):
"""Conversion des flags Qt en chaine"""
string = ""
if buttons & Qt.LeftButton:
string += "L"
if buttons & Qt.MidButton:
string += "M"
if buttons & Qt.RightButton:
string += "R"
return string
def evt_type_to_str(type):
"""Représentation textuelle d'un type d'événement (debug)"""
if type == QEvent.MouseButtonPress:
return "Mpress"
elif type == QEvent.MouseButtonRelease:
return "Mrelease"
elif type == QEvent.MouseMove:
return "Mmove"
elif type == QEvent.ContextMenu:
return "Context"
else:
return "%d" % type
def print_event(evt):
"""Représentation textuelle d'un événement (debug)"""
string = ""
if isinstance(evt, QInputEvent):
string += evt_type_to_str( evt.type() )
string += "%08x:" % evt.modifiers()
if hasattr(evt, "buttons"):
buttons = evt.buttons()
elif hasattr(evt, "buttons"):
buttons = evt.button()
else:
buttons = 0
string += buttons_to_str(buttons)
if string:
print(string)
else:
print(evt)
def qimage_format( fmt ):
for attr in dir(QImage):
if attr.startswith("Format"):
val = getattr(QImage, attr)
if val == fmt:
return attr[len("Format_"):]
return str(fmt)
def qimage_to_str( img, indent="" ):
fd = io.StringIO()
print(indent, img, file=fd)
indent += " "
print(indent, "Size:", img.width(), "x", img.height(), file=fd)
print(indent, "Depth:", img.depth(), file=fd)
print(indent, "Format", qimage_format(img.format()), file=fd)
return fd.getvalue()
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