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Add stack trace button to message bar for Python errors

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This commit is contained in:
Nathan Woodrow 2015-10-01 11:54:13 +10:00
parent 401f43c590
commit 1e6c8908b2
1 changed files with 70 additions and 21 deletions
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91
python/utils.py
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@ -30,7 +30,7 @@ QGIS utilities module
from PyQt4.QtCore import QCoreApplication, QLocale
from PyQt4.QtGui import QPushButton
from qgis.core import QGis, QgsExpression, QgsMessageLog, qgsfunction
from qgis.core import QGis, QgsExpression, QgsMessageLog, qgsfunction, QgsMessageOutput
from qgis.gui import QgsMessageBar
import sys
@ -41,6 +41,7 @@ import ConfigParser
import warnings
import codecs
import time
import functools
# ######################
# ERROR HANDLING
@ -63,27 +64,14 @@ warnings.showwarning = showWarning
def showException(type, value, tb, msg, messagebar=False):
lst = traceback.format_exception(type, value, tb)
if msg is None:
msg = QCoreApplication.translate('Python', 'An error has occured while executing Python code:')
txt = '<font color="red">%s</font><br><br><pre>' % msg
for s in lst:
txt += s.decode('utf-8', 'replace')
txt += '</pre><br>%s<br>%s<br><br>' % (QCoreApplication.translate('Python', 'Python version:'), sys.version)
txt += '<br>%s<br>%s %s, %s<br><br>' % (
QCoreApplication.translate('Python', 'QGIS version:'), QGis.QGIS_VERSION, QGis.QGIS_RELEASE_NAME,
QGis.QGIS_DEV_VERSION)
txt += '%s %s' % (QCoreApplication.translate('Python', 'Python path:'), str(sys.path))
txt = txt.replace('\n', '<br>')
txt = txt.replace(' ', '&nbsp; ') # preserve whitespaces for nicer output
from qgis.core import QgsMessageOutput
title = QCoreApplication.translate('Python', 'Python error')
logmessage = ''
for s in lst:
for s in traceback.format_exception(type, value, tb):
logmessage += s.decode('utf-8', 'replace')
title = QCoreApplication.translate('Python', 'Python error')
QgsMessageLog.logMessage(logmessage, title)
if messagebar and iface:
@ -94,14 +82,75 @@ def showException(type, value, tb, msg, messagebar=False):
widget = iface.messageBar().createMessage(title, msg + " See message log (Python Error) for more details.")
widget.setProperty("Error", msg)
button = QPushButton("View message log", pressed=iface.openMessageLog)
stackbutton = QPushButton("Stack trace", pressed=functools.partial(open_stack_dialog, type, value, tb, msg))
button = QPushButton("View message log", pressed=show_message_log)
widget.layout().addWidget(stackbutton)
widget.layout().addWidget(button)
iface.messageBar().pushWidget(widget, QgsMessageBar.WARNING)
else:
msg = QgsMessageOutput.createMessageOutput()
msg.setTitle()
msg.setMessage(txt, QgsMessageOutput.MessageHtml)
msg.showMessage()
open_stack_dialog(type, value, tb, msg)
def show_message_log(pop_error=True):
if pop_error:
iface.messageBar().popWidget()
iface.openMessageLog()
def open_stack_dialog(type, value, tb, msg, pop_error=True):
if pop_error:
iface.messageBar().popWidget()
if msg is None:
msg = QCoreApplication.translate('Python', 'An error has occured while executing Python code:')
# TODO Move this to a template HTML file
txt = '''<font color="red"><b>{msg}</b></font>
<br>
<h3>{main_error}</h3>
<pre>
{error}
</pre>
<br>
<b>{version_label}</b> {num}
<br>
<b>{qgis_label}</b> {qversion} {qgisrelease}, {devversion}
<br>
<h4>{pypath_label}</h4>
<ul>
{pypath}
</ul>'''
error = ''
lst = traceback.format_exception(type, value, tb)
for s in lst:
error += s.decode('utf-8', 'replace')
error = error.replace('\n', '<br>')
main_error = lst[-1].decode('utf-8', 'replace')
version_label = QCoreApplication.translate('Python', 'Python version:')
qgis_label = QCoreApplication.translate('Python', 'QGIS version:')
pypath_label = QCoreApplication.translate('Python', 'Python Path:')
txt = txt.format(msg=msg,
main_error=main_error,
error=error,
version_label=version_label,
num=sys.version,
qgis_label=qgis_label,
qversion=QGis.QGIS_VERSION,
qgisrelease=QGis.QGIS_RELEASE_NAME,
devversion=QGis.QGIS_DEV_VERSION,
pypath_label=pypath_label,
pypath="".join("<li>{}</li>".format(path) for path in sys.path))
txt = txt.replace(' ', '&nbsp; ') # preserve whitespaces for nicer output
dlg = QgsMessageOutput.createMessageOutput()
dlg.setTitle(msg)
dlg.setMessage(txt, QgsMessageOutput.MessageHtml)
dlg.showMessage()
def qgis_excepthook(type, value, tb):