def __init__(self, message, parent=None, caption=None, showTraceback=True):
"""Show error message window
:param message: error message
:param parent: centre window on parent if given
:param caption: window caption (if not given "Error")
:param showTraceback: True to show also Python traceback
"""
if not caption:
caption = _('Error')
style = wx.OK | wx.ICON_ERROR | wx.CENTRE
exc_type, exc_value, exc_traceback = sys.exc_info()
if exc_traceback:
exception = traceback.format_exc()
reason = exception.splitlines()[-1].split(':', 1)[-1].strip()
if Debug.GetLevel() > 0 and exc_traceback:
sys.stderr.write(exception)
if showTraceback and exc_traceback:
wx.MessageBox(parent = parent,
message = message + '\n\n%s: %s\n\n%s' % \
(_('Reason'),
reason, exception),
caption = caption,
style = style)
else:
wx.MessageBox(parent=parent,
message=message,
caption=caption,
style=style)
def _parseCapFile(self, cap_file):
"""Parse capabilities data and emits capParsed signal
(see class constructor).
"""
try:
self.cap = self.ws_drvs[self.ws]['cap_parser'](cap_file)
except (IOError, ParseError) as error:
error_msg = _(
"%s web service was not found in fetched capabilities file from <%s>:\n%s\n" %
(self.ws, self.conn['url'], str(error)))
if Debug.GetLevel() != 0:
Debug.msg(1, error_msg)
self._postCapParsedEvt(None)
else:
self._postCapParsedEvt(error_msg=error_msg)
return
self.is_connected = True
# WMS standard has formats defined for all layers
if 'WMS' in self.ws:
self.formats_list = sorted(self._getFormats())
self._updateFormatRadioBox(self.formats_list)
self._setDefaultFormatVal()
self.list.LoadData(self.cap)
self.OnListSelChanged(event=None)
self._postCapParsedEvt(None)
def OnCmdOutput(self, event):
"""Manage cmd output.
"""
if Debug.GetLevel() != 0:
Debug.msg(1, event.text)
elif event.type != 'message' and event.type != 'warning':
self.cmd_err_str += event.text + os.linesep
def Render(self, cmd, env):
"""If it is needed, download missing WMS data.
.. todo::
lmgr deletes mapfile and maskfile when order of layers
was changed (drag and drop) - if deleted, fetch data again
"""
if not haveGdal:
return
env = copy.copy(env)
self.dstSize['cols'] = int(env["GRASS_WIDTH"])
self.dstSize['rows'] = int(env["GRASS_HEIGHT"])
region = self._getRegionDict(env)
self._fitAspect(region, self.dstSize)
self.updateMap = True
fetchData = False
zoomChanged = False
if self.renderedRegion is None or \
cmd != self.fetched_data_cmd:
fetchData = True
else:
for c in ['north', 'south', 'east', 'west']:
if self.renderedRegion and \
region[c] != self.renderedRegion[c]:
fetchData = True
break
for c in ['e-w resol', 'n-s resol']:
if self.renderedRegion and \
region[c] != self.renderedRegion[c]:
zoomChanged = True
break
if fetchData:
self.fetched_data_cmd = None
self.renderedRegion = region
try_remove(self.mapfile)
try_remove(self.tempMap)
self.currentPid = self.thread.GetId()
self.thread.abort()
self.downloading = True
self.fetching_cmd = cmd
cmdList = utils.CmdTupleToList(cmd)
if Debug.GetLevel() < 3:
cmdList.append('--quiet')
env["GRASS_PNGFILE"] = self.tempMap
env["GRASS_REGION"] = self._createRegionStr(region)
self.thread.RunCmd(cmdList, env=env, stderr=self.cmdStdErr)
def OnCmdOutput(self, event):
"""Handle cmd output according to debug level."""
if Debug.GetLevel() == 0:
if event.type == "error":
msg = _("Unable to fetch data.\n")
msg += event.text
GWarning(parent=self, message=msg)
else:
Debug.msg(1, event.text)
def OnCmdOutput(self, event):
"""Print cmd output according to debug level.
"""
if Debug.GetLevel() == 0:
if event.type == 'error':
sys.stderr.write(event.text)
sys.stderr.flush()
else:
Debug.msg(1, event.text)
def Redirect(self):
"""Redirect stdout/stderr
"""
if Debug.GetLevel() == 0 and grass.debug_level(force=True) == 0:
# don't redirect when debugging is enabled
sys.stdout = self.cmdStdOut
sys.stderr = self.cmdStdErr
else:
enc = locale.getdefaultlocale()[1]
if enc:
sys.stdout = codecs.getwriter(enc)(sys.__stdout__)
sys.stderr = codecs.getwriter(enc)(sys.__stderr__)
else:
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
def Redirect(self):
"""Redirect stdout/stderr"""
if Debug.GetLevel() == 0 and grass.debug_level(force=True) == 0:
# don't redirect when debugging is enabled
sys.stdout = self.cmdStdOut
sys.stderr = self.cmdStdErr
else:
enc = locale.getdefaultlocale()[1]
if enc:
if sys.version_info.major == 2:
sys.stdout = codecs.getwriter(enc)(sys.__stdout__)
sys.stderr = codecs.getwriter(enc)(sys.__stderr__)
else:
# https://stackoverflow.com/questions/4374455/how-to-set-sys-stdout-encoding-in-python-3
sys.stdout = codecs.getwriter(enc)(sys.__stdout__.detach())
sys.stderr = codecs.getwriter(enc)(sys.__stderr__.detach())
else:
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
def __init__(self, message, parent=None, caption=None, showTraceback=True):
if not caption:
caption = _('Error')
style = wx.OK | wx.ICON_ERROR | wx.CENTRE
exc_type, exc_value, exc_traceback = sys.exc_info()
if exc_traceback:
exception = traceback.format_exc()
reason = exception.splitlines()[-1].split(':', 1)[-1].strip()
if Debug.GetLevel() > 0 and exc_traceback:
sys.stderr.write(exception)
if showTraceback and exc_traceback:
wx.MessageBox(parent = parent,
message = message + '\n\n%s: %s\n\n%s' % \
(_('Reason'),
reason, exception),
caption = caption,
style = style)
else:
wx.MessageBox(parent=parent,
message=message,
caption=caption,
style=style)
