coriolis/crlcore/python/helpers/io.py

257 lines
8.0 KiB
Python

# -*- mode:Python; explicit-buffer-name: "io.py<crlcore/helpers>" -*-
#
# This file is part of the Coriolis Software.
# Copyright (c) UPMC 2012-2018, All Rights Reserved
#
# +-----------------------------------------------------------------+
# | C O R I O L I S |
# | C o r i o l i s / C h a m s B u i l d e r |
# | |
# | Author : Jean-Paul Chaput |
# | E-mail : Jean-Paul.Chaput@lip6.fr |
# | =============================================================== |
# | Python : "./crlcore/helpers/io.py" |
# +-----------------------------------------------------------------+
import sys
import os
import os.path
import re
import traceback
from PyQt4.QtCore import Qt
from PyQt4.QtGui import QSizePolicy
from PyQt4.QtGui import QDialog
from PyQt4.QtGui import QPalette
from PyQt4.QtGui import QColor
from PyQt4.QtGui import QFont
from PyQt4.QtGui import QFontMetrics
from PyQt4.QtGui import QWidget
from PyQt4.QtGui import QFrame
from PyQt4.QtGui import QLabel
from PyQt4.QtGui import QPixmap
from PyQt4.QtGui import QPushButton
from PyQt4.QtGui import QTextEdit
from PyQt4.QtGui import QVBoxLayout
from PyQt4.QtGui import QHBoxLayout
from PyQt4.QtGui import QAction
from PyQt4.QtGui import QKeySequence
import helpers
from Hurricane import UpdateSession
import Viewer
# -------------------------------------------------------------------
# Class : "ErrorWidget".
class ErrorWidget ( QDialog ):
def __init__ ( self, e ):
QWidget.__init__ ( self, None )
self.setWindowTitle( 'Error' )
message = QLabel( e.getLinesAsString() )
message.setAlignment( Qt.AlignLeft )
message.setFont( QFont('Courier',10,QFont.Bold) )
error = QLabel( '[ERROR]' )
error.setAlignment( Qt.AlignLeft )
font = error.font()
font.setWeight( QFont.Bold )
error.setFont( font )
self._tryCont = QPushButton()
self._tryCont.setSizePolicy( QSizePolicy.Fixed, QSizePolicy.Fixed )
self._tryCont.setText ( 'Try to continue' )
self._abort = QPushButton()
self._abort.setSizePolicy( QSizePolicy.Fixed, QSizePolicy.Fixed )
self._abort.setText ( 'Abort' )
self._abort.setDefault ( True )
traceFont = QFont('Courier',10,QFont.Normal)
lineHeight = QFontMetrics( traceFont ).height()
traceText = helpers.textStackTrace( e.trace, False, e.scriptPath )
lineCount = traceText.count( '\n' ) + 2
minimumWidth = 400
if Viewer.Graphics.isHighDpi(): minimumWidth = 2100
self._trace = QTextEdit()
self._trace.setReadOnly ( True );
self._trace.setLineWrapMode( QTextEdit.NoWrap );
self._trace.setMinimumSize ( minimumWidth, lineCount*lineHeight );
self._trace.setFont ( traceFont )
self._trace.setText ( traceText )
buttonLayout = QHBoxLayout()
buttonLayout.addStretch( 1 )
buttonLayout.addWidget ( self._tryCont )
buttonLayout.addStretch( 1 )
buttonLayout.addWidget ( self._abort )
buttonLayout.addStretch( 1 )
vLayout = QVBoxLayout()
vLayout.addWidget ( error )
vLayout.addStretch( 1 )
vLayout.addWidget ( message )
vLayout.addStretch( 1 )
vLayout.addWidget ( self._trace )
vLayout.addStretch( 1 )
vLayout.addLayout ( buttonLayout )
pixmap = QPixmap( ':/images/angry-birds-red.png' )
pixmap = pixmap.scaledToWidth( 150 )
icon = QLabel()
icon.setPixmap( pixmap )
hLayout = QHBoxLayout()
hLayout.addWidget( icon )
hLayout.addLayout( vLayout )
self.setLayout( hLayout )
self._tryCont.clicked.connect( self.accept )
self._abort .clicked.connect( self.reject )
self._exitAction = QAction( '&Exit', self )
self._exitAction.setStatusTip( 'Exit Coriolis' )
self._exitAction.setShortcut ( QKeySequence('CTRL+Q') )
self._exitAction.triggered.connect( self.reject )
self.addAction( self._exitAction )
self._closeAction = QAction( '&Close', self )
self._closeAction.setStatusTip( 'Try to continue' )
self._closeAction.setShortcut ( QKeySequence('CTRL+W') )
self._closeAction.triggered.connect( self.reject )
self.addAction( self._closeAction )
return
def closeEvent ( self, event ):
self.setResult( QDialog.Rejected )
event.accept()
return
# -------------------------------------------------------------------
# Class : "ErrorMessage".
class ErrorMessage ( Exception ):
def __init__ ( self, code, *arguments ):
self.scriptPath = None
self.trace = traceback.extract_stack()
self._code = code
self._errors = [ 'Malformed call to ErrorMessage()'
, '%s' % str(arguments) ]
text = None
if len(arguments) == 1:
if isinstance(arguments[0],Exception): text = str(arguments[0]).split('\n')
else:
self._errors = arguments[0]
elif len(arguments) > 1:
sys.stdout.flush()
text = list(arguments)
if text:
self._errors = []
while len(text[0]) == 0: del text[0]
lstrip = 0
if text[0].startswith('[ERROR]'): lstrip = 8
for line in text:
if line[0:lstrip] == ' '*lstrip or \
line[0:lstrip-1] == '[ERROR]':
self._errors += [ line[lstrip:] ]
else:
self._errors += [ line.lstrip() ]
sys.stdout.flush()
return
def __str__ ( self ):
if not isinstance(self._errors,list):
return "[ERROR] %s" % self._errors
formatted = "\n"
for i in range(len(self._errors)):
if i == 0: formatted += "[ERROR] %s" % self._errors[i]
else: formatted += " %s" % self._errors[i]
if i+1 < len(self._errors): formatted += "\n"
return formatted
def getLinesAsString ( self ):
if not isinstance(self._errors,list): return self._errors
lines = ''
for line in self._errors: lines += line + '\n'
return lines
def addMessage ( self, message ):
if not isinstance(self._errors,list):
self._errors = [ self._errors ]
if isinstance(message,list):
for line in message:
self._errors += [ line ]
else:
self._errors += [ message ]
return
def terminate ( self ):
print self
sys.exit( self._code )
def _getCode ( self ): return self._code
code = property(_getCode)
@staticmethod
def show ( code, *arguments ):
e = ErrorMessage( code, *arguments )
if Viewer.Graphics.get().isEnabled():
tryCont = ErrorWidget( e ).exec_()
if not tryCont: raise e
else:
raise e
return
def catch ( errorObject ):
if isinstance(errorObject,ErrorMessage):
em = errorObject
else:
em = ErrorMessage( 2, errorObject )
em.trace = traceback.extract_tb( sys.exc_info()[2] )
#em.scriptPath = __file__
if Viewer.Graphics.get().isEnabled():
tryCont = ErrorWidget( em ).exec_()
print em
print helpers.textStackTrace( em.trace, True, em.scriptPath )
if UpdateSession.getStackSize() > 0: UpdateSession.close()
return
# -------------------------------------------------------------------
# Class : "WarningMessage".
class WarningMessage ( Exception ):
def __init__ ( self, message ):
self._warnings = message
return
def __str__ ( self ):
if not isinstance(self._warnings,list):
return "[WARNING] %s" % self._warnings
formatted = "\n"
for i in range(len(self._warnings)):
if i == 0: formatted += "[WARNING] %s" % self._warnings[i]
else: formatted += " %s" % self._warnings[i]
if i+1 < len(self._warnings): formatted += "\n"
return formatted