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131 lines
4.4 KiB
Python
131 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ProcessingLog.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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import codecs
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import datetime
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from processing.tools.system import userFolder
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from processing.core.ProcessingConfig import ProcessingConfig
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from qgis.PyQt.QtCore import QCoreApplication
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LOG_SEPARATOR = '|~|'
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class ProcessingLog:
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DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
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recentAlgs = []
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@staticmethod
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def logFilename():
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logFilename = userFolder() + os.sep + 'processing.log'
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if not os.path.isfile(logFilename):
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with codecs.open(logFilename, 'w', encoding='utf-8') as logfile:
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logfile.write('Started logging at ' +
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datetime.datetime.now().strftime(ProcessingLog.DATE_FORMAT) + '\n')
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return logFilename
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@staticmethod
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def addToLog(msg):
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try:
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# It seems that this fails sometimes depending on the msg
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# added. To avoid it stopping the normal functioning of the
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# algorithm, we catch all errors, assuming that is better
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# to miss some log info than breaking the algorithm.
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line = 'ALGORITHM' + LOG_SEPARATOR + datetime.datetime.now().strftime(
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ProcessingLog.DATE_FORMAT) + LOG_SEPARATOR \
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+ msg + '\n'
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with codecs.open(ProcessingLog.logFilename(), 'a',
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encoding='utf-8') as logfile:
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logfile.write(line)
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algname = msg[len('processing.run("'):]
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algname = algname[:algname.index('"')]
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if algname not in ProcessingLog.recentAlgs:
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ProcessingLog.recentAlgs.append(algname)
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recentAlgsString = ';'.join(ProcessingLog.recentAlgs[-6:])
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ProcessingConfig.setSettingValue(
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ProcessingConfig.RECENT_ALGORITHMS,
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recentAlgsString)
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except:
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pass
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@staticmethod
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def getLogEntries():
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entries = []
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with open(ProcessingLog.logFilename()) as f:
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lines = f.readlines()
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for line in lines:
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line = line.strip('\n').strip()
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tokens = line.split(LOG_SEPARATOR)
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if len(tokens) <= 1:
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# try old format log separator
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tokens = line.split('|')
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text = ''
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for i in range(2, len(tokens)):
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text += tokens[i] + LOG_SEPARATOR
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if line.startswith('ALGORITHM'):
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entries.append(LogEntry(tokens[1], tokens[2]))
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return entries
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@staticmethod
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def getRecentAlgorithms():
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recentAlgsSetting = ProcessingConfig.getSetting(
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ProcessingConfig.RECENT_ALGORITHMS)
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try:
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ProcessingLog.recentAlgs = recentAlgsSetting.split(';')
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except:
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pass
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return ProcessingLog.recentAlgs
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@staticmethod
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def clearLog():
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os.unlink(ProcessingLog.logFilename())
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@staticmethod
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def saveLog(fileName):
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entries = ProcessingLog.getLogEntries()
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with codecs.open(fileName, 'w', encoding='utf-8') as f:
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for entry in entries:
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f.write('ALGORITHM{}{}{}{}\n'.format(LOG_SEPARATOR, entry.date, LOG_SEPARATOR, entry.text))
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@staticmethod
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def tr(string, context=''):
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if context == '':
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context = 'ProcessingLog'
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return QCoreApplication.translate(context, string)
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class LogEntry:
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def __init__(self, date, text):
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self.date = date
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self.text = text
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