92 lines
2.3 KiB
Python
92 lines
2.3 KiB
Python
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"""
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Version checker
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"""
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"""
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Copyright 2013 Anthony Beville
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import sys
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import os
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import platform
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import urllib,urllib2
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import ctversion
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try:
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from PyQt4.QtNetwork import QNetworkAccessManager, QNetworkRequest
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from PyQt4.QtCore import QUrl, pyqtSignal, QObject, QByteArray
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except ImportError:
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# No Qt, so define a few dummy QObjects to help us compile
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class QObject():
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def __init__(self,*args):
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pass
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class pyqtSignal():
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def __init__(self,*args):
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pass
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def emit(a,b,c):
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pass
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class VersionChecker(QObject):
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def getRequestUrl( self, uuid, use_stats ):
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base_url = "http://comictagger1.appspot.com/latest"
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args = ""
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if use_stats:
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if platform.system() == "Windows":
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plat = "win"
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elif platform.system() == "Linux":
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plat = "lin"
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elif platform.system() == "Darwin":
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plat = "mac"
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else:
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plat = "other"
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args = "?uuid={0}&platform={1}&version={2}".format(uuid, plat, ctversion.version)
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if not getattr(sys, 'frozen', None):
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args += "&src=T"
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return base_url+args
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def getLatestVersion( self, uuid, use_stats=True):
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try:
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resp = urllib2.urlopen( self.getRequestUrl(uuid, use_stats ))
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new_version = resp.read()
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except Exception as e:
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return None
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if new_version is None or new_version == "":
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return None
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return new_version.strip()
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versionRequestComplete = pyqtSignal( str )
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def asyncGetLatestVersion( self, uuid, use_stats ):
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url = self.getRequestUrl( uuid, use_stats )
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self.nam = QNetworkAccessManager()
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self.nam.finished.connect( self.asyncGetLatestVersionComplete )
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self.nam.get(QNetworkRequest(QUrl(str(url))))
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def asyncGetLatestVersionComplete( self, reply ):
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# read in the response
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new_version = str(reply.readAll())
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if new_version is None or new_version == "":
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return
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self.versionRequestComplete.emit( new_version.strip() )
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