#!/usr/bin/python # -*- coding: iso-8859-15 -*- ###################################################### ## # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published # by the Free Software Foundation; version 2 only. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. ## ###################################################### ## # Project: AptOnCd # File: PackagesParser.py # Author: Laudeci Oliveira # Creation: 26/12/2006 # Changed: # Purpose: ## ###################################################### import rfc822 import StringIO import gzip import string import os import sys PACKAGE = 'Package' PRIORITY = 'Priority' SECTION = 'Section' INSTALLED_SIZE = 'Installed-Size' MAINTAINER = 'Maintainer' ORIGINAL_MAINTAINER = 'Original-Maintainer' ARCHITECTURE = 'Architecture' VERSION = 'Version' DEPENDS = 'Depends' FILENAME = 'Filename' SIZE = 'Size' MD5SUM = 'MD5sum' SHA1 = 'SHA1' SHA256 = 'SHA256' DESCRIPTON = 'Description' BUGS = 'Bugs' ORIGIN = 'Origin' class ParseGZ: def __init__(self, filename = ''): self.filename = filename self.collection = [] def __get_value(self,source, string, default = ''): try: return source[string] except: return default def Parse(self, filename = ''): if self.filename == '' and filename == '': raise AttributeError, "missing filename parameter" if filename !='': self.filename = filename if not os.path.isfile(self.filename): raise AttributeError , self.filename try: pkgfile=gzip.open(self.filename) pkgdata=pkgfile.read() except IOError, msg: raise AttributeError ,"File doesn't seems to be valid" packages = string.split(pkgdata,"\n\n") for package in packages: if package: tmp=StringIO.StringIO(package) p=rfc822.Message(tmp) pk = PackageInfo() pk.Priority = self.__get_value(p,PRIORITY) pk.Section = self.__get_value(p,SECTION) pk.InstaledSize = self.__get_value(p,INSTALLED_SIZE) pk.Maintainer = self.__get_value(p,MAINTAINER) pk.OrinalMantainer = self.__get_value(p,ORIGINAL_MAINTAINER) pk.Architecture = self.__get_value(p,ARCHITECTURE) pk.Version = self.__get_value(p,VERSION) pk.Depends = self.__get_value(p,DEPENDS) pk.Filename = self.__get_value(p,FILENAME) pk.Size = self.__get_value(p,SIZE) pk.MD5sum = self.__get_value(p,MD5SUM) pk.SHA1 = self.__get_value(p,SHA1) pk.SHA256 = self.__get_value(p,SHA256) pk.Description = self.__get_value(p,DESCRIPTON) pk.Bugs = self.__get_value(p,BUGS) pk.Origin = self.__get_value(p,ORIGIN) self.collection.append(pk) return self.collection def get_collection(self): return self.collection class PackageInfo(object): """ This class holds packages info stored in Packages.gz file. """ def __init__(self): self.__Package ='' self.__Priority = '' self.__Section = '' self.__Installed_Size = '' self.__Maintainer = '' self.__Original_Maintainer = '' self.__Architecture = '' self.__Version = '' self.__Depends = '' self.__Filename = '' self.__Size = '' self.__MD5sum = '' self.__SHA1 = '' self.__SHA256 = '' self.__Description = '' self.__Bugs = '' self.__Origin = '' self.__root_folder = '' self.__destinationfile='' self.__targz_path = '' self.__PackageSection = '' def __get_Package(self): return self.__Package def __set_Pakcage(self,value): self.__Package = value Package = property(fget=__get_Package, fset=__set_Pakcage, doc='Get/Set Package name.') def __get_Priority(self): return self.__Priority def __set_Priority(self,value): self.__Priority = value Priority = property(fget=__get_Priority, fset=__set_Priority, doc='Get/Set Package Priority.') def __get_Section(self): return self.__Section def __set_Section(self,value): self.__Section = value Section = property(fget=__get_Section, fset=__set_Section, doc='Get/Set Package Section.') def __get_Installed_Size(self): return self.__Installed_Size def __set_Installed_Size(self,value): self.__Installed_Size = value InstalledSize = property(fget=__get_Installed_Size, fset=__set_Installed_Size, doc='Get/Set Package Installed Size.') def __get_Maintainer(self): return self.__Maintainer def __set_Maintainer(self,value): self.__Maintainer = value Maintainer = property(fget=__get_Maintainer, fset=__set_Maintainer, doc="Get/Set Package Maintainer's name.") def __get_Original_Maintainer(self): return self.__Original_Maintainer def __set_Original_Maintainer(self,value): self.__Original_Maintainer = value OriginalMaintainer = property(fget=__get_Original_Maintainer, fset=__set_Original_Maintainer, doc='Get/Set Package Original Maintainer.') def __get_Architecture(self): return self.__Architecture def __set_Architecture(self,value): self.__Architecture = value Architecture = property(fget=__get_Architecture, fset=__set_Architecture, doc='Get/Set Package Architecture.') def __get_Version(self): return self.__Version def __set_Version(self,value): self.__Version = value Version = property(fget=__get_Version, fset=__set_Version, doc='Get/Set Package Version.') def __get_Depends(self): return self.__Depends def __set_Depends(self,value): self.__Depends = value Depends = property(fget=__get_Depends, fset=__set_Depends, doc='Get/Set Package Depends.') def __get_Filename(self): return self.__Filename def __set_Filename(self,value): self.__Filename = value Filename = property(fget=__get_Filename, fset=__set_Filename, doc='Get/Set Package Filename.') def __get_Size(self): return self.__Size def __set_Size(self,value): self.__Size = value Size = property(fget=__get_Size, fset=__set_Size, doc='Get/Set Package Size.') def __get_MD5sum(self): return self.__MD5sum def __set_MD5sum(self,value): self.__MD5sum = value MD5sum = property(fget=__get_MD5sum, fset=__set_MD5sum, doc='Get/Set Package MD5sum.') def __get_SHA1(self): return self.__SHA1 def __set_SHA1(self,value): self.__SHA1 = value SHA1 = property(fget=__get_SHA1, fset=__set_SHA1, doc='Get/Set Package SHA1.') def __get_SHA256(self): return self.__SHA256 def __set_SHA256(self,value): self.__SHA256 = value SHA256 = property(fget=__get_SHA256, fset=__set_SHA256, doc='Get/Set Package SHA256.') def __get_Description(self): return self.__Description def __set_Description(self,value): self.__Description = value Description = property(fget=__get_Description, fset=__set_Description, doc='Get/Set Package Description.') def __get_Bugs(self): return self.__Bugs def __set_Bugs(self,value): self.__Bugs = value Bugs = property(fget=__get_Bugs, fset=__set_Bugs, doc='Get/Set Package Bugs.') def __get_Origin(self): return self.__Origin def __set_Origin(self,value): self.__Origin = value Origin = property(fget=__get_Origin, fset=__set_Origin, doc='Get/Set Package Origin.') def __get_Destination(self): return self.__destinationfile def __set_Destination(self,value): self.__destinationfile = value Destination = property(fget=__get_Destination, fset=__set_Destination, doc='Get/Set Package Destination file and path.') def __get_root_folder(self): return self.__root_folder def __set_root_folder(self,value): self.__root_folder = value SourceLocation = property(fget=__get_root_folder, fset=__set_root_folder, doc='Get/Set Package Destination file and path.') def __get_TarGZ_Path(self): return self.__targz_path def __set_TarGZ_Path(self,value): self.__targz_path = value TarGZ_Path = property(fget=__get_TarGZ_Path, fset=__set_TarGZ_Path, doc='Get/Set Package Tar file name.') def __get_PackageSection(self): return self.__PackageSection def __set_PackageSection(self,value): self.__PackageSection = value PackageSection = property(fget=__get_PackageSection, fset=__set_PackageSection, doc='Get/Set Package Main section name.') def get_as_list(self): return [self.__Package, self.__Priority, self.__Section, self.__Installed_Size, self.__Maintainer, self.__Original_Maintainer, \ self.__Architecture, self.__Version, self.__Depends, self.__Filename, self.__Size, self.__MD5sum, self.__SHA1, \ self.__SHA256, self.__Description, self.__Bugs, self.__Origin]