Moved backend stuff into own backend-package

1 files changed, 0 insertions, 293 deletions

diff --git a/geneticone/package.py b/geneticone/package.py
deleted file mode 100644
index 73355ed..0000000
--- a/geneticone/package.py
+++ /dev/null
@@ -1,293 +0,0 @@
-#
-# File: geneticone/package.py
-# This file is part of the Genetic/One-Project, a graphical portage-frontend.
-#
-# Copyright (C) 2006 Necoro d.M.
-# This is free software.  You may redistribute copies of it under the terms of
-# the GNU General Public License version 2.
-# There is NO WARRANTY, to the extent permitted by law.
-#
-# Written by Necoro d.M. <necoro@necoro.net>
-
-from geneticone import *
-from geneticone import flags
-import geneticone
-
-import gentoolkit
-import portage
-from portage_util import unique_array
-
-class Package (gentoolkit.Package):
-	"""This is a subclass of the gentoolkit.Package-class which a lot of additional functionality we need in Genetic/One."""
-
-	def __init__ (self, cpv):
-		"""Constructor.
-
-		@param cpv: The cpv or gentoolkit.Package which describes the package to create.
-		@type cpv: string (cat/pkg-ver) or gentoolkit.Package-object."""
-
-		if isinstance(cpv, gentoolkit.Package):
-			cpv = cpv.get_cpv()
-		gentoolkit.Package.__init__(self, cpv)
-	
-	def get_mask_status(self):
-		"""Gets the numeric mask status of a package. The return value can be translated as a string when taking the following list of modes: [ "  ", " ~", " -", "M ", "M~", "M-" ]
-
-		This method adapted from equery 0.1.4 
-		Original author: Karl Trygve Kalleberg <karltk@gentoo.org>
-
-		@returns: mask status
-		@rtype: int"""
-		
-		pkgmask = 0
-		if self.is_masked():
-			pkgmask = pkgmask + 3
-		keywords = self.get_env_var("KEYWORDS").split()
-		if "~" + gentoolkit.settings["ARCH"] in keywords:
-			pkgmask = pkgmask + 1
-		elif "-*" in keywords or "-" + gentoolkit.settings["ARCH"] in keywords:
-			pkgmask = pkgmask + 2
-		return pkgmask
-
-	def get_all_use_flags (self):
-		"""Returns a list of _all_ useflags for this package, i.e. all useflags you can set for this package.
-		
-		@returns: list of use-flags
-		@rtype: list"""
-
-		return unique_array(self.get_env_var("IUSE").split())
-
-	def get_installed_use_flags (self):
-		"""Returns a list of the useflags enabled at installation time. If package is not installed, it returns an empty list.
-		
-		@returns: list of useflags enabled at installation time or an empty list
-		@rtype: list"""
-		if self.is_installed():
-			uses = self.get_use_flags().split()
-			iuses = self.get_all_use_flags()
-			set = []
-			for u in iuses:
-				if u in uses:
-					set.append(u)
-			return set
-		else:
-			return []
-	
-	def get_new_use_flags (self):
-		"""Returns a list of the new useflags, i.e. these flags which are not written to the portage-system yet.
-
-		@returns: list of flags or []
-		@rtype: list"""
-		return flags.get_new_use_flags(self)
-
-	def get_actual_use_flags (self):
-		"""This returns the result of installed_use_flags + new_use_flags. If the package is not installed, it returns only the new flags.
-
-		@return: list of flags
-		@rtype: list"""
-
-		if self.is_installed():
-			i_flags = self.get_installed_use_flags()
-			for f in self.get_new_use_flags():
-				if flags.invert_flag(f) in i_flags:
-					i_flags.remove(flags.invert_flag(f))
-				elif f not in i_flags:
-					i_flags.append(f)
-			return i_flags
-		else:
-			return self.get_new_flags()
-
-	def set_use_flag (self, flag):
-		"""Set a use-flag.
-
-		@param flag: the flag to set
-		@type flag: string"""
-		flags.set_use_flag(self, flag)
-
-	def remove_new_use_flags (self):
-		"""Remove all the new use-flags."""
-		flags.remove_new_use_flags(self)
-
-	def get_dep_packages (self):
-		"""Returns a cpv-list of packages on which this package depends and which have not been installed yet. This does not check the dependencies in a recursive manner.
-
-		@returns: list of cpvs on which the package depend
-		@rtype: list
-		@raises geneticone.BlockedException: when a package in the dependency-list is blocked by an installed one
-		@raises geneticone.PackageNotFoundException: when a package in the dependency list could not be found in the system
-		@raises geneticone.DependencyCalcError: when an error occured during executing portage.dep_check()"""
-
-		dep_pkgs = [] # the package list
-		
-		# check whether we got use-flags which are not visible for portage yet
-		newUseFlags = self.get_new_use_flags()
-		actual = self.get_settings("USE").split()
-		if newUseFlags:
-			depUses = []
-			for u in newUseFlags:
-				if u[0] == "-" and flags.invert_use_flag(u) in actual:
-					actual.remove(flags.invert_use_flag(u))
-				elif u not in actual:
-					actual.append(u)
-
-		# let portage do the main stuff ;)
-		# pay attention to any changes here
-		deps = portage.dep_check (self.get_env_var("RDEPEND")+" "+self.get_env_var("DEPEND")+" "+self.get_env_var("PDEPEND"), vartree.dbapi, self._settings, myuse = actual)
-		
-		if not deps: # what is the difference to [1, []] ?
-			return [] 
-
-		if deps[0] == 0: # error
-			raise DependencyCalcError, deps[1]
-		
-		deps = deps[1]
-
-		for dep in deps:
-			if dep[0] == '!': # blocking sth
-				blocked = find_installed_packages(dep[1:])
-				if blocked != []:
-					raise BlockedException, blocked[0].get_cpv()
-				else: # next flag
-					continue
-
-			pkg = find_best_match(dep)
-			if not dep:
-				raise PackageNotFoundException, dep
-			else:
-				dep_pkgs.append(pkg.get_cpv())
-
-		return dep_pkgs
-
-	def get_cp (self):
-		"""Returns the cp-string.
-		@returns: category/package.
-		@rtype: string"""
-		return self.get_category()+"/"+self.get_name()
-
-	def is_masked (self):
-		"""Returns True if either masked by package.mask or by profile.
-		@returns: mask-status
-		@rtype: boolean"""
-		# XXX: Better solution than string comparison?
-		status = portage.getmaskingstatus(self._cpv)
-		if "profile" in status or "package.mask" in status:
-			return True
-		return False
-
-	def matches (self, criterion):
-		"""This checks, whether this package matches a specific verisioning criterion - e.g.: "<=net-im/foobar-1.2".
-		@param criterion: the criterion to match against
-		@type criterion: string"""
-		if portage.match_from_list(criterion, [self.get_cpv()]) == []:
-			return False
-		else:
-			return True
-#
-# OBSOLETE DEPENDENCY-CALCULATION-METHODS - kept in the case the above ones do not work
-#
-
-	#def own_get_dep_packages (self, old_cpv_dict = {}):
-	#	# XXX: after having finished this, i realized, that there is already a portage function -.- ;
-	#	"""Returns a list of all packages (i.e. package-cpvs) which this package depends on and which not have been installed yet.
-	#	Param old_cpv_dict is a {cp: version}-dictionary holding already found deps.
-	#	Raises a BlockedException if the package is being blocked by another installed package."""
-	#	# XXX: This won't find blocking dependencies
-	#	# XXX: Has some problems with modular X (this has a very strange ebuild) ... we should enhance _parse_deps
-	#	print "Actual: "+self._cpv # debug output
-	#	
-	#	uses = [] # list of actual useflags / useflags the package has been installed with
-	#	dep_packages = [] # list of packages returned
-	#	dep_cpv_dict = {} # all dependencies are inserted here
-	#	
-	#	# get useflags
-	#	if self.is_installed():
-	#		uses = self.get_installed_use_flags()
-	#	else:
-	#		uses = self.get_settings("USE")
-	#	
-	#	# cycle through dependencies
-	#	for (comp, flags, dep_cpv) in self.get_all_deps():
-
-	#		# find blocking packages
-	#		if comp and comp[0] == '!':
-	#			blocked = find_installed_packages(comp[1:]+dep_cpv)
-	#			if blocked != []:
-	#				raise BlockedException, blocked[0].get_cpv()
-	#			else: # next flag
-	#				continue
-	#		
-	#		# look whether this package is really required
-	#		needDep = True
-	#		for flag in flags:
-	#			if (flag[0] == '!' and flag[1:] in uses) or (flag[0] != '!' and flag not in uses):
-	#				needDep = False
-	#				break
-
-	#		if needDep: # it is ...
-	#			if find_installed_packages(comp+dep_cpv) == []: # ... and not installed yet
-	#				d = find_best_match(comp+dep_cpv)
-	#				if not d: # no package found
-	#					raise PackageNotFoundException, dep_cpv
-	#				if d.get_cp() not in old_cpv_dict: # ... and not found already by an other package
-	#					dep_cpv_dict[d.get_cp()] = d.get_version()
-	#					print "Dep: "+d.get_cpv() # debug
-	#					dep_packages.append(d.get_cpv())
-	#	
-	#	for dep in dep_packages: # find dependencies for each package
-	#		old_cpv_dict.update(dep_cpv_dict)
-	#		old_cpv_dict.update({self.get_cp() : self.get_version()})
-	#		dep_packages += find_packages("="+dep)[0].own_get_dep_packages(old_cpv_dict)
-
-	#	return unique_array(dep_packages)
-
-	#def get_all_deps (self):
-	#	"""Returns a linearised list of all first-level dependencies for this package, on
-	#	the form [(comparator, [use flags], cpv), ...]"""
-	#	return unique_array(self.get_compiletime_deps()+self.get_runtime_deps()+self.get_postmerge_deps())
-
-	#def _parse_deps(self,deps,curuse=[],level=0):
-	#	"""Modified method "_parse_deps" of gentoolkit.Package.
-	#	Do NOT ignore blocks."""
-	#	# store (comparator, [use predicates], cpv)
-	#	r = []
-	#	comparators = ["~","<",">","=","<=",">="]
-	#	end = len(deps)
-	#	i = 0
-	#	while i < end:
-	#		blocked = False
-	#		tok = deps[i]
-	#		if tok == ')':
-	#			return r,i
-	#		if tok[-1] == "?":
-	#			tok = tok.replace("?","")
-	#			sr,l = self._parse_deps(deps[i+2:],curuse=curuse+[tok],level=level+1)
-	#			r += sr
-	#			i += l + 3
-	#			continue
-	#		if tok == "||":
-	#			sr,l = self._parse_deps(deps[i+2:],curuse,level=level+1)
-	#			r += sr
-	#			i += l + 3
-	#			continue
-	#		# conjonction, like in "|| ( ( foo bar ) baz )" => recurse
-	#		if tok == "(":
-	#			sr,l = self._parse_deps(deps[i+1:],curuse,level=level+1)
-	#			r += sr
-	#			i += l + 2
-	#			continue
-	#		# pkg block "!foo/bar" => ignore it
-	#		if tok[0] == "!":
-	#			#i += 1
-	#			#continue
-	#			blocked = True # added
-	#			tok = tok[1:] # added
-	#		# pick out comparator, if any
-	#		cmp = ""
-	#		for c in comparators:
-	#			if tok.find(c) == 0:
-	#				cmp = c
-	#				if blocked: cmp = "!"+cmp # added
-	#		tok = tok[len(cmp):]
-	#		r.append((cmp,curuse,tok))
-	#		i += 1
-	#	return r,i