removed gentoolkit-dependency

3 files changed, 223 insertions, 44 deletions

diff --git a/portato/backend/__init__.py b/portato/backend/__init__.py
index ef6811f..ce244c5 100644
--- a/portato/backend/__init__.py
+++ b/portato/backend/__init__.py
@@ -10,24 +10,24 @@
 #
 # Written by René 'Necoro' Neumann <necoro@necoro.net>
 
-import sys
+import sys, copy
+from threading import Lock
 
-# insert the gentoolkit-location into syspath
-sys.path.insert(0, "/usr/lib/gentoolkit/pym")
-
-# import gentoolkit and portage
-import gentoolkit
+# import portage
 import portage
 
+# portage tree vars
+settingslock = Lock()
+settings = portage.config(clone=portage.settings, config_incrementals = copy.deepcopy(portage.settings.incrementals))
+porttree = portage.db[portage.root]["porttree"]
+vartree  = portage.db[portage.root]["vartree"]
+virtuals = portage.db[portage.root]["virtuals"]
+trees = portage.db
+
 # this is set to "var/lib/portage/world" by default - so we add the leading /
 portage.WORLD_FILE = portage.settings["ROOT"]+portage.WORLD_FILE
 portage.settings = None # we use our own one ...
 
-# portage tree vars
-porttree = gentoolkit.porttree
-vartree = gentoolkit.vartree
-trees = portage.db
-
 # import our packages
 from exceptions import *
 from package import *
diff --git a/portato/backend/package.py b/portato/backend/package.py
index 82e0b22..6e32776 100644
--- a/portato/backend/package.py
+++ b/portato/backend/package.py
@@ -15,12 +15,12 @@ from portato.helper import *
 from portage_helper import *
 import flags
 
-import portage, portage_dep, gentoolkit
+import portage, portage_dep
 from portage_util import unique_array
 
 import types
 
-class Package (gentoolkit.Package):
+class Package:
 	"""This is a subclass of the gentoolkit.Package-class which a lot of additional functionality we need in Portato."""
 
 	def __init__ (self, cpv):
@@ -29,14 +29,30 @@ class Package (gentoolkit.Package):
 		@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)
+		self._cpv = cpv
+		self._scpv = portage.catpkgsplit(self._cpv)
+		
+		if not self._scpv:
+			raise FatalError("invalid cpv: %s" % cpv)
+		self._db = None
+		self._settings = settings
+		self._settingslock = settingslock
+		
 		try:
-			self._status = portage.getmaskingstatus(self.get_cpv(), settings = gentoolkit.settings)
+			self._status = portage.getmaskingstatus(self.get_cpv(), settings = settings)
 		except KeyError: # package is not located in the system
 			self._status = None
 	
+	def is_installed(self):
+		"""Returns true if this package is installed (merged)"""
+		self._initdb()
+		return os.path.exists(self._db.getpath())
+
+	def is_overlay(self):
+		"""Returns true if the package is in an overlay."""
+		dir,ovl = portage.portdb.findname2(self._cpv)
+		return ovl != settings["PORTDIR"]
+
 	def is_in_system (self):
 		"""Returns False if the package could not be found in the portage system.
 
@@ -302,6 +318,10 @@ class Package (gentoolkit.Package):
 
 		return dep_pkgs
 
+	def get_cpv(self):
+		"""Returns full Category/Package-Version string"""
+		return self._cpv
+
 	def get_cp (self):
 		"""Returns the cp-string.
 		
@@ -310,6 +330,88 @@ class Package (gentoolkit.Package):
 		
 		return self.get_category()+"/"+self.get_name()
 
+	def get_name(self):
+		"""Returns base name of package, no category nor version"""
+		return self._scpv[1]
+
+	def get_version(self):
+		"""Returns version of package, with revision number"""
+		v = self._scpv[2]
+		if self._scpv[3] != "r0":
+			v += "-" + self._scpv[3]
+		return v
+
+	def get_category(self):
+		"""Returns category of package"""
+		return self._scpv[0]
+
+	def get_settings(self, key):
+		"""Returns the value of the given key for this package (useful 
+		for package.* files."""
+		self._settingslock.acquire()
+		self._settings.setcpv(self._cpv)
+		v = self._settings[key]
+		self._settingslock.release()
+		return v
+
+	def get_ebuild_path(self,in_vartree=0):
+		"""Returns the complete path to the .ebuild file"""
+		if in_vartree:
+			return vartree.getebuildpath(self._cpv)
+		else:
+			return portage.portdb.findname(self._cpv)
+
+	def get_package_path(self):
+		"""Returns the path to where the ChangeLog, Manifest, .ebuild files reside"""
+		p = self.get_ebuild_path()
+		sp = p.split("/")
+		if len(sp):
+			return string.join(sp[:-1],"/")
+
+	def get_env_var(self, var, tree=""):
+		"""Returns one of the predefined env vars DEPEND, RDEPEND, SRC_URI,...."""
+		if tree == "":
+			mytree = vartree
+			if not self.is_installed():
+				mytree = porttree
+		else:
+			mytree = tree
+		r = mytree.dbapi.aux_get(self._cpv,[var])
+		if not r:
+			raise FatalError("Could not find the package tree")
+		if len(r) != 1:
+			raise FatalError("Should only get one element!")
+		return r[0]
+
+	def get_use_flags(self):
+		"""Returns the USE flags active at time of installation"""
+		self._initdb()
+		if self.is_installed():
+			return self._db.getfile("USE")
+		return ""
+
+	def compare_version(self,other):
+		"""Compares this package's version to another's CPV; returns -1, 0, 1"""
+		v1 = self._scpv
+		v2 = portage.catpkgsplit(other.get_cpv())
+		# if category is different
+		if v1[0] != v2[0]:
+			return cmp(v1[0],v2[0])
+		# if name is different
+		elif v1[1] != v2[1]:
+			return cmp(v1[1],v2[1])
+		# Compaare versions
+		else:
+			return portage.pkgcmp(v1[1:],v2[1:])
+
+	def _initdb(self):
+		"""Internal helper function; loads package information from disk,
+		when necessary"""
+		if not self._db:
+			cat = self.get_category()
+			pnv = self.get_name()+"-"+self.get_version()
+			self._db = portage.dblink(cat,pnv,settings["ROOT"],settings)
+
 	def matches (self, criterion):
 		"""This checks, whether this package matches a specific verisioning criterion - e.g.: "<=net-im/foobar-1.2".
 		
diff --git a/portato/backend/portage_helper.py b/portato/backend/portage_helper.py
index 6e8fc84..1726323 100644
--- a/portato/backend/portage_helper.py
+++ b/portato/backend/portage_helper.py
@@ -12,7 +12,7 @@
 
 import re, os, copy
 
-import portage, gentoolkit
+import portage
 from portage_util import unique_array
 
 from portato.backend import *
@@ -76,7 +76,30 @@ def find_packages (search_key, masked=False):
 	@returns: list of found packages
 	@rtype: backend.Package[]"""
 
-	return geneticize_list(gentoolkit.find_packages(search_key, masked))
+	try:
+		if masked:
+			t = portage.db["/"]["porttree"].dbapi.xmatch("match-all", search_key)
+			t += portage.db["/"]["vartree"].dbapi.match(search_key)
+		else:
+			t = portage.db["/"]["porttree"].dbapi.match(search_key)
+			t += portage.db["/"]["vartree"].dbapi.match(search_key)
+	# catch the "amgigous package" Exception
+	except ValueError, e:
+		if type(e[0]) == types.ListType:
+			t = []
+			for cp in e[0]:
+				if masked:
+					t += portage.db["/"]["porttree"].dbapi.xmatch("match-all", cp)
+					t += portage.db["/"]["vartree"].dbapi.match(cp)
+				else:
+					t += portage.db["/"]["porttree"].dbapi.match(cp)
+					t += portage.db["/"]["vartree"].dbapi.match(cp)
+		else:
+			raise ValueError(e)
+	# Make the list of packages unique
+	t = unique_array(t)
+	t.sort()
+	return geneticize_list(t)
 
 def find_installed_packages (search_key, masked=False):
 	"""This returns a list of packages which have to fit exactly. Additionally ranges like '<,>,=,~,!' et. al. are possible.
@@ -89,7 +112,18 @@ def find_installed_packages (search_key, masked=False):
 	@returns: list of found packages
 	@rtype: backend.Package[]"""
 
-	return geneticize_list(gentoolkit.find_installed_packages(search_key, masked))
+	try:
+		t = portage.db["/"]["vartree"].dbapi.match(search_key)
+	# catch the "amgigous package" Exception
+	except ValueError, e:
+		if type(e[0]) == types.ListType:
+			t = []
+			for cp in e[0]:
+				t += portage.db["/"]["vartree"].dbapi.match(cp)
+		else:
+			raise ValueError(e)
+
+	return geneticize_list(t)
 
 def find_system_packages ():
 	"""Looks for all packages saved as "system-packages".
@@ -97,8 +131,18 @@ def find_system_packages ():
 	@returns: a tuple of (resolved_packages, unresolved_packages).
 	@rtype: (backend.Package[], backend.Package[])"""
 
-	list = gentoolkit.find_system_packages()
-	return (geneticize_list(list[0]), geneticize_list(list[1]))
+	pkglist = settings.packages
+	resolved = []
+	unresolved = []
+	for x in pkglist:
+		cpv = x.strip()
+		if len(cpv) and cpv[0] == "*":
+			pkg = find_best_match(cpv)
+			if pkg:
+				resolved.append(pkg)
+			else:
+				unresolved.append(cpv)
+	return (geneticize_list(resolved), geneticize_list(unresolved))
 
 def find_world_packages ():
 	"""Looks for all packages saved in the world-file.
@@ -106,8 +150,19 @@ def find_world_packages ():
 	@returns: a tuple of (resolved_packages, unresolved_packages).
 	@rtype: (backend.Package[], backend.Package[])"""
 
-	list = gentoolkit.find_world_packages()
-	return geneticize_list(list[0]),geneticize_list(list[1])
+	f = open(portage.WORLD_FILE)
+	pkglist = f.readlines()
+	resolved = []
+	unresolved = []
+	for x in pkglist:
+		cpv = x.strip()
+		if len(cpv) and cpv[0] != "#":
+			pkg = find_best_match(cpv)
+			if pkg:
+				resolved.append(pkg)
+			else:
+				unresolved.append(cpv)
+	return (geneticize_list(resolved), geneticize_list(unresolved))
 
 def find_all_installed_packages (name=None, withVersion=True):
 	"""Finds all installed packages matching a name or all if no name is specified.
@@ -121,7 +176,11 @@ def find_all_installed_packages (name=None, withVersion=True):
 	@rtype: backend.Package[] or cp-string[]"""
 
 	if withVersion:
-		return geneticize_list(gentoolkit.find_all_installed_packages(find_lambda(name)))
+		t = vartree.dbapi.cpv_all()
+		if name:
+			t = filter(find_lambda(name),t)
+		return geneticize_list(t)
+	
 	else:
 		t = vartree.dbapi.cp_all()
 		if name:
@@ -136,7 +195,8 @@ def find_all_uninstalled_packages (name=None):
 	@returns: all packages found
 	@rtype: backend.Package[]"""
 
-	return geneticize_list(gentoolkit.find_all_uninstalled_packages(find_lambda(name)))
+	alist = find_all_packages(name)
+	return geneticize_list([x for x in alist if not x.is_installed()])	
 
 def find_all_packages (name=None, withVersion=True):
 	"""Finds all packages matching a name or all if no name is specified.
@@ -149,15 +209,21 @@ def find_all_packages (name=None, withVersion=True):
 	@returns: all packages/cp-strings found
 	@rtype: backend.Package[] or cp-string[]"""
 	
+	t = porttree.dbapi.cp_all()
+	t += vartree.dbapi.cp_all()
+	if name:
+		t = filter(find_lambda(name),t)
+	t = unique_array(t)
+	
 	if (withVersion):
-		return geneticize_list(gentoolkit.find_all_packages(find_lambda(name)))
+		t2 = []
+		for x in t:
+			t2 += porttree.dbapi.cp_list(x)
+			t2 += vartree.dbapi.cp_list(x)
+			t2 = unique_array(t2)
+		return geneticize_list(t2)
 	else:
-		t = porttree.dbapi.cp_all()
-		t += vartree.dbapi.cp_all()
-		t = unique_array(t)
-		if name:
-			t = filter(find_lambda(name),t)
-		return t
+		return t;
 
 def find_all_world_packages (name=None):
 	"""Finds all world packages matching a name or all if no name is specified.
@@ -214,7 +280,7 @@ def list_categories (name=None):
 	@returns: all categories found
 	@rtype: string[]"""
 
-	categories = gentoolkit.settings.categories
+	categories = settings.categories
 	return filter(find_lambda(name), categories)
 
 def split_package_name (name):
@@ -224,20 +290,31 @@ def split_package_name (name):
 	@type name: string
 	@returns: list: [category, name, version, rev] whereby rev is "r0" if not specified in the name
 	@rtype: string[]"""
-
-	return gentoolkit.split_package_name(name)
+	
+	r = portage.catpkgsplit(name)
+	if not r:
+		r = name.split("/")
+		if len(r) == 1:
+			return ["", name, "", "r0"]
+		else:
+			return r + ["", "r0"]
+	if r[0] == 'null':
+		r[0] = ''
+	return r
 
 def sort_package_list(pkglist):
 	"""Sorts a package list in the same manner portage does.
 	
 	@param pkglist: list to sort
 	@type pkglist: Packages[]"""
-
-	return gentoolkit.sort_package_list(pkglist)
+	
+	pkglist.sort(package.Package.compare_version)
+	return pkglist
 
 def reload_settings ():
 	"""Reloads portage."""
-	gentoolkit.settings = portage.config(config_incrementals = copy.deepcopy(gentoolkit.settings.incrementals))
+	global settings
+	settings = portage.config(config_incrementals = copy.deepcopy(settings.incrementals))
 
 def update_world (newuse = False, deep = False):
 	"""Calculates the packages to get updated in an update world.
@@ -259,7 +336,7 @@ def update_world (newuse = False, deep = False):
 		packages.append(line)
 	world.close()
 
-	sys = gentoolkit.settings.packages
+	sys = settings.packages
 	for x in sys:
 		if x[0] == "*":
 			x = x[1:]
@@ -268,9 +345,9 @@ def update_world (newuse = False, deep = False):
 	# Remove everything that is package.provided from our list
 	# This is copied from emerge.getlist()
 	for atom in packages[:]:
-		for expanded_atom in portage.flatten(portage.dep_virtual([atom], gentoolkit.settings)):
+		for expanded_atom in portage.flatten(portage.dep_virtual([atom], settings)):
 			mykey = portage.dep_getkey(expanded_atom)
-			if mykey in gentoolkit.settings.pprovideddict and portage.match_from_list(expanded_atom, settings.pprovideddict[mykey]):
+			if mykey in settings.pprovideddict and portage.match_from_list(expanded_atom, settings.pprovideddict[mykey]):
 					packages.remove(atom)
 					break
 
@@ -342,7 +419,7 @@ def get_use_desc (flag, package = None):
 	# fill cache if needed
 	if use_descs == {} or local_use_descs == {}:
 		# read use.desc
-		fd = open(gentoolkit.settings["PORTDIR"]+"/profiles/use.desc")
+		fd = open(settings["PORTDIR"]+"/profiles/use.desc")
 		for line in fd.readlines():
 			line = line.strip()
 			if line != "" and line[0] != '#':
@@ -351,7 +428,7 @@ def get_use_desc (flag, package = None):
 					use_descs[fields[0]] = fields[1]
 
 		# read use.local.desc
-		fd = open(gentoolkit.settings["PORTDIR"]+"/profiles/use.local.desc")
+		fd = open(settings["PORTDIR"]+"/profiles/use.local.desc")
 		for line in fd.readlines():
 			line = line.strip()
 			if line != "" and line[0] != '#':