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# aptsource.py.in - parse sources.list
#
# Copyright (c) 2004,2005 Canonical
# 2004 Michiel Sikkes
#
# Author: Michiel Sikkes <michiel@eyesopened.nl>
# Michael Vogt <mvo@debian.org>
#
# 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; either version 2 of the
# License, or (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import string
import gettext
import re
import apt_pkg
import glob
import shutil
import time
import os.path
from UpdateManager.Common.DistInfo import DistInfo
# some global helpers
def is_mirror(master_uri, compare_uri):
"""check if the given add_url is idential or a mirror of orig_uri
e.g. master_uri = archive.ubuntu.com
compare_uri = de.archive.ubuntu.com
-> True
"""
# remove traling spaces and "/"
compare_uri = compare_uri.rstrip("/ ")
master_uri = master_uri.rstrip("/ ")
# uri is identical
if compare_uri == master_uri:
#print "Identical"
return True
# add uri is a master site and orig_uri has the from "XX.mastersite"
# (e.g. de.archive.ubuntu.com)
try:
compare_srv = compare_uri.split("//")[1]
master_srv = master_uri.split("//")[1]
#print "%s == %s " % (add_srv, orig_srv)
except IndexError: # ok, somethings wrong here
#print "IndexError"
return False
# remove the leading "<country>." (if any) and see if that helps
if "." in compare_srv and \
compare_srv[compare_srv.index(".")+1:] == master_srv:
#print "Mirror"
return True
return False
def uniq(s):
""" simple (and not efficient) way to return uniq list """
u = []
for x in s:
if x not in u:
u.append(x)
return u
# actual source.list entries
class SourceEntry:
def __init__(self, line,file=None):
self.invalid = False
self.disabled = False
self.type = ""
self.uri = ""
self.dist = ""
self.comps = []
self.comment = ""
self.line = line
if file == None:
file = apt_pkg.Config.FindDir("Dir::Etc")+apt_pkg.Config.Find("Dir::Etc::sourcelist")
self.file = file
self.parse(line)
# works mostely like split but takes [] into account
def mysplit(self, line):
line = string.strip(line)
pieces = []
tmp = ""
# we are inside a [..] block
p_found = False
space_found = False
for i in range(len(line)):
if line[i] == "[":
p_found=True
tmp += line[i]
elif line[i] == "]":
p_found=False
tmp += line[i]
elif space_found and not line[i].isspace(): # we skip one or more space
space_found = False
pieces.append(tmp)
tmp = line[i]
elif line[i].isspace() and not p_found: # found a whitespace
space_found = True
else:
tmp += line[i]
# append last piece
if len(tmp) > 0:
pieces.append(tmp)
return pieces
# parse a given source line and split it into the fields we need
def parse(self,line):
line = string.strip(self.line)
#print line
# check if the source is enabled/disabled
if line == "" or line == "#": # empty line
self.invalid = True
return
if line[0] == "#":
self.disabled = True
pieces = string.split(line[1:])
# if it looks not like a disabled deb line return
if not (pieces[0] == "deb" or pieces[0] == "deb-src"):
self.invalid = True
return
else:
line = line[1:]
# check for another "#" in the line (this is treated as a comment)
i = line.find("#")
if i > 0:
self.comment = line[i+1:]
line = line[:i]
# source is ok, split it and see what we have
pieces = self.mysplit(line)
# Sanity check
if len(pieces) < 3:
self.invalid = True
return
# Type, deb or deb-src
self.type = string.strip(pieces[0])
# Sanity check
if self.type not in ("deb", "deb-src"):
self.invalid = True
return
# URI
self.uri = string.strip(pieces[1])
if len(self.uri) < 1:
self.invalid = True
# distro and components (optional)
# Directory or distro
self.dist = string.strip(pieces[2])
if len(pieces) > 3:
# List of components
self.comps = pieces[3:]
else:
self.comps = []
#print self.__dict__
# set enabled/disabled
def set_enabled(self, new_value):
self.disabled = not new_value
# enable, remove all "#" from the start of the line
if new_value == True:
i=0
self.line = string.lstrip(self.line)
while self.line[i] == "#":
i += 1
self.line = self.line[i:]
else:
# disabled, add a "#"
if string.strip(self.line)[0] != "#":
self.line = "#" + self.line
def __str__(self):
""" debug helper """
return self.str().strip()
def str(self):
""" return the current line as string """
if self.invalid:
return self.line
line = ""
if self.disabled:
line = "# "
line += "%s %s %s" % (self.type, self.uri, self.dist)
if len(self.comps) > 0:
line += " " + " ".join(self.comps)
if self.comment != "":
line += " #"+self.comment
line += "\n"
return line
# the SourceList file as a class
class SourcesList:
def __init__(self):
self.list = [] # of Type SourceEntries
self.refresh()
def refresh(self):
self.list = []
# read sources.list
dir = apt_pkg.Config.FindDir("Dir::Etc")
file = apt_pkg.Config.Find("Dir::Etc::sourcelist")
self.load(dir+file)
# read sources.list.d
partsdir = apt_pkg.Config.FindDir("Dir::Etc::sourceparts")
for file in glob.glob("%s/*.list" % partsdir):
self.load(file)
def __iter__(self):
for entry in self.list:
yield entry
raise StopIteration
def add(self, type, uri, dist, comps, comment="", pos=-1):
# if there is a repo with the same (type, uri, dist) just add the
# components
for i in self.list:
if i.type == type and is_mirror(uri,i.uri) and i.dist == dist:
comps = uniq(i.comps + comps)
# set to the old position and preserve comment
comment = i.comment
pos = self.list.index(i)
self.list.remove(i)
line = "%s %s %s" % (type,uri,dist)
for c in comps:
line = line + " " + c;
if comment != "":
line = "%s #%s\n" %(line,comment)
line = line + "\n"
self.list.insert(pos, SourceEntry(line))
def remove(self, source_entry):
self.list.remove(source_entry)
def restoreBackup(self, backup_ext):
" restore sources.list files based on the backup extension "
dir = apt_pkg.Config.FindDir("Dir::Etc")
file = apt_pkg.Config.Find("Dir::Etc::sourcelist")
if os.path.exists(dir+file+backup_ext):
shutil.copy(dir+file+backup_ext,dir+file)
# now sources.list.d
partsdir = apt_pkg.Config.FindDir("Dir::Etc::sourceparts")
for file in glob.glob("%s/*.list" % partsdir):
if os.path.exists(file+backup_ext):
shutil.copy(file+backup_ext,file)
def backup(self, backup_ext=None):
""" make a backup of the current source files, if no backup extension
is given, the current date/time is used (and returned) """
already_backuped = set()
if backup_ext == None:
backup_ext = time.strftime("%y%m%d.%H%M")
for source in self.list:
if not source.file in already_backuped:
shutil.copy(source.file,"%s%s" % (source.file,backup_ext))
return backup_ext
def load(self,file):
""" (re)load the current sources """
f = open(file, "r")
lines = f.readlines()
for line in lines:
source = SourceEntry(line,file)
self.list.append(source)
f.close()
def save(self):
""" save the current sources """
files = {}
for source in self.list:
if not files.has_key(source.file):
files[source.file]=open(source.file,"w")
files[source.file].write(source.str())
for f in files:
files[f].close()
# templates for the add dialog
class SourceEntryTemplate(SourceEntry):
def __init__(self,a_type,uri,dist,description,comps):
self.comps_descriptions = []
self.type = a_type
self.uri = uri
self.dist = dist
self.description = description
self.comps = comps
def matches(self,source_entry):
""" check if a given source_entry matches this one """
if (self.type != source_entry.type):
return False
if (self.dist != source_entry.dist):
return False
if not is_mirror(self.uri,source_entry.uri):
return False
for e_comp in source_entry.comps:
for t_comp in self.comps:
if e_comp == t_comp.name: break
else:
return False
return True
class SourceCompTemplate:
def __init__(self, name, description, on_by_default):
self.name = name
self.description = description
self.on_by_default = on_by_default
class SourceEntryTemplates:
def __init__(self,datadir):
_ = gettext.gettext
self.templates = []
dinfo = DistInfo (base_dir=datadir+"channels/")
for suite in dinfo.suites:
comps = []
for comp in suite.components:
comps.append(SourceCompTemplate(comp.name, _(comp.description),
comp.enabled))
self.templates.append (SourceEntryTemplate(suite.repository_type,
suite.base_uri,
suite.name,
suite.description,
comps))
# matcher class to make a source entry look nice
# lots of predefined matchers to make it i18n/gettext friendly
class SourceEntryMatcher:
class MatchType:
def __init__(self, a_type,a_descr):
self.type = a_type
self.description = a_descr
class MatchDist:
def __init__(self,a_uri,a_dist, a_descr,l_comps, l_comps_descr):
self.uri = a_uri
self.dist = a_dist
self.description = a_descr
self.comps = l_comps
self.comps_descriptions = l_comps_descr
def __init__(self):
_ = gettext.gettext
self.type_list = []
self.type_list.append(self.MatchType("^deb$",_("Binary")))
self.type_list.append(self.MatchType("^deb-src$",_("Source")))
self.dist_list = []
ubuntu_comps = ["^main$","^restricted$","^universe$","^multiverse$"]
ubuntu_comps_descr = [_("Officially supported"),
_("Restricted copyright"),
_("Community maintained (Universe)"),
_("Non-free (Multiverse)")]
# CDs
self.dist_list.append(self.MatchDist("cdrom:\[Ubuntu.*6.06",
".*",
_("CD disk with Ubuntu 6.06 LTS"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist("cdrom:\[Ubuntu.*5.10",
".*",
_("CD disk with Ubuntu 5.10"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist("cdrom:\[Ubuntu.*5.04",
".*",
_("CD disk with Ubuntu 5.04"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist("cdrom:\[Ubuntu.*4.10",
".*",
_("CD disk with Ubuntu 4.10"),
ubuntu_comps, ubuntu_comps_descr))
# URIs
# Warty
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^warty$",
"Ubuntu 4.10",
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*security.ubuntu.com/ubuntu",
"^warty-security$",
_("Ubuntu 4.10 Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^warty-security$",
_("Ubuntu 4.10 Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^warty-updates$",
_("Ubuntu 4.10 Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^warty-backports$",
_("Ubuntu 4.10 Backports"),
ubuntu_comps, ubuntu_comps_descr))
# Hoary
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^hoary-security$",
_("Ubuntu 5.04 Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*security.ubuntu.com/ubuntu",
"^hoary-security$",
_("Ubuntu 5.04 Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^hoary$",
"Ubuntu 5.04",
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^hoary-updates$",
_("Ubuntu 5.04 Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^hoary-backports$",
_("Ubuntu 5.04 Backports"),
ubuntu_comps, ubuntu_comps_descr))
# Breezy
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^breezy-security$",
_("Ubuntu 5.10 Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*security.ubuntu.com/ubuntu",
"^breezy-security$",
_("Ubuntu 5.10 Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^breezy$",
"Ubuntu 5.10",
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^breezy-backports$",
_("Ubuntu 5.10 Backports"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^breezy-updates$",
_("Ubuntu 5.10 Updates"),
ubuntu_comps, ubuntu_comps_descr))
# dapper
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^dapper-security$",
_("Ubuntu 6.06 LTS Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*security.ubuntu.com/ubuntu",
"^dapper-security$",
_("Ubuntu 6.06 LTS Security Updates"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^dapper$",
"Ubuntu 6.06 LTS",
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^dapper-backports$",
_("Ubuntu 6.06 LTS Backports"),
ubuntu_comps, ubuntu_comps_descr))
self.dist_list.append(self.MatchDist(".*archive.ubuntu.com/ubuntu",
"^dapper-updates$",
_("Ubuntu 6.06 LTS Updates"),
ubuntu_comps, ubuntu_comps_descr))
# DEBIAN
debian_comps = ["^main$","^contrib$","^non-free$","^non-US$"]
debian_comps_descr = [_("Officially supported"),
_("Contributed software"),
_("Non-free software"),
_("US export restricted software")
]
# dists by name
self.dist_list.append(self.MatchDist(".*debian.org/debian",
"^sarge$",
_("Debian 3.1 \"Sarge\""),
debian_comps, debian_comps_descr))
self.dist_list.append(self.MatchDist(".*debian.org/debian",
"^woody$",
_("Debian 3.0 \"Woody\""),
debian_comps, debian_comps_descr))
# securtiy
self.dist_list.append(self.MatchDist(".*security.debian.org",
"^stable.*$",
_("Debian Stable Security Updates"),
debian_comps, debian_comps_descr))
# dists by status
self.dist_list.append(self.MatchDist(".*debian.org/debian",
"^stable$",
_("Debian Stable"),
debian_comps, debian_comps_descr))
self.dist_list.append(self.MatchDist(".*debian.org/debian",
"^testing$",
_("Debian Testing"),
debian_comps, debian_comps_descr))
self.dist_list.append(self.MatchDist(".*debian.org/debian",
"^unstable$",
_("Debian Unstable \"Sid\""),
debian_comps, debian_comps_descr))
# non-us
self.dist_list.append(self.MatchDist(".*debian.org/debian-non-US",
"^stable.*$",
_("Debian Non-US (Stable)"),
debian_comps, debian_comps_descr))
self.dist_list.append(self.MatchDist(".*debian.org/debian-non-US",
"^testing.*$",
_("Debian Non-US (Testing)"),
debian_comps, debian_comps_descr))
self.dist_list.append(self.MatchDist(".*debian.org/debian-non-US",
"^unstable.*$",
_("Debian Non-US (Unstable)"),
debian_comps, debian_comps_descr))
def match(self,source):
_ = gettext.gettext
# some sane defaults first
type_description = source.type
dist_description = source.uri + " " + source.dist
comp_description = ""
for c in source.comps:
comp_description = comp_description + " " + c
for t in self.type_list:
if re.match(t.type, source.type):
type_description = _(t.description)
break
for d in self.dist_list:
#print "'%s'" %source.uri
if re.match(d.uri, source.uri) and re.match(d.dist,source.dist):
dist_description = d.description
comp_description = ""
for c in source.comps:
found = False
for i in range(len(d.comps)):
if re.match(d.comps[i], c):
comp_description = comp_description+"\n"+d.comps_descriptions[i]
found = True
if found == False:
comp_description = comp_description+" "+c
break
return (type_description,dist_description,comp_description)
# some simple tests
if __name__ == "__main__":
apt_pkg.InitConfig()
sources = SourcesList()
for entry in sources:
print entry.str()
#print entry.uri
mirror = is_mirror("http://archive.ubuntu.com/ubuntu/",
"http://de.archive.ubuntu.com/ubuntu/")
print "is_mirror(): %s" % mirror
print is_mirror("http://archive.ubuntu.com/ubuntu",
"http://de.archive.ubuntu.com/ubuntu/")
|
