/[gli]/branches/qs/src/GLIPortage.py
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Contents of /branches/qs/src/GLIPortage.py

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Revision 1188 - (hide annotations) (download) (as text)
Sun Dec 25 14:14:43 2005 UTC (8 years, 10 months ago) by agaffney
Original Path: trunk/src/GLIPortage.py
File MIME type: text/x-python
File size: 8858 byte(s)
call runtimedeps.py with python

1 agaffney 1181 """
2     # Copyright 1999-2005 Gentoo Foundation
3     # This source code is distributed under the terms of version 2 of the GNU
4     # General Public License as published by the Free Software Foundation, a copy
5     # of which can be found in the main directory of this project.
6     Gentoo Linux Installer
7    
8 agaffney 1188 $Id: GLIPortage.py,v 1.6 2005/12/25 14:14:43 agaffney Exp $
9 agaffney 1181 """
10    
11     import os
12 agaffney 1182 import re
13 agaffney 1181 import GLIUtility
14    
15     class MissingPackagesError(Exception):
16     pass
17    
18     class depgraph:
19    
20     def __init__(self):
21     self.graph = {}
22    
23     def add(self, node, parent=None):
24     if node not in self.graph:
25     self.graph[node] = [[], []]
26     if parent and parent not in self.graph[node][0]:
27     if parent not in self.graph:
28     self.graph[parent] = [[], []]
29     self.graph[node][0].append(parent)
30     self.graph[parent][1].append(node)
31    
32     def remove(self, node):
33     for parent in self.graph[node][0]:
34     self.graph[parent][1].remove(node)
35     for child in self.graph[node][1]:
36     self.graph[child][0].remove(node)
37     return self.graph.pop(node)
38    
39     def has_node(self, node):
40     return node in self.graph
41    
42     def leaf_nodes(self):
43     return [node for node in self.graph if not self.graph[node][1]]
44    
45     def node_count(self):
46     return len(self.graph)
47    
48     def important_node(self):
49     important_node = None
50     importance = 0
51     for node in self.graph:
52     if len(self.graph[node][0]) > importance:
53     importance = len(self.graph[node][0])
54     important_node = node
55     return important_node
56    
57     class GLIPortage(object):
58    
59 agaffney 1183 def __init__(self, chroot_dir, grp_install, logger, debug):
60 agaffney 1182 self._chroot_dir = chroot_dir
61     self._logger = logger
62     self._debug = debug
63 agaffney 1183 self._grp_install = grp_install
64 agaffney 1181
65     def resolve_deps(self, dep_list):
66     if dep_list and dep_list[0] == "||":
67     for dep in dep_list[1:]:
68     if isinstance(dep, list):
69     try:
70     atoms = resolve_deps(dep)
71     except MissingPackagesError:
72     continue
73     else:
74     atoms = [dep]
75     all_found = True
76     for atom in atoms:
77     if not atom.startswith("!") and not self.vdb.match(atom):
78     all_found = False
79     break
80     if all_found:
81     return atoms
82     raise MissingPackagesError(dep_list)
83     atoms = []
84     for dep in dep_list:
85     if isinstance(dep, list):
86     atoms.extend(resolve_deps(dep))
87     elif not dep.startswith("!"):
88     if not self.vdb.match(dep):
89     raise MissingPackagesError([dep])
90     atoms.append(dep)
91     return atoms
92    
93 agaffney 1183 def get_deps(self, pkgs):
94     if not self._grp_install:
95 agaffney 1181 del(os.environ['ROOT'])
96 agaffney 1182 return GLIUtility.spawn("emerge -p " + pkgs + r" | grep -e '^\[[a-z]' | cut -d ']' -f2 | sed -e 's:^ ::' -e 's: .\+$::'", chroot=self._chroot_dir, return_output=True)[1].split("\n")
97     os.environ['ROOT'] = self._chroot_dir
98 agaffney 1181 else:
99 agaffney 1188 return GLIUtility.spawn("python ../../runtimedeps.py " + pkgs, return_output=True)[1].split("\n")[:-1]
100 agaffney 1182
101     def copy_pkg_to_chroot(self, package):
102     symlinks = { '/bin/': '/mnt/livecd/bin/', '/boot/': '/mnt/livecd/boot/', '/lib/': '/mnt/livecd/lib/',
103     '/opt/': '/mnt/livecd/opt/', '/sbin/': '/mnt/livecd/sbin/', '/usr/': '/mnt/livecd/usr/',
104     '/etc/gconf/': '/usr/livecd/gconf/' }
105    
106     # Copy the vdb entry for the package from the LiveCD to the chroot
107     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): copying vdb entry for " + package)
108     if not GLIUtility.exitsuccess(GLIUtility.spawn("mkdir -p " + self._chroot_dir + "/var/db/pkg/" + package + " && cp -a /var/db/pkg/" + package + "/* " + self._chroot_dir + "/var/db/pkg/" + package)):
109     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not copy vdb entry for " + package)
110    
111     # Create list of files for tar to work with from CONTENTS file in vdb entry
112     entries = GLIUtility.parse_vdb_contents("/var/db/pkg/" + package + "/CONTENTS")
113     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot: files for " + package + ": " + str(entries))
114     try:
115     tarfiles = open("/tmp/tarfilelist", "w")
116     for entry in entries:
117     parts = entry.split(" ")
118     # Hack for symlink crappiness
119     for symlink in symlinks:
120     if parts[0].startswith(symlink):
121     parts[0] = symlinks[symlink] + parts[0][len(symlink):]
122     tarfiles.write(parts[0] + "\n")
123     tarfiles.close()
124     except:
125     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not create filelist for " + package)
126    
127     # Use tar to transfer files into IMAGE directory
128     tmpdir = "/var/tmp/portage"
129     image_dir = tmpdir + "/" + package.split("/")[1] + "/image"
130     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running 'mkdir -p " + self._chroot_dir + image_dir + " && tar -c --files-from=/tmp/tarfilelist --no-recursion 2>/dev/null | tar -C " + self._chroot_dir + image_dir + " -x'")
131     if not GLIUtility.exitsuccess(GLIUtility.spawn("mkdir -p " + self._chroot_dir + image_dir + " && tar -c --files-from=/tmp/tarfilelist --no-recursion 2>/dev/null | tar -C " + self._chroot_dir + image_dir + " -x")):
132     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not execute tar for " + package)
133    
134     # More symlink crappiness hacks
135     for symlink in symlinks:
136     if GLIUtility.is_file(self._chroot_dir + image_dir + symlinks[symlink]):
137     # parts[0] = symlinks[symlink] + parts[len(symlink):]
138     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): fixing /usr/livecd/gconf/ stuff in " + image_dir + " for " + package)
139     if not GLIUtility.exitsuccess(GLIUtility.spawn("mv " + self._chroot_dir + image_dir + symlinks[symlink] + " " + self._chroot_dir + image_dir + symlink)):
140     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not fix /usr/livecd/gconf/ stuff for " + package)
141    
142     # Run pkg_setup
143     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running pkg_setup for " + package)
144     if not GLIUtility.exitsuccess(GLIUtility.spawn("env ROOT=" + self._chroot_dir + " PORTAGE_TMPDIR=" + self._chroot_dir + tmpdir + " ebuild " + self._chroot_dir + "/var/db/pkg/" + package + "/*.ebuild setup")):
145     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not execute pkg_setup for " + package)
146    
147     # Run qmerge
148     # if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running qmerge for " + package)
149     # if not GLIUtility.exitsuccess(GLIUtility.spawn("env ROOT=" + self._chroot_dir + " PORTAGE_TMPDIR=" + self._chroot_dir + tmpdir + " ebuild " + self._chroot_dir + "/var/db/pkg/" + package + "/*.ebuild qmerge")):
150     # raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not execute qmerge for " + package)
151    
152     # Run pkg_preinst
153     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running preinst for " + package)
154     if not GLIUtility.exitsuccess(GLIUtility.spawn("env ROOT=" + self._chroot_dir + " PORTAGE_TMPDIR=" + self._chroot_dir + tmpdir + " ebuild " + self._chroot_dir + "/var/db/pkg/" + package + "/*.ebuild preinst")):
155     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not execute preinst for " + package)
156    
157     # Copy files from image_dir to chroot
158     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): copying files from " + image_dir + " to / for " + package)
159     if not GLIUtility.exitsuccess(GLIUtility.spawn("cp -a " + self._chroot_dir + image_dir + "/* " + self._chroot_dir)):
160     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not copy files from " + image_dir + " to / for " + package)
161    
162     # Run pkg_postinst
163     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running postinst for " + package)
164     if not GLIUtility.exitsuccess(GLIUtility.spawn("env ROOT=" + self._chroot_dir + " PORTAGE_TMPDIR=" + self._chroot_dir + tmpdir + " ebuild " + "/var/db/pkg/" + package + "/*.ebuild postinst")):
165     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not execute postinst for " + package)
166    
167     # Remove image_dir
168     if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): removing + " + image_dir + " for " + package)
169     if not GLIUtility.exitsuccess(GLIUtility.spawn("rm -rf " + self._chroot_dir + image_dir)):
170     raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not remove + " + image_dir + " for " + package)
171    
172     def add_pkg_to_world(self, package):
173     if package.find("/") == -1:
174     package = GLIUtility.spawn("portageq best_version / " + package, chroot=self._chroot_dir, return_output=True)[1].strip()
175     if not package: return False
176     expr = re.compile('^(.+?)(-\d.+)?$')
177     res = expr.match(package)
178     if res:
179     GLIUtility.spawn("echo " + res.group(1) + " >> " + self._chroot_dir + "/var/lib/portage/world")
180    
181 agaffney 1185 def get_best_version_vdb(self, package):
182     return GLIUtility.spawn("portageq best_version / " + package, return_output=True)[1].strip()
183 agaffney 1184 #
184     # def get_best_version_tree(self, package):
185     # return portage.best(tree.match(package))

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