[dak/master] Break out .dak file i/o handling into a seperate class
This will help when we need to do hacking on .dak files
for instance.
Signed-off-by: Mark Hymers <mhy@debian.org>
---
daklib/changes.py | 290 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 290 insertions(+), 0 deletions(-)
create mode 100755 daklib/changes.py
diff --git a/daklib/changes.py b/daklib/changes.py
new file mode 100755
index 0000000..150e7c5
--- /dev/null
+++ b/daklib/changes.py
@@ -0,0 +1,290 @@
+#!/usr/bin/env python
+# vim:set et sw=4:
+
+"""
+Changes class for dak
+
+@contact: Debian FTP Master <ftpmaster@debian.org>
+@copyright: 2001 - 2006 James Troup <james@nocrew.org>
+@copyright: 2009 Joerg Jaspert <joerg@debian.org>
+@copyright: 2009 Mark Hymers <mhy@debian.org>
+@license: GNU General Public License version 2 or later
+"""
+
+# 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 os
+import stat
+from cPickle import Unpickler, Pickler
+from errno import EPERM
+
+from apt_inst import debExtractControl
+from apt_pkg import ParseSection
+
+from utils import open_file, fubar, poolify
+
+###############################################################################
+
+__all__ = []
+
+###############################################################################
+
+CHANGESFIELDS_MANDATORY = [ "distribution", "source", "architecture",
+ "version", "maintainer", "urgency", "fingerprint", "changedby822",
+ "changedby2047", "changedbyname", "maintainer822", "maintainer2047",
+ "maintainername", "maintaineremail", "closes", "changes" ]
+
+__all__.append('CHANGESFIELDS_MANDATORY')
+
+CHANGESFIELDS_OPTIONAL = [ "changed-by", "filecontents", "format",
+ "process-new note", "adv id", "distribution-version", "sponsoremail" ]
+
+__all__.append('CHANGESFIELDS_OPTIONAL')
+
+CHANGESFIELDS_FILES = [ "package", "version", "architecture", "type", "size",
+ "md5sum", "sha1sum", "sha256sum", "component", "location id",
+ "source package", "source version", "maintainer", "dbtype", "files id",
+ "new", "section", "priority", "othercomponents", "pool name",
+ "original component" ]
+
+__all__.append('CHANGESFIELDS_FILES')
+
+CHANGESFIELDS_DSC = [ "source", "version", "maintainer", "fingerprint",
+ "uploaders", "bts changelog", "dm-upload-allowed" ]
+
+__all__.append('CHANGESFIELDS_DSC')
+
+CHANGESFIELDS_DSCFILES_MANDATORY = [ "size", "md5sum" ]
+
+__all__.append('CHANGESFIELDS_DSCFILES_MANDATORY')
+
+CHANGESFIELDS_DSCFILES_OPTIONAL = [ "files id" ]
+
+__all__.append('CHANGESFIELDS_DSCFILES_OPTIONAL')
+
+###############################################################################
+
+class Changes(object):
+ """ Convenience wrapper to carry around all the package information """
+
+ def __init__(self, **kwds):
+ self.reset()
+
+ def reset(self):
+ self.changes_file = ""
+
+ self.changes = {}
+ self.dsc = {}
+ self.files = {}
+ self.dsc_files = {}
+
+ self.orig_tar_id = None
+ self.orig_tar_location = ""
+ self.orig_tar_gz = None
+
+ def file_summary(self):
+ # changes["distribution"] may not exist in corner cases
+ # (e.g. unreadable changes files)
+ if not self.changes.has_key("distribution") or not \
+ isinstance(self.changes["distribution"], dict):
+ self.changes["distribution"] = {}
+
+ byhand = False
+ new = False
+ summary = ""
+ override_summary = ""
+
+ for name, entry in sorted(self.files.items()):
+ if entry.has_key("byhand"):
+ byhand = True
+ summary += name + " byhand\n"
+
+ elif entry.has_key("new"):
+ new = True
+ summary += "(new) %s %s %s\n" % (name, entry["priority"], entry["section"])
+
+ if entry.has_key("othercomponents"):
+ summary += "WARNING: Already present in %s distribution.\n" % (entry["othercomponents"])
+
+ if entry["type"] == "deb":
+ deb_fh = open_file(name)
+ summary += ParseSection(debExtractControl(deb_fh))["Description"] + '\n'
+ deb_fh.close()
+
+ else:
+ entry["pool name"] = poolify(self.changes.get("source", ""), entry["component"])
+ destination = entry["pool name"] + name
+ summary += name + "\n to " + destination + "\n"
+
+ if not entry.has_key("type"):
+ entry["type"] = "unknown"
+
+ if entry["type"] in ["deb", "udeb", "dsc"]:
+ # (queue/unchecked), there we have override entries already, use them
+ # (process-new), there we dont have override entries, use the newly generated ones.
+ override_prio = entry.get("override priority", entry["priority"])
+ override_sect = entry.get("override section", entry["section"])
+ override_summary += "%s - %s %s\n" % (name, override_prio, override_sect)
+
+ return (byhand, new, summary, override_summary)
+
+ def check_override(self):
+ """
+ Checks override entries for validity.
+
+ Returns an empty string if there are no problems
+ or the text of a warning if there are
+ """
+
+ conf = Config()
+ summary = ""
+
+ # Abandon the check if it's a non-sourceful upload
+ if not self.changes["architecture"].has_key("source"):
+ return summary
+
+ for name, entry in sorted(self.files.items()):
+ if not entry.has_key("new") and entry["type"] == "deb":
+ if entry["section"] != "-":
+ if entry["section"].lower() != entry["override section"].lower():
+ summary += "%s: package says section is %s, override says %s.\n" % (name,
+ entry["section"],
+ entry["override section"])
+
+ if entry["priority"] != "-":
+ if entry["priority"] != entry["override_priority"]:
+ summary += "%s: package says priority is %s, override says %s.\n" % (name,
+ entry["priority"],
+ entry["override priority"])
+
+ return summary
+
+
+ def load_dot_dak(self, changesfile):
+ """
+ Update ourself by reading a previously created cPickle .dak dumpfile.
+ """
+
+ self.changes_file = changesfile
+ dump_filename = self.changes_file[:-8]+".dak"
+ dump_file = open_file(dump_filename)
+
+ p = Unpickler(dump_file)
+
+ self.changes.update(p.load())
+ self.dsc.update(p.load())
+ self.files.update(p.load())
+ self.dsc_files.update(p.load())
+
+ self.orig_tar_id = p.load()
+ self.orig_tar_location = p.load()
+
+ dump_file.close()
+
+ def sanitised_files(self):
+ ret = {}
+ for name, entry in self.files.items():
+ ret[name] = {}
+ for i in CHANGESFIELDS_FILES:
+ if entry.has_key(i):
+ ret[name][i] = entry[i]
+
+ return ret
+
+ def sanitised_changes(self):
+ ret = {}
+ # Mandatory changes fields
+ for i in CHANGESFIELDS_MANDATORY:
+ ret[i] = self.changes[i]
+
+ # Optional changes fields
+ for i in CHANGESFIELDS_OPTIONAL:
+ if self.changes.has_key(i):
+ ret[i] = self.changes[i]
+
+ return ret
+
+ def sanitised_dsc(self):
+ ret = {}
+ for i in CHANGESFIELDS_DSC:
+ if self.dsc.has_key(i):
+ ret[i] = self.dsc[i]
+
+ return ret
+
+ def sanitised_dsc_files(self):
+ ret = {}
+ for name, entry in self.dsc_files.items():
+ ret[name] = {}
+ # Mandatory dsc_files fields
+ for i in CHANGESFIELDS_DSCFILES_MANDATORY:
+ ret[name][i] = entry[i]
+
+ # Optional dsc_files fields
+ for i in CHANGESFIELDS_DSCFILES_OPTIONAL:
+ if entry.has_key(i):
+ ret[name][i] = entry[i]
+
+ return ret
+
+ def write_dot_dak(self, dest_dir):
+ """
+ Dump ourself into a cPickle file.
+
+ @type dest_dir: string
+ @param dest_dir: Path where the dumpfile should be stored
+
+ @note: This could just dump the dictionaries as is, but I'd like to avoid this so
+ there's some idea of what process-accepted & process-new use from
+ process-unchecked. (JT)
+
+ """
+
+ dump_filename = os.path.join(dest_dir, self.changes_file[:-8] + ".dak")
+ dump_file = open_file(dump_filename, 'w')
+
+ try:
+ os.chmod(dump_filename, 0664)
+ except OSError, e:
+ # chmod may fail when the dumpfile is not owned by the user
+ # invoking dak (like e.g. when NEW is processed by a member
+ # of ftpteam)
+ if e.errno == EPERM:
+ perms = stat.S_IMODE(os.stat(dump_filename)[stat.ST_MODE])
+ # security precaution, should never happen unless a weird
+ # umask is set anywhere
+ if perms & stat.S_IWOTH:
+ fubar("%s is world writable and chmod failed." % \
+ (dump_filename,))
+ # ignore the failed chmod otherwise as the file should
+ # already have the right privileges and is just, at worst,
+ # unreadable for world
+ else:
+ raise
+
+ p = Pickler(dump_file, 1)
+
+ p.dump(self.sanitised_changes())
+ p.dump(self.sanitised_dsc())
+ p.dump(self.sanitised_files())
+ p.dump(self.sanitised_dsc_files())
+ p.dump(self.orig_tar_id)
+ p.dump(self.orig_tar_location)
+
+ dump_file.close()
+
+__all__.append('Changes')
--
1.5.6.5
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