#!/usr/bin/env python
-# Display, edit and check the release manager's transition file.
-# Copyright (C) 2008 Joerg Jaspert <joerg@debian.org>
+"""
+Display, edit and check the release manager's transition file.
+
+@contact: Debian FTP Master <ftpmaster@debian.org>
+@copyright: 2008 Joerg Jaspert <joerg@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
################################################################################
-import os, pg, sys, time, errno, fcntl, tempfile, pwd, re
+import os
+import pg
+import sys
+import time
+import errno
+import fcntl
+import tempfile
+import pwd
import apt_pkg
from daklib import database
from daklib import utils
from daklib.dak_exceptions import TransitionsError
+from daklib.regexes import re_broken_package
import yaml
# Globals
-Cnf = None
-Options = None
-projectB = None
-
-re_broken_package = re.compile(r"[a-zA-Z]\w+\s+\-.*")
+Cnf = None #: Configuration, apt_pkg.Configuration
+Options = None #: Parsed CommandLine arguments
+projectB = None #: database connection, pgobject
################################################################################
#### This may run within sudo !! ####
#####################################
def init():
+ """
+ Initialize. Sets up database connection, parses commandline arguments.
+
+ @attention: This function may run B{within sudo}
+
+ """
global Cnf, Options, projectB
apt_pkg.init()
#### This may run within sudo !! ####
#####################################
def load_transitions(trans_file):
+ """
+ Parse a transition yaml file and check it for validity.
+
+ @attention: This function may run B{within sudo}
+
+ @type trans_file: string
+ @param trans_file: filename to parse
+
+ @rtype: dict or None
+ @return: validated dictionary of transition entries or None
+ if validation fails, empty string if reading C{trans_file}
+ returned something else than a dict
+
+ """
# Parse the yaml file
sourcefile = file(trans_file, 'r')
sourcecontent = sourcefile.read()
#### This may run within sudo !! ####
#####################################
def lock_file(f):
+ """
+ Lock a file
+
+ @attention: This function may run B{within sudo}
+
+ """
for retry in range(10):
lock_fd = os.open(f, os.O_RDWR | os.O_CREAT)
try:
#### This may run within sudo !! ####
#####################################
def write_transitions(from_trans):
- """Update the active transitions file safely.
- This function takes a parsed input file (which avoids invalid
- files or files that may be be modified while the function is
- active), and ensure the transitions file is updated atomically
- to avoid locks."""
+ """
+ Update the active transitions file safely.
+ This function takes a parsed input file (which avoids invalid
+ files or files that may be be modified while the function is
+ active) and ensure the transitions file is updated atomically
+ to avoid locks.
+
+ @attention: This function may run B{within sudo}
+
+ @type from_trans: dict
+ @param from_trans: transitions dictionary, as returned by L{load_transitions}
+
+ """
trans_file = Cnf["Dinstall::Reject::ReleaseTransitions"]
trans_temp = trans_file + ".tmp"
#### This usually runs within sudo !! ####
##########################################
def write_transitions_from_file(from_file):
- """We have a file we think is valid; if we're using sudo, we invoke it
- here, otherwise we just parse the file and call write_transitions"""
+ """
+ We have a file we think is valid; if we're using sudo, we invoke it
+ here, otherwise we just parse the file and call write_transitions
+
+ @attention: This function usually runs B{within sudo}
+
+ @type from_file: filename
+ @param from_file: filename of a transitions file
+
+ """
# Lets check if from_file is in the directory we expect it to be in
if not os.path.abspath(from_file).startswith(Cnf["Transitions::TempPath"]):
################################################################################
def temp_transitions_file(transitions):
- # NB: file is unlinked by caller, but fd is never actually closed.
- # We need the chmod, as the file is (most possibly) copied from a
- # sudo-ed script and would be unreadable if it has default mkstemp mode
+ """
+ Open a temporary file and dump the current transitions into it, so users
+ can edit them.
+
+ @type transitions: dict
+ @param transitions: current defined transitions
+
+ @rtype: string
+ @return: path of newly created tempfile
+
+ @note: NB: file is unlinked by caller, but fd is never actually closed.
+ We need the chmod, as the file is (most possibly) copied from a
+ sudo-ed script and would be unreadable if it has default mkstemp mode
+ """
(fd, path) = tempfile.mkstemp("", "transitions", Cnf["Transitions::TempPath"])
os.chmod(path, 0644)
################################################################################
def edit_transitions():
+ """ Edit the defined transitions. """
trans_file = Cnf["Dinstall::Reject::ReleaseTransitions"]
edit_file = temp_transitions_file(load_transitions(trans_file))
################################################################################
def check_transitions(transitions):
+ """
+ Check if the defined transitions still apply and remove those that no longer do.
+ @note: Asks the user for confirmation first.
+
+ """
to_dump = 0
to_remove = []
# Now look through all defined transitions
################################################################################
def print_info(trans, source, expected, rm, reason, packages):
+ """
+ Print information about a single transition.
+
+ @type trans: string
+ @param trans: Transition name
+
+ @type source: string
+ @param source: Source package
+
+ @type expected: string
+ @param expected: Expected version in testing
+
+ @type rm: string
+ @param rm: Responsible RM
+
+ @type reason: string
+ @param reason: Reason
+
+ @type packages: list
+ @param packages: list of blocked packages
+
+ """
print """Looking at transition: %s
Source: %s
New Version: %s
################################################################################
def transition_info(transitions):
+ """
+ Print information about all defined transitions.
+ Calls L{print_info} for every transition and then tells user if the transition is
+ still ongoing or if the expected version already hit testing.
+
+ @type transitions: dict
+ @param transitions: defined transitions
+ """
for trans in transitions:
t = transitions[trans]
source = t["source"]
################################################################################
def main():
+ """
+ Prepare the work to be done, do basic checks.
+
+ @attention: This function may run B{within sudo}
+
+ """
global Cnf
#####################################
projects / dak.git / blobdiff