#!/usr/bin/env python
+""" generates partial package updates list"""
+
###########################################################
-# generates partial package updates list
# idea and basic implementation by Anthony, some changes by Andreas
# parts are stolen from 'dak generate-releases'
################################################################################
-import sys, os, tempfile
+import sys
+import os
+import tempfile
+import subprocess
+import time
import apt_pkg
-import bz2, gzip, time
+import pg
from daklib import utils
+from daklib import database
################################################################################
print "missing: %s" % (f)
raise IOError, f
-def smartread(filename):
- """
- If filename exists, slurp the contents into a string.
- if filename.gz or filename.bz2 exists instead, decompress and slurp
- It returns a tuple of (filename, filecontents)
- """
- actual_filename = None
- contents = None
- if os.path.isfile(filename):
- f = open(filename, "r")
- elif os.path.isfile("%s.gz" % filename):
- actual_filename = "%s.gz" % filename
- f = decompressors['zcat'](actual_filename)
- elif os.path.isfile("%s.bz2" % filename):
- actual_filename = "%s.bz2" % filename
- f = decompressors['bzcat'](actual_filename)
+def smartopen(file):
+ if os.path.isfile(file):
+ f = open(file, "r")
+ elif os.path.isfile("%s.gz" % file):
+ f = create_temp_file(os.popen("zcat %s.gz" % file, "r"))
+ elif os.path.isfile("%s.bz2" % file):
+ f = create_temp_file(os.popen("bzcat %s.bz2" % file, "r"))
else:
f = None
-
- if f:
- contents = f.read()
-
- return (actual_filename, contents)
+ return f
def pipe_file(f, t):
f.seek(0)
for h in l:
out.write(" %s %7d %s\n" % (hs[h][1][0], hs[h][1][1], h))
-decompressors = { 'zcat' : gzip.GzipFile,
- 'bzip2' : bz2.BZ2File }
-
-def sizesha1_str(s):
- """
- given a string, return a tuple containing its (sha1sum, length)
- """
- return (apt_pkg.sha1sum(s), len( s ) )
+def create_temp_file(r):
+ f = tempfile.TemporaryFile()
+ while 1:
+ x = r.readline()
+ if not x: break
+ f.write(x)
+ r.close()
+ del x,r
+ f.flush()
+ f.seek(0)
+ return f
def sizesha1(f):
size = os.fstat(f.fileno())[6]
print "%s: hardlink unbroken, assuming unchanged" % (origfile)
return
- (oldf,contents) = smartread(oldfile)
- oldsizesha1 = sizesha1_str(contents)
+ oldf = smartopen(oldfile)
+ oldsizesha1 = sizesha1(oldf)
# should probably early exit if either of these checks fail
# alternatively (optionally?) could just trim the patch history
if upd.filesizesha1:
if upd.filesizesha1 != oldsizesha1:
- print "warning: old file seems to have changed! %s %s => %s %s" % (upd.filesizesha1 + oldsizesha1)
-
- # XXX this should be usable now
- # stew: whatever this is, it won't be usable now that i removed smartopen
- #
- #for d in upd.history.keys():
- # df = smartopen("%s/%s" % (outdir,d))
- # act_sha1size = sizesha1(df)
- # df.close()
- # exp_sha1size = upd.history[d][1]
- # if act_sha1size != exp_sha1size:
- # print "patch file %s seems to have changed! %s %s => %s %s" % \
- # (d,) + exp_sha1size + act_sha1size
+ print "info: old file " + oldfile + " changed! %s %s => %s %s" % (upd.filesizesha1 + oldsizesha1)
if Options.has_key("CanonicalPath"): upd.can_path=Options["CanonicalPath"]
if newsizesha1 == oldsizesha1:
os.unlink(newfile)
-# oldf.close()
+ oldf.close()
print "%s: unchanged" % (origfile)
else:
- if not os.path.isdir(outdir): os.mkdir(outdir)
- os.popen("diff --ed %s %s | gzip -c -9 > %s.gz" %
- (oldf, newfile, difffile))
-# pipe_file(oldf, w)
-# oldf.close()
+ if not os.path.isdir(outdir):
+ os.mkdir(outdir)
+
+ w = os.popen("diff --ed - %s | gzip -c -9 > %s.gz" %
+ (newfile, difffile), "w")
+ pipe_file(oldf, w)
+ oldf.close()
- (oldf,contents) = smartread(difffile)
- difsizesha1 = sizesha1_str(contents)
+ difff = smartopen(difffile)
+ difsizesha1 = sizesha1(difff)
+ difff.close()
upd.history[patchname] = (oldsizesha1, difsizesha1)
upd.history_order.append(patchname)
def main():
- global Cnf, Options, Logger
+ global Cnf, Options, Logger, projectB
os.umask(0002)
if Options.has_key("RootDir"): Cnf["Dir::Root"] = Options["RootDir"]
+ projectB = pg.connect(Cnf["DB::Name"], Cnf["DB::Host"], int(Cnf["DB::Port"]))
+ database.init(Cnf, projectB)
+
if not suites:
suites = Cnf.SubTree("Suite").List()
print "Processing: " + suite
SuiteBlock = Cnf.SubTree("Suite::" + suite)
- if SuiteBlock.has_key("Untouchable"):
+ if database.get_suite_untouchable(suite):
print "Skipping: " + suite + " (untouchable)"
continue
suite = suite.lower()
- architectures = SuiteBlock.ValueList("Architectures")
+ architectures = database.get_suite_architectures(suite)
+ if architectures == None:
+ architectures = []
if SuiteBlock.has_key("Components"):
components = SuiteBlock.ValueList("Components")