josch/gen2deb
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josch 2012-10-09 09:19:01 +02:00
parent 70659ae66b
commit 4bee037807
1 changed files with 11 additions and 3 deletions
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14
find_reduced.py
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@ -43,6 +43,7 @@ def flatten(l):
l[0:1] = l[0]
if l: yield l.pop(0)
# read mapping between Gentoo and Debian packages
deb2gen = dict()
gen2deb = dict()
with open("./deb2gen_mapping.list") as f:
@ -104,7 +105,8 @@ before = datetime.now()
debian_deps = dict()
missing_gen_mappings = list()
# look for reduced build dependencies
# look for reduced build dependencies of gentoo packages by extracting all
# dependencies that need a USE flag to be set
for i, (cat, pkg, ver, rev) in enumerate(pkgnames):
if rev == "r0":
pkgname = "%s/%s-%s"%(cat, pkg, ver)
@ -119,7 +121,7 @@ for i, (cat, pkg, ver, rev) in enumerate(pkgnames):
no_use = use_reduce(depend, matchnone=True)
l = list()
for a in all_use:
# filter out all dependencies that are also present without USE flags enabled
# filter out all dependencies that are also present when USE flags are disabled
if a in no_use:
continue
@ -163,6 +165,8 @@ missing_deb_mappings = list()
src2bin = dict()
src_deps = dict()
# get the actual Debian build dependencies for all interesting packages from a
# Sources file
for pkg in apt_pkg.TagFile(sys.argv[1]):
p = pkg['Package']
try:
@ -172,7 +176,11 @@ for pkg in apt_pkg.TagFile(sys.argv[1]):
src_deps[p] = []
src2bin[p] = [b.strip() for b in pkg['Binary'].split(',')]
# process all debian source packages
all_droppable = list()
# process all debian source packages and output those build dependencies that
# build from a source package which is not needed by the corresponding Gentoo
# package
for d in debian_names:
# find gentoo package name
g = deb2gen.get(d)