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#!/usr/bin/python
# Output like:
# setuptools-0.6_rc9.ebuild
# < KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~sparc-fbsd -x86 ~x86-fbsd"
# ---
# > KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~sparc-fbsd x86 ~x86-fbsd"
from __future__ import with_statement
from sys import argv
from fnmatch import fnmatch
from shutil import copyfile
import re
STABLE_KEYWORDS = frozenset((
'alpha',
'amd64',
'amd64-fbsd',
'arm',
'hppa',
'ia64',
'mips',
'm68k',
'ppc',
'ppc-macos',
'ppc64',
's390',
'sparc',
'sparc-fbsd',
'sh',
'x86',
'x86-fbsd',
))
TEST_KEYWORDS = frozenset(['~'+k for k in STABLE_KEYWORDS])
KNOWN_KEYWORDS = STABLE_KEYWORDS | TEST_KEYWORDS
kw_re = re.compile(r'KEYWORDS="([^"]*)"')
ebuilds = set([x for x in argv[1:] if fnmatch(x, '*.ebuild')])
pretend = not bool(set(('-p', '--pretend',)) - set(argv))
keywords = frozenset(argv[1:]) - ebuilds - set(('-p', '--pretend'))
if not ebuilds:
print 'usage: ekeyword [-p|--pretend] [~] [[~|-]arch [[~|-]arch]...] ebuild [ebuild...]'
for e in ebuilds:
# TODO: error handling for file I/O
kw = set(keywords)
if not pretend:
try:
copyfile(e, e+'.orig')
except IOError:
print "Can't copy file %s. Check permissions." % e
exit(1)
try:
with open(e) as c:
ebuild = c.read()
except IOError:
print "Can't open file %s. Aborting." % e
exit(1)
orig = kw_re.search(ebuild)
curkw = set(orig.groups()[0].split())
if '~' in kw:
kw.remove('~')
curkw = set(['~'+k if k in STABLE_KEYWORDS else k for k in curkw])
for k in kw:
if k[0] == '-':
curkw -= set(('~'+k[1:], k[1:],))
elif k[0] == '~':
curkw -= set((k[1:],))
curkw |= set((k,))
else:
curkw -= set(('~'+k,))
curkw |= set((k,))
result = 'KEYWORDS="%s"' % ' '.join(sorted(curkw))
if not pretend:
try:
with open(e, 'w') as rebuild:
rebuild.write(kw_re.sub(result, ebuild))
except IOError:
print "Can't write file %s. Aborting." % e
exit(1)
unknown_keywords = curkw - KNOWN_KEYWORDS
if unknown_keywords:
print "\nWarning: Unknown keywords '%s'.\n" % ', '.join(sorted(unknown_keywords))
print '<<< %s' % orig.group()
print '>>> %s' % result
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