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#!/usr/bin/python
# vim: fileencoding=utf8 foldmethod=marker
# {{{ License header: GPLv2+
# This file is part of cnucnu.
#
# Cnucnu 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.
#
# Cnucnu 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 cnucnu. If not, see <http://www.gnu.org/licenses/>.
# }}}
import pprint as pprint_module
pp = pprint_module.PrettyPrinter(indent=4)
pprint = pp.pprint
def get_html(url):
if url.startswith("ftp://"):
import urllib
req = urllib.urlopen(url)
return req.read()
else:
import pycurl
import StringIO
c = pycurl.Curl()
c.setopt(pycurl.URL, url.encode("ascii"))
res = StringIO.StringIO()
c.setopt(pycurl.WRITEFUNCTION, res.write)
c.setopt(pycurl.FOLLOWLOCATION, 1)
c.setopt(pycurl.MAXREDIRS, 10)
c.perform()
c.close()
data = res.getvalue()
res.close()
return data
def rpm_cmp(v1, v2):
import rpm
diff = rpm.labelCompare((None, v1, None), (None, v2, None))
return diff
def rpm_max(list):
list.sort(cmp=rpm_cmp)
return list[-1]
def upstream_cmp(v1, v2):
import rpm
v1, rc1 = split_rc(v1)
v2, rc2 = split_rc(v2)
diff = rpm_cmp(v1, v2)
# base versions are the same, check for rc-status
if diff == 0:
# both are rc, higher rc is newer
if rc1 and rc2:
return cmp(rc1, rc2)
# only first is rc, then second is newer
elif rc1:
return -1
# only second is rc, then first is newer
elif rc2:
return 1
# none is rc, both are the same
else:
return 0
# base versions are different, ignore rc-status
else:
return diff
def split_rc(version):
import re
RC = re.compile("([^-rp]*)(-?(([Rr][Cc]|[Pp][Rr][Ee])[0-9]))?")
match = RC.match(version)
v = match.groups()[0]
rc = match.groups()[2]
if rc:
return (v, rc)
else:
return (v, "")
def get_rc(release):
import re
RC = re.compile(r'0\.[0-9]*\.(([Rr][Cc]|[Pp][Rr][Ee])[0-9])')
match = RC.match(release)
if match:
rc = match.groups()[0]
return rc
else:
return ""
def upstream_max(list):
list.sort(cmp=upstream_cmp)
return list[-1]
def cmp_upstream_repo(upstream_v, repo_vr):
repo_rc = get_rc(repo_vr[1])
repo_version = "%s%s" % (repo_vr[0], repo_rc)
return upstream_cmp(upstream_v, repo_version)
""" return a dict that only contains keys that are in key_list
"""
def filter_dict(d, key_list):
return dict([v for v in d.items() if v[0] in key_list])
def secure_download(url, cainfo=""):
import pycurl
import StringIO
c = pycurl.Curl()
c.setopt(pycurl.URL, url.encode("ascii"))
# -k / --insecure
# c.setopt(pycurl.SSL_VERIFYPEER, 0)
# Verify certificate
c.setopt(pycurl.SSL_VERIFYPEER, 1)
# Verify CommonName or Subject Alternate Name
c.setopt(pycurl.SSL_VERIFYHOST, 2)
# --cacert
if cainfo:
c.setopt(pycurl.CAINFO, cainfo)
res = StringIO.StringIO()
c.setopt(pycurl.WRITEFUNCTION, res.write)
# follow up to 10 http location: headers
c.setopt(pycurl.FOLLOWLOCATION, 1)
c.setopt(pycurl.MAXREDIRS, 10)
c.perform()
c.close()
data = res.getvalue()
res.close()
return data
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