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#!/usr/bin/env python
import re
import requests
import sys
import getpass
import pkgdb2client
import subprocess
#PAGE_URL = 'https://fedoraproject.org/w/api.php?format=json&action=query&rvprop=content&prop=revisions&titles=User:Codeblock/RequestsSANDBOX'
PAGE_URL = 'https://fedoraproject.org/w/api.php?format=json&action=query&rvprop=content&prop=revisions&titles=EPEL/epel7/Requests'
NEW_EPEL_VERSION = '7'
NEW_EPEL_SOURCE_BRANCH = 'f19'
RHEL_PKGS_PATH = '/var/lib/rhel/rhel' + NEW_EPEL_VERSION
MKBRANCH = '/usr/share/dist-git/mkbranch'
# parse_page :: String -> IO (Map String String)
# This returns a dictionary of {"pkg_name": "branch"}
def parse_page(url):
r = requests.get(url).json()
text = r['query']['pages'][r['query']['pages'].keys()[0]]['revisions'][0]['*']
lines = text.split("\n")
pkgs = filter(lambda y: y.startswith('| '), lines)
__pkgs_list__ = map(lambda y: ''.join(y.split())[1:].split('||'), pkgs)
pkgs_list = filter(lambda y: y[0] != 'foo', __pkgs_list__)
pkgs_dict = dict(pkgs_list)
return pkgs_dict
# is_in_rhel :: String -> IO Bool
def is_in_rhel(pkg):
with open(RHEL_PKGS_PATH) as f:
pkgs = map(lambda x: x.strip(), f.readlines())
return (pkg in pkgs)
# These tuples will be used to substitute one pattern for another.
# Every transform will be run on every branch name so be sure the
# pattern cannot match if you don't want it to be triggered.
transforms = (
(re.compile(r'^devel$'), 'master'),
(re.compile(r'-'), ''),
(re.compile(r'^fc([0-9])'), r'f\1'),
(re.compile(r'^epel([456])$'), r'el\1'),
(re.compile(r'^el([789]|[1-9][0-9])'), r'epel\1'),
)
branch_replacements = {'devel': (re.compile(r'^devel$'), 'master'),}
# generate_collection_cache :: PkgDB -> IO [String]
def generate_collection_cache(pkgdb):
raw_collections = pkgdb.get_collections(clt_status=(
'Active',
'Under Development'))
collection_cache = frozenset(map(lambda y: y['branchname'],
raw_collections['collections']))
return collection_cache
# normalize_branch :: [String] -> String -> IO (Option String)
def normalize_branch(collection_cache, branch):
# I originally had this implemented as a foldRight (which it really is).
# But Python doesn't eliminate tail calls. It probably would have been fine
# because "transforms" above is only 5 elements, but instead I will deal
# with the local mutation and wish that I had a type system to reason with.
# -rbe
norm_branch = branch.lower()
for transform in transforms:
norm_branch = re.sub(transform[0], transform[1], norm_branch)
# Ugh, here we break purity. Where is the option type when you need it?
if not (norm_branch in collection_cache):
print('Unknown collection specified: {0}'.format(branch))
return None
return norm_branch
# process_package :: PkgDB -> String -> String -> IO Bool
def process_package(pkgdb, pkg, src, dest):
print "*** Processing package: " + pkg
data = pkgdb.get_package(pkg)
pkg_list = data['packages']
maybe_source = [branch for branch in pkg_list if branch['collection']['branchname'] == src]
maybe_dest = [branch for branch in pkg_list if branch['collection']['branchname'] == dest]
if len(maybe_source) == 0:
print "Source branch `" + src + "' not found. Please "\
"branch " + pkg + " manually."
return False
if len(maybe_dest) != 0:
print "Package `" + pkg + "' was already branched for `" + dest + "'."\
" Not overwriting branch."
return False
if 'acls' not in maybe_source[0].keys():
print "No 'acls' key given to us by pkgdb. Cloning ACLs from a "\
"branch that has no ACLs due to retirement/orphan?"
return False
acls = [
acl
for acl in maybe_source[0]['acls']
if acl['fas_name'] != 'group::provenpackager'
]
for acl in acls:
pkgdb.update_acl(pkg, dest, acl['acl'], acl['status'], acl['fas_name'])
pkgdb.update_package_poc(pkg, dest, maybe_source[0]['point_of_contact'])
return True
# main :: [String] -> IO Unit
def main(args):
new_epel_requests = "epel" + NEW_EPEL_VERSION + "-requests"
if len(args) < 1 or (len(args) < 3 and args[0] != new_epel_requests) or\
len(args) > 3 or (len(args) > 1 and args[0] == new_epel_requests):
print "Usage: pkgdb2-clone " + new_epel_requests
print " - OR -"
print " pkgdb2-clone <source branch> <dest branch> <pkgs ...>"
sys.exit(1)
pkgdb = pkgdb2client.PkgDB()
username = raw_input('Username: ')
password = getpass.getpass()
pkgdb.login(username, password, True)
collection_cache = generate_collection_cache(pkgdb)
if args[0] == new_epel_requests:
pkgs = parse_page(PAGE_URL)
for key in pkgs:
if is_in_rhel(key):
continue
src_branchname = normalize_branch(collection_cache, pkgs[key])
dest_branchname = normalize_branch(collection_cache,
'epel' + NEW_EPEL_VERSION)
if not src_branchname or not dest_branchname:
print "[" + key + "] Invalid source or destination branch "\
"name, " + src_branchname + " -> " + dest_branchname
else:
if process_package(pkgdb, key, src_branchname, dest_branchname):
subprocess.call([MKBRANCH,
"-s",
NEW_EPEL_SOURCE_BRANCH,
"epel" + NEW_EPEL_VERSION,
key])
print "[" + key + "] \033[1m\033[32mSUCCESS\033[0m"
else:
print "[" + key + "] \033[1m\033[31mERROR\033[0m"
print "Done."
else:
src_branchname = normalize_branch(collection_cache, args[0])
dest_branchname = normalize_branch(collection_cache, args[1])
if not src_branchname or not dest_branchname:
print "[" + key + "] Invalid source or destination branch "\
"name, " + src_branchname + " -> " + dest_branchname
for pkg in args[2:]:
if process_package(pkgdb, key, src_branchname, dest_branchname):
print "[" + key + "] \033[1m\033[32mSUCCESS\033[0m"
else:
print "[" + key + "] \033[1m\033[31mERROR\033[0m"
if __name__ == '__main__':
main(sys.argv[1:])
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