#!/usr/bin/python -tt
# Author: Toshio Kuratomi
# Date: June 14, 2007
'''
Merge Fedora Extras and Fedora Core packages in owners.list so we end up with
one set of packages for one Product, Fedora.
'''

import sys

#OWNERS='/home/fedora/toshio/owners/owners.list'
try:
    OWNERS=sys.argv[1]
except IndexError:
    print '''owners-merge.py owners.list > newowners.list

This script merges the Fedora Core and Fedora Extras products in owners.list
into a single product called Fedora.

Give the present owners.list file as the only argument to the script.
Redirect stdout to the new owners.list file you are creating.
'''
    sys.exit(1)

class Package(object):
    def __init__(self, product, component, description, owners, qacontact,
            cclist):
        self.product = product or 'Fedora'
        self.component = component
        self.description = description
        self.owners = owners or []
        self.qacontact = qacontact
        self.cclist = cclist or []

class Packages(dict):
    '''It's the hash that acts like an array.'''
    def __setitem__(self, key, value):
        if key:
            raise KeyError, 'Packages can only set a null key'
        # Parse the value into pieces
        t = value.split('|', 6)
        product, component, desc, owners, qa, cc = value.split('|', 6)
        ownerList = owners.split(',')
        ccList = None
        cc = cc.strip()
        if cc:
            ccList = cc.split(',')

        if owners == 'extras-orphan@fedoraproject.org':
            ownerList = None
        if self.has_key(component):
            # Merge the pieces into an existing Package
            oldPackage = super(Packages, self).__getitem__(component)
            if product == 'Fedora Core':
                # Take precedence
                if ownerList:
                    if oldPackage.owners:
                        for maintainer in oldPackage.owners:
                            if maintainer not in ownerList:
                                ownerList.append(maintainer)
                        oldPackage.owners = ownerList
                    else:
                        oldPackage.owners = ownerList
                if ccList:
                    if oldPackage.cclist:
                        for watcher in oldPackage.cclist:
                            if watcher not in ccList:
                                ccList.append(watcher)
                        oldPackage.cclist = ccList
                    else:
                        oldPackage.cclist = ccList
            else:
                # Append
                if ownerList:
                    if oldPackage.owners:
                        for maintainer in ownerList:
                            if maintainer not in oldPackage.owners:
                                oldPackage.owners.append(maintainer)
                    else:
                        oldPackage.owners = ownerList
                if ccList:
                    if oldPackage.cclist:
                        for watcher in ccList:
                            if watcher not in oldPackage.cclist:
                                oldPackage.cclist.append(ccList)
                    else:
                        oldPackage.cclist = ccList
                
        else:
            # Create a new Package
            newPackage = Package('Fedora', component, desc, ownerList, qa,
                    ccList)
            super(Packages, self).__setitem__(component, newPackage)

    def __getitem__(self, key):
        # Retrieve a string for the Package
        pkg = super(Packages, self).__getitem__(key)
        if not pkg.owners:
            owners = 'extras-orphan@fedoraproject.org'
        else:
            owners = ','.join(pkg.owners)
        cclist = ','.join(pkg.cclist)
        return '%s|%s|%s|%s|%s|%s' % (pkg.product, pkg.component,
                pkg.description, owners, pkg.qacontact, cclist)

if __name__ == '__main__':
    output = []
    owners = file(OWNERS, 'r')
    packages = Packages()
    for line in owners:
        if line.strip().startswith('#'):
            output.append(line.rstrip())
            continue
        packages[None] = line
    pkgList = packages.keys()
    pkgList.sort()

    print '\n'.join(output)
    for pkg in pkgList:
        print packages[pkg]

    sys.exit(0)