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path: root/release.py
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#!/usr/bin/env python

import os
import re
import urllib
import csv
import datetime
from string import Template

prev_tag = 'EMPATHY_0_21_4'
username = 'xclaesse'
upload_server = 'master.gnome.org'
template = '''\
$name $version is now available for download from:
$download

$md5sums

What is it?
===========
$about

You can visit the project web site:
$website

What's New?
===========
$news

$footer'''

class Commit:
    ref = ''
    author = ''
    date = ''
    message = ''
    bug = ''
    summary = ''
    translation = False

    def parse(self):
        if self.message[len(self.message) - 1] == ')':
            p1 = self.message.rfind('(')
            self.author = self.message[p1+1:len(self.message) - 1]
            self.message = self.message[:p1]

        p1 = self.message.find('#')
        p2 = self.message.find(' ', p1)
        if p1 != -1:
            self.bug = self.message[p1+1:p2]

        message = self.message.lower()
        if message.find('translation') != -1 and\
           message.find('updated') != -1:
            self.translation = True
            exp = '.*pdated(?P<name>.*).ranslation.*'
            lang_re = re.compile(exp, re.S | re.M)
                    match = lang_re.match(self.message)
            if match:
                lang = match.group('name').strip()              
                self.summary = "Updated " + lang + " Translation"
            else:
                self.summary = self.message
            self.summary += ' (' + self.author + ').'

        return self.bug

class Project:
    def __init__(self):
        f = open('config.h', 'r')
        s = f.read()
        f.close()

        key = {}
        key['package'] = '#define PACKAGE_NAME "'
        key['version'] = '#define PACKAGE_VERSION "'
        key['bugreport'] = '#define PACKAGE_BUGREPORT "'

        for line in s.splitlines(1):
            if line.startswith(key['package']):
                p1 = len(key['package'])
                p2 = line.rfind('"')
                self.package_name = line[p1:p2]         
            elif line.startswith(key['version']):
                p1 = len(key['version'])
                p2 = line.rfind('"')
                self.package_version = line[p1:p2]      
            elif line.startswith(key['bugreport']):
                p2 = line.rfind('"')
                p1 = line.rfind('=') + 1
                self.package_module = line[p1:p2]       

        first = self.package_version.find('.')
        second = self.package_version.find('.', first + 1)
        if first == -1 or second == -1 or first == second:
            version_dir = self.package_version
        else:
            version_dir = self.package_version[:second]
        self.package_dl_url = 'http://download.gnome.org/sources/%s/%s/' % (self.package_name.lower(), 
                                            version_dir)
    def exec_cmd(self,cmd):
        return os.popen(cmd).read()

    def get_news(self):
        f = open ('NEWS', 'r')
        s = f.read()
        f.close()
        start = s.find ('NEW in '+ self.package_version)
        if start != -1:
            start = s.find ('\n', start) + 1
            start = s.find ('\n', start) + 1
                end = s.find ('NEW in', start) - 1
                return s[start:end].strip()

    def get_md5sums(self):
        md5sums = ''

        cmd = 'md5sum %s-%s.tar.gz' % (self.package_name.lower(), self.package_version)
        md5sums += self.exec_cmd(cmd)

        cmd = 'md5sum %s-%s.tar.bz2' % (self.package_name.lower(), self.package_version)
        md5sums += self.exec_cmd(cmd).strip()

        return md5sums

    def get_bugzilla_info(self):
        query = 'http://bugzilla.gnome.org/browse.cgi?product=%s' % (self.package_module)
        f = urllib.urlopen(query)
        s = f.read()
        f.close()

        s1 = '<p><i>'
        i = s.find(s1)
        start = i + len(s1)
        s2 = '</i></p>'
        end = s.find(s2, i + 1)
        description = s[start:end]

        s1 = "GNOME SVN"
        i = s.find(s1)
        s1 = "href"
        i = s.find(s1, i)        
        start = i + 6
        s2 = '">'
        end = s.find(s2, start)
        project_url = s[start:end]

        return (description, project_url)

    def get_release_notes(self):
        name = self.package_name
        version = self.package_version
        download = self.package_dl_url
        md5sums = self.get_md5sums()
        (about, website) = self.get_bugzilla_info()
        news = self.get_news()
        footer = '%s\n%s team' % (datetime.date.today().strftime('%d %B %Y'),\
                      self.package_name)

        t = Template(template)
        return t.substitute(locals())
    
    def get_commits(self):
        bugs = ''
        co = None
        commits = []

        changes = self.exec_cmd ("git-log " + prev_tag + "..")
            for line in changes.splitlines(1):
                if line.startswith('commit'):
                    if co != None:
                        bug = co.parse()
                        if bug:
                            if bugs != '':
                                bugs += ','
                            bugs += bug

                    co = Commit()
                    commits.append(co)
                p1 = line.find(' ')
                co.ref = line[p1:].strip()
                elif line.startswith('Author:'):
                    p1 = line.find(' ')
                    p2 = line.find('<')
                    co.author = line[p1:p2].strip()
                elif line.startswith('Date:'):
                    p1 = line.find(' ')
                    co.date = line[p1:].strip()
                elif line.startswith('    git-svn-id:'):
                    continue
                elif line.startswith('Merge:'):
                    continue
                else:
                msg = line.strip()
                if msg == '':
                    continue
                if msg.startswith('*'):
                    p1 = msg.find(':')
                    msg = msg[p1 + 1:].strip()
                elif msg.startswith('2007-') or msg.startswith('2008-'):
                    continue
                if co.message != '':
                    co.message += '\n'
                co.message += msg

        # Bugzilla query to use
        query = 'http://bugzilla.gnome.org/buglist.cgi?ctype=csv' \
            '&bug_status=RESOLVED,CLOSED,VERIFIED' \
            '&resolution=FIXED' \
            '&bug_id=' + bugs.replace(',', '%2c')

        f = urllib.urlopen(query)
        s = f.read()
        f.close()

        col_bug_id = -1
        col_description = -1

        reader = csv.reader(s.splitlines(1))
        header = reader.next()
        i = 0

        for col in header:
            if col == 'bug_id':
                col_bug_id = i
            if col == 'short_short_desc':
                col_description = i
            i = i + 1

        for row in reader:
            bug_number = row[col_bug_id]
            description = row[col_description]

            for co in commits:
                if co.bug == bug_number:
                    co.summary = 'Fixed #%s, %s (%s)' % (co.bug, description, co.author)
                    break
        return commits

    def make_tag(self):
        new_tag = self.package_name.upper() + '_' +\
              self.package_version.replace('.', '_')

        url1 = self.exec_cmd('git-config svn-remote.svn.url').strip()
        url2 = url1[:url1.rfind('/')] + '/tags/' + new_tag
        self.exec_cmd('svn copy %s %s -m "Tagged for release %s."' % (url1, url2, self.package_version))

        self.exec_cmd('git-tag -m "Tagged for release %s." %s' % ( self.package_version, new_tag))

    def write_news(self):
        bugs = ''
        translations = ''
        others = ''
        commits = self.get_commits()
        for co in commits:
            if co.summary == '':
                others += '- ' + co.message + '\n'
            elif co.translation == False:
                bugs += '- ' + co.summary + '\n'
            else :
                translations += '- ' + co.summary + '\n'
                
        news = 'NEW in '+ self.package_version + '\n==============\n' 
        news += others + '\nBugs fixed:\n' + bugs + '\nTranslations:\n' + translations + '\n'

        f = open ('/tmp/NEWS', 'w')
        s = f.write(news)
        f.close()

        self.exec_cmd('cat NEWS >> /tmp/NEWS')
        self.exec_cmd('mv /tmp/NEWS .')

    def upload_tarball(self):
        tarball = '%s-%s.tar.gz' % (self.package_name.lower(), self.package_version)
                
        cmd = 'scp %s %s@%s:' % (tarball, username, upload_server)
        self.exec_cmd(cmd)
                
        cmd = 'ssh %s@%s install-module -u %s' % (username, upload_server, tarball)
        self.exec_cmd(cmd)

    def release(self):
        self.make_tag()
        self.upload_tarball()
        print self.get_release_notes()


project = Project()
print project.get_release_notes()