#!/usr/bin/env python
# Copyright (C) 2003-2007 Artifex Software, Inc. All rights reserved.
#
# This software is provided AS-IS with no warranty, either express or
# implied.
#
# This software is distributed under license and may not be copied,
# modified or distributed except as expressly authorized under the terms
# of the license contained in the file LICENSE in this distribution.
#
# For more information about licensing, please refer to
# http://www.ghostscript.com/licensing/. For information on
# commercial licensing, go to http://www.artifex.com/licensing/ or
# contact Artifex Software, Inc., 101 Lucas Valley Road #110,
# San Rafael, CA 94903, U.S.A., +1(415)492-9861.
# $Id: split_changelog.py 9411 2009-01-27 20:43:33Z giles $
# script to generate the split Changes/Details html changelogs
# for Ghostscript from the output of 'svn log --xml'
import string, re
import xml.parsers.expat
import sys, codecs, os
def html_escape(string):
table = { '&': '&',
'"': '"',
'>': '>',
'<': '<'}
new = []
for char in string:
new.append(table.get(char,char))
return "".join(new)
class Entry:
'''a class representing a single changelog entry'''
data = {}
has_details = False
has_differences = False
r = re.compile('^[\[ ]*DETAILS[ :\]]*$', re.I)
c = re.compile('^[ ]*EXPECTED DIFFERENCES[ :]*$', re.I)
d = re.compile('^[ ]*DIFFERENCES[ :]*$', re.I)
codec = codecs.getencoder("utf8")
def reset(self):
self.data = {}
self.has_details = False
self.has_differences = False
def add(self, key, value):
if not self.data.has_key(key): self.data[key] = value
else: self.data[key] = string.join((self.data[key], value))
def listadd(self, key, value):
if not self.data.has_key(key): self.data[key] = [value]
else: self.data[key].append(value)
def addmsg(self, value):
if not self.data.has_key('msg'): self.data['msg'] = []
self.data['msg'].append(value)
if self.r.search(value): self.has_details = True
if self.c.search(value): self.has_differences = True
if self.d.search(value): self.has_differences = True
def write(self, file, details=True):
#stamp = self.data['date'] + ' ' + self.data['time']
stamp = self.data['date']
# construct the name anchor
label = ''
for c in stamp:
if c == ' ': c = '_'
if c == ':': continue
label = label + c
file.write('\n
')
file.write('')
file.write('\n')
if self.data['author'] in authors:
self.data['author'] = authors[self.data['author']]
file.write(stamp + ' ' + self.data['author'])
file.write('')
if not details and self.has_details:
file.write(' (details)')
file.write('
\n')
file.write('
\n')
file.write('
\n')
# todo: html-escape the msg lines
try:
for line in self.data['msg']:
# skip the details unless wanted
if not details and self.r.search(line): break
if self.c.search(line): break
if self.d.search(line): break
file.write(html_escape(line.encode('utf8')))
except KeyError:
line = '(empty)'
file.write(line.encode('utf8'))
file.write('
\n')
def write_header(file, details=True):
file.write('\n')
file.write('\n')
file.write('\n')
file.write('')
file.write('Ghostscript change history')
if details:
file.write(' (detailed)')
file.write('\n')
file.write('\n')
file.write('\n')
file.write('\n')
file.write('\n')
file.write('\n')
def write_footer(file, details=True):
file.write('\n')
file.write('\n')
# expat hander functions
def start_element(name, attrs):
#print 'Start element:', name, attrs
element.append(name)
if name == 'logentry': e = Entry()
def end_element(name):
#print 'End element:', name
element.pop()
if name == 'logentry':
e.write(details, True)
e.write(changes, False)
e.reset()
def char_data(data):
if element[-1] == 'msg':
# whitespace is meaningful inside the msg tag
# so treat it specially
e.addmsg(data)
elif element[-1] == 'name' or element[-1] == 'path':
# keep an ordered list of these elements
item = string.strip(data)
# hack off the prefix for mainline paths
if item[:10] == '/trunk/gs/': item = item[10:]
e.listadd(element[-1], item)
else:
data = string.strip(data)
if data:
#print 'Character data:', data
e.add(element[-1], data)
# global parsing state
element = []
e = Entry()
# create and hook up the expat instance
p = xml.parsers.expat.ParserCreate()
p.StartElementHandler = start_element
p.EndElementHandler = end_element
p.CharacterDataHandler = char_data
# open our files
if len(sys.argv) != 4:
print 'usage: convert the output of svn log -v --xml to html'
print sys.argv[0] + '