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#!/usr/bin/env python
# Copyright (C) 2001-2019 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.
#
# Refer to licensing information at http://www.artifex.com or contact
# Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
# CA 94945, U.S.A., +1(415)492-9861, for further information.
#
# 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<p><strong>')
file.write('<a name="' + label + '">')
file.write('</a>\n')
if self.data['author'] in authors:
self.data['author'] = authors[self.data['author']]
file.write(stamp + ' ' + self.data['author'])
file.write('</strong>')
if not details and self.has_details:
file.write(' (<a href="' + details_fn + '#' + label + '">details</a>)')
file.write('</p>\n')
file.write('<blockquote>\n')
file.write('<pre>\n')
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('</pre>\n')
file.write('<p>[')
#file.write(string.join(map(string.join, zip(self.data['name'],self.data['revision'])),', '))
#file.write(string.join(self.data['name']))
file.write(string.join(self.data['path']))
file.write(']</p>\n')
file.write('</blockquote>\n')
def write_header(file, details=True):
file.write('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"')
file.write(' "http://www.w3.org/TR/html4/strict.dtd">\n')
file.write('<html>\n')
file.write('<head>\n')
file.write('<meta http-equiv="content-type" content="text/html; charset=utf-8">\n')
file.write('<title>')
file.write('Ghostscript change history')
if details:
file.write(' (detailed)')
file.write('</title>\n')
file.write('<!-- generated by split_changelog.py from the output of cvs2cl.pl -->\n')
file.write('<!-- $' 'Id$ -->\n')
file.write('<link rel=stylesheet type="text/css" href="gs.css">\n')
file.write('</head>\n')
file.write('<body>\n')
def write_footer(file, details=True):
file.write('</body>\n')
file.write('</html>\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] + ' <input xml> <output abbr> <output detailed>'
sys.exit(2)
input = file(sys.argv[1], "r")
changes_fn = sys.argv[2]
details_fn = sys.argv[3]
changes = file(changes_fn, "wb")
details = file(details_fn, "wb")
# Try to parse out authors map
authors = {}
if os.path.exists('AUTHORS'):
try:
a = open('AUTHORS', 'r')
for line in a.readlines():
b = line.split(':')
authors[b[0].strip()] = b[1].strip()
except:
print "Error loading AUTHORS dictionary."
# read the input xml and write the output html
write_header(changes, False)
write_header(details, True)
while 1:
line = input.readline()
if line == '': break
p.Parse(line)
input.close()
write_footer(changes, False)
write_footer(details, True)
# finished
changes.close()
details.close()
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