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VocalEasel/scripts/svn2log.py
Matthias Neeracher 4fb1f16149 Add svn2log tool
2007-05-09 06:15:03 +00:00

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11 KiB
Python
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#!/usr/bin/python
#
# Copyright (c) 2003 The University of Wroclaw.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the University may not be used to endorse or promote
# products derived from this software without specific prior
# written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
# NO EVENT SHALL THE UNIVERSITY BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# History:
#
# 2006-08-03 Przedsiebiorstwo Informatyczne CORE <biuro at core.com.pl>:
# * Following options were added:
# -s, --strip-comments strip /* ... */ comments in log
# -O, --only-date generate only dates (without time)
# -L, --no-files generate log without filenames
# -A, --no-author generate log without author names
# -H, --no-host generate author name without hostname
#
import sys
import os
import time
import re
import getopt
import string
import codecs
from xml.utils import qp_xml
kill_prefix_rx = None
default_domain = "localhost"
exclude = []
users = { }
reloc = { }
max_join_delta = 3 * 60
list_format = False
strip = False
date_only = False
no_files = False
no_host = False
no_author = False
date_rx = re.compile(r"^(\d+-\d+-\d+T\d+:\d+:\d+)")
def die(msg):
sys.stderr.write(msg + "\n")
sys.exit(1)
def attr(e, n):
return e.attrs[("", n)]
def has_child(e, n):
for c in e.children:
if c.name == n: return 1
return 0
def child(e, n):
for c in e.children:
if c.name == n: return c
die("<%s> doesn't have <%s> child" % (e.name, n))
def convert_path(n):
for src in reloc.keys():
n = string.replace(n, src, reloc[src])
if kill_prefix_rx != None:
if kill_prefix_rx.search(n):
n = kill_prefix_rx.sub("", n)
else:
return None
if n.startswith("/"): n = n[1:]
if n == "": n = "/"
for pref in exclude:
if n.startswith(pref):
return None
return n
def convert_user(u):
if no_author == False:
if users.has_key(u):
return users[u]
else:
if no_host:
return u + ":"
else:
return "%s <%s@%s>:" % (u, u, default_domain)
else:
return ''
def wrap_text_line(str, pref, width):
ret = u""
line = u""
first_line = True
for word in str.split():
if line == u"":
line = word
else:
if len(line + u" " + word) > width:
if first_line:
ret += line + u"\n"
first_line = False
line = word
else:
ret += pref + line + u"\n"
line = word
else:
line += u" " + word
if first_line:
ret += line + u"\n"
else:
ret += pref + line + u"\n"
return ret
def wrap_text(str, pref, width):
if not list_format:
return wrap_text_line(str,pref,width)
else:
items = re.split(r"\-\s+",str)
ret = wrap_text_line(items[0],pref,width)
for item in items[1:]:
ret += pref + u"- " + wrap_text_line(item,pref+" ",width)
return ret
class Entry:
def __init__(self, tm, rev, author, msg):
self.tm = tm
self.rev = rev
self.author = author
self.msg = msg
self.beg_tm = tm
self.beg_rev = rev
def join(self, other):
self.tm = other.tm
self.rev = other.rev
self.msg += other.msg
def dump(self, out):
if len(self.msg) > 0:
if date_only == False:
tformat = "%Y-%m-%d %H:%M +0000"
else:
tformat = "%Y-%m-%d"
if self.rev != self.beg_rev:
out.write("%s [r%s-%s] %s\n\n" % \
(time.strftime(tformat, time.localtime(self.beg_tm)), \
self.rev, self.beg_rev, convert_user(self.author)))
else:
out.write("%s [r%s] %s\n\n" % \
(time.strftime(tformat, time.localtime(self.beg_tm)), \
self.rev, convert_user(self.author)))
out.write(self.msg)
def can_join(self, other):
return self.author == other.author and abs(self.tm - other.tm) < max_join_delta
def process_entry(e):
rev = attr(e, "revision")
if has_child(e, "author"):
author = child(e, "author").textof()
else:
author = "anonymous"
m = date_rx.search(child(e, "date").textof())
msg = ' ' + child(e, "msg").textof()
if strip == True:
ibegin = string.find(msg, "/*")
if ibegin > 0:
iend = string.find(msg, "*/") + 2
msg = msg[0:ibegin] + msg[iend:]
if m:
tm = time.mktime(time.strptime(m.group(1), "%Y-%m-%dT%H:%M:%S"))
else:
die("evil date: %s" % child(e, "date").textof())
paths = []
if len(msg) > 1:
for path in child(e, "paths").children:
if path.name != "path": die("<paths> has non-<path> child")
nam = convert_path(path.textof())
if nam != None:
if attr(path, "action") == "D":
paths.append(nam + " (removed)")
elif attr(path, "action") == "A":
paths.append(nam + " (added)")
else:
paths.append(nam)
if paths != [] and no_files == False:
return Entry(tm, rev, author, "\t* %s\n" % wrap_text(", ".join(paths) + ": " + msg, "\t ", 65))
elif paths != [] and no_files == True:
return Entry(tm, rev, author, "\t* %s\n" % wrap_text(msg, "\t ", 65))
return None
def process(fin, fout):
parser = qp_xml.Parser()
root = parser.parse(fin)
if root.name != "log": die("root is not <log>")
cur = None
for logentry in root.children:
if logentry.name != "logentry": die("non <logentry> <log> child")
e = process_entry(logentry)
if e != None:
if cur != None:
if cur.can_join(e):
cur.join(e)
else:
cur.dump(fout)
cur = e
else: cur = e
if cur != None: cur.dump(fout)
def usage():
sys.stderr.write(\
"""Usage: %s [OPTIONS] [FILE]
Convert specified subversion xml logfile to GNU-style ChangeLog.
Options:
-p, --prefix=REGEXP set root directory of project (it will be striped off
from ChangeLog entries, paths outside it will be
ignored)
-x, --exclude=DIR exclude DIR from ChangeLog (relative to prefix)
-o, --output set output file (defaults to 'ChangeLog')
-d, --domain=DOMAIN set default domain for logins not listed in users file
-u, --users=FILE read logins from specified file
-F, --list-format format commit logs with enumerated change list (items
prefixed by '- ')
-r, --relocate=X=Y before doing any other operations on paths, replace
X with Y (useful for directory moves)
-D, --delta=SECS when log entries differ by less then SECS seconds and
have the same author -- they are merged, it defaults
to 180 seconds
-h, --help print this information
-s, --strip-comments strip /* ... */ comments in log
-O, --only-date generate only dates (without time)
-L, --no-files generate log without filenames
-A, --no-author generate log without author names
-H, --no-host generate author name without hostname
Users file is used to map svn logins to real names to appear in ChangeLog.
If login is not found in users file "login <login@domain>" is used.
Example users file:
john John X. Foo <jfoo@example.org>
mark Marcus Blah <mb@example.org>
Typical usage of this script is something like this:
svn log -v --xml | %s -p '/foo/(branches/[^/]+|trunk)' -u aux/users
Please send bug reports and comments to author:
Michal Moskal <malekith@pld-linux.org>
Regarding -s, -O, -L, -A, -H options see
http://www.core.com.pl/svn2log
""" % (sys.argv[0], sys.argv[0]))
def utf_open(name, mode):
return codecs.open(name, mode, encoding="utf-8", errors="replace")
def process_opts():
try:
opts, args = getopt.gnu_getopt(sys.argv[1:], "o:u:p:x:d:r:d:D:FhsOLHA",
["users=", "prefix=", "domain=", "delta=",
"exclude=", "help", "output=", "relocate=",
"list-format","strip-comments", "only-date", "no-files",
"no-host", "no-author"])
except getopt.GetoptError:
usage()
sys.exit(2)
fin = sys.stdin
fout = None
global kill_prefix_rx, exclude, users, default_domain, reloc, max_join_delta, list_format, strip, date_only, no_files, no_host, no_author
for o, a in opts:
if o in ("--prefix", "-p"):
kill_prefix_rx = re.compile("^" + a)
elif o in ("--exclude", "-x"):
exclude.append(a)
elif o in ("--help", "-h"):
usage()
sys.exit(0)
elif o in ("--output", "-o"):
fout = utf_open(a, "w")
elif o in ("--domain", "-d"):
default_domain = a
elif o in ("--strip-comments", "-s"):
strip = True
elif o in ("--only-date", "-O"):
date_only = True
elif o in ("--no-files", "-L"):
no_files = True
elif o in ("--no-host", "-H"):
no_host = True
elif o in ("--no-author", "-A"):
no_author = True
elif o in ("--users", "-u"):
f = utf_open(a, "r")
for line in f.xreadlines():
w = line.split()
if len(line) < 1 or line[0] == '#' or len(w) < 2:
continue
users[w[0]] = " ".join(w[1:])
elif o in ("--relocate", "-r"):
(src, target) = a.split("=")
reloc[src] = target
elif o in ("--delta", "-D"):
max_join_delta = int(a)
elif o in ("--list-format", "-F"):
list_format = True
else:
usage()
sys.exit(2)
if len(args) > 1:
usage()
sys.exit(2)
if len(args) == 1:
fin = open(args[0], "r")
if fout == None:
fout = utf_open("ChangeLog", "w")
process(fin, fout)
if __name__ == "__main__":
os.environ['TZ'] = 'UTC'
try:
time.tzset()
except AttributeError:
pass
process_opts()
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