#!/usr/bin/env python
#
# hgweb.py - 0.2 - 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
# - web interface to a mercurial repository
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
# useful for debugging
import cgitb
cgitb.enable()
import os, cgi, time, re, difflib, sys, zlib
from mercurial import hg, mdiff
def nl2br(text):
return re.sub('\n', '<br />', text)
def obfuscate(text):
l = []
for c in text:
l.append('&#%d;' % ord(c))
return ''.join(l)
def httphdr(type):
print 'Content-type: %s\n' % type
class page:
def __init__(self, type="text/html", title="Mercurial Web",
charset="ISO-8859-1"):
print 'Content-type: %s; charset=%s\n' % (type, charset)
print '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">'
print '<HTML>'
print '<!-- created by hgweb 0.1 - jake@edge2.net -->'
print '<HEAD><TITLE>%s</TITLE>' % title
print '<style type="text/css">'
print 'body { font-family: sans-serif; font-size: 12px; }'
print 'table { font-size: 12px; }'
print '.errmsg { font-size: 200%; color: red; }'
print '.filename { font-size: 150%; color: purple; }'
print '.manifest { font-size: 150%; color: purple; }'
print '.filehist { font-size: 150%; color: purple; }'
print '.plusline { color: green; }'
print '.minusline { color: red; }'
print '.atline { color: purple; }'
print '</style>'
print '</HEAD>'
print '<BODY>'
def endpage(self):
print '</BODY>'
print '</HTML>'
def show_diff(self, a, b, fn):
a = a.splitlines(1)
b = b.splitlines(1)
l = difflib.unified_diff(a, b, fn, fn)
print '<pre>'
for line in l:
line = cgi.escape(line[:-1])
if line.startswith('+'):
print '<span class="plusline">%s</span>' % (line, )
elif line.startswith('-'):
print '<span class="minusline">%s</span>' % (line, )
elif line.startswith('@'):
print '<span class="atline">%s</span>' % (line, )
else:
print line
print '</pre>'
class errpage(page):
def __init__(self):
page.__init__(self, title="Mercurial Web Error Page")
class change_list(page):
numchanges = 50 # number of changes to show
def __init__(self, repo, reponame):
page.__init__(self)
self.repo = repo
print '<h3>Changes For: %s</h3>' % reponame
def content(self, hi=None):
cl = []
count = self.repo.changelog.count()
if not hi:
hi = count
elif hi < self.numchanges:
hi = self.numchanges
start = 0
if hi - self.numchanges >= 0:
start = hi - self.numchanges
nav = "Displaying Revisions: %d-%d" % (start, hi-1)
if start != 0:
nav = ('<a href="?cmd=changes;hi=%d">Previous %d</a> ' \
% (start, self.numchanges)) + nav
if hi != count:
if hi + self.numchanges <= count:
nav += ' <a href="?cmd=changes;hi=%d">Next %d</a>' \
% (hi + self.numchanges, self.numchanges)
else:
nav += ' <a href="?cmd=changes">Next %d</a>' % \
self.numchanges
print '<center>%s</center>' % nav
for i in xrange(start, hi):
n = self.repo.changelog.node(i)
cl.append((n, self.repo.changelog.read(n)))
cl.reverse()
print '<table summary="" width="100%" align="center">'
for n, ch in cl:
print '<tr><td>'
self.change_table(n, ch)
print '</td></tr>'
print '</table>'
print '<center>%s</center>' % nav
def change_table(self, nodeid, changes):
hn = hg.hex(nodeid)
i = self.repo.changelog.rev(nodeid)
(h1, h2) = [ hg.hex(x) for x in self.repo.changelog.parents(nodeid) ]
datestr = time.asctime(time.gmtime(float(changes[2].split(' ')[0])))
print '<table summary="" width="100%" border="1">'
print '\t<tr><td valign="top" width="10%">author:</td>' + \
'<td valign="top" width="20%%">%s</td>' % \
(obfuscate(changes[1]), )
print '\t\t<td valign="top" width="10%">description:</td>' + \
'<td width="60%">' + \
'<a href="?cmd=chkin;nd=%s">%s</a></td></tr>' % \
(hn, nl2br(cgi.escape(changes[4])), )
print '\t<tr><td>date:</td><td>%s UTC</td>' % (datestr, )
print '\t\t<td valign="top">files:</td><td valign="top">'
for f in changes[3]:
print '\t\t<a href="?cmd=file;cs=%s;fn=%s">%s</a> ' % \
(hn, f, cgi.escape(f), )
print '\t</td></tr>'
print '\t<tr><td>revision:</td><td colspan="3">%d:<a ' % (i, ) + \
'href="?cmd=chkin;nd=%s">%s</a></td></tr>' % (hn, hn, )
print '</table><br />'
class checkin(page):
def __init__(self, repo, nodestr):
page.__init__(self)
self.repo = repo
self.node = hg.bin(nodestr)
self.nodestr = nodestr
print '<h3>Checkin: %s</h3>' % nodestr
def content(self):
changes = self.repo.changelog.read(self.node)
i = self.repo.changelog.rev(self.node)
parents = self.repo.changelog.parents(self.node)
(h1, h2) = [ hg.hex(x) for x in parents ]
(i1, i2) = [ self.repo.changelog.rev(x) for x in parents ]
datestr = time.asctime(time.gmtime(float(changes[2].split(' ')[0])))
mf = self.repo.manifest.read(changes[0])
print '<table summary="" width="100%" border="1">'
print '\t<tr><td>revision:</td><td colspan="3">%d:' % (i, ),
print '<a href="?cmd=chkin;nd=%s">%s</a></td></tr>' % \
(self.nodestr, self.nodestr, )
print '\t<tr><td>parent(s):</td><td colspan="3">%d:' % (i1, )
print '<a href="?cmd=chkin;nd=%s">%s</a>' % (h1, h1, ),
if i2 != -1:
print ' %d:<a href="?cmd=chkin;nd=%s">%s</a>' % \
(i2, h2, h2, ),
else:
print ' %d:%s' % (i2, h2, ),
print '</td></tr>'
print '\t<tr><td>manifest:</td><td colspan="3">%d:' % \
(self.repo.manifest.rev(changes[0]), ),
print '<a href="?cmd=mf;nd=%s">%s</a></td></tr>' % \
(hg.hex(changes[0]), hg.hex(changes[0]), )
print '\t<tr><td valign="top" width="10%">author:</td>' + \
'<td valign="top" width="20%%">%s</td>' % \
(obfuscate(changes[1]), )
print '\t\t<td valign="top" width="10%">description:</td>' + \
'<td width="60%">' + \
'<a href="?cmd=chkin;nd=%s">%s</a></td></tr>' % \
(self.nodestr, nl2br(cgi.escape(changes[4])), )
print '\t<tr><td>date:</td><td>%s UTC</td>' % (datestr, )
print '\t\t<td valign="top">files:</td><td valign="top">'
for f in changes[3]:
print '\t\t<a href="?cmd=file;nd=%s&fn=%s">%s</a>' % \
(hg.hex(mf[f]), f, cgi.escape(f), ),
print ' '
print '\t</td></tr>'
print '</table><br />'
(c, a, d) = self.repo.diffrevs(parents[0], self.node)
change = self.repo.changelog.read(parents[0])
mf2 = self.repo.manifest.read(change[0])
for f in c:
self.show_diff(self.repo.file(f).read(mf2[f]), \
self.repo.file(f).read(mf[f]), f)
for f in a:
self.show_diff('', self.repo.file(f).read(mf[f]), f)
for f in d:
self.show_diff(self.repo.file(f).read(mf2[f]), '', f)
class filepage(page):
def __init__(self, repo, fn, node=None, cs=None):
page.__init__(self)
self.repo = repo
self.fn = fn
if cs:
chng = self.repo.changelog.read(hg.bin(cs))
mf = self.repo.manifest.read(chng[0])
self.node = mf[self.fn]
self.nodestr = hg.hex(self.node)
else:
self.nodestr = node
self.node = hg.bin(node)
print '<div class="filename">%s (%s)</div>' % \
(cgi.escape(self.fn), self.nodestr, )
print '<a href="?cmd=hist;fn=%s">history</a><br />' % self.fn
def content(self):
print '<pre>'
print cgi.escape(self.repo.file(self.fn).read(self.node))
print '</pre>'
class mfpage(page):
def __init__(self, repo, node):
page.__init__(self)
self.repo = repo
self.nodestr = node
self.node = hg.bin(node)
def content(self):
mf = self.repo.manifest.read(self.node)
fns = mf.keys()
fns.sort()
print '<div class="manifest">Manifest (%s)</div>' % self.nodestr
for f in fns:
print '<a href="?cmd=file;fn=%s;nd=%s">%s</a><br />' % \
(f, hg.hex(mf[f]), f)
class histpage(page):
def __init__(self, repo, fn):
page.__init__(self)
self.repo = repo
self.fn = fn
def content(self):
print '<div class="filehist">File History: %s</div>' % self.fn
r = self.repo.file(self.fn)
print '<br />'
print '<table summary="" width="100%" align="center">'
for i in xrange(r.count()-1, -1, -1):
n = r.node(i)
(p1, p2) = r.parents(n)
(h, h1, h2) = map(hg.hex, (n, p1, p2))
(i1, i2) = map(r.rev, (p1, p2))
ci = r.linkrev(n)
cn = self.repo.changelog.node(ci)
cs = hg.hex(cn)
changes = self.repo.changelog.read(cn)
print '<tr><td>'
self.hist_ent(i, h, i1, h1, i2, h2, ci, cs, changes)
print '</tr></td>'
print '</table>'
def hist_ent(self, revi, revs, p1i, p1s, p2i, p2s, ci, cs, changes):
datestr = time.asctime(time.gmtime(float(changes[2].split(' ')[0])))
print '<table summary="" width="100%" border="1">'
print '\t<tr><td valign="top" width="10%">author:</td>' + \
'<td valign="top" width="20%%">%s</td>' % \
(obfuscate(changes[1]), )
print '\t\t<td valign="top" width="10%">description:</td>' + \
'<td width="60%">' + \
'<a href="?cmd=chkin;nd=%s">%s</a></td></tr>' % \
(cs, nl2br(cgi.escape(changes[4])), )
print '\t<tr><td>date:</td><td>%s UTC</td>' % (datestr, )
print '\t\t<td>revision:</td><td>%d:<a ' % (revi, ) + \
'href="?cmd=file;cs=%s;fn=%s">%s</a></td></tr>' % \
(cs, self.fn, revs )
print '\t<tr><td>parent(s):</td><td colspan="3">%d:' % (p1i, )
print '<a href="?cmd=file;nd=%s;fn=%s">%s</a>' % (p1s, self.fn, p1s, ),
if p2i != -1:
print ' %d:<a href="?cmd=file;nd=%s;fn=%s">%s</a>' % \
(p2i, p2s, self.fn, p2s ),
print '</td></tr>'
print '</table><br />'
class hgweb:
repo_path = "."
numchanges = 50
def __init__(self):
pass
def run(self):
args = cgi.parse()
ui = hg.ui()
repo = hg.repository(ui, self.repo_path)
if not args.has_key('cmd') or args['cmd'][0] == 'changes':
page = change_list(repo, 'Mercurial')
hi = args.get('hi', ( repo.changelog.count(), ))
page.content(hi = int(hi[0]))
page.endpage()
elif args['cmd'][0] == 'chkin':
if not args.has_key('nd'):
page = errpage()
print '<div class="errmsg">No Node!</div>'
else:
page = checkin(repo, args['nd'][0])
page.content()
page.endpage()
elif args['cmd'][0] == 'file':
if not (args.has_key('nd') and args.has_key('fn')) and \
not (args.has_key('cs') and args.has_key('fn')):
page = errpage()
print '<div class="errmsg">Invalid Args!</div>'
else:
if args.has_key('nd'):
page = filepage(repo, args['fn'][0], node=args['nd'][0])
else:
page = filepage(repo, args['fn'][0], cs=args['cs'][0])
page.content()
page.endpage()
elif args['cmd'][0] == 'mf':
if not args.has_key('nd'):
page = errpage()
print '<div class="errmsg">No Node!</div>'
else:
page = mfpage(repo, args['nd'][0])
page.content()
page.endpage()
elif args['cmd'][0] == 'hist':
if not args.has_key('fn'):
page = errpage()
print '<div class="errmsg">No Filename!</div>'
else:
page = histpage(repo, args['fn'][0])
page.content()
page.endpage()
elif args['cmd'][0] == 'branches':
httphdr("text/plain")
nodes = []
if args.has_key('nodes'):
nodes = map(hg.bin, args['nodes'][0].split(" "))
for b in repo.branches(nodes):
print " ".join(map(hg.hex, b))
elif args['cmd'][0] == 'between':
httphdr("text/plain")
nodes = []
if args.has_key('pairs'):
pairs = [ map(hg.bin, p.split("-"))
for p in args['pairs'][0].split(" ") ]
for b in repo.between(pairs):
print " ".join(map(hg.hex, b))
elif args['cmd'][0] == 'changegroup':
httphdr("application/hg-changegroup")
nodes = []
if args.has_key('roots'):
nodes = map(hg.bin, args['roots'][0].split(" "))
z = zlib.compressobj()
for chunk in repo.changegroup(nodes):
sys.stdout.write(z.compress(chunk))
sys.stdout.write(z.flush())
else:
page = errpage()
print '<div class="errmsg">unknown command: %s</div>' % \
cgi.escape(args['cmd'][0])
page.endpage()
if __name__ == "__main__":
hgweb().run()