ref: 3bb5168c6f21b38e5b4415419f986b4fa466cbd9
dir: /sys/src/cmd/hg/mercurial/hgweb/webutil.py/
# hgweb/webutil.py - utility library for the web interface.
#
# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2, incorporated herein by reference.
import os, copy
from mercurial import match, patch, util, error
from mercurial.node import hex, nullid
def up(p):
if p[0] != "/":
p = "/" + p
if p[-1] == "/":
p = p[:-1]
up = os.path.dirname(p)
if up == "/":
return "/"
return up + "/"
def revnavgen(pos, pagelen, limit, nodefunc):
def seq(factor, limit=None):
if limit:
yield limit
if limit >= 20 and limit <= 40:
yield 50
else:
yield 1 * factor
yield 3 * factor
for f in seq(factor * 10):
yield f
def nav(**map):
l = []
last = 0
for f in seq(1, pagelen):
if f < pagelen or f <= last:
continue
if f > limit:
break
last = f
if pos + f < limit:
l.append(("+%d" % f, hex(nodefunc(pos + f).node())))
if pos - f >= 0:
l.insert(0, ("-%d" % f, hex(nodefunc(pos - f).node())))
try:
yield {"label": "(0)", "node": hex(nodefunc('0').node())}
for label, node in l:
yield {"label": label, "node": node}
yield {"label": "tip", "node": "tip"}
except error.RepoError:
pass
return nav
def _siblings(siblings=[], hiderev=None):
siblings = [s for s in siblings if s.node() != nullid]
if len(siblings) == 1 and siblings[0].rev() == hiderev:
return
for s in siblings:
d = {'node': hex(s.node()), 'rev': s.rev()}
d['user'] = s.user()
d['date'] = s.date()
d['description'] = s.description()
d['branch'] = s.branch()
if hasattr(s, 'path'):
d['file'] = s.path()
yield d
def parents(ctx, hide=None):
return _siblings(ctx.parents(), hide)
def children(ctx, hide=None):
return _siblings(ctx.children(), hide)
def renamelink(fctx):
r = fctx.renamed()
if r:
return [dict(file=r[0], node=hex(r[1]))]
return []
def nodetagsdict(repo, node):
return [{"name": i} for i in repo.nodetags(node)]
def nodebranchdict(repo, ctx):
branches = []
branch = ctx.branch()
# If this is an empty repo, ctx.node() == nullid,
# ctx.branch() == 'default', but branchtags() is
# an empty dict. Using dict.get avoids a traceback.
if repo.branchtags().get(branch) == ctx.node():
branches.append({"name": branch})
return branches
def nodeinbranch(repo, ctx):
branches = []
branch = ctx.branch()
if branch != 'default' and repo.branchtags().get(branch) != ctx.node():
branches.append({"name": branch})
return branches
def nodebranchnodefault(ctx):
branches = []
branch = ctx.branch()
if branch != 'default':
branches.append({"name": branch})
return branches
def showtag(repo, tmpl, t1, node=nullid, **args):
for t in repo.nodetags(node):
yield tmpl(t1, tag=t, **args)
def cleanpath(repo, path):
path = path.lstrip('/')
return util.canonpath(repo.root, '', path)
def changectx(repo, req):
changeid = "tip"
if 'node' in req.form:
changeid = req.form['node'][0]
elif 'manifest' in req.form:
changeid = req.form['manifest'][0]
try:
ctx = repo[changeid]
except error.RepoError:
man = repo.manifest
ctx = repo[man.linkrev(man.rev(man.lookup(changeid)))]
return ctx
def filectx(repo, req):
path = cleanpath(repo, req.form['file'][0])
if 'node' in req.form:
changeid = req.form['node'][0]
else:
changeid = req.form['filenode'][0]
try:
fctx = repo[changeid][path]
except error.RepoError:
fctx = repo.filectx(path, fileid=changeid)
return fctx
def listfilediffs(tmpl, files, node, max):
for f in files[:max]:
yield tmpl('filedifflink', node=hex(node), file=f)
if len(files) > max:
yield tmpl('fileellipses')
def diffs(repo, tmpl, ctx, files, parity):
def countgen():
start = 1
while True:
yield start
start += 1
blockcount = countgen()
def prettyprintlines(diff):
blockno = blockcount.next()
for lineno, l in enumerate(diff.splitlines(True)):
lineno = "%d.%d" % (blockno, lineno + 1)
if l.startswith('+'):
ltype = "difflineplus"
elif l.startswith('-'):
ltype = "difflineminus"
elif l.startswith('@'):
ltype = "difflineat"
else:
ltype = "diffline"
yield tmpl(ltype,
line=l,
lineid="l%s" % lineno,
linenumber="% 8s" % lineno)
if files:
m = match.exact(repo.root, repo.getcwd(), files)
else:
m = match.always(repo.root, repo.getcwd())
diffopts = patch.diffopts(repo.ui, untrusted=True)
parents = ctx.parents()
node1 = parents and parents[0].node() or nullid
node2 = ctx.node()
block = []
for chunk in patch.diff(repo, node1, node2, m, opts=diffopts):
if chunk.startswith('diff') and block:
yield tmpl('diffblock', parity=parity.next(),
lines=prettyprintlines(''.join(block)))
block = []
if chunk.startswith('diff'):
chunk = ''.join(chunk.splitlines(True)[1:])
block.append(chunk)
yield tmpl('diffblock', parity=parity.next(),
lines=prettyprintlines(''.join(block)))
class sessionvars(object):
def __init__(self, vars, start='?'):
self.start = start
self.vars = vars
def __getitem__(self, key):
return self.vars[key]
def __setitem__(self, key, value):
self.vars[key] = value
def __copy__(self):
return sessionvars(copy.copy(self.vars), self.start)
def __iter__(self):
separator = self.start
for key, value in self.vars.iteritems():
yield {'name': key, 'value': str(value), 'separator': separator}
separator = '&'