mercurial/hgweb/webutil.py
author Pierre-Yves David <pierre-yves.david@logilab.fr>
Tue, 15 Jan 2013 12:11:18 +0100
changeset 18389 82572533bc00
parent 18388 083daee1b749
child 18390 28fa9443f751
permissions -rw-r--r--
hgweb: move the `seq` function out of the revnavgen scope There is not reason for it to be a in there. And this function could use a major reworks.
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# hgweb/webutil.py - utility library for the web interface.
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#
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# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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import os, copy
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from mercurial import match, patch, scmutil, error, ui, util
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from mercurial.i18n import _
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from mercurial.node import hex, nullid
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from common import ErrorResponse
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from common import HTTP_NOT_FOUND
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import difflib
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def up(p):
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    if p[0] != "/":
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        p = "/" + p
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    if p[-1] == "/":
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        p = p[:-1]
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    up = os.path.dirname(p)
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    if up == "/":
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        return "/"
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    return up + "/"
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def _navseq(factor, limit=None):
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    if limit:
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        yield limit
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        if limit >= 20 and limit <= 40:
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            yield 50
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    else:
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        yield 1 * factor
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        yield 3 * factor
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    for f in _navseq(factor * 10):
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        yield f
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def revnavgen(pos, pagelen, limit, nodefunc):
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    """computes label and revision id for navigation link
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    :pos: is the revision relative to which we generate navigation.
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    :pagelen: the size of each navigation page
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    :limit: how far shall we link
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    :nodefun: factory for a changectx from a revision
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    The return is:
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        - a single element tuple
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        - containing a dictionary with a `before` and `after` key
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        - values are generator functions taking an arbitrary number of kwargs
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        - yield items are dictionaries with `label` and `node` keys
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    """
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    navbefore = []
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    navafter = []
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    last = 0
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    for f in _navseq(1, pagelen):
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        if f < pagelen or f <= last:
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            continue
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        if f > limit:
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            break
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        last = f
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        if pos + f < limit:
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            navafter.append(("+%d" % f, hex(nodefunc(pos + f).node())))
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        if pos - f >= 0:
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            navbefore.insert(0, ("-%d" % f, hex(nodefunc(pos - f).node())))
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    navafter.append(("tip", "tip"))
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    try:
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        navbefore.insert(0, ("(0)", hex(nodefunc(0).node())))
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    except error.RepoError:
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        pass
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    data = lambda i: {"label": i[0], "node": i[1]}
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    return ({'before': lambda **map: (data(i) for i in navbefore),
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             'after':  lambda **map: (data(i) for i in navafter)},)
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def _siblings(siblings=[], hiderev=None):
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    siblings = [s for s in siblings if s.node() != nullid]
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    if len(siblings) == 1 and siblings[0].rev() == hiderev:
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        return
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    for s in siblings:
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        d = {'node': s.hex(), 'rev': s.rev()}
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        d['user'] = s.user()
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        d['date'] = s.date()
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        d['description'] = s.description()
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        d['branch'] = s.branch()
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        if util.safehasattr(s, 'path'):
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            d['file'] = s.path()
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        yield d
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def parents(ctx, hide=None):
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    return _siblings(ctx.parents(), hide)
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def children(ctx, hide=None):
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    return _siblings(ctx.children(), hide)
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def renamelink(fctx):
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    r = fctx.renamed()
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    if r:
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        return [dict(file=r[0], node=hex(r[1]))]
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    return []
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def nodetagsdict(repo, node):
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    return [{"name": i} for i in repo.nodetags(node)]
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def nodebookmarksdict(repo, node):
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    return [{"name": i} for i in repo.nodebookmarks(node)]
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def nodebranchdict(repo, ctx):
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    branches = []
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    branch = ctx.branch()
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    # If this is an empty repo, ctx.node() == nullid,
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    # ctx.branch() == 'default'.
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    try:
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        branchnode = repo.branchtip(branch)
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    except error.RepoLookupError:
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        branchnode = None
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    if branchnode == ctx.node():
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        branches.append({"name": branch})
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   121
    return branches
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   122
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parents:
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   123
def nodeinbranch(repo, ctx):
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parents:
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   124
    branches = []
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   125
    branch = ctx.branch()
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Brodie Rao <brodie@sf.io>
parents: 16308
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   126
    try:
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   127
        branchnode = repo.branchtip(branch)
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parents: 16308
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   128
    except error.RepoLookupError:
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   129
        branchnode = None
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   130
    if branch != 'default' and branchnode != ctx.node():
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   131
        branches.append({"name": branch})
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   132
    return branches
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   133
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parents:
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   134
def nodebranchnodefault(ctx):
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   135
    branches = []
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   136
    branch = ctx.branch()
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   137
    if branch != 'default':
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   138
        branches.append({"name": branch})
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parents:
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   139
    return branches
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   140
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parents:
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   141
def showtag(repo, tmpl, t1, node=nullid, **args):
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   142
    for t in repo.nodetags(node):
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parents:
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   143
        yield tmpl(t1, tag=t, **args)
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parents:
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   144
13596
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Alexander Solovyov <alexander@solovyov.net>
parents: 12691
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   145
def showbookmark(repo, tmpl, t1, node=nullid, **args):
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Alexander Solovyov <alexander@solovyov.net>
parents: 12691
diff changeset
   146
    for t in repo.nodebookmarks(node):
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parents: 12691
diff changeset
   147
        yield tmpl(t1, bookmark=t, **args)
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parents: 12691
diff changeset
   148
6392
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   149
def cleanpath(repo, path):
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   150
    path = path.lstrip('/')
13971
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Adrian Buehlmann <adrian@cadifra.com>
parents: 13596
diff changeset
   151
    return scmutil.canonpath(repo.root, '', path)
6392
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parents:
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   152
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parents: 17302
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   153
def changeidctx (repo, changeid):
6392
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parents:
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   154
    try:
6747
f6c00b17387c use repo[changeid] to get a changectx
Matt Mackall <mpm@selenic.com>
parents: 6437
diff changeset
   155
        ctx = repo[changeid]
7637
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Matt Mackall <mpm@selenic.com>
parents: 7361
diff changeset
   156
    except error.RepoError:
6392
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   157
        man = repo.manifest
7361
9fe97eea5510 linkrev: take a revision number rather than a hash
Matt Mackall <mpm@selenic.com>
parents: 7345
diff changeset
   158
        ctx = repo[man.linkrev(man.rev(man.lookup(changeid)))]
6392
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parents:
diff changeset
   159
2540521dc7c1 hgweb: separate out utility functions
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parents:
diff changeset
   160
    return ctx
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parents:
diff changeset
   161
17991
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Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   162
def changectx (repo, req):
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Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   163
    changeid = "tip"
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Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   164
    if 'node' in req.form:
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   165
        changeid = req.form['node'][0]
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   166
        ipos=changeid.find(':')
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   167
        if ipos != -1:
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   168
            changeid = changeid[(ipos + 1):]
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   169
    elif 'manifest' in req.form:
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   170
        changeid = req.form['manifest'][0]
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   171
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   172
    return changeidctx(repo, changeid)
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   173
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   174
def basechangectx(repo, req):
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   175
    if 'node' in req.form:
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   176
        changeid = req.form['node'][0]
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   177
        ipos=changeid.find(':')
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   178
        if ipos != -1:
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   179
            changeid = changeid[:ipos]
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   180
            return changeidctx(repo, changeid)
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   181
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   182
    return None
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   183
6392
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   184
def filectx(repo, req):
17289
f2d6b4f8e78c hgweb: avoid traceback when file or node parameters are missing
Ross Lagerwall <rosslagerwall@gmail.com>
parents: 17202
diff changeset
   185
    if 'file' not in req.form:
f2d6b4f8e78c hgweb: avoid traceback when file or node parameters are missing
Ross Lagerwall <rosslagerwall@gmail.com>
parents: 17202
diff changeset
   186
        raise ErrorResponse(HTTP_NOT_FOUND, 'file not given')
6392
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   187
    path = cleanpath(repo, req.form['file'][0])
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   188
    if 'node' in req.form:
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   189
        changeid = req.form['node'][0]
17289
f2d6b4f8e78c hgweb: avoid traceback when file or node parameters are missing
Ross Lagerwall <rosslagerwall@gmail.com>
parents: 17202
diff changeset
   190
    elif 'filenode' in req.form:
f2d6b4f8e78c hgweb: avoid traceback when file or node parameters are missing
Ross Lagerwall <rosslagerwall@gmail.com>
parents: 17202
diff changeset
   191
        changeid = req.form['filenode'][0]
6392
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   192
    else:
17289
f2d6b4f8e78c hgweb: avoid traceback when file or node parameters are missing
Ross Lagerwall <rosslagerwall@gmail.com>
parents: 17202
diff changeset
   193
        raise ErrorResponse(HTTP_NOT_FOUND, 'node or filenode not given')
6392
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   194
    try:
6747
f6c00b17387c use repo[changeid] to get a changectx
Matt Mackall <mpm@selenic.com>
parents: 6437
diff changeset
   195
        fctx = repo[changeid][path]
7637
1d54e2f6c0b7 error: move repo errors
Matt Mackall <mpm@selenic.com>
parents: 7361
diff changeset
   196
    except error.RepoError:
6392
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   197
        fctx = repo.filectx(path, fileid=changeid)
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   198
2540521dc7c1 hgweb: separate out utility functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
diff changeset
   199
    return fctx
7310
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   200
7311
de9c87fe1620 hgweb: move another utility function into the webutil module
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7310
diff changeset
   201
def listfilediffs(tmpl, files, node, max):
de9c87fe1620 hgweb: move another utility function into the webutil module
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7310
diff changeset
   202
    for f in files[:max]:
de9c87fe1620 hgweb: move another utility function into the webutil module
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7310
diff changeset
   203
        yield tmpl('filedifflink', node=hex(node), file=f)
de9c87fe1620 hgweb: move another utility function into the webutil module
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7310
diff changeset
   204
    if len(files) > max:
de9c87fe1620 hgweb: move another utility function into the webutil module
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7310
diff changeset
   205
        yield tmpl('fileellipses')
de9c87fe1620 hgweb: move another utility function into the webutil module
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7310
diff changeset
   206
17991
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   207
def diffs(repo, tmpl, ctx, basectx, files, parity, style):
7310
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   208
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   209
    def countgen():
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   210
        start = 1
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   211
        while True:
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   212
            yield start
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   213
            start += 1
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   214
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   215
    blockcount = countgen()
16308
2695aaf4eb72 hgweb: add block numbers to diff regions and related links
Paul Boddie <paul@boddie.org.uk>
parents: 14957
diff changeset
   216
    def prettyprintlines(diff, blockno):
7310
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   217
        for lineno, l in enumerate(diff.splitlines(True)):
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   218
            lineno = "%d.%d" % (blockno, lineno + 1)
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   219
            if l.startswith('+'):
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   220
                ltype = "difflineplus"
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   221
            elif l.startswith('-'):
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   222
                ltype = "difflineminus"
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   223
            elif l.startswith('@'):
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   224
                ltype = "difflineat"
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   225
            else:
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   226
                ltype = "diffline"
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   227
            yield tmpl(ltype,
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   228
                       line=l,
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   229
                       lineid="l%s" % lineno,
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   230
                       linenumber="% 8s" % lineno)
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   231
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   232
    if files:
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   233
        m = match.exact(repo.root, repo.getcwd(), files)
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   234
    else:
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   235
        m = match.always(repo.root, repo.getcwd())
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   236
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   237
    diffopts = patch.diffopts(repo.ui, untrusted=True)
17991
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   238
    if basectx is None:
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   239
        parents = ctx.parents()
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   240
        node1 = parents and parents[0].node() or nullid
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   241
    else:
d605a82cf189 hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents: 17302
diff changeset
   242
        node1 = basectx.node()
7310
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   243
    node2 = ctx.node()
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   244
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   245
    block = []
bd522d09d5e3 hgweb: move the diffs() generator into webutil
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 7294
diff changeset
   246
    for chunk in patch.diff(repo, node1, node2, m, opts=diffopts):
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        if chunk.startswith('diff') and block:
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            blockno = blockcount.next()
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            yield tmpl('diffblock', parity=parity.next(), blockno=blockno,
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                       lines=prettyprintlines(''.join(block), blockno))
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            block = []
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        if chunk.startswith('diff') and style != 'raw':
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            chunk = ''.join(chunk.splitlines(True)[1:])
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        block.append(chunk)
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   255
    blockno = blockcount.next()
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   256
    yield tmpl('diffblock', parity=parity.next(), blockno=blockno,
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               lines=prettyprintlines(''.join(block), blockno))
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   258
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def compare(tmpl, context, leftlines, rightlines):
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    '''Generator function that provides side-by-side comparison data.'''
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    def compline(type, leftlineno, leftline, rightlineno, rightline):
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        lineid = leftlineno and ("l%s" % leftlineno) or ''
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        lineid += rightlineno and ("r%s" % rightlineno) or ''
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        return tmpl('comparisonline',
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                    type=type,
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                    lineid=lineid,
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                    leftlinenumber="% 6s" % (leftlineno or ''),
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                    leftline=leftline or '',
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                    rightlinenumber="% 6s" % (rightlineno or ''),
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                    rightline=rightline or '')
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    def getblock(opcodes):
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        for type, llo, lhi, rlo, rhi in opcodes:
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            len1 = lhi - llo
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            len2 = rhi - rlo
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            count = min(len1, len2)
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            for i in xrange(count):
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                yield compline(type=type,
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                               leftlineno=llo + i + 1,
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                               leftline=leftlines[llo + i],
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                               rightlineno=rlo + i + 1,
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                               rightline=rightlines[rlo + i])
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            if len1 > len2:
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   285
                for i in xrange(llo + count, lhi):
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                    yield compline(type=type,
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                                   leftlineno=i + 1,
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                                   leftline=leftlines[i],
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                                   rightlineno=None,
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                                   rightline=None)
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   291
            elif len2 > len1:
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   292
                for i in xrange(rlo + count, rhi):
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                    yield compline(type=type,
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   294
                                   leftlineno=None,
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                                   leftline=None,
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   296
                                   rightlineno=i + 1,
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   297
                                   rightline=rightlines[i])
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   298
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   299
    s = difflib.SequenceMatcher(None, leftlines, rightlines)
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   300
    if context < 0:
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   301
        yield tmpl('comparisonblock', lines=getblock(s.get_opcodes()))
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   302
    else:
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   303
        for oc in s.get_grouped_opcodes(n=context):
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   304
            yield tmpl('comparisonblock', lines=getblock(oc))
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   305
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   306
def diffstatgen(ctx, basectx):
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   307
    '''Generator function that provides the diffstat data.'''
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   308
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   309
    stats = patch.diffstatdata(util.iterlines(ctx.diff(basectx)))
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   310
    maxname, maxtotal, addtotal, removetotal, binary = patch.diffstatsum(stats)
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   311
    while True:
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   312
        yield stats, maxname, maxtotal, addtotal, removetotal, binary
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   313
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   314
def diffsummary(statgen):
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   315
    '''Return a short summary of the diff.'''
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   316
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   317
    stats, maxname, maxtotal, addtotal, removetotal, binary = statgen.next()
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   318
    return _(' %d files changed, %d insertions(+), %d deletions(-)\n') % (
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   319
             len(stats), addtotal, removetotal)
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parents: 14562
diff changeset
   320
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parents: 14562
diff changeset
   321
def diffstat(tmpl, ctx, statgen, parity):
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   322
    '''Return a diffstat template for each file in the diff.'''
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parents: 14562
diff changeset
   323
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   324
    stats, maxname, maxtotal, addtotal, removetotal, binary = statgen.next()
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parents: 14490
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   325
    files = ctx.files()
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parents: 14055
diff changeset
   326
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   327
    def pct(i):
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diff changeset
   328
        if maxtotal == 0:
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diff changeset
   329
            return 0
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   330
        return (float(i) / maxtotal) * 100
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diff changeset
   331
14562
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diff changeset
   332
    fileno = 0
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diff changeset
   333
    for filename, adds, removes, isbinary in stats:
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parents: 14490
diff changeset
   334
        template = filename in files and 'diffstatlink' or 'diffstatnolink'
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parents: 14490
diff changeset
   335
        total = adds + removes
14562
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parents: 14561
diff changeset
   336
        fileno += 1
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parents: 14561
diff changeset
   337
        yield tmpl(template, node=ctx.hex(), file=filename, fileno=fileno,
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parents: 14490
diff changeset
   338
                   total=total, addpct=pct(adds), removepct=pct(removes),
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parents: 14490
diff changeset
   339
                   parity=parity.next())
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diff changeset
   340
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diff changeset
   341
class sessionvars(object):
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diff changeset
   342
    def __init__(self, vars, start='?'):
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diff changeset
   343
        self.start = start
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diff changeset
   344
        self.vars = vars
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diff changeset
   345
    def __getitem__(self, key):
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parents: 7311
diff changeset
   346
        return self.vars[key]
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diff changeset
   347
    def __setitem__(self, key, value):
55651328dfcc hgweb: fix up the less/more links on the graph page
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parents: 7311
diff changeset
   348
        self.vars[key] = value
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diff changeset
   349
    def __copy__(self):
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diff changeset
   350
        return sessionvars(copy.copy(self.vars), self.start)
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diff changeset
   351
    def __iter__(self):
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parents: 7311
diff changeset
   352
        separator = self.start
18367
ae7215f4f7b9 hgweb: generate query strings with parameters sorted by key
Mads Kiilerich <mads@kiilerich.com>
parents: 18320
diff changeset
   353
        for key, value in sorted(self.vars.iteritems()):
7345
55651328dfcc hgweb: fix up the less/more links on the graph page
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parents: 7311
diff changeset
   354
            yield {'name': key, 'value': str(value), 'separator': separator}
55651328dfcc hgweb: fix up the less/more links on the graph page
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parents: 7311
diff changeset
   355
            separator = '&'
12691
1b1a9038a71a hgweb: fix hgweb_mod as well as hgwebdir_mod
Augie Fackler <durin42@gmail.com>
parents: 10282
diff changeset
   356
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diff changeset
   357
class wsgiui(ui.ui):
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Augie Fackler <durin42@gmail.com>
parents: 10282
diff changeset
   358
    # default termwidth breaks under mod_wsgi
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diff changeset
   359
    def termwidth(self):
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diff changeset
   360
        return 80