Mercurial > hg
view mercurial/hgweb/webutil.py @ 17517:15036492a103
spelling: Structured
author | timeless@mozdev.org |
---|---|
date | Fri, 17 Aug 2012 13:58:19 -0700 |
parents | 5c64ce6168da |
children | d605a82cf189 |
line wrap: on
line source
# 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 or any later version. import os, copy from mercurial import match, patch, scmutil, error, ui, util from mercurial.i18n import _ from mercurial.node import hex, nullid from common import ErrorResponse from common import HTTP_NOT_FOUND import difflib 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 navbefore = [] navafter = [] 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: navafter.append(("+%d" % f, hex(nodefunc(pos + f).node()))) if pos - f >= 0: navbefore.insert(0, ("-%d" % f, hex(nodefunc(pos - f).node()))) navafter.append(("tip", "tip")) try: navbefore.insert(0, ("(0)", hex(nodefunc('0').node()))) except error.RepoError: pass def gen(l): def f(**map): for label, node in l: yield {"label": label, "node": node} return f return (dict(before=gen(navbefore), after=gen(navafter)),) 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': s.hex(), 'rev': s.rev()} d['user'] = s.user() d['date'] = s.date() d['description'] = s.description() d['branch'] = s.branch() if util.safehasattr(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 nodebookmarksdict(repo, node): return [{"name": i} for i in repo.nodebookmarks(node)] def nodebranchdict(repo, ctx): branches = [] branch = ctx.branch() # If this is an empty repo, ctx.node() == nullid, # ctx.branch() == 'default'. try: branchnode = repo.branchtip(branch) except error.RepoLookupError: branchnode = None if branchnode == ctx.node(): branches.append({"name": branch}) return branches def nodeinbranch(repo, ctx): branches = [] branch = ctx.branch() try: branchnode = repo.branchtip(branch) except error.RepoLookupError: branchnode = None if branch != 'default' and branchnode != 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 showbookmark(repo, tmpl, t1, node=nullid, **args): for t in repo.nodebookmarks(node): yield tmpl(t1, bookmark=t, **args) def cleanpath(repo, path): path = path.lstrip('/') return scmutil.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): if 'file' not in req.form: raise ErrorResponse(HTTP_NOT_FOUND, 'file not given') path = cleanpath(repo, req.form['file'][0]) if 'node' in req.form: changeid = req.form['node'][0] elif 'filenode' in req.form: changeid = req.form['filenode'][0] else: raise ErrorResponse(HTTP_NOT_FOUND, 'node or filenode not given') 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, style): def countgen(): start = 1 while True: yield start start += 1 blockcount = countgen() def prettyprintlines(diff, blockno): 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: blockno = blockcount.next() yield tmpl('diffblock', parity=parity.next(), blockno=blockno, lines=prettyprintlines(''.join(block), blockno)) block = [] if chunk.startswith('diff') and style != 'raw': chunk = ''.join(chunk.splitlines(True)[1:]) block.append(chunk) blockno = blockcount.next() yield tmpl('diffblock', parity=parity.next(), blockno=blockno, lines=prettyprintlines(''.join(block), blockno)) def compare(tmpl, context, leftlines, rightlines): '''Generator function that provides side-by-side comparison data.''' def compline(type, leftlineno, leftline, rightlineno, rightline): lineid = leftlineno and ("l%s" % leftlineno) or '' lineid += rightlineno and ("r%s" % rightlineno) or '' return tmpl('comparisonline', type=type, lineid=lineid, leftlinenumber="% 6s" % (leftlineno or ''), leftline=leftline or '', rightlinenumber="% 6s" % (rightlineno or ''), rightline=rightline or '') def getblock(opcodes): for type, llo, lhi, rlo, rhi in opcodes: len1 = lhi - llo len2 = rhi - rlo count = min(len1, len2) for i in xrange(count): yield compline(type=type, leftlineno=llo + i + 1, leftline=leftlines[llo + i], rightlineno=rlo + i + 1, rightline=rightlines[rlo + i]) if len1 > len2: for i in xrange(llo + count, lhi): yield compline(type=type, leftlineno=i + 1, leftline=leftlines[i], rightlineno=None, rightline=None) elif len2 > len1: for i in xrange(rlo + count, rhi): yield compline(type=type, leftlineno=None, leftline=None, rightlineno=i + 1, rightline=rightlines[i]) s = difflib.SequenceMatcher(None, leftlines, rightlines) if context < 0: yield tmpl('comparisonblock', lines=getblock(s.get_opcodes())) else: for oc in s.get_grouped_opcodes(n=context): yield tmpl('comparisonblock', lines=getblock(oc)) def diffstatgen(ctx): '''Generator function that provides the diffstat data.''' stats = patch.diffstatdata(util.iterlines(ctx.diff())) maxname, maxtotal, addtotal, removetotal, binary = patch.diffstatsum(stats) while True: yield stats, maxname, maxtotal, addtotal, removetotal, binary def diffsummary(statgen): '''Return a short summary of the diff.''' stats, maxname, maxtotal, addtotal, removetotal, binary = statgen.next() return _(' %d files changed, %d insertions(+), %d deletions(-)\n') % ( len(stats), addtotal, removetotal) def diffstat(tmpl, ctx, statgen, parity): '''Return a diffstat template for each file in the diff.''' stats, maxname, maxtotal, addtotal, removetotal, binary = statgen.next() files = ctx.files() def pct(i): if maxtotal == 0: return 0 return (float(i) / maxtotal) * 100 fileno = 0 for filename, adds, removes, isbinary in stats: template = filename in files and 'diffstatlink' or 'diffstatnolink' total = adds + removes fileno += 1 yield tmpl(template, node=ctx.hex(), file=filename, fileno=fileno, total=total, addpct=pct(adds), removepct=pct(removes), parity=parity.next()) 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 = '&' class wsgiui(ui.ui): # default termwidth breaks under mod_wsgi def termwidth(self): return 80