Mercurial > hg
view mercurial/hgweb/webutil.py @ 7671:06cf09c822c4
hgweb: simplify parents/children generation code
author | Dirkjan Ochtman <dirkjan@ochtman.nl> |
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date | Mon, 19 Jan 2009 13:20:47 +0100 |
parents | 1d54e2f6c0b7 |
children | f9ba30cb7ee4 |
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# 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, 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() 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 = '&'