Mercurial > hg
view mercurial/hgweb/hgweb_mod.py @ 20835:0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
Before this patch, "util.cachefunc()" caches the value returned by the
specified function into dictionary "cache", even if the specified
function takes no arguments.
In such case, "cache" has at most one entry, and distinction between
entries in "cache" is meaningless.
This patch adds the code path to "cachefunc()" for the function taking
no arguments for efficiency: to store only one cached value, using
list "cache" is a little faster than using dictionary "cache".
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Sat, 15 Feb 2014 19:52:26 +0900 |
parents | 49f2d5644f04 |
children | bd3360c63bb3 |
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# hgweb/hgweb_mod.py - Web interface for a repository. # # 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, re from mercurial import ui, hg, hook, error, encoding, templater, util, repoview from mercurial.templatefilters import websub from mercurial.i18n import _ from common import get_stat, ErrorResponse, permhooks, caching from common import HTTP_OK, HTTP_NOT_MODIFIED, HTTP_BAD_REQUEST from common import HTTP_NOT_FOUND, HTTP_SERVER_ERROR from request import wsgirequest import webcommands, protocol, webutil perms = { 'changegroup': 'pull', 'changegroupsubset': 'pull', 'getbundle': 'pull', 'stream_out': 'pull', 'listkeys': 'pull', 'unbundle': 'push', 'pushkey': 'push', } def makebreadcrumb(url, prefix=''): '''Return a 'URL breadcrumb' list A 'URL breadcrumb' is a list of URL-name pairs, corresponding to each of the path items on a URL. This can be used to create path navigation entries. ''' if url.endswith('/'): url = url[:-1] if prefix: url = '/' + prefix + url relpath = url if relpath.startswith('/'): relpath = relpath[1:] breadcrumb = [] urlel = url pathitems = [''] + relpath.split('/') for pathel in reversed(pathitems): if not pathel or not urlel: break breadcrumb.append({'url': urlel, 'name': pathel}) urlel = os.path.dirname(urlel) return reversed(breadcrumb) class hgweb(object): def __init__(self, repo, name=None, baseui=None): if isinstance(repo, str): if baseui: u = baseui.copy() else: u = ui.ui() r = hg.repository(u, repo) else: r = repo r = self._getview(r) r.ui.setconfig('ui', 'report_untrusted', 'off', 'hgweb') r.baseui.setconfig('ui', 'report_untrusted', 'off', 'hgweb') r.ui.setconfig('ui', 'nontty', 'true', 'hgweb') r.baseui.setconfig('ui', 'nontty', 'true', 'hgweb') self.repo = r hook.redirect(True) self.mtime = -1 self.size = -1 self.reponame = name self.archives = 'zip', 'gz', 'bz2' self.stripecount = 1 # a repo owner may set web.templates in .hg/hgrc to get any file # readable by the user running the CGI script self.templatepath = self.config('web', 'templates') self.websubtable = self.loadwebsub() # The CGI scripts are often run by a user different from the repo owner. # Trust the settings from the .hg/hgrc files by default. def config(self, section, name, default=None, untrusted=True): return self.repo.ui.config(section, name, default, untrusted=untrusted) def configbool(self, section, name, default=False, untrusted=True): return self.repo.ui.configbool(section, name, default, untrusted=untrusted) def configlist(self, section, name, default=None, untrusted=True): return self.repo.ui.configlist(section, name, default, untrusted=untrusted) def _getview(self, repo): viewconfig = repo.ui.config('web', 'view', 'served', untrusted=True) if viewconfig == 'all': return repo.unfiltered() elif viewconfig in repoview.filtertable: return repo.filtered(viewconfig) else: return repo.filtered('served') def refresh(self, request=None): st = get_stat(self.repo.spath) # compare changelog size in addition to mtime to catch # rollbacks made less than a second ago if st.st_mtime != self.mtime or st.st_size != self.size: self.mtime = st.st_mtime self.size = st.st_size r = hg.repository(self.repo.baseui, self.repo.root) self.repo = self._getview(r) self.maxchanges = int(self.config("web", "maxchanges", 10)) self.stripecount = int(self.config("web", "stripes", 1)) self.maxshortchanges = int(self.config("web", "maxshortchanges", 60)) self.maxfiles = int(self.config("web", "maxfiles", 10)) self.allowpull = self.configbool("web", "allowpull", True) encoding.encoding = self.config("web", "encoding", encoding.encoding) if request: self.repo.ui.environ = request.env def run(self): if not os.environ.get('GATEWAY_INTERFACE', '').startswith("CGI/1."): raise RuntimeError("This function is only intended to be " "called while running as a CGI script.") import mercurial.hgweb.wsgicgi as wsgicgi wsgicgi.launch(self) def __call__(self, env, respond): req = wsgirequest(env, respond) return self.run_wsgi(req) def run_wsgi(self, req): self.refresh(req) # work with CGI variables to create coherent structure # use SCRIPT_NAME, PATH_INFO and QUERY_STRING as well as our REPO_NAME req.url = req.env['SCRIPT_NAME'] if not req.url.endswith('/'): req.url += '/' if 'REPO_NAME' in req.env: req.url += req.env['REPO_NAME'] + '/' if 'PATH_INFO' in req.env: parts = req.env['PATH_INFO'].strip('/').split('/') repo_parts = req.env.get('REPO_NAME', '').split('/') if parts[:len(repo_parts)] == repo_parts: parts = parts[len(repo_parts):] query = '/'.join(parts) else: query = req.env['QUERY_STRING'].split('&', 1)[0] query = query.split(';', 1)[0] # process this if it's a protocol request # protocol bits don't need to create any URLs # and the clients always use the old URL structure cmd = req.form.get('cmd', [''])[0] if protocol.iscmd(cmd): try: if query: raise ErrorResponse(HTTP_NOT_FOUND) if cmd in perms: self.check_perm(req, perms[cmd]) return protocol.call(self.repo, req, cmd) except ErrorResponse, inst: # A client that sends unbundle without 100-continue will # break if we respond early. if (cmd == 'unbundle' and (req.env.get('HTTP_EXPECT', '').lower() != '100-continue') or req.env.get('X-HgHttp2', '')): req.drain() else: req.headers.append(('Connection', 'Close')) req.respond(inst, protocol.HGTYPE, body='0\n%s\n' % inst.message) return '' # translate user-visible url structure to internal structure args = query.split('/', 2) if 'cmd' not in req.form and args and args[0]: cmd = args.pop(0) style = cmd.rfind('-') if style != -1: req.form['style'] = [cmd[:style]] cmd = cmd[style + 1:] # avoid accepting e.g. style parameter as command if util.safehasattr(webcommands, cmd): req.form['cmd'] = [cmd] else: cmd = '' if cmd == 'static': req.form['file'] = ['/'.join(args)] else: if args and args[0]: node = args.pop(0) req.form['node'] = [node] if args: req.form['file'] = args ua = req.env.get('HTTP_USER_AGENT', '') if cmd == 'rev' and 'mercurial' in ua: req.form['style'] = ['raw'] if cmd == 'archive': fn = req.form['node'][0] for type_, spec in self.archive_specs.iteritems(): ext = spec[2] if fn.endswith(ext): req.form['node'] = [fn[:-len(ext)]] req.form['type'] = [type_] # process the web interface request try: tmpl = self.templater(req) ctype = tmpl('mimetype', encoding=encoding.encoding) ctype = templater.stringify(ctype) # check read permissions non-static content if cmd != 'static': self.check_perm(req, None) if cmd == '': req.form['cmd'] = [tmpl.cache['default']] cmd = req.form['cmd'][0] if self.configbool('web', 'cache', True): caching(self, req) # sets ETag header or raises NOT_MODIFIED if cmd not in webcommands.__all__: msg = 'no such method: %s' % cmd raise ErrorResponse(HTTP_BAD_REQUEST, msg) elif cmd == 'file' and 'raw' in req.form.get('style', []): self.ctype = ctype content = webcommands.rawfile(self, req, tmpl) else: content = getattr(webcommands, cmd)(self, req, tmpl) req.respond(HTTP_OK, ctype) return content except (error.LookupError, error.RepoLookupError), err: req.respond(HTTP_NOT_FOUND, ctype) msg = str(err) if (util.safehasattr(err, 'name') and not isinstance(err, error.ManifestLookupError)): msg = 'revision not found: %s' % err.name return tmpl('error', error=msg) except (error.RepoError, error.RevlogError), inst: req.respond(HTTP_SERVER_ERROR, ctype) return tmpl('error', error=str(inst)) except ErrorResponse, inst: req.respond(inst, ctype) if inst.code == HTTP_NOT_MODIFIED: # Not allowed to return a body on a 304 return [''] return tmpl('error', error=inst.message) def loadwebsub(self): websubtable = [] websubdefs = self.repo.ui.configitems('websub') # we must maintain interhg backwards compatibility websubdefs += self.repo.ui.configitems('interhg') for key, pattern in websubdefs: # grab the delimiter from the character after the "s" unesc = pattern[1] delim = re.escape(unesc) # identify portions of the pattern, taking care to avoid escaped # delimiters. the replace format and flags are optional, but # delimiters are required. match = re.match( r'^s%s(.+)(?:(?<=\\\\)|(?<!\\))%s(.*)%s([ilmsux])*$' % (delim, delim, delim), pattern) if not match: self.repo.ui.warn(_("websub: invalid pattern for %s: %s\n") % (key, pattern)) continue # we need to unescape the delimiter for regexp and format delim_re = re.compile(r'(?<!\\)\\%s' % delim) regexp = delim_re.sub(unesc, match.group(1)) format = delim_re.sub(unesc, match.group(2)) # the pattern allows for 6 regexp flags, so set them if necessary flagin = match.group(3) flags = 0 if flagin: for flag in flagin.upper(): flags |= re.__dict__[flag] try: regexp = re.compile(regexp, flags) websubtable.append((regexp, format)) except re.error: self.repo.ui.warn(_("websub: invalid regexp for %s: %s\n") % (key, regexp)) return websubtable def templater(self, req): # determine scheme, port and server name # this is needed to create absolute urls proto = req.env.get('wsgi.url_scheme') if proto == 'https': proto = 'https' default_port = "443" else: proto = 'http' default_port = "80" port = req.env["SERVER_PORT"] port = port != default_port and (":" + port) or "" urlbase = '%s://%s%s' % (proto, req.env['SERVER_NAME'], port) logourl = self.config("web", "logourl", "http://mercurial.selenic.com/") logoimg = self.config("web", "logoimg", "hglogo.png") staticurl = self.config("web", "staticurl") or req.url + 'static/' if not staticurl.endswith('/'): staticurl += '/' # some functions for the templater def motd(**map): yield self.config("web", "motd", "") # figure out which style to use vars = {} styles = ( req.form.get('style', [None])[0], self.config('web', 'style'), 'paper', ) style, mapfile = templater.stylemap(styles, self.templatepath) if style == styles[0]: vars['style'] = style start = req.url[-1] == '?' and '&' or '?' sessionvars = webutil.sessionvars(vars, start) if not self.reponame: self.reponame = (self.config("web", "name") or req.env.get('REPO_NAME') or req.url.strip('/') or self.repo.root) def websubfilter(text): return websub(text, self.websubtable) # create the templater tmpl = templater.templater(mapfile, filters={"websub": websubfilter}, defaults={"url": req.url, "logourl": logourl, "logoimg": logoimg, "staticurl": staticurl, "urlbase": urlbase, "repo": self.reponame, "encoding": encoding.encoding, "motd": motd, "sessionvars": sessionvars, "pathdef": makebreadcrumb(req.url), "style": style, }) return tmpl def archivelist(self, nodeid): allowed = self.configlist("web", "allow_archive") for i, spec in self.archive_specs.iteritems(): if i in allowed or self.configbool("web", "allow" + i): yield {"type" : i, "extension" : spec[2], "node" : nodeid} archive_specs = { 'bz2': ('application/x-bzip2', 'tbz2', '.tar.bz2', None), 'gz': ('application/x-gzip', 'tgz', '.tar.gz', None), 'zip': ('application/zip', 'zip', '.zip', None), } def check_perm(self, req, op): for hook in permhooks: hook(self, req, op)