Mercurial > hg
view mercurial/hgweb/hgweb_mod.py @ 2582:276de216d2c5
Respect "Connection: close" headers sent by HTTP clients.
A HTTP client can indicate that it doesn't support (or doesn't want)
persistent connections by sending this header.
This not only makes the server more compliant with the RFC, but also
reduces the run time of test-http-proxy when run with python 2.3 from
~125s to ~5s (it doesn't affect it with python 2.4, which was already
~5s).
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
---|---|
date | Fri, 07 Jul 2006 14:33:51 -0300 |
parents | a20a1bb0c396 |
children | ffb895f16925 |
line wrap: on
line source
# hgweb/hgweb_mod.py - Web interface for a repository. # # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> # Copyright 2005 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 import os.path import mimetypes from mercurial.demandload import demandload demandload(globals(), "re zlib ConfigParser mimetools cStringIO sys tempfile") demandload(globals(), "mercurial:mdiff,ui,hg,util,archival,templater") demandload(globals(), "mercurial.hgweb.common:get_mtime,staticfile") from mercurial.node import * from mercurial.i18n import gettext as _ def _up(p): if p[0] != "/": p = "/" + p if p[-1] == "/": p = p[:-1] up = os.path.dirname(p) if up == "/": return "/" return up + "/" class hgweb(object): def __init__(self, repo, name=None): if type(repo) == type(""): self.repo = hg.repository(ui.ui(), repo) else: self.repo = repo self.mtime = -1 self.reponame = name self.archives = 'zip', 'gz', 'bz2' self.templatepath = self.repo.ui.config("web", "templates", templater.templatepath()) def refresh(self): mtime = get_mtime(self.repo.root) if mtime != self.mtime: self.mtime = mtime self.repo = hg.repository(self.repo.ui, self.repo.root) self.maxchanges = int(self.repo.ui.config("web", "maxchanges", 10)) self.maxfiles = int(self.repo.ui.config("web", "maxfiles", 10)) self.allowpull = self.repo.ui.configbool("web", "allowpull", True) def archivelist(self, nodeid): allowed = self.repo.ui.configlist("web", "allow_archive") for i in self.archives: if i in allowed or self.repo.ui.configbool("web", "allow" + i): yield {"type" : i, "node" : nodeid, "url": ""} def listfiles(self, files, mf): for f in files[:self.maxfiles]: yield self.t("filenodelink", node=hex(mf[f]), file=f) if len(files) > self.maxfiles: yield self.t("fileellipses") def listfilediffs(self, files, changeset): for f in files[:self.maxfiles]: yield self.t("filedifflink", node=hex(changeset), file=f) if len(files) > self.maxfiles: yield self.t("fileellipses") def siblings(self, siblings=[], rev=None, hiderev=None, **args): if not rev: rev = lambda x: "" siblings = [s for s in siblings if s != nullid] if len(siblings) == 1 and rev(siblings[0]) == hiderev: return for s in siblings: yield dict(node=hex(s), rev=rev(s), **args) def renamelink(self, fl, node): r = fl.renamed(node) if r: return [dict(file=r[0], node=hex(r[1]))] return [] def showtag(self, t1, node=nullid, **args): for t in self.repo.nodetags(node): yield self.t(t1, tag=t, **args) def diff(self, node1, node2, files): def filterfiles(filters, files): l = [x for x in files if x in filters] for t in filters: if t and t[-1] != os.sep: t += os.sep l += [x for x in files if x.startswith(t)] return l parity = [0] def diffblock(diff, f, fn): yield self.t("diffblock", lines=prettyprintlines(diff), parity=parity[0], file=f, filenode=hex(fn or nullid)) parity[0] = 1 - parity[0] def prettyprintlines(diff): for l in diff.splitlines(1): if l.startswith('+'): yield self.t("difflineplus", line=l) elif l.startswith('-'): yield self.t("difflineminus", line=l) elif l.startswith('@'): yield self.t("difflineat", line=l) else: yield self.t("diffline", line=l) r = self.repo cl = r.changelog mf = r.manifest change1 = cl.read(node1) change2 = cl.read(node2) mmap1 = mf.read(change1[0]) mmap2 = mf.read(change2[0]) date1 = util.datestr(change1[2]) date2 = util.datestr(change2[2]) modified, added, removed, deleted, unknown = r.changes(node1, node2) if files: modified, added, removed = map(lambda x: filterfiles(files, x), (modified, added, removed)) diffopts = self.repo.ui.diffopts() showfunc = diffopts['showfunc'] ignorews = diffopts['ignorews'] ignorewsamount = diffopts['ignorewsamount'] ignoreblanklines = diffopts['ignoreblanklines'] for f in modified: to = r.file(f).read(mmap1[f]) tn = r.file(f).read(mmap2[f]) yield diffblock(mdiff.unidiff(to, date1, tn, date2, f, showfunc=showfunc, ignorews=ignorews, ignorewsamount=ignorewsamount, ignoreblanklines=ignoreblanklines), f, tn) for f in added: to = None tn = r.file(f).read(mmap2[f]) yield diffblock(mdiff.unidiff(to, date1, tn, date2, f, showfunc=showfunc, ignorews=ignorews, ignorewsamount=ignorewsamount, ignoreblanklines=ignoreblanklines), f, tn) for f in removed: to = r.file(f).read(mmap1[f]) tn = None yield diffblock(mdiff.unidiff(to, date1, tn, date2, f, showfunc=showfunc, ignorews=ignorews, ignorewsamount=ignorewsamount, ignoreblanklines=ignoreblanklines), f, tn) def changelog(self, pos): def changenav(**map): def seq(factor, maxchanges=None): if maxchanges: yield maxchanges if maxchanges >= 20 and maxchanges <= 40: yield 50 else: yield 1 * factor yield 3 * factor for f in seq(factor * 10): yield f l = [] last = 0 for f in seq(1, self.maxchanges): if f < self.maxchanges or f <= last: continue if f > count: break last = f r = "%d" % f if pos + f < count: l.append(("+" + r, pos + f)) if pos - f >= 0: l.insert(0, ("-" + r, pos - f)) yield {"rev": 0, "label": "(0)"} for label, rev in l: yield {"label": label, "rev": rev} yield {"label": "tip", "rev": "tip"} def changelist(**map): parity = (start - end) & 1 cl = self.repo.changelog l = [] # build a list in forward order for efficiency for i in range(start, end): n = cl.node(i) changes = cl.read(n) hn = hex(n) l.insert(0, {"parity": parity, "author": changes[1], "parent": self.siblings(cl.parents(n), cl.rev, cl.rev(n) - 1), "child": self.siblings(cl.children(n), cl.rev, cl.rev(n) + 1), "changelogtag": self.showtag("changelogtag",n), "manifest": hex(changes[0]), "desc": changes[4], "date": changes[2], "files": self.listfilediffs(changes[3], n), "rev": i, "node": hn}) parity = 1 - parity for e in l: yield e cl = self.repo.changelog mf = cl.read(cl.tip())[0] count = cl.count() start = max(0, pos - self.maxchanges + 1) end = min(count, start + self.maxchanges) pos = end - 1 yield self.t('changelog', changenav=changenav, manifest=hex(mf), rev=pos, changesets=count, entries=changelist, archives=self.archivelist("tip")) def search(self, query): def changelist(**map): cl = self.repo.changelog count = 0 qw = query.lower().split() def revgen(): for i in range(cl.count() - 1, 0, -100): l = [] for j in range(max(0, i - 100), i): n = cl.node(j) changes = cl.read(n) l.append((n, j, changes)) l.reverse() for e in l: yield e for n, i, changes in revgen(): miss = 0 for q in qw: if not (q in changes[1].lower() or q in changes[4].lower() or q in " ".join(changes[3][:20]).lower()): miss = 1 break if miss: continue count += 1 hn = hex(n) yield self.t('searchentry', parity=count & 1, author=changes[1], parent=self.siblings(cl.parents(n), cl.rev), child=self.siblings(cl.children(n), cl.rev), changelogtag=self.showtag("changelogtag",n), manifest=hex(changes[0]), desc=changes[4], date=changes[2], files=self.listfilediffs(changes[3], n), rev=i, node=hn) if count >= self.maxchanges: break cl = self.repo.changelog mf = cl.read(cl.tip())[0] yield self.t('search', query=query, manifest=hex(mf), entries=changelist) def changeset(self, nodeid): cl = self.repo.changelog n = self.repo.lookup(nodeid) nodeid = hex(n) changes = cl.read(n) p1 = cl.parents(n)[0] files = [] mf = self.repo.manifest.read(changes[0]) for f in changes[3]: files.append(self.t("filenodelink", filenode=hex(mf.get(f, nullid)), file=f)) def diff(**map): yield self.diff(p1, n, None) yield self.t('changeset', diff=diff, rev=cl.rev(n), node=nodeid, parent=self.siblings(cl.parents(n), cl.rev), child=self.siblings(cl.children(n), cl.rev), changesettag=self.showtag("changesettag",n), manifest=hex(changes[0]), author=changes[1], desc=changes[4], date=changes[2], files=files, archives=self.archivelist(nodeid)) def filelog(self, f, filenode): cl = self.repo.changelog fl = self.repo.file(f) filenode = hex(fl.lookup(filenode)) count = fl.count() def entries(**map): l = [] parity = (count - 1) & 1 for i in range(count): n = fl.node(i) lr = fl.linkrev(n) cn = cl.node(lr) cs = cl.read(cl.node(lr)) l.insert(0, {"parity": parity, "filenode": hex(n), "filerev": i, "file": f, "node": hex(cn), "author": cs[1], "date": cs[2], "rename": self.renamelink(fl, n), "parent": self.siblings(fl.parents(n), fl.rev, file=f), "child": self.siblings(fl.children(n), fl.rev, file=f), "desc": cs[4]}) parity = 1 - parity for e in l: yield e yield self.t("filelog", file=f, filenode=filenode, entries=entries) def filerevision(self, f, node): fl = self.repo.file(f) n = fl.lookup(node) node = hex(n) text = fl.read(n) changerev = fl.linkrev(n) cl = self.repo.changelog cn = cl.node(changerev) cs = cl.read(cn) mfn = cs[0] mt = mimetypes.guess_type(f)[0] rawtext = text if util.binary(text): mt = mt or 'application/octet-stream' text = "(binary:%s)" % mt mt = mt or 'text/plain' def lines(): for l, t in enumerate(text.splitlines(1)): yield {"line": t, "linenumber": "% 6d" % (l + 1), "parity": l & 1} yield self.t("filerevision", file=f, filenode=node, path=_up(f), text=lines(), raw=rawtext, mimetype=mt, rev=changerev, node=hex(cn), manifest=hex(mfn), author=cs[1], date=cs[2], parent=self.siblings(fl.parents(n), fl.rev, file=f), child=self.siblings(fl.children(n), fl.rev, file=f), rename=self.renamelink(fl, n), permissions=self.repo.manifest.readflags(mfn)[f]) def fileannotate(self, f, node): bcache = {} ncache = {} fl = self.repo.file(f) n = fl.lookup(node) node = hex(n) changerev = fl.linkrev(n) cl = self.repo.changelog cn = cl.node(changerev) cs = cl.read(cn) mfn = cs[0] def annotate(**map): parity = 1 last = None for r, l in fl.annotate(n): try: cnode = ncache[r] except KeyError: cnode = ncache[r] = self.repo.changelog.node(r) try: name = bcache[r] except KeyError: cl = self.repo.changelog.read(cnode) bcache[r] = name = self.repo.ui.shortuser(cl[1]) if last != cnode: parity = 1 - parity last = cnode yield {"parity": parity, "node": hex(cnode), "rev": r, "author": name, "file": f, "line": l} yield self.t("fileannotate", file=f, filenode=node, annotate=annotate, path=_up(f), rev=changerev, node=hex(cn), manifest=hex(mfn), author=cs[1], date=cs[2], rename=self.renamelink(fl, n), parent=self.siblings(fl.parents(n), fl.rev, file=f), child=self.siblings(fl.children(n), fl.rev, file=f), permissions=self.repo.manifest.readflags(mfn)[f]) def manifest(self, mnode, path): man = self.repo.manifest mn = man.lookup(mnode) mnode = hex(mn) mf = man.read(mn) rev = man.rev(mn) changerev = man.linkrev(mn) node = self.repo.changelog.node(changerev) mff = man.readflags(mn) files = {} p = path[1:] if p and p[-1] != "/": p += "/" l = len(p) for f,n in mf.items(): if f[:l] != p: continue remain = f[l:] if "/" in remain: short = remain[:remain.index("/") + 1] # bleah files[short] = (f, None) else: short = os.path.basename(remain) files[short] = (f, n) def filelist(**map): parity = 0 fl = files.keys() fl.sort() for f in fl: full, fnode = files[f] if not fnode: continue yield {"file": full, "manifest": mnode, "filenode": hex(fnode), "parity": parity, "basename": f, "permissions": mff[full]} parity = 1 - parity def dirlist(**map): parity = 0 fl = files.keys() fl.sort() for f in fl: full, fnode = files[f] if fnode: continue yield {"parity": parity, "path": os.path.join(path, f), "manifest": mnode, "basename": f[:-1]} parity = 1 - parity yield self.t("manifest", manifest=mnode, rev=rev, node=hex(node), path=path, up=_up(path), fentries=filelist, dentries=dirlist, archives=self.archivelist(hex(node))) def tags(self): cl = self.repo.changelog mf = cl.read(cl.tip())[0] i = self.repo.tagslist() i.reverse() def entries(notip=False, **map): parity = 0 for k,n in i: if notip and k == "tip": continue yield {"parity": parity, "tag": k, "tagmanifest": hex(cl.read(n)[0]), "date": cl.read(n)[2], "node": hex(n)} parity = 1 - parity yield self.t("tags", manifest=hex(mf), entries=lambda **x: entries(False, **x), entriesnotip=lambda **x: entries(True, **x)) def summary(self): cl = self.repo.changelog mf = cl.read(cl.tip())[0] i = self.repo.tagslist() i.reverse() def tagentries(**map): parity = 0 count = 0 for k,n in i: if k == "tip": # skip tip continue; count += 1 if count > 10: # limit to 10 tags break; c = cl.read(n) m = c[0] t = c[2] yield self.t("tagentry", parity = parity, tag = k, node = hex(n), date = t, tagmanifest = hex(m)) parity = 1 - parity def changelist(**map): parity = 0 cl = self.repo.changelog l = [] # build a list in forward order for efficiency for i in range(start, end): n = cl.node(i) changes = cl.read(n) hn = hex(n) t = changes[2] l.insert(0, self.t( 'shortlogentry', parity = parity, author = changes[1], manifest = hex(changes[0]), desc = changes[4], date = t, rev = i, node = hn)) parity = 1 - parity yield l cl = self.repo.changelog mf = cl.read(cl.tip())[0] count = cl.count() start = max(0, count - self.maxchanges) end = min(count, start + self.maxchanges) yield self.t("summary", desc = self.repo.ui.config("web", "description", "unknown"), owner = (self.repo.ui.config("ui", "username") or # preferred self.repo.ui.config("web", "contact") or # deprecated self.repo.ui.config("web", "author", "unknown")), # also lastchange = (0, 0), # FIXME manifest = hex(mf), tags = tagentries, shortlog = changelist) def filediff(self, file, changeset): cl = self.repo.changelog n = self.repo.lookup(changeset) changeset = hex(n) p1 = cl.parents(n)[0] cs = cl.read(n) mf = self.repo.manifest.read(cs[0]) def diff(**map): yield self.diff(p1, n, [file]) yield self.t("filediff", file=file, filenode=hex(mf.get(file, nullid)), node=changeset, rev=self.repo.changelog.rev(n), parent=self.siblings(cl.parents(n), cl.rev), child=self.siblings(cl.children(n), cl.rev), diff=diff) archive_specs = { 'bz2': ('application/x-tar', 'tbz2', '.tar.bz2', None), 'gz': ('application/x-tar', 'tgz', '.tar.gz', None), 'zip': ('application/zip', 'zip', '.zip', None), } def archive(self, req, cnode, type_): reponame = re.sub(r"\W+", "-", os.path.basename(self.reponame)) name = "%s-%s" % (reponame, short(cnode)) mimetype, artype, extension, encoding = self.archive_specs[type_] headers = [('Content-type', mimetype), ('Content-disposition', 'attachment; filename=%s%s' % (name, extension))] if encoding: headers.append(('Content-encoding', encoding)) req.header(headers) archival.archive(self.repo, req.out, cnode, artype, prefix=name) # add tags to things # tags -> list of changesets corresponding to tags # find tag, changeset, file def cleanpath(self, path): p = util.normpath(path) if p[:2] == "..": raise Exception("suspicious path") return p 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 from request import wsgiapplication def make_web_app(): return self wsgicgi.launch(wsgiapplication(make_web_app)) def run_wsgi(self, req): def header(**map): header_file = cStringIO.StringIO(''.join(self.t("header", **map))) msg = mimetools.Message(header_file, 0) req.header(msg.items()) yield header_file.read() def rawfileheader(**map): req.header([('Content-type', map['mimetype']), ('Content-disposition', 'filename=%s' % map['file']), ('Content-length', str(len(map['raw'])))]) yield '' def footer(**map): yield self.t("footer", motd=self.repo.ui.config("web", "motd", ""), **map) def expand_form(form): shortcuts = { 'cl': [('cmd', ['changelog']), ('rev', None)], 'cs': [('cmd', ['changeset']), ('node', None)], 'f': [('cmd', ['file']), ('filenode', None)], 'fl': [('cmd', ['filelog']), ('filenode', None)], 'fd': [('cmd', ['filediff']), ('node', None)], 'fa': [('cmd', ['annotate']), ('filenode', None)], 'mf': [('cmd', ['manifest']), ('manifest', None)], 'ca': [('cmd', ['archive']), ('node', None)], 'tags': [('cmd', ['tags'])], 'tip': [('cmd', ['changeset']), ('node', ['tip'])], 'static': [('cmd', ['static']), ('file', None)] } for k in shortcuts.iterkeys(): if form.has_key(k): for name, value in shortcuts[k]: if value is None: value = form[k] form[name] = value del form[k] self.refresh() expand_form(req.form) m = os.path.join(self.templatepath, "map") style = self.repo.ui.config("web", "style", "") if req.form.has_key('style'): style = req.form['style'][0] if style: b = os.path.basename("map-" + style) p = os.path.join(self.templatepath, b) if os.path.isfile(p): m = p port = req.env["SERVER_PORT"] port = port != "80" and (":" + port) or "" uri = req.env["REQUEST_URI"] if "?" in uri: uri = uri.split("?")[0] url = "http://%s%s%s" % (req.env["SERVER_NAME"], port, uri) if not self.reponame: self.reponame = (self.repo.ui.config("web", "name") or uri.strip('/') or self.repo.root) self.t = templater.templater(m, templater.common_filters, defaults={"url": url, "repo": self.reponame, "header": header, "footer": footer, "rawfileheader": rawfileheader, }) if not req.form.has_key('cmd'): req.form['cmd'] = [self.t.cache['default'],] cmd = req.form['cmd'][0] method = getattr(self, 'do_' + cmd, None) if method: method(req) else: req.write(self.t("error")) def do_changelog(self, req): hi = self.repo.changelog.count() - 1 if req.form.has_key('rev'): hi = req.form['rev'][0] try: hi = self.repo.changelog.rev(self.repo.lookup(hi)) except hg.RepoError: req.write(self.search(hi)) # XXX redirect to 404 page? return req.write(self.changelog(hi)) def do_changeset(self, req): req.write(self.changeset(req.form['node'][0])) def do_manifest(self, req): req.write(self.manifest(req.form['manifest'][0], self.cleanpath(req.form['path'][0]))) def do_tags(self, req): req.write(self.tags()) def do_summary(self, req): req.write(self.summary()) def do_filediff(self, req): req.write(self.filediff(self.cleanpath(req.form['file'][0]), req.form['node'][0])) def do_file(self, req): req.write(self.filerevision(self.cleanpath(req.form['file'][0]), req.form['filenode'][0])) def do_annotate(self, req): req.write(self.fileannotate(self.cleanpath(req.form['file'][0]), req.form['filenode'][0])) def do_filelog(self, req): req.write(self.filelog(self.cleanpath(req.form['file'][0]), req.form['filenode'][0])) def do_heads(self, req): resp = " ".join(map(hex, self.repo.heads())) + "\n" req.httphdr("application/mercurial-0.1", length=len(resp)) req.write(resp) def do_branches(self, req): nodes = [] if req.form.has_key('nodes'): nodes = map(bin, req.form['nodes'][0].split(" ")) resp = cStringIO.StringIO() for b in self.repo.branches(nodes): resp.write(" ".join(map(hex, b)) + "\n") resp = resp.getvalue() req.httphdr("application/mercurial-0.1", length=len(resp)) req.write(resp) def do_between(self, req): nodes = [] if req.form.has_key('pairs'): pairs = [map(bin, p.split("-")) for p in req.form['pairs'][0].split(" ")] resp = cStringIO.StringIO() for b in self.repo.between(pairs): resp.write(" ".join(map(hex, b)) + "\n") resp = resp.getvalue() req.httphdr("application/mercurial-0.1", length=len(resp)) req.write(resp) def do_changegroup(self, req): req.httphdr("application/mercurial-0.1") nodes = [] if not self.allowpull: return if req.form.has_key('roots'): nodes = map(bin, req.form['roots'][0].split(" ")) z = zlib.compressobj() f = self.repo.changegroup(nodes, 'serve') while 1: chunk = f.read(4096) if not chunk: break req.write(z.compress(chunk)) req.write(z.flush()) def do_archive(self, req): changeset = self.repo.lookup(req.form['node'][0]) type_ = req.form['type'][0] allowed = self.repo.ui.configlist("web", "allow_archive") if (type_ in self.archives and (type_ in allowed or self.repo.ui.configbool("web", "allow" + type_, False))): self.archive(req, changeset, type_) return req.write(self.t("error")) def do_static(self, req): fname = req.form['file'][0] static = self.repo.ui.config("web", "static", os.path.join(self.templatepath, "static")) req.write(staticfile(static, fname, req) or self.t("error", error="%r not found" % fname)) def do_capabilities(self, req): resp = 'unbundle' req.httphdr("application/mercurial-0.1", length=len(resp)) req.write(resp) def check_perm(self, req, op, default): '''check permission for operation based on user auth. return true if op allowed, else false. default is policy to use if no config given.''' user = req.env.get('REMOTE_USER') deny = self.repo.ui.configlist('web', 'deny_' + op) if deny and (not user or deny == ['*'] or user in deny): return False allow = self.repo.ui.configlist('web', 'allow_' + op) return (allow and (allow == ['*'] or user in allow)) or default def do_unbundle(self, req): def bail(response, headers={}): length = int(req.env['CONTENT_LENGTH']) for s in util.filechunkiter(req, limit=length): # drain incoming bundle, else client will not see # response when run outside cgi script pass req.httphdr("application/mercurial-0.1", headers=headers) req.write('0\n') req.write(response) # require ssl by default, auth info cannot be sniffed and # replayed ssl_req = self.repo.ui.configbool('web', 'push_ssl', True) if ssl_req and not req.env.get('HTTPS'): bail(_('ssl required\n')) return # do not allow push unless explicitly allowed if not self.check_perm(req, 'push', False): bail(_('push not authorized\n'), headers={'status': '401 Unauthorized'}) return req.httphdr("application/mercurial-0.1") their_heads = req.form['heads'][0].split(' ') def check_heads(): heads = map(hex, self.repo.heads()) return their_heads == [hex('force')] or their_heads == heads # fail early if possible if not check_heads(): bail(_('unsynced changes\n')) return # do not lock repo until all changegroup data is # streamed. save to temporary file. fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') fp = os.fdopen(fd, 'wb+') try: length = int(req.env['CONTENT_LENGTH']) for s in util.filechunkiter(req, limit=length): fp.write(s) lock = self.repo.lock() try: if not check_heads(): req.write('0\n') req.write(_('unsynced changes\n')) return fp.seek(0) # send addchangegroup output to client old_stdout = sys.stdout sys.stdout = cStringIO.StringIO() try: ret = self.repo.addchangegroup(fp, 'serve') finally: val = sys.stdout.getvalue() sys.stdout = old_stdout req.write('%d\n' % ret) req.write(val) finally: lock.release() finally: fp.close() os.unlink(tempname)