diff options
| -rw-r--r-- | plugins/proxy.py | 95 |
1 files changed, 81 insertions, 14 deletions
diff --git a/plugins/proxy.py b/plugins/proxy.py index 6a7847fbe..ea0ca9646 100644 --- a/plugins/proxy.py +++ b/plugins/proxy.py @@ -107,8 +107,8 @@ class _IkiWikiExtPluginXMLRPCHandler(object): if ret is not None: return ret - def send_rpc(self, cmd, in_fd, out_fd, **kwargs): - xml = xmlrpclib.dumps(sum(kwargs.iteritems(), ()), cmd) + def send_rpc(self, cmd, in_fd, out_fd, *args, **kwargs): + xml = xmlrpclib.dumps(sum(kwargs.iteritems(), args), cmd) self._debug_fn("calling ikiwiki procedure `%s': [%s]" % (cmd, xml)) _IkiWikiExtPluginXMLRPCHandler._write(out_fd, xml) @@ -120,7 +120,7 @@ class _IkiWikiExtPluginXMLRPCHandler(object): # ikiwiki is going down return None - data = xmlrpclib.loads(xml)[0] + data = xmlrpclib.loads(xml)[0][0] self._debug_fn('parsed data from response to procedure %s: [%s]' % (cmd, data)) return data @@ -153,6 +153,8 @@ class IkiWikiProcedureProxy(object): self._in_fd = in_fd self._out_fd = out_fd self._hooks = list() + self._functions = list() + self._imported = False if debug_fn is not None: self._debug_fn = debug_fn else: @@ -160,10 +162,28 @@ class IkiWikiProcedureProxy(object): self._xmlrpc_handler = _IkiWikiExtPluginXMLRPCHandler(self._debug_fn) self._xmlrpc_handler.register_function(self._importme, name='import') + def rpc(self, cmd, *args, **kwargs): + def subst_none(seq): + for i in seq: + if i is None: + yield IkiWikiProcedureProxy._IKIWIKI_NIL_SENTINEL + else: + yield i + + args = list(subst_none(args)) + kwargs = dict(zip(kwargs.keys(), list(subst_none(kwargs.itervalues())))) + ret = self._xmlrpc_handler.send_rpc(cmd, self._in_fd, self._out_fd, + *args, **kwargs) + if ret == IkiWikiProcedureProxy._IKIWIKI_NIL_SENTINEL: + ret = None + return ret + def hook(self, type, function, name=None, last=False): + if self._imported: + raise IkiWikiProcedureProxy.AlreadyImported + if name is None: name = function.__name__ - self._hooks.append((type, name, last)) def hook_proxy(*args): # curpage = args[0] @@ -178,16 +198,49 @@ class IkiWikiProcedureProxy(object): ret = IkiWikiProcedureProxy._IKIWIKI_NIL_SENTINEL return ret + self._hooks.append((type, name, last)) self._xmlrpc_handler.register_function(hook_proxy, name=name) - def _importme(self): - self._debug_fn('importing...') - for type, function, last in self._hooks: - self._debug_fn('hooking %s into %s chain...' % (function, type)) - self._xmlrpc_handler.send_rpc('hook', self._in_fd, self._out_fd, - id=self._id, type=type, call=function, - last=last) - return IkiWikiProcedureProxy._IKIWIKI_NIL_SENTINEL + def inject(self, rname, function, name=None, memoize=True): + if self._imported: + raise IkiWikiProcedureProxy.AlreadyImported + + if name is None: + name = function.__name__ + + self._functions.append((rname, name, memoize)) + self._xmlrpc_handler.register_function(function, name=name) + + def getargv(self): + return self.rpc('getargv') + + def setargv(self, argv): + return self.rpc('setargv', argv) + + def getvar(self, hash, key): + return self.rpc('getvar', hash, key) + + def setvar(self, hash, key, value): + return self.rpc('setvar', hash, key, value) + + def getstate(self, page, id, key): + return self.rpc('getstate', page, id, key) + + def setstate(self, page, id, key, value): + return self.rpc('setstate', page, id, key, value) + + def pagespec_match(self, spec): + return self.rpc('pagespec_match', spec) + + def error(self, msg): + try: + self.rpc('error', msg) + except IOError, e: + if e.errno != 32: + raise + + import posix + sys.exit(posix.EX_SOFTWARE) def run(self): try: @@ -197,11 +250,25 @@ class IkiWikiProcedureProxy(object): return time.sleep(IkiWikiProcedureProxy._LOOP_DELAY) except Exception, e: - print >>sys.stderr, 'uncaught exception: %s' % e import traceback - print >>sys.stderr, traceback.format_exc(sys.exc_info()[2]) + self.error('uncaught exception: %s\n%s' \ + % (e, traceback.format_exc(sys.exc_info()[2]))) import posix sys.exit(posix.EX_SOFTWARE) + def _importme(self): + self._debug_fn('importing...') + for type, function, last in self._hooks: + self._debug_fn('hooking %s into %s chain...' % (function, type)) + self.rpc('hook', id=self._id, type=type, call=function, last=last) + for rname, function, memoize in self._functions: + self._debug_fn('injecting %s as %s...' % (function, rname)) + self.rpc('inject', name=rname, call=function, memoize=memoize) + self._imported = True + return IkiWikiProcedureProxy._IKIWIKI_NIL_SENTINEL + class InvalidReturnValue(Exception): pass + + class AlreadyImported(Exception): + pass |