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-rw-r--r--plugins/proxy.py95
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