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cefpython/src/handlers/v8function_handler.pyx at cefpython54 · pythonthings/cefpython · GitHub
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cefpython
/
src
/
handlers
/
v8function_handler.pyx
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48 lines (46 loc) · 2.14 KB
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cefpython
/
src
/
handlers
/
v8function_handler.pyx
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#
Copyright (c) 2012-2014 The CEF Python authors. All rights reserved.
#
License: New BSD License.
#
Website: http://code.google.com/p/cefpython/
include
"
../cefpython.pyx
"
cdef public
void
V8FunctionHandler_Execute(
CefRefPtr[CefBrowser] cefBrowser,
CefRefPtr[CefFrame] cefFrame,
CefString
&
cefFunctionName,
CefRefPtr[CefListValue] cefFunctionArguments
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef PyFrame pyFrame
cdef py_string functionName
cdef
object
function
cdef
list
functionArguments
cdef
object
returnValue
cdef py_string jsErrorMessage
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
pyFrame
=
GetPyFrame(cefFrame)
functionName
=
CefToPyString(cefFunctionName)
Debug(
"
V8FunctionHandler_Execute(): functionName=
%s
"
%
functionName)
jsBindings
=
pyBrowser.GetJavascriptBindings()
function
=
jsBindings.GetFunctionOrMethod(functionName)
if
not
function:
#
The Renderer process already checks whether function
#
name is valid before calling V8FunctionHandler_Execute(),
#
but it is possible for the javascript bindings to change
#
during execution, so it's possible for the Browser/Renderer
#
bindings to be out of sync due to delay in process messaging.
jsErrorMessage
=
"
V8FunctionHandler_Execute() FAILED:
"
\
"
python function not found:
%s
"
%
functionName
Debug(jsErrorMessage)
#
Raise a javascript exception in that frame.
pyFrame.ExecuteJavascript(
"
throw '
%s
';
"
%
jsErrorMessage)
return
functionArguments
=
CefListValueToPyList(cefBrowser,
cefFunctionArguments)
returnValue
=
function(
*
functionArguments)
if
returnValue
is
not
None
:
Debug(
"
V8FunctionHandler_Execute() WARNING: function returned
"
\
"
value, but returning values to javascript is not
"
\
"
supported, functionName=
%s
"
%
functionName)
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
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