iframe-proxy | Sunbelt Computer Software

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# License: New BSD License.

# Website: http://code.google.com/p/cefpython/

include "cefpython.pyx"

import weakref

cdef object g_pyWebRequests = weakref.WeakValueDictionary()

cdef int g_webRequestMaxId = 0

# -----------------------------------------------------------------------------

# WebRequest

# -----------------------------------------------------------------------------

# Static methods are not allowed in cdef classes,

# that's why we need a wrapper for PyWebRequest.

class WebRequest:

Status = {

"Unknown": cef_types.UR_UNKNOWN,

"Success": cef_types.UR_SUCCESS,

"Pending": cef_types.UR_IO_PENDING,

"Canceled": cef_types.UR_CANCELED,

"Failed": cef_types.UR_FAILED,

}

def __init__(self):

raise Exception("You cannot instantiate WebRequest directly, "

"use WebRequest.CreateWebRequest() static method")

@staticmethod

def ValidateClient(webRequestClient):

cdef list methods = ["OnRequestComplete", "OnUploadProgress",

"OnDownloadProgress", "OnDownloadData"]

for method in methods:

if webRequestClient and hasattr(webRequestClient, method) \

and callable(getattr(webRequestClient, method)):

# Okay.

continue

else:

raise Exception("WebRequestClient object is missing method: " \

"%s" % method)

@staticmethod

def Create(request, webRequestClient):

if not isinstance(request, PyRequest):

raise Exception("Invalid request object")

WebRequest.ValidateClient(webRequestClient)

return CreatePyWebRequest(request, webRequestClient)

# -----------------------------------------------------------------------------

# PyWebRequest

# -----------------------------------------------------------------------------

cdef PyWebRequest CreatePyWebRequest(PyRequest request,

object webRequestClient):

global g_pyWebRequests

cdef PyWebRequest webRequest = PyWebRequest(request, webRequestClient)

assert webRequest.webRequestId, "webRequest.webRequestId empty"

g_pyWebRequests[webRequest.webRequestId] = webRequest

return webRequest

cdef PyWebRequest GetPyWebRequest(int webRequestId):

global g_pyWebRequests

if webRequestId in g_pyWebRequests:

return g_pyWebRequests[webRequestId]

return None

cdef class PyWebRequest:

cdef object __weakref__ # see g_pyWebRequests

cdef int webRequestId

cdef CefRefPtr[CefURLRequest] cefWebRequest

cdef object pyWebRequestClient

def __init__(self, PyRequest pyRequest, object pyWebRequestClient):

global g_webRequestMaxId

g_webRequestMaxId += 1

self.webRequestId = g_webRequestMaxId

cdef CefRefPtr[WebRequestClient] cppWebRequestClient = (

<CefRefPtr[WebRequestClient]?>new WebRequestClient(

self.webRequestId))

self.pyWebRequestClient = pyWebRequestClient

self.cefWebRequest = <CefRefPtr[CefURLRequest]?>(CefURLRequest_Create(

pyRequest.cefRequest,

<CefRefPtr[CefURLRequestClient]?>cppWebRequestClient,

<CefRefPtr[CefRequestContext]?>NULL))

cdef object GetCallback(self, str funcName):

if hasattr(self.pyWebRequestClient, funcName) and (

callable(getattr(self.pyWebRequestClient, funcName))):

return getattr(self.pyWebRequestClient, funcName)

cpdef PyRequest GetRequest(self):

cdef CefRefPtr[CefRequest] cefRequest = \

self.cefWebRequest.get().GetRequest()

cdef PyRequest pyRequest = CreatePyRequest(cefRequest)

return pyRequest

cpdef int GetRequestStatus(self) except *:

return self.cefWebRequest.get().GetRequestStatus()

cpdef int GetRequestError(self) except *:

return self.cefWebRequest.get().GetRequestError()

cpdef PyResponse GetResponse(self):

cdef CefRefPtr[CefResponse] cefResponse = \

self.cefWebRequest.get().GetResponse()

cdef PyResponse pyResponse

# CefResponse may be NULL.

if cefResponse.get():

pyResponse = CreatePyResponse(cefResponse)

return pyResponse

return None

cpdef py_void Cancel(self):

self.cefWebRequest.get().Cancel()

# -----------------------------------------------------------------------------

# WebRequestClient

# -----------------------------------------------------------------------------

cdef public void WebRequestClient_OnUploadProgress(

int webRequestId,

CefRefPtr[CefURLRequest] cefWebRequest,

cef_types.int64 current,

cef_types.int64 total

) except * with gil:

cdef PyWebRequest webRequest

cdef object userCallback

try:

webRequest = GetPyWebRequest(webRequestId)

if webRequest:

userCallback = webRequest.GetCallback("OnUploadProgress")

if userCallback:

userCallback(webRequest, current, total)

except:

(exc_type, exc_value, exc_trace) = sys.exc_info()

sys.excepthook(exc_type, exc_value, exc_trace)

cdef public void WebRequestClient_OnDownloadProgress(

int webRequestId,

CefRefPtr[CefURLRequest] cefWebRequest,

cef_types.int64 current,

cef_types.int64 total

) except * with gil:

cdef PyWebRequest webRequest

cdef object userCallback

try:

webRequest = GetPyWebRequest(webRequestId)

if webRequest:

userCallback = webRequest.GetCallback("OnDownloadProgress")

if userCallback:

userCallback(webRequest, current, total)

except:

(exc_type, exc_value, exc_trace) = sys.exc_info()

sys.excepthook(exc_type, exc_value, exc_trace)

cdef public void WebRequestClient_OnDownloadData(

int webRequestId,

CefRefPtr[CefURLRequest] cefWebRequest,

const void* data,

size_t dataLength

) except * with gil:

cdef PyWebRequest webRequest

cdef object userCallback

try:

webRequest = GetPyWebRequest(webRequestId)

if webRequest:

userCallback = webRequest.GetCallback("OnDownloadData")

if userCallback:

userCallback(webRequest, VoidPtrToString(data, dataLength))

except:

(exc_type, exc_value, exc_trace) = sys.exc_info()

sys.excepthook(exc_type, exc_value, exc_trace)

cdef public void WebRequestClient_OnRequestComplete(

int webRequestId,

CefRefPtr[CefURLRequest] cefWebRequest

) except * with gil:

cdef PyWebRequest webRequest

cdef object userCallback

try:

webRequest = GetPyWebRequest(webRequestId)

if webRequest:

userCallback = webRequest.GetCallback("OnRequestComplete")

if userCallback:

userCallback(webRequest)

except:

(exc_type, exc_value, exc_trace) = sys.exc_info()

sys.excepthook(exc_type, exc_value, exc_trace)

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