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cefpython/cefpython/web_request_cef3.pyx at v31.2 · pythonthings/cefpython · GitHub
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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/
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)))
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.uint64 current,
cef_types.uint64 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.uint64 current,
cef_types.uint64 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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