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utils.pyx
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# Copyright (c) 2012 CEF Python, see the Authors file.
# All rights reserved. Licensed under BSD 3-clause license.
# Project website: https://github.com/cztomczak/cefpython
include "cefpython.pyx"
# noinspection PyUnresolvedReferences
cimport cef_types
TID_UI = cef_types.TID_UI
TID_DB = cef_types.TID_DB
TID_FILE = cef_types.TID_FILE
TID_FILE_USER_BLOCKING = cef_types.TID_FILE_USER_BLOCKING
TID_PROCESS_LAUNCHER = cef_types.TID_PROCESS_LAUNCHER
TID_CACHE = cef_types.TID_CACHE
TID_IO = cef_types.TID_IO
TID_RENDERER = cef_types.TID_RENDERER
g_browserProcessThreads = [
TID_UI,
TID_DB,
TID_FILE,
TID_FILE_USER_BLOCKING,
TID_CACHE,
TID_IO,
]
cpdef py_bool IsString(object maybeString):
# In Python 2.7 string types are: 1) str/bytes 2) unicode.
# In Python 3 string types are: 1) bytes 2) str
if type(maybeString) == bytes or type(maybeString) == str \
or (PY_MAJOR_VERSION < 3 and type(maybeString) == unicode):
return True
return False
cpdef py_bool IsThread(int threadID):
return bool(CefCurrentlyOn(<CefThreadId>threadID))
# TODO: this function needs to accept unicode strings, use the
# logic from wxpython.py/ExceptHook to handle printing
# unicode strings and writing them to file (codecs.open).
# This change is required to work with Cython 0.20.
cpdef object Debug(py_string msg):
"""Print debug message. Will be shown only when settings.debug=True."""
# In Python 3 str or bytes may be passed
if type(msg) != str and type(msg) == bytes:
msg = msg.decode("utf-8", "replace")
# Convert to str in case other kind of object was passed
msg = str(msg)
msg = "[Browser process] " + msg
# CEF logging is initialized only after CEF was initialized.
# Otherwise the default is LOGSEVERITY_INFO and log_file is
# none.
if g_cef_initialized or g_debug:
cef_log_info(PyStringToChar(msg))
cdef void NonCriticalError(py_string msg) except *:
"""Notify about error gently. Does not terminate application."""
# In Python 3 str or bytes may be passed
if type(msg) != str and type(msg) == bytes:
msg = msg.decode("utf-8", "replace")
# Convert to str in case other kind of object was passed
msg = str(msg)
msg = "[Browser process] " + msg
cef_log_error(PyStringToChar(msg))
cpdef str GetSystemError():
IF UNAME_SYSNAME == "Windows":
cdef DWORD errorCode = GetLastError()
return "Error Code = %d" % errorCode
ELSE:
return ""
cpdef str GetNavigateUrl(py_string url):
# Encode local file paths so that CEF can load them correctly:
# | some.html, some/some.html, D:\, /var, file://
if re.search(r"^file:", url, re.I) or \
re.search(r"^[a-zA-Z]:", url) or \
not re.search(r"^[\w-]+:", url):
# Function pathname2url will complain if url starts with "file://".
# CEF may also change local urls to "file:///C:/" - three slashes.
is_file_protocol = False
file_prefix = ""
file_prefixes = ["file:///", "file://"]
for file_prefix in file_prefixes:
if url.startswith(file_prefix):
is_file_protocol = True
# Remove the file:// prefix
url = url[len(file_prefix):]
break
# Need to encode chinese characters in local file paths,
# otherwise CEF will try to encode them by itself. But it
# will fail in doing so. CEF will return the following string:
# >> %EF%BF%97%EF%BF%80%EF%BF%83%EF%BF%A6
# But it should be:
# >> %E6%A1%8C%E9%9D%A2
url = urllib_pathname2url(url)
if is_file_protocol:
url = "%s%s" % (file_prefix, url)
# If it is C:\ then colon was encoded. Decode it back.
url = re.sub(r"^([a-zA-Z])%3A", r"\1:", url)
# Allow hash when loading urls. The pathname2url function
# replaced hashes with "%23" (Issue #114).
url = url.replace("%23", "#")
# Allow more special characters when loading urls. The pathname2url
# function encoded them and need to decode them back here
# Characters: ? & = (Issue #273).
url = url.replace("%3F", "?")
url = url.replace("%26", "&")
url = url.replace("%3D", "=")
return str(url)
cpdef py_bool IsFunctionOrMethod(object valueType):
if (valueType == types.FunctionType
or valueType == types.MethodType
or valueType == types.BuiltinFunctionType
or valueType == types.BuiltinMethodType):
return True
return False