def _auto_detect_fun(self, text):
for enc in (self._DEFAULT_ENCODING, 'utf-8', 'cp1252'):
try:
text.decode(enc)
except UnicodeError:
continue
return resolve_encoding(enc)
def _auto_detect_fun(self, text):
for enc in (self._DEFAULT_ENCODING, 'utf-8', 'cp1252'):
try:
text.decode(enc)
except UnicodeError:
continue
return resolve_encoding(enc)
def _auto_detect_fun(self, text):
for enc in (self._DEFAULT_ENCODING, 'utf-8', 'cp1252'):
try:
text.decode(enc)
except UnicodeError:
continue
# print('!!!!!!!!', enc)
return resolve_encoding(
enc) # todo, whats? how do you kill my encoding?
def _detect_encoding(bytestring, default_encoding='utf-8'):
# NOTE: alternatively `UnicodeDammit(x).originalEncoding`
# NOTE: alternatively use scrapy.http.TextResponse().text
encoding = chardet.detect(bytestring).get('encoding')
if encoding:
# TODO: `resolve_encoding`?
return resolve_encoding(encoding)
else:
return default_encoding
def _auto_detect_fun(self, text):
for enc in (self._DEFAULT_ENCODING, 'utf-8', 'ascii', 'GB18030'):
try:
text.decode(enc)
except UnicodeError:
continue
return resolve_encoding(enc)
#detect by chardet by wsy
cc = chardet.detect(text)
if cc is None:
return
enc = cc.get('encoding', None)
if enc is None:
return
try:
text.decode(enc)
except:
return None
else:
return resolve_encoding(enc)
def test_process_response_no_content_type_header(self):
headers = {
'Content-Encoding': 'identity',
}
plainbody = b"""<html><head><title>Some page</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312">"""
respcls = responsetypes.from_args(url="http://www.example.com/index", headers=headers, body=plainbody)
response = respcls("http://www.example.com/index", headers=headers, body=plainbody)
request = Request("http://www.example.com/index")
newresponse = self.mw.process_response(request, response, self.spider)
assert isinstance(newresponse, respcls)
self.assertEqual(newresponse.body, plainbody)
self.assertEqual(newresponse.encoding, resolve_encoding('gb2312'))
def test_process_response_no_content_type_header(self):
headers = {
'Content-Encoding': 'identity',
}
plainbody = b"""<html><head><title>Some page</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312">"""
respcls = responsetypes.from_args(url="http://www.example.com/index", headers=headers, body=plainbody)
response = respcls("http://www.example.com/index", headers=headers, body=plainbody)
request = Request("http://www.example.com/index")
newresponse = self.mw.process_response(request, response, self.spider)
assert isinstance(newresponse, respcls)
self.assertEqual(newresponse.body, plainbody)
self.assertEqual(newresponse.encoding, resolve_encoding('gb2312'))
def test_process_response_force_recalculate_encoding(self):
headers = {
'Content-Type': 'text/html',
'Content-Encoding': 'gzip',
}
f = BytesIO()
plainbody = b"""<html><head><title>Some page</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312">"""
zf = GzipFile(fileobj=f, mode='wb')
zf.write(plainbody)
zf.close()
response = HtmlResponse("http;//www.example.com/page.html", headers=headers, body=f.getvalue())
request = Request("http://www.example.com/")
newresponse = self.mw.process_response(request, response, self.spider)
assert isinstance(newresponse, HtmlResponse)
self.assertEqual(newresponse.body, plainbody)
self.assertEqual(newresponse.encoding, resolve_encoding('gb2312'))
def test_process_response_force_recalculate_encoding(self):
headers = {
'Content-Type': 'text/html',
'Content-Encoding': 'gzip',
}
f = BytesIO()
plainbody = b"""<html><head><title>Some page</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312">"""
zf = GzipFile(fileobj=f, mode='wb')
zf.write(plainbody)
zf.close()
response = HtmlResponse("http;//www.example.com/page.html", headers=headers, body=f.getvalue())
request = Request("http://www.example.com/")
newresponse = self.mw.process_response(request, response, self.spider)
assert isinstance(newresponse, HtmlResponse)
self.assertEqual(newresponse.body, plainbody)
self.assertEqual(newresponse.encoding, resolve_encoding('gb2312'))
def test_process_response_encoding_inside_body(self):
headers = {
'Content-Type': 'text/html',
'Content-Encoding': 'gzip',
}
f = BytesIO()
plainbody = (
b'<html><head><title>Some page</title>'
b'<meta http-equiv="Content-Type" content="text/html; charset=gb2312">'
)
zf = GzipFile(fileobj=f, mode='wb')
zf.write(plainbody)
zf.close()
response = Response("http;//www.example.com/",
headers=headers,
body=f.getvalue())
request = Request("http://www.example.com/")
newresponse = self.mw.process_response(request, response, self.spider)
assert isinstance(newresponse, HtmlResponse)
self.assertEqual(newresponse.body, plainbody)
self.assertEqual(newresponse.encoding, resolve_encoding('gb2312'))
self.assertStatsEqual('httpcompression/response_count', 1)
self.assertStatsEqual('httpcompression/response_bytes', 104)
def _assert_response_encoding(self, response, encoding):
self.assertEqual(response.encoding, resolve_encoding(encoding))
def _assert_response_encoding(self, response, encoding):
self.assertEqual(response.encoding, resolve_encoding(encoding))
def test_resolve_encoding(self):
self.assertEqual(resolve_encoding('latin1'), 'cp1252')
self.assertEqual(resolve_encoding(' Latin-1'), 'cp1252')
self.assertEqual(resolve_encoding('gb_2312-80'), 'gb18030')
self.assertEqual(resolve_encoding('unknown encoding'), None)
def test_resolve_encoding(self):
self.assertEqual(resolve_encoding('latin1'), 'cp1252')
self.assertEqual(resolve_encoding(' Latin-1'), 'cp1252')
self.assertEqual(resolve_encoding('gb_2312-80'), 'gb18030')
self.assertEqual(resolve_encoding('unknown encoding'), None)
def test_resolve_encoding(self):
self.assertEqual(resolve_encoding("latin1"), "cp1252")
self.assertEqual(resolve_encoding(" Latin-1"), "cp1252")
self.assertEqual(resolve_encoding("gb_2312-80"), "gb18030")
self.assertEqual(resolve_encoding("unknown encoding"), None)
