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Description:
def if_unmodified_since(self) -> Optional[datetime.datetime]: """The value of If-Unmodified-Since HTTP header, or None. This header is represented as a `datetime`... |
return self._http_date(self.headers.get(hdrs.IF_UNMODIFIED_SINCE)) |
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def if_range(self) -> Optional[datetime.datetime]: """The value of If-Range HTTP header, or None. This header is represented as a `datetime` object. """ |
return self._http_date(self.headers.get(hdrs.IF_RANGE)) |
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def cookies(self) -> Mapping[str, str]: """Return request cookies. A read-only dictionary-like object. """ |
raw = self.headers.get(hdrs.COOKIE, '')
parsed = SimpleCookie(raw)
return MappingProxyType(
{key: val.value for key, val in parsed.items()}) |
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def http_range(self) -> slice: """The content of Range HTTP header. Return a slice instance. """ |
rng = self._headers.get(hdrs.RANGE)
start, end = None, None
if rng is not None:
try:
pattern = r'^bytes=(\d*)-(\d*)$'
start, end = re.findall(pattern, rng)[0]
except IndexError: # pattern was not found in header
raise Valu... |
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def has_body(self) -> bool: """Return True if request's HTTP BODY can be read, False otherwise.""" |
warnings.warn(
"Deprecated, use .can_read_body #2005",
DeprecationWarning, stacklevel=2)
return not self._payload.at_eof() |
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async def read(self) -> bytes: """Read request body if present. Returns bytes object with full request content. """ |
if self._read_bytes is None:
body = bytearray()
while True:
chunk = await self._payload.readany()
body.extend(chunk)
if self._client_max_size:
body_size = len(body)
if body_size >= self._client_max_s... |
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async def text(self) -> str: """Return BODY as text using encoding from .charset.""" |
bytes_body = await self.read()
encoding = self.charset or 'utf-8'
return bytes_body.decode(encoding) |
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async def json(self, *, loads: JSONDecoder=DEFAULT_JSON_DECODER) -> Any: """Return BODY as JSON.""" |
body = await self.text()
return loads(body) |
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async def post(self) -> 'MultiDictProxy[Union[str, bytes, FileField]]': """Return POST parameters.""" |
if self._post is not None:
return self._post
if self._method not in self.POST_METHODS:
self._post = MultiDictProxy(MultiDict())
return self._post
content_type = self.content_type
if (content_type not in ('',
'applicat... |
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async def shutdown(self, timeout: Optional[float]=15.0) -> None: """Worker process is about to exit, we need cleanup everything and stop accepting requests. It is... |
self._force_close = True
if self._keepalive_handle is not None:
self._keepalive_handle.cancel()
if self._waiter:
self._waiter.cancel()
# wait for handlers
with suppress(asyncio.CancelledError, asyncio.TimeoutError):
with CeilTimeout(timeout... |
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def keep_alive(self, val: bool) -> None: """Set keep-alive connection mode. :param bool val: new state. """ |
self._keepalive = val
if self._keepalive_handle:
self._keepalive_handle.cancel()
self._keepalive_handle = None |
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def close(self) -> None: """Stop accepting new pipelinig messages and close connection when handlers done processing messages""" |
self._close = True
if self._waiter:
self._waiter.cancel() |
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def force_close(self) -> None: """Force close connection""" |
self._force_close = True
if self._waiter:
self._waiter.cancel()
if self.transport is not None:
self.transport.close()
self.transport = None |
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def iter_chunked(self, n: int) -> AsyncStreamIterator[bytes]: """Returns an asynchronous iterator that yields chunks of size n. Python-3.5 available for Python 3.... |
return AsyncStreamIterator(lambda: self.read(n)) |
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def unread_data(self, data: bytes) -> None: """ rollback reading some data from stream, inserting it to buffer head. """ |
warnings.warn("unread_data() is deprecated "
"and will be removed in future releases (#3260)",
DeprecationWarning,
stacklevel=2)
if not data:
return
if self._buffer_offset:
self._buffer[0] = self._buffer[... |
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def _read_nowait(self, n: int) -> bytes: """ Read not more than n bytes, or whole buffer is n == -1 """ |
chunks = []
while self._buffer:
chunk = self._read_nowait_chunk(n)
chunks.append(chunk)
if n != -1:
n -= len(chunk)
if n == 0:
break
return b''.join(chunks) if chunks else b'' |
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async def send(self, *args, **kwargs):
""" Sends data to all registered receivers. """ |
if not self.frozen:
raise RuntimeError("Cannot send non-frozen signal.")
for receiver in self:
await receiver(*args, **kwargs) |
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def compile_format(self, log_format: str) -> Tuple[str, List[KeyMethod]]: """Translate log_format into form usable by modulo formatting All known atoms will be re... |
# list of (key, method) tuples, we don't use an OrderedDict as users
# can repeat the same key more than once
methods = list()
for atom in self.FORMAT_RE.findall(log_format):
if atom[1] == '':
format_key1 = self.LOG_FORMAT_MAP[atom[0]]
m = ge... |
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async def write(self, chunk: bytes, *, drain: bool=True, LIMIT: int=0x10000) -> None: """Writes chunk of data to a stream. write_eof() indicates end of stream. wr... |
if self._on_chunk_sent is not None:
await self._on_chunk_sent(chunk)
if self._compress is not None:
chunk = self._compress.compress(chunk)
if not chunk:
return
if self.length is not None:
chunk_len = len(chunk)
if sel... |
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def netrc_from_env() -> Optional[netrc.netrc]: """Attempt to load the netrc file from the path specified by the env-var NETRC or in the default location in the us... |
netrc_env = os.environ.get('NETRC')
if netrc_env is not None:
netrc_path = Path(netrc_env)
else:
try:
home_dir = Path.home()
except RuntimeError as e: # pragma: no cover
# if pathlib can't resolve home, it may raise a RuntimeError
client_logger.... |
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def parse_mimetype(mimetype: str) -> MimeType: """Parses a MIME type into its components. mimetype is a MIME type string. Returns a MimeType object. Example: Mime... |
if not mimetype:
return MimeType(type='', subtype='', suffix='',
parameters=MultiDictProxy(MultiDict()))
parts = mimetype.split(';')
params = MultiDict() # type: MultiDict[str]
for item in parts[1:]:
if not item:
continue
key, value = cast(T... |
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def decode(cls, auth_header: str, encoding: str='latin1') -> 'BasicAuth': """Create a BasicAuth object from an Authorization HTTP header.""" |
try:
auth_type, encoded_credentials = auth_header.split(' ', 1)
except ValueError:
raise ValueError('Could not parse authorization header.')
if auth_type.lower() != 'basic':
raise ValueError('Unknown authorization method %s' % auth_type)
try:
... |
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def from_url(cls, url: URL, *, encoding: str='latin1') -> Optional['BasicAuth']: """Create BasicAuth from url.""" |
if not isinstance(url, URL):
raise TypeError("url should be yarl.URL instance")
if url.user is None:
return None
return cls(url.user, url.password or '', encoding=encoding) |
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def encode(self) -> str: """Encode credentials.""" |
creds = ('%s:%s' % (self.login, self.password)).encode(self.encoding)
return 'Basic %s' % base64.b64encode(creds).decode(self.encoding) |
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def content_type(self) -> str: """The value of content part for Content-Type HTTP header.""" |
raw = self._headers.get(hdrs.CONTENT_TYPE) # type: ignore
if self._stored_content_type != raw:
self._parse_content_type(raw)
return self._content_type |
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def charset(self) -> Optional[str]: """The value of charset part for Content-Type HTTP header.""" |
raw = self._headers.get(hdrs.CONTENT_TYPE) # type: ignore
if self._stored_content_type != raw:
self._parse_content_type(raw)
return self._content_dict.get('charset') |
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def content_length(self) -> Optional[int]: """The value of Content-Length HTTP header.""" |
content_length = self._headers.get(hdrs.CONTENT_LENGTH) # type: ignore
if content_length is not None:
return int(content_length)
else:
return None |
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def request(self, method: str, url: StrOrURL, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP request.""" |
return _RequestContextManager(self._request(method, url, **kwargs)) |
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def _prepare_headers( self, headers: Optional[LooseHeaders]) -> 'CIMultiDict[str]': """ Add default headers and transform it to CIMultiDict """ |
# Convert headers to MultiDict
result = CIMultiDict(self._default_headers)
if headers:
if not isinstance(headers, (MultiDictProxy, MultiDict)):
headers = CIMultiDict(headers)
added_names = set() # type: Set[str]
for key, value in headers.item... |
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def get(self, url: StrOrURL, *, allow_redirects: bool=True, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP GET request.""" |
return _RequestContextManager(
self._request(hdrs.METH_GET, url,
allow_redirects=allow_redirects,
**kwargs)) |
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def options(self, url: StrOrURL, *, allow_redirects: bool=True, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP OPTIONS request.""" |
return _RequestContextManager(
self._request(hdrs.METH_OPTIONS, url,
allow_redirects=allow_redirects,
**kwargs)) |
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def head(self, url: StrOrURL, *, allow_redirects: bool=False, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP HEAD request.""" |
return _RequestContextManager(
self._request(hdrs.METH_HEAD, url,
allow_redirects=allow_redirects,
**kwargs)) |
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def post(self, url: StrOrURL, *, data: Any=None, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP POST request.""" |
return _RequestContextManager(
self._request(hdrs.METH_POST, url,
data=data,
**kwargs)) |
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def put(self, url: StrOrURL, *, data: Any=None, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP PUT request.""" |
return _RequestContextManager(
self._request(hdrs.METH_PUT, url,
data=data,
**kwargs)) |
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def patch(self, url: StrOrURL, *, data: Any=None, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP PATCH request.""" |
return _RequestContextManager(
self._request(hdrs.METH_PATCH, url,
data=data,
**kwargs)) |
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def delete(self, url: StrOrURL, **kwargs: Any) -> '_RequestContextManager': """Perform HTTP DELETE request.""" |
return _RequestContextManager(
self._request(hdrs.METH_DELETE, url,
**kwargs)) |
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async def close(self) -> None: """Close underlying connector. Release all acquired resources. """ |
if not self.closed:
if self._connector is not None and self._connector_owner:
await self._connector.close()
self._connector = None |
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def requote_redirect_url(self, val: bool) -> None: """Do URL requoting on redirection handling.""" |
warnings.warn("session.requote_redirect_url modification "
"is deprecated #2778",
DeprecationWarning,
stacklevel=2)
self._requote_redirect_url = val |
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async def next(self) -> Any: """Emits next multipart reader object.""" |
item = await self.stream.next()
if self.stream.at_eof():
await self.release()
return item |
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async def read(self, *, decode: bool=False) -> Any: """Reads body part data. decode: Decodes data following by encoding method from Content-Encoding header. If it... |
if self._at_eof:
return b''
data = bytearray()
while not self._at_eof:
data.extend((await self.read_chunk(self.chunk_size)))
if decode:
return self.decode(data)
return data |
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async def read_chunk(self, size: int=chunk_size) -> bytes: """Reads body part content chunk of the specified size. size: chunk size """ |
if self._at_eof:
return b''
if self._length:
chunk = await self._read_chunk_from_length(size)
else:
chunk = await self._read_chunk_from_stream(size)
self._read_bytes += len(chunk)
if self._read_bytes == self._length:
self._at_eof ... |
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async def readline(self) -> bytes: """Reads body part by line by line.""" |
if self._at_eof:
return b''
if self._unread:
line = self._unread.popleft()
else:
line = await self._content.readline()
if line.startswith(self._boundary):
# the very last boundary may not come with \r\n,
# so set single rules... |
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def decode(self, data: bytes) -> bytes: """Decodes data according the specified Content-Encoding or Content-Transfer-Encoding headers value. """ |
if CONTENT_TRANSFER_ENCODING in self.headers:
data = self._decode_content_transfer(data)
if CONTENT_ENCODING in self.headers:
return self._decode_content(data)
return data |
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def get_charset(self, default: str) -> str: """Returns charset parameter from Content-Type header or default.""" |
ctype = self.headers.get(CONTENT_TYPE, '')
mimetype = parse_mimetype(ctype)
return mimetype.parameters.get('charset', default) |
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def name(self) -> Optional[str]: """Returns name specified in Content-Disposition header or None if missed or header is malformed. """ |
_, params = parse_content_disposition(
self.headers.get(CONTENT_DISPOSITION))
return content_disposition_filename(params, 'name') |
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def from_response(cls, response: 'ClientResponse') -> Any: """Constructs reader instance from HTTP response. :param response: :class:`~aiohttp.client.ClientRespon... |
obj = cls.response_wrapper_cls(response, cls(response.headers,
response.content))
return obj |
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async def next(self) -> Any: """Emits the next multipart body part.""" |
# So, if we're at BOF, we need to skip till the boundary.
if self._at_eof:
return
await self._maybe_release_last_part()
if self._at_bof:
await self._read_until_first_boundary()
self._at_bof = False
else:
await self._read_boundary()... |
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async def release(self) -> None: """Reads all the body parts to the void till the final boundary.""" |
while not self._at_eof:
item = await self.next()
if item is None:
break
await item.release() |
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def _get_part_reader(self, headers: 'CIMultiDictProxy[str]') -> Any: """Dispatches the response by the `Content-Type` header, returning suitable reader instance. ... |
ctype = headers.get(CONTENT_TYPE, '')
mimetype = parse_mimetype(ctype)
if mimetype.type == 'multipart':
if self.multipart_reader_cls is None:
return type(self)(headers, self._content)
return self.multipart_reader_cls(
headers, self._conte... |
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async def _maybe_release_last_part(self) -> None: """Ensures that the last read body part is read completely.""" |
if self._last_part is not None:
if not self._last_part.at_eof():
await self._last_part.release()
self._unread.extend(self._last_part._unread)
self._last_part = None |
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def _boundary_value(self) -> str: """Wrap boundary parameter value in quotes, if necessary. Reads self.boundary and returns a unicode sting. """ |
# Refer to RFCs 7231, 7230, 5234.
#
# parameter = token "=" ( token / quoted-string )
# token = 1*tchar
# quoted-string = DQUOTE *( qdtext / quoted-pair ) DQUOTE
# qdtext = HTAB / SP / %x21 / %x23-5B / %x5D-7E / obs-text
# obs-text = ... |
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def append_payload(self, payload: Payload) -> Payload: """Adds a new body part to multipart writer.""" |
# compression
encoding = payload.headers.get(CONTENT_ENCODING, '').lower() # type: Optional[str] # noqa
if encoding and encoding not in ('deflate', 'gzip', 'identity'):
raise RuntimeError('unknown content encoding: {}'.format(encoding))
if encoding == 'identity':
... |
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def append_json( self, obj: Any, headers: Optional['MultiMapping[str]']=None ) -> Payload: """Helper to append JSON part.""" |
if headers is None:
headers = CIMultiDict()
return self.append_payload(JsonPayload(obj, headers=headers)) |
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def append_form( self, obj: Union[Sequence[Tuple[str, str]], Mapping[str, str]], headers: Optional['MultiMapping[str]']=None ) -> Payload: """Helper to append for... |
assert isinstance(obj, (Sequence, Mapping))
if headers is None:
headers = CIMultiDict()
if isinstance(obj, Mapping):
obj = list(obj.items())
data = urlencode(obj, doseq=True)
return self.append_payload(
StringPayload(data, headers=headers,
... |
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def size(self) -> Optional[int]: """Size of the payload.""" |
if not self._parts:
return 0
total = 0
for part, encoding, te_encoding in self._parts:
if encoding or te_encoding or part.size is None:
return None
total += int(
2 + len(self._boundary) + 2 + # b'--'+self._boundary+b'\r\n'
... |
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async def write(self, writer: Any, close_boundary: bool=True) -> None: """Write body.""" |
if not self._parts:
return
for part, encoding, te_encoding in self._parts:
await writer.write(b'--' + self._boundary + b'\r\n')
await writer.write(part._binary_headers)
if encoding or te_encoding:
w = MultipartPayloadWriter(writer)
... |
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Description:
def update_version(self, version: Union[http.HttpVersion, str]) -> None: """Convert request version to two elements tuple. parser HTTP version '1.1' => (1, 1) """ |
if isinstance(version, str):
v = [l.strip() for l in version.split('.', 1)]
try:
version = http.HttpVersion(int(v[0]), int(v[1]))
except ValueError:
raise ValueError(
'Can not parse http version number: {}'
... |
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def update_headers(self, headers: Optional[LooseHeaders]) -> None: """Update request headers.""" |
self.headers = CIMultiDict() # type: CIMultiDict[str]
# add host
netloc = cast(str, self.url.raw_host)
if helpers.is_ipv6_address(netloc):
netloc = '[{}]'.format(netloc)
if not self.url.is_default_port():
netloc += ':' + str(self.url.port)
self.... |
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def update_cookies(self, cookies: Optional[LooseCookies]) -> None: """Update request cookies header.""" |
if not cookies:
return
c = SimpleCookie()
if hdrs.COOKIE in self.headers:
c.load(self.headers.get(hdrs.COOKIE, ''))
del self.headers[hdrs.COOKIE]
if isinstance(cookies, Mapping):
iter_cookies = cookies.items()
else:
i... |
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def update_content_encoding(self, data: Any) -> None: """Set request content encoding.""" |
if not data:
return
enc = self.headers.get(hdrs.CONTENT_ENCODING, '').lower()
if enc:
if self.compress:
raise ValueError(
'compress can not be set '
'if Content-Encoding header is set')
elif self.compress:
... |
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def update_transfer_encoding(self) -> None: """Analyze transfer-encoding header.""" |
te = self.headers.get(hdrs.TRANSFER_ENCODING, '').lower()
if 'chunked' in te:
if self.chunked:
raise ValueError(
'chunked can not be set '
'if "Transfer-Encoding: chunked" header is set')
elif self.chunked:
if hdr... |
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def update_auth(self, auth: Optional[BasicAuth]) -> None: """Set basic auth.""" |
if auth is None:
auth = self.auth
if auth is None:
return
if not isinstance(auth, helpers.BasicAuth):
raise TypeError('BasicAuth() tuple is required instead')
self.headers[hdrs.AUTHORIZATION] = auth.encode() |
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Description:
async def write_bytes(self, writer: AbstractStreamWriter, conn: 'Connection') -> None: """Support coroutines that yields bytes objects.""" |
# 100 response
if self._continue is not None:
await writer.drain()
await self._continue
protocol = conn.protocol
assert protocol is not None
try:
if isinstance(self.body, payload.Payload):
await self.body.write(writer)
... |
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Description:
async def start(self, connection: 'Connection') -> 'ClientResponse': """Start response processing.""" |
self._closed = False
self._protocol = connection.protocol
self._connection = connection
with self._timer:
while True:
# read response
try:
message, payload = await self._protocol.read() # type: ignore # noqa
... |
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Description:
async def read(self) -> bytes: """Read response payload.""" |
if self._body is None:
try:
self._body = await self.content.read()
for trace in self._traces:
await trace.send_response_chunk_received(self._body)
except BaseException:
self.close()
raise
elif se... |
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async def text(self, encoding: Optional[str]=None, errors: str='strict') -> str: """Read response payload and decode.""" |
if self._body is None:
await self.read()
if encoding is None:
encoding = self.get_encoding()
return self._body.decode(encoding, errors=errors) |
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async def json(self, *, encoding: str=None, loads: JSONDecoder=DEFAULT_JSON_DECODER, content_type: Optional[str]='application/json') -> Any: """Read and decodes J... |
if self._body is None:
await self.read()
if content_type:
ctype = self.headers.get(hdrs.CONTENT_TYPE, '').lower()
if not _is_expected_content_type(ctype, content_type):
raise ContentTypeError(
self.request_info,
... |
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Description:
def enable_chunked_encoding(self, chunk_size: Optional[int]=None) -> None: """Enables automatic chunked transfer encoding.""" |
self._chunked = True
if hdrs.CONTENT_LENGTH in self._headers:
raise RuntimeError("You can't enable chunked encoding when "
"a content length is set")
if chunk_size is not None:
warnings.warn('Chunk size is deprecated #1615', DeprecationWar... |
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def enable_compression(self, force: Optional[Union[bool, ContentCoding]]=None ) -> None: """Enables response compression encoding.""" |
# Backwards compatibility for when force was a bool <0.17.
if type(force) == bool:
force = ContentCoding.deflate if force else ContentCoding.identity
warnings.warn("Using boolean for force is deprecated #3318",
DeprecationWarning)
elif force is ... |
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Description:
def set_cookie(self, name: str, value: str, *, expires: Optional[str]=None, domain: Optional[str]=None, max_age: Optional[Union[int, str]]=None, path: str='/', se... |
old = self._cookies.get(name)
if old is not None and old.coded_value == '':
# deleted cookie
self._cookies.pop(name, None)
self._cookies[name] = value
c = self._cookies[name]
if expires is not None:
c['expires'] = expires
elif c.get... |
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def del_cookie(self, name: str, *, domain: Optional[str]=None, path: str='/') -> None: """Delete cookie. Creates new empty expired cookie. """ |
# TODO: do we need domain/path here?
self._cookies.pop(name, None)
self.set_cookie(name, '', max_age=0,
expires="Thu, 01 Jan 1970 00:00:00 GMT",
domain=domain, path=path) |
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def last_modified(self) -> Optional[datetime.datetime]: """The value of Last-Modified HTTP header, or None. This header is represented as a `datetime` object. """ |
httpdate = self._headers.get(hdrs.LAST_MODIFIED)
if httpdate is not None:
timetuple = parsedate(httpdate)
if timetuple is not None:
return datetime.datetime(*timetuple[:6],
tzinfo=datetime.timezone.utc)
return None |
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def add_static(self, prefix: str, path: PathLike, *, name: Optional[str]=None, expect_handler: Optional[_ExpectHandler]=None, chunk_size: int=256 * 1024, show_ind... |
assert prefix.startswith('/')
if prefix.endswith('/'):
prefix = prefix[:-1]
resource = StaticResource(prefix, path,
name=name,
expect_handler=expect_handler,
chunk_size=chunk_size,
... |
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def add_options(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with method OPTIONS """ |
return self.add_route(hdrs.METH_OPTIONS, path, handler, **kwargs) |
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def add_get(self, path: str, handler: _WebHandler, *, name: Optional[str]=None, allow_head: bool=True, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route... |
resource = self.add_resource(path, name=name)
if allow_head:
resource.add_route(hdrs.METH_HEAD, handler, **kwargs)
return resource.add_route(hdrs.METH_GET, handler, **kwargs) |
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def add_view(self, path: str, handler: AbstractView, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with ANY methods for a class-based view """ |
return self.add_route(hdrs.METH_ANY, path, handler, **kwargs) |
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def add_routes(self, routes: Iterable[AbstractRouteDef]) -> None: """Append routes to route table. Parameter should be a sequence of RouteDef objects. """ |
for route_def in routes:
route_def.register(self) |
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def parse_headers( self, lines: List[bytes] ) -> Tuple['CIMultiDictProxy[str]', RawHeaders, Optional[bool], Optional[str], bool, bool]: """Parses RFC 5322 headers... |
headers, raw_headers = self._headers_parser.parse_headers(lines)
close_conn = None
encoding = None
upgrade = False
chunked = False
# keep-alive
conn = headers.get(hdrs.CONNECTION)
if conn:
v = conn.lower()
if v == 'close':
... |
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def get_extra_info(self, name: str, default: Any=None) -> Any: """extra info from connection transport""" |
conn = self._response.connection
if conn is None:
return default
transport = conn.transport
if transport is None:
return default
return transport.get_extra_info(name, default) |
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def user_agent(style=None) -> _UserAgent: """Returns an apparently legit user-agent, if not requested one of a specific style. Defaults to a Chrome-style User-Age... |
global useragent
if (not useragent) and style:
useragent = UserAgent()
return useragent[style] if style else DEFAULT_USER_AGENT |
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def _make_absolute(self, link):
"""Makes a given link absolute.""" |
# Parse the link with stdlib.
parsed = urlparse(link)._asdict()
# If link is relative, then join it with base_url.
if not parsed['netloc']:
return urljoin(self.base_url, link)
# Link is absolute; if it lacks a scheme, add one from base_url.
if not parsed['... |
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def render(self, retries: int = 8, script: str = None, wait: float = 0.2, scrolldown=False, sleep: int = 0, reload: bool = True, timeout: Union[float, int] = 8.0,... |
self.browser = self.session.browser # Automatically create a event loop and browser
content = None
# Automatically set Reload to False, if example URL is being used.
if self.url == DEFAULT_URL:
reload = False
for i in range(retries):
if not content:
... |
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def close(self):
""" If a browser was created close it first. """ |
if hasattr(self, "_browser"):
self.loop.run_until_complete(self._browser.close())
super().close() |
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def request(self, *args, **kwargs):
""" Partial original request func and run it in a thread. """ |
func = partial(super().request, *args, **kwargs)
return self.loop.run_in_executor(self.thread_pool, func) |
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def run(self, *coros):
""" Pass in all the coroutines you want to run, it will wrap each one in a task, run it and wait for the result. Return a list with all re... |
tasks = [
asyncio.ensure_future(coro()) for coro in coros
]
done, _ = self.loop.run_until_complete(asyncio.wait(tasks))
return [t.result() for t in done] |
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| def shape(tensor):
'''
Get shape of variable.
Return type is tuple.
'''
temp_s = tensor.get_shape()
return tuple([temp_s[i].value for i in range(0, len(temp_s))]) |
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| def get_variable(name, temp_s):
'''
Get variable by name.
'''
return tf.Variable(tf.zeros(temp_s), name=name) |
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| def dropout(tensor, drop_prob, is_training):
'''
Dropout except test.
'''
if not is_training:
return tensor
return tf.nn.dropout(tensor, 1.0 - drop_prob) |
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| def get_elapsed(self, restart=True):
'''
Calculate time span.
'''
end = time.time()
span = end - self.__start
if restart:
self.__start = end
return span |
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| def do_tta_predict(args, model, ckp_path, tta_num=4):
'''
return 18000x128x128 np array
'''
model.eval()
preds = []
meta = None
# i is tta index, 0: no change, 1: horizon flip, 2: vertical flip, 3: do both
for flip_index in range(tta_num):
print('flip_index:', flip_index)
... |
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def average_gradients(model):
""" Gradient averaging. """ |
size = float(dist.get_world_size())
for param in model.parameters():
dist.all_reduce(param.grad.data, op=dist.reduce_op.SUM, group=0)
param.grad.data /= size |
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def run(params):
""" Distributed Synchronous SGD Example """ |
rank = dist.get_rank()
torch.manual_seed(1234)
train_set, bsz = partition_dataset()
model = Net()
model = model
optimizer = optim.SGD(model.parameters(), lr=params['learning_rate'], momentum=params['momentum'])
num_batches = ceil(len(train_set.dataset) / float(bsz))
total_loss = 0.0
... |
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| def set_size(self, graph_id, size):
'''
Set size.
'''
if self.graph_type == LayerType.attention.value:
if self.input[0] == graph_id:
self.size = size
if self.graph_type == LayerType.rnn.value:
self.size = size
if self.graph_type == ... |
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| def is_topology(self, layers=None):
'''
valid the topology
'''
if layers is None:
layers = self.layers
layers_nodle = []
result = []
for i, layer in enumerate(layers):
if layer.is_delete is False:
layers_nodle.append(i)
... |
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| def is_legal(self, layers=None):
'''
Judge whether is legal for layers
'''
if layers is None:
layers = self.layers
for layer in layers:
if layer.is_delete is False:
if len(layer.input) != layer.input_size:
return False
... |
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Description:
def lovasz_grad(gt_sorted):
""" Computes gradient of the Lovasz extension w.r.t sorted errors See Alg. 1 in paper """ |
p = len(gt_sorted)
gts = gt_sorted.sum()
intersection = gts - gt_sorted.float().cumsum(0)
union = gts + (1 - gt_sorted).float().cumsum(0)
jaccard = 1. - intersection / union
if p > 1: # cover 1-pixel case
jaccard[1:p] = jaccard[1:p] - jaccard[0:-1]
return jaccard |
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def flatten_probas(probas, labels, ignore=None):
""" Flattens predictions in the batch """ |
B, C, H, W = probas.size()
probas = probas.permute(0, 2, 3, 1).contiguous().view(-1, C) # B * H * W, C = P, C
labels = labels.view(-1)
if ignore is None:
return probas, labels
valid = (labels != ignore)
vprobas = probas[valid.nonzero().squeeze()]
vlabels = labels[valid]
return ... |
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def xloss(logits, labels, ignore=None):
""" Cross entropy loss """ |
return F.cross_entropy(logits, Variable(labels), ignore_index=255) |
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def mean(l, ignore_nan=False, empty=0):
""" nanmean compatible with generators. """ |
l = iter(l)
if ignore_nan:
l = ifilterfalse(np.isnan, l)
try:
n = 1
acc = next(l)
except StopIteration:
if empty == 'raise':
raise ValueError('Empty mean')
return empty
for n, v in enumerate(l, 2):
acc += v
if n == 1:
return ac... |
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Description:
| def main_loop(args):
'''main loop logic for trial keeper'''
if not os.path.exists(LOG_DIR):
os.makedirs(LOG_DIR)
stdout_file = open(STDOUT_FULL_PATH, 'a+')
stderr_file = open(STDERR_FULL_PATH, 'a+')
trial_keeper_syslogger = RemoteLogger(args.nnimanager_ip, args.nnimanager_port, 'tr... |
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