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Wrap boundary parameter value in quotes, if necessary. Reads self.boundary and returns a unicode sting.
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 ...
Adds a new body part to multipart writer.
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'): ra...
Helper to append JSON part.
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))
Helper to append form urlencoded part.
def append_form( self, obj: Union[Sequence[Tuple[str, str]], Mapping[str, str]], headers: Optional['MultiMapping[str]']=None ) -> Payload: """Helper to append form urlencoded part.""" assert isinstance(obj, (Sequence, Mapping)) if h...
Size of the payload.
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( ...
Write body.
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(par...
Update destination host, port and connection type (ssl).
def update_host(self, url: URL) -> None: """Update destination host, port and connection type (ssl).""" # get host/port if not url.host: raise InvalidURL(url) # basic auth info username, password = url.user, url.password if username: self.auth = h...
Convert request version to two elements tuple. parser HTTP version '1.1' => (1, 1)
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: ver...
Update request headers.
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)...
Update request cookies header.
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] ...
Set request content encoding.
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 n...
Analyze transfer-encoding header.
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 ...
Set basic auth.
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') sel...
Support coroutines that yields bytes objects.
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 =...
Start response processing.
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 ...
Read response payload.
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:...
Read response payload and decode.
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(enco...
Read and decodes JSON response.
async def json(self, *, encoding: str=None, loads: JSONDecoder=DEFAULT_JSON_DECODER, content_type: Optional[str]='application/json') -> Any: """Read and decodes JSON response.""" if self._body is None: await self.read() if content_type: ...
Enables automatic chunked transfer encoding.
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 ...
Enables response compression encoding.
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 = Conte...
Set or update response cookie. Sets new cookie or updates existent with new value. Also updates only those params which are not None.
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='/', secure: Optional[str]=None, httponly: Optional...
Delete cookie. Creates new empty expired cookie.
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, '...
The value of Last-Modified HTTP header, or None. This header is represented as a `datetime` object.
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...
Default handler for Expect header. Just send "100 Continue" to client. raise HTTPExpectationFailed if value of header is not "100-continue"
async def _default_expect_handler(request: Request) -> None: """Default handler for Expect header. Just send "100 Continue" to client. raise HTTPExpectationFailed if value of header is not "100-continue" """ expect = request.headers.get(hdrs.EXPECT) if request.version == HttpVersion11: ...
Construct url for route with additional params.
def url_for(self, *args: str, **kwargs: str) -> URL: """Construct url for route with additional params.""" return self._resource.url_for(*args, **kwargs)
Add static files view. prefix - url prefix path - folder with files
def add_static(self, prefix: str, path: PathLike, *, name: Optional[str]=None, expect_handler: Optional[_ExpectHandler]=None, chunk_size: int=256 * 1024, show_index: bool=False, follow_symlinks: bool=False, append_version: bo...
Shortcut for add_route with method HEAD
def add_head(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with method HEAD """ return self.add_route(hdrs.METH_HEAD, path, handler, **kwargs)
Shortcut for add_route with method OPTIONS
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)
Shortcut for add_route with method GET, if allow_head is true another route is added allowing head requests to the same endpoint
def add_get(self, path: str, handler: _WebHandler, *, name: Optional[str]=None, allow_head: bool=True, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with method GET, if allow_head is true another route is added allowing head requests to the same endp...
Shortcut for add_route with method POST
def add_post(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with method POST """ return self.add_route(hdrs.METH_POST, path, handler, **kwargs)
Shortcut for add_route with method PUT
def add_put(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with method PUT """ return self.add_route(hdrs.METH_PUT, path, handler, **kwargs)
Shortcut for add_route with method PATCH
def add_patch(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with method PATCH """ return self.add_route(hdrs.METH_PATCH, path, handler, **kwargs)
Shortcut for add_route with method DELETE
def add_delete(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: """ Shortcut for add_route with method DELETE """ return self.add_route(hdrs.METH_DELETE, path, handler, **kwargs)
Shortcut for add_route with ANY methods for a class-based view
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)
Append routes to route table. Parameter should be a sequence of RouteDef objects.
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)
Parses RFC 5322 headers from a stream. Line continuations are supported. Returns list of header name and value pairs. Header name is in upper case.
def parse_headers( self, lines: List[bytes] ) -> Tuple['CIMultiDictProxy[str]', RawHeaders, Optional[bool], Optional[str], bool, bool]: """Parses RFC 5322 headers from a stream. Line continuations are...
extra info from connection transport
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 transp...
Returns an apparently legit user-agent, if not requested one of a specific style. Defaults to a Chrome-style User-Agent.
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-Agent. """ global useragent if (not useragent) and style: useragent = UserAgent() return useragent[style] if style else DEFAULT_...
Bytes representation of the HTML content. (`learn more <http://www.diveintopython3.net/strings.html>`_).
def raw_html(self) -> _RawHTML: """Bytes representation of the HTML content. (`learn more <http://www.diveintopython3.net/strings.html>`_). """ if self._html: return self._html else: return etree.tostring(self.element, encoding='unicode').strip().encode(se...
Unicode representation of the HTML content (`learn more <http://www.diveintopython3.net/strings.html>`_).
def html(self) -> _BaseHTML: """Unicode representation of the HTML content (`learn more <http://www.diveintopython3.net/strings.html>`_). """ if self._html: return self.raw_html.decode(self.encoding, errors='replace') else: return etree.tostring(self.eleme...
The encoding string to be used, extracted from the HTML and :class:`HTMLResponse <HTMLResponse>` headers.
def encoding(self) -> _Encoding: """The encoding string to be used, extracted from the HTML and :class:`HTMLResponse <HTMLResponse>` headers. """ if self._encoding: return self._encoding # Scan meta tags for charset. if self._html: self._encoding ...
`PyQuery <https://pythonhosted.org/pyquery/>`_ representation of the :class:`Element <Element>` or :class:`HTML <HTML>`.
def pq(self) -> PyQuery: """`PyQuery <https://pythonhosted.org/pyquery/>`_ representation of the :class:`Element <Element>` or :class:`HTML <HTML>`. """ if self._pq is None: self._pq = PyQuery(self.lxml) return self._pq
`lxml <http://lxml.de>`_ representation of the :class:`Element <Element>` or :class:`HTML <HTML>`.
def lxml(self) -> HtmlElement: """`lxml <http://lxml.de>`_ representation of the :class:`Element <Element>` or :class:`HTML <HTML>`. """ if self._lxml is None: try: self._lxml = soup_parse(self.html, features='html.parser') except ValueError: ...
Given a CSS Selector, returns a list of :class:`Element <Element>` objects or a single one. :param selector: CSS Selector to use. :param clean: Whether or not to sanitize the found HTML of ``<script>`` and ``<style>`` tags. :param containing: If specified, only return elements that cont...
def find(self, selector: str = "*", *, containing: _Containing = None, clean: bool = False, first: bool = False, _encoding: str = None) -> _Find: """Given a CSS Selector, returns a list of :class:`Element <Element>` objects or a single one. :param selector: CSS Selector to use. :param c...
Given an XPath selector, returns a list of :class:`Element <Element>` objects or a single one. :param selector: XPath Selector to use. :param clean: Whether or not to sanitize the found HTML of ``<script>`` and ``<style>`` tags. :param first: Whether or not to return just the first resu...
def xpath(self, selector: str, *, clean: bool = False, first: bool = False, _encoding: str = None) -> _XPath: """Given an XPath selector, returns a list of :class:`Element <Element>` objects or a single one. :param selector: XPath Selector to use. :param clean: Whether or not to sanitiz...
Search the :class:`Element <Element>` (multiple times) for the given parse template. :param template: The Parse template to use.
def search_all(self, template: str) -> _Result: """Search the :class:`Element <Element>` (multiple times) for the given parse template. :param template: The Parse template to use. """ return [r for r in findall(template, self.html)]
All found links on page, in as–is form.
def links(self) -> _Links: """All found links on page, in as–is form.""" def gen(): for link in self.find('a'): try: href = link.attrs['href'].strip() if href and not (href.startswith('#') and self.skip_anchors) and not href.startswit...
Makes a given link absolute.
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 abso...
All found links on page, in absolute form (`learn more <https://www.navegabem.com/absolute-or-relative-links.html>`_).
def absolute_links(self) -> _Links: """All found links on page, in absolute form (`learn more <https://www.navegabem.com/absolute-or-relative-links.html>`_). """ def gen(): for link in self.links: yield self._make_absolute(link) return set(gen())
The base URL for the page. Supports the ``<base>`` tag (`learn more <https://www.w3schools.com/tags/tag_base.asp>`_).
def base_url(self) -> _URL: """The base URL for the page. Supports the ``<base>`` tag (`learn more <https://www.w3schools.com/tags/tag_base.asp>`_).""" # Support for <base> tag. base = self.find('base', first=True) if base: result = base.attrs.get('href', '').strip()...
Returns a dictionary of the attributes of the :class:`Element <Element>` (`learn more <https://www.w3schools.com/tags/ref_attributes.asp>`_).
def attrs(self) -> _Attrs: """Returns a dictionary of the attributes of the :class:`Element <Element>` (`learn more <https://www.w3schools.com/tags/ref_attributes.asp>`_). """ if self._attrs is None: self._attrs = {k: v for k, v in self.element.items()} # Split c...
Attempts to find the next page, if there is one. If ``fetch`` is ``True`` (default), returns :class:`HTML <HTML>` object of next page. If ``fetch`` is ``False``, simply returns the next URL.
def next(self, fetch: bool = False, next_symbol: _NextSymbol = DEFAULT_NEXT_SYMBOL) -> _Next: """Attempts to find the next page, if there is one. If ``fetch`` is ``True`` (default), returns :class:`HTML <HTML>` object of next page. If ``fetch`` is ``False``, simply returns the next URL. ...
Handle page creation and js rendering. Internal use for render/arender methods.
async def _async_render(self, *, url: str, script: str = None, scrolldown, sleep: int, wait: float, reload, content: Optional[str], timeout: Union[float, int], keep_page: bool): """ Handle page creation and js rendering. Internal use for render/arender methods. """ try: page = await self.bro...
Reloads the response in Chromium, and replaces HTML content with an updated version, with JavaScript executed. :param retries: The number of times to retry loading the page in Chromium. :param script: JavaScript to execute upon page load (optional). :param wait: The number of seconds to...
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, keep_page: bool = False): """Reloads the response in Chromium, and replaces HTML content with an updated version, with JavaScript executed. ...
Change response enconding and replace it by a HTMLResponse.
def response_hook(self, response, **kwargs) -> HTMLResponse: """ Change response enconding and replace it by a HTMLResponse. """ if not response.encoding: response.encoding = DEFAULT_ENCODING return HTMLResponse._from_response(response, self)
If a browser was created close it first.
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()
Partial original request func and run it in a thread.
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)
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 results, this is returned in the same order coros are passed in.
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 results, this is returned in the same order coros are passed in. """ tasks = [ asyncio.ensure_future(coro()) ...
img_tensor: N, C, H, W
def add_depth_channel(img_tensor, pad_mode): ''' img_tensor: N, C, H, W ''' img_tensor[:, 1] = get_depth_tensor(pad_mode) img_tensor[:, 2] = img_tensor[:, 0] * get_depth_tensor(pad_mode)
:param s: [src_sequence, batch_size, src_dim] :return: [src_sequence, batch_size. hidden_dim]
def get_pre_compute(self, s): ''' :param s: [src_sequence, batch_size, src_dim] :return: [src_sequence, batch_size. hidden_dim] ''' hidden_dim = self.hidden_dim src_dim = s.get_shape().as_list()[-1] assert src_dim is not None, 'src dim must be defined' W =...
:param s: [src_sequence_length, batch_size, src_dim] :param h: [batch_size, tgt_dim] or [tgt_sequence_length, batch_size, tgt_dim] :param mask: [src_sequence_length, batch_size]\ or [tgt_sequence_length, src_sequence_length, batch_sizse] :param pre_compute: [src_sequence_length, bat...
def get_prob(self, src, tgt, mask, pre_compute, return_logits=False): ''' :param s: [src_sequence_length, batch_size, src_dim] :param h: [batch_size, tgt_dim] or [tgt_sequence_length, batch_size, tgt_dim] :param mask: [src_sequence_length, batch_size]\ or [tgt_sequence_lengt...
:param s: [src_sequence_length, batch_size, src_dim] :param prob: [src_sequence_length, batch_size]\ or [tgt_sequence_length, src_sequence_length, batch_size] :return: [batch_size, src_dim] or [tgt_sequence_length, batch_size, src_dim]
def get_att(self, s, prob): ''' :param s: [src_sequence_length, batch_size, src_dim] :param prob: [src_sequence_length, batch_size]\ or [tgt_sequence_length, src_sequence_length, batch_size] :return: [batch_size, src_dim] or [tgt_sequence_length, batch_size, src_dim] ...
Get shape of variable. Return type is tuple.
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))])
Get variable by name.
def get_variable(name, temp_s): ''' Get variable by name. ''' return tf.Variable(tf.zeros(temp_s), name=name)
Dropout except test.
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)
Calculate time span.
def get_elapsed(self, restart=True): ''' Calculate time span. ''' end = time.time() span = end - self.__start if restart: self.__start = end return span
return 18000x128x128 np array
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) ...
Partitioning MNIST
def partition_dataset(): """ Partitioning MNIST """ dataset = datasets.MNIST( './data', train=True, download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.1307, ), (0.3081, )) ])) size = dist.get_world_size...
Gradient averaging.
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
Distributed Synchronous SGD Example
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 = c...
Load graph
def graph_loads(graph_json): ''' Load graph ''' layers = [] for layer in graph_json['layers']: layer_info = Layer(layer['type'], layer['input'], layer['output'], layer['size']) layer_info.is_delete = layer['is_delete'] layers.append(layer_info) graph = Graph(graph_json['m...
Set size.
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 == ...
Clear size
def clear_size(self): ''' Clear size ''' if self.graph_type == LayerType.attention.value or \ LayerType.rnn.value or LayerType.self_attention.value: self.size = None
valid the topology
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) ...
Judge whether is legal for layers
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 ...
Mutation for a graph
def mutation(self, only_add=False): ''' Mutation for a graph ''' types = [] if self.layer_num() < self.max_layer_num: types.append(0) types.append(1) if self.layer_num() > 5 and only_add is False: types.append(2) types.appen...
Main function of SMAC for CLI interface Returns ------- instance optimizer
def _main_cli(self): """Main function of SMAC for CLI interface Returns ------- instance optimizer """ self.logger.info("SMAC call: %s" % (" ".join(sys.argv))) cmd_reader = CMDReader() args, _ = cmd_reader.read_cmd() root_log...
TODO: this is urgly, we put all the initialization work in this method, because initialization relies on search space, also because update_search_space is called at the beginning. NOTE: updating search space is not supported. Parameters ---------- search_space: searc...
def update_search_space(self, search_space): """TODO: this is urgly, we put all the initialization work in this method, because initialization relies on search space, also because update_search_space is called at the beginning. NOTE: updating search space is not supported. Parameters ...
receive_trial_result Parameters ---------- parameter_id: int parameter id parameters: parameters value: value Raises ------ RuntimeError Received parameter id not in total_data
def receive_trial_result(self, parameter_id, parameters, value): """receive_trial_result Parameters ---------- parameter_id: int parameter id parameters: parameters value: value Raises ------ Run...
Convert the values of type `loguniform` back to their initial range Also, we convert categorical: categorical values in search space are changed to list of numbers before, those original values will be changed back in this function Parameters ---------- challenge...
def convert_loguniform_categorical(self, challenger_dict): """Convert the values of type `loguniform` back to their initial range Also, we convert categorical: categorical values in search space are changed to list of numbers before, those original values will be changed back in this fun...
generate one instance of hyperparameters Parameters ---------- parameter_id: int parameter id Returns ------- list new generated parameters
def generate_parameters(self, parameter_id): """generate one instance of hyperparameters Parameters ---------- parameter_id: int parameter id Returns ------- list new generated parameters """ if self.first_...
generate mutiple instances of hyperparameters Parameters ---------- parameter_id_list: list list of parameter id Returns ------- list list of new generated parameters
def generate_multiple_parameters(self, parameter_id_list): """generate mutiple instances of hyperparameters Parameters ---------- parameter_id_list: list list of parameter id Returns ------- list list of new generated para...
Computes gradient of the Lovasz extension w.r.t sorted errors See Alg. 1 in paper
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 ...
IoU for foreground class binary: 1 foreground, 0 background
def iou_binary(preds, labels, EMPTY=1., ignore=None, per_image=True): """ IoU for foreground class binary: 1 foreground, 0 background """ if not per_image: preds, labels = (preds,), (labels,) ious = [] for pred, label in zip(preds, labels): intersection = ((label == 1) & (pre...
Array of IoU for each (non ignored) class
def iou(preds, labels, C, EMPTY=1., ignore=None, per_image=False): """ Array of IoU for each (non ignored) class """ if not per_image: preds, labels = (preds,), (labels,) ious = [] for pred, label in zip(preds, labels): iou = [] for i in range(C): if i != ...
Binary Lovasz hinge loss logits: [B, H, W] Variable, logits at each pixel (between -\infty and +\infty) labels: [B, H, W] Tensor, binary ground truth masks (0 or 1) per_image: compute the loss per image instead of per batch ignore: void class id
def lovasz_hinge(logits, labels, per_image=True, ignore=None): """ Binary Lovasz hinge loss logits: [B, H, W] Variable, logits at each pixel (between -\infty and +\infty) labels: [B, H, W] Tensor, binary ground truth masks (0 or 1) per_image: compute the loss per image instead of per batch ...
Binary Lovasz hinge loss logits: [P] Variable, logits at each prediction (between -\infty and +\infty) labels: [P] Tensor, binary ground truth labels (0 or 1) ignore: label to ignore
def lovasz_hinge_flat(logits, labels): """ Binary Lovasz hinge loss logits: [P] Variable, logits at each prediction (between -\infty and +\infty) labels: [P] Tensor, binary ground truth labels (0 or 1) ignore: label to ignore """ if len(labels) == 0: # only void pixels, the gra...
Flattens predictions in the batch (binary case) Remove labels equal to 'ignore'
def flatten_binary_scores(scores, labels, ignore=None): """ Flattens predictions in the batch (binary case) Remove labels equal to 'ignore' """ scores = scores.view(-1) labels = labels.view(-1) if ignore is None: return scores, labels valid = (labels != ignore) vscores = scor...
Binary Cross entropy loss logits: [B, H, W] Variable, logits at each pixel (between -\infty and +\infty) labels: [B, H, W] Tensor, binary ground truth masks (0 or 1) ignore: void class id
def binary_xloss(logits, labels, ignore=None): """ Binary Cross entropy loss logits: [B, H, W] Variable, logits at each pixel (between -\infty and +\infty) labels: [B, H, W] Tensor, binary ground truth masks (0 or 1) ignore: void class id """ logits, labels = flatten_binary_scores(logi...
Multi-class Lovasz-Softmax loss probas: [B, C, H, W] Variable, class probabilities at each prediction (between 0 and 1) labels: [B, H, W] Tensor, ground truth labels (between 0 and C - 1) only_present: average only on classes present in ground truth per_image: compute the loss per image instead ...
def lovasz_softmax(probas, labels, only_present=False, per_image=False, ignore=None): """ Multi-class Lovasz-Softmax loss probas: [B, C, H, W] Variable, class probabilities at each prediction (between 0 and 1) labels: [B, H, W] Tensor, ground truth labels (between 0 and C - 1) only_present: av...
Multi-class Lovasz-Softmax loss probas: [P, C] Variable, class probabilities at each prediction (between 0 and 1) labels: [P] Tensor, ground truth labels (between 0 and C - 1) only_present: average only on classes present in ground truth
def lovasz_softmax_flat(probas, labels, only_present=False): """ Multi-class Lovasz-Softmax loss probas: [P, C] Variable, class probabilities at each prediction (between 0 and 1) labels: [P] Tensor, ground truth labels (between 0 and C - 1) only_present: average only on classes present in grou...
Flattens predictions in the batch
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 = (lab...
Cross entropy loss
def xloss(logits, labels, ignore=None): """ Cross entropy loss """ return F.cross_entropy(logits, Variable(labels), ignore_index=255)
nanmean compatible with generators.
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') ...
main loop logic for trial keeper
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...
Channel shuffle: [N,C,H,W] -> [N,g,C/g,H,W] -> [N,C/g,g,H,w] -> [N,C,H,W]
def forward(self, x): '''Channel shuffle: [N,C,H,W] -> [N,g,C/g,H,W] -> [N,C/g,g,H,w] -> [N,C,H,W]''' N,C,H,W = x.size() g = self.groups return x.view(N,g,C/g,H,W).permute(0,2,1,3,4).contiguous().view(N,C,H,W)
return embedding for a specific file by given file path.
def load_embedding(path): ''' return embedding for a specific file by given file path. ''' EMBEDDING_DIM = 300 embedding_dict = {} with open(path, 'r', encoding='utf-8') as file: pairs = [line.strip('\r\n').split() for line in file.readlines()] for pair in pairs: if l...
Generate json by prediction.
def generate_predict_json(position1_result, position2_result, ids, passage_tokens): ''' Generate json by prediction. ''' predict_len = len(position1_result) logger.debug('total prediction num is %s', str(predict_len)) answers = {} for i in range(predict_len): sample_id = ids[i] ...
Generate data
def generate_data(path, tokenizer, char_vcb, word_vcb, is_training=False): ''' Generate data ''' global root_path qp_pairs = data.load_from_file(path=path, is_training=is_training) tokenized_sent = 0 # qp_pairs = qp_pairs[:1000]1 for qp_pair in qp_pairs: tokenized_sent += 1 ...
Calculate the f1 score.
def f1_score(prediction, ground_truth): ''' Calculate the f1 score. ''' prediction_tokens = normalize_answer(prediction).split() ground_truth_tokens = normalize_answer(ground_truth).split() common = Counter(prediction_tokens) & Counter(ground_truth_tokens) num_same = sum(common.values()) ...