diff --git a/website/api/language.jade b/website/api/language.jade index 617c81599..89807fabe 100644 --- a/website/api/language.jade +++ b/website/api/language.jade @@ -4,7 +4,14 @@ include ../_includes/_mixins p | Usually you'll load this once per process as #[code nlp] and pass the - | instance around your application. + | instance around your application. The #[code Language] class is created + | when you call #[+api("spacy#load") #[code spacy.load()]] and contains + | the shared vocabulary and #[+a("/usage/adding-languages") language data], + | optional model data loaded from a #[+a("/models") model package] or + | a path, and a #[+a("/usage/processing-pipelines") processing pipeline] + | containing components like the tagger or parser that are called on a + | document in order. You can also add your own processing pipeline + | components that take a #[code Doc] object, modify it and return it. +h(2, "init") Language.__init__ +tag method @@ -12,9 +19,9 @@ p p Initialise a #[code Language] object. +aside-code("Example"). + from spacy.vocab import Vocab from spacy.language import Language - nlp = Language(pipeline=['token_vectors', 'tags', - 'dependencies']) + nlp = Language(Vocab()) from spacy.lang.en import English nlp = English() @@ -34,14 +41,6 @@ p Initialise a #[code Language] object. | A function that takes text and returns a #[code Doc] object. | Usually a #[code Tokenizer]. - +row - +cell #[code pipeline] - +cell list - +cell - | A list of annotation processes or IDs of annotation, processes, - | e.g. a #[code Tagger] object, or #[code 'tagger']. IDs are looked - | up in #[code Language.Defaults.factories]. - +row +cell #[code meta] +cell dict @@ -54,6 +53,23 @@ p Initialise a #[code Language] object. +cell #[code Language] +cell The newly constructed object. ++infobox("Deprecation note", "⚠️") + .o-block + | To make the processing pipelines and their components more + | transparent, the #[code pipeline] and #[code disable] arguments on + | initialisation are now deprecated. Instead, pipeline components can + | now be added, removed and rearranged using the new #[code Language] + | methods, for example #[+api("language#add_pipe") #[code add_pipe]] or + | #[+api("language#create_pipe") #[code create_pipe]]. This is also how + | #[+api("spacy#load") #[code spacy.load()]] creates the + | #[code Language] instance it returns. + + +code-new. + nlp = English() + parser = nlp.create_pipe('parser') + nlp.add_pipe(parser) + +code-old nlp = English(pipeline=['parser']) + +h(2, "call") Language.__call__ +tag method @@ -235,7 +251,6 @@ p | Can be called before training to pre-process gold data. By default, it | handles nonprojectivity and adds missing tags to the tag map. - +table(["Name", "Type", "Description"]) +row +cell #[code docs_golds] @@ -247,6 +262,177 @@ p +cell tuple +cell Tuples of #[code Doc] and #[code GoldParse] objects. ++h(2, "create_pipe") Language.create_pipe + +tag method + +tag-new(2) + +p Create a pipeline component from a factory. + ++aside-code("Example"). + parser = nlp.create_pipe('parser') + nlp.add_pipe(parser) + ++table(["Name", "Type", "Description"]) + +row + +cell #[code name] + +cell unicode + +cell + | Factory name to look up in + | #[+api("language#class-attributes") #[code Language.factories]]. + + +row + +cell #[code config] + +cell dict + +cell Configuration parameters to initialise component. + + +row("foot") + +cell returns + +cell callable + +cell The pipeline component. + ++h(2, "add_pipe") Language.add_pipe + +tag method + +tag-new(2) + +p + | Add a component to the processing pipeline. Valid components are + | callables that take a #[code Doc] object, modify it and return it. Only + | one of #[code before], #[code after], #[code first] or #[code last] can + | be set. Default behaviour is #[code last=True]. + ++aside-code("Example"). + def component(doc): + # modify Doc and return it + return doc + + nlp.add_pipe(component, before='ner') + nlp.add_pipe(component, name='custom_name', last=True) + ++table(["Name", "Type", "Description"]) + +row + +cell #[code component] + +cell callable + +cell The pipeline component. + + +row + +cell #[code name] + +cell unicode + +cell + | Name of pipeline component. Overwrites existing + | #[code component.name] attribute if available. If no #[code name] + | is set and the component exposes no name attribute, + | #[code component.__name__] is used. An error is raised if the + | name already exists in the pipeline. + + +row + +cell #[code before] + +cell unicode + +cell Component name to insert component directly before. + + +row + +cell #[code after] + +cell unicode + +cell Component name to insert component directly after: + + +row + +cell #[code first] + +cell bool + +cell Insert component first / not first in the pipeline. + + +row + +cell #[code last] + +cell bool + +cell Insert component last / not last in the pipeline. + ++h(2, "get_pipe") Language.get_pipe + +tag method + +tag-new(2) + +p Get a pipeline component for a given component name. + ++aside-code("Example"). + parser = nlp.get_pipe('parser') + custom_component = nlp.get_pipe('custom_component') + ++table(["Name", "Type", "Description"]) + +row + +cell #[code name] + +cell unicode + +cell Name of the pipeline component to get. + + +row("foot") + +cell returns + +cell callable + +cell The pipeline component. + ++h(2, "replace_pipe") Language.replace_pipe + +tag method + +tag-new(2) + +p Replace a component in the pipeline. + ++aside-code("Example"). + nlp.replace_pipe('parser', my_custom_parser) + ++table(["Name", "Type", "Description"]) + +row + +cell #[code name] + +cell unicode + +cell Name of the component to replace. + + +row + +cell #[code component] + +cell callable + +cell The pipeline component to inser. + + ++h(2, "rename_pipe") Language.rename_pipe + +tag method + +tag-new(2) + +p + | Rename a component in the pipeline. Useful to create custom names for + | pre-defined and pre-loaded components. To change the default name of + | a component added to the pipeline, you can also use the #[code name] + | argument on #[+api("language#add_pipe") #[code add_pipe]]. + ++aside-code("Example"). + nlp.rename_pipe('parser', 'spacy_parser') + ++table(["Name", "Type", "Description"]) + +row + +cell #[code old_name] + +cell unicode + +cell Name of the component to rename. + + +row + +cell #[code new_name] + +cell unicode + +cell New name of the component. + ++h(2, "remove_pipe") Language.remove_pipe + +tag method + +tag-new(2) + +p + | Remove a component from the pipeline. Returns the removed component name + | and component function. + ++aside-code("Example"). + name, component = nlp.remove_pipe('parser') + assert name == 'parser' + ++table(["Name", "Type", "Description"]) + +row + +cell #[code name] + +cell unicode + +cell Name of the component to remove. + + +row("foot") + +cell returns + +cell tuple + +cell A #[code (name, component)] tuple of the removed component. + +h(2, "to_disk") Language.to_disk +tag method +tag-new(2) @@ -399,7 +585,15 @@ p Load state from a binary string. +row +cell #[code pipeline] +cell list - +cell Sequence of annotation functions. + +cell + | List of #[code (name, component)] tuples describing the current + | processing pipeline, in order. + + +row + +cell #[code pipe_names] + +tag-new(2) + +cell list + +cell List of pipeline component names, in order. +row +cell #[code meta] @@ -424,3 +618,12 @@ p Load state from a binary string. +cell | Two-letter language ID, i.e. | #[+a("https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes") ISO code]. + + +row + +cell #[code factories] + +tag-new(2) + +cell dict + +cell + | Factories that create pre-defined pipeline components, e.g. the + | tagger, parser or entity recognizer, keyed by their component + | name.