# Google Cloud Natural Language API . documents

## Instance Methods

Finds named entities (currently proper names and common nouns) in the text

Analyzes the sentiment of the provided text.

Analyzes the syntax of the text and provides sentence boundaries and

A convenience method that provides all the features that analyzeSentiment,

### Method Details

`analyzeEntities(body, x__xgafv=None)`

    Finds named entities (currently proper names and common nouns) in the text
    along with entity types, salience, mentions for each entity, and
    other properties.

    Args:
      body: object, The request body. (required)
        The object takes the form of:

    { # The entity analysis request message.
        "encodingType": "A String", # The encoding type used by the API to calculate offsets.
        "document": { # ################################################################ # # Input document.
            #
            # Represents the input to API methods.
          "content": "A String", # The content of the input in string format.
          "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
              # returns an `INVALID_ARGUMENT` error.
          "language": "A String", # The language of the document (if not specified, the language is
              # automatically detected). Both ISO and BCP-47 language codes are
              # accepted.

              # [Language Support](/natural-language/docs/languages)
              # lists currently supported languages for each API method.
              # If the language (either specified by the caller or automatically detected)
              # is not supported by the called API method, an `INVALID_ARGUMENT` error
              # is returned.
          "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
              # This URI must be of the form: gs://bucket_name/object_name. For more
              # details, see https://cloud.google.com/storage/docs/reference-uris.
              # NOTE: Cloud Storage object versioning is not supported.
        },
      }

      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # The entity analysis response message.
        "entities": [ # The recognized entities in the input document.
          { # Represents a phrase in the text that is a known entity, such as
              # a person, an organization, or location. The API associates information, such
              # as salience and mentions, with entities.
            "mentions": [ # The mentions of this entity in the input document. The API currently
                # supports proper noun mentions.
              { # Represents a mention for an entity in the text. Currently, proper noun
                  # mentions are supported.
                "text": { # Represents an output piece of text. # The mention text.
                  "content": "A String", # The content of the output text.
                  "beginOffset": 42, # The API calculates the beginning offset of the content in the original
                      # document according to the EncodingType specified in the API request.
                },
                "type": "A String", # The type of the entity mention.
              },
            ],
            "salience": 3.14, # The salience score associated with the entity in the [0, 1.0] range.
                #
                # The salience score for an entity provides information about the
                # importance or centrality of that entity to the entire document text.
                # Scores closer to 0 are less salient, while scores closer to 1.0 are highly
                # salient.
            "type": "A String", # The entity type.
            "name": "A String", # The representative name for the entity.
            "metadata": { # Metadata associated with the entity.
                #
                # Currently, Wikipedia URLs and Knowledge Graph MIDs are provided, if
                # available. The associated keys are "wikipedia_url" and "mid", respectively.
              "a_key": "A String",
            },
          },
        ],
        "language": "A String", # The language of the text, which will be the same as the language specified
            # in the request or, if not specified, the automatically-detected language.
            # See Document.language field for more details.
      }

`analyzeSentiment(body, x__xgafv=None)`

    Analyzes the sentiment of the provided text.

    Args:
      body: object, The request body. (required)
        The object takes the form of:

    { # The sentiment analysis request message.
        "encodingType": "A String", # The encoding type used by the API to calculate sentence offsets for the
            # sentence sentiment.
        "document": { # ################################################################ # # Input document.
            #
            # Represents the input to API methods.
          "content": "A String", # The content of the input in string format.
          "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
              # returns an `INVALID_ARGUMENT` error.
          "language": "A String", # The language of the document (if not specified, the language is
              # automatically detected). Both ISO and BCP-47 language codes are
              # accepted.

              # [Language Support](/natural-language/docs/languages)
              # lists currently supported languages for each API method.
              # If the language (either specified by the caller or automatically detected)
              # is not supported by the called API method, an `INVALID_ARGUMENT` error
              # is returned.
          "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
              # This URI must be of the form: gs://bucket_name/object_name. For more
              # details, see https://cloud.google.com/storage/docs/reference-uris.
              # NOTE: Cloud Storage object versioning is not supported.
        },
      }

      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # The sentiment analysis response message.
        "documentSentiment": { # Represents the feeling associated with the entire text or entities in # The overall sentiment of the input document.
            # the text.
          "polarity": 3.14, # DEPRECATED FIELD - This field is being deprecated in
              # favor of score. Please refer to our documentation at
              # https://cloud.google.com/natural-language/docs for more information.
          "score": 3.14, # Sentiment score between -1.0 (negative sentiment) and 1.0
              # (positive sentiment).
          "magnitude": 3.14, # A non-negative number in the [0, +inf) range, which represents
              # the absolute magnitude of sentiment regardless of score (positive or
              # negative).
        },
        "language": "A String", # The language of the text, which will be the same as the language specified
            # in the request or, if not specified, the automatically-detected language.
            # See Document.language field for more details.
        "sentences": [ # The sentiment for all the sentences in the document.
          { # Represents a sentence in the input document.
            "text": { # Represents an output piece of text. # The sentence text.
              "content": "A String", # The content of the output text.
              "beginOffset": 42, # The API calculates the beginning offset of the content in the original
                  # document according to the EncodingType specified in the API request.
            },
            "sentiment": { # Represents the feeling associated with the entire text or entities in # For calls to AnalyzeSentiment or if
                # AnnotateTextRequest.Features.extract_document_sentiment is set to
                # true, this field will contain the sentiment for the sentence.
                # the text.
              "polarity": 3.14, # DEPRECATED FIELD - This field is being deprecated in
                  # favor of score. Please refer to our documentation at
                  # https://cloud.google.com/natural-language/docs for more information.
              "score": 3.14, # Sentiment score between -1.0 (negative sentiment) and 1.0
                  # (positive sentiment).
              "magnitude": 3.14, # A non-negative number in the [0, +inf) range, which represents
                  # the absolute magnitude of sentiment regardless of score (positive or
                  # negative).
            },
          },
        ],
      }

`analyzeSyntax(body, x__xgafv=None)`

    Analyzes the syntax of the text and provides sentence boundaries and
    tokenization along with part of speech tags, dependency trees, and other
    properties.

    Args:
      body: object, The request body. (required)
        The object takes the form of:

    { # The syntax analysis request message.
        "encodingType": "A String", # The encoding type used by the API to calculate offsets.
        "document": { # ################################################################ # # Input document.
            #
            # Represents the input to API methods.
          "content": "A String", # The content of the input in string format.
          "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
              # returns an `INVALID_ARGUMENT` error.
          "language": "A String", # The language of the document (if not specified, the language is
              # automatically detected). Both ISO and BCP-47 language codes are
              # accepted.

              # [Language Support](/natural-language/docs/languages)
              # lists currently supported languages for each API method.
              # If the language (either specified by the caller or automatically detected)
              # is not supported by the called API method, an `INVALID_ARGUMENT` error
              # is returned.
          "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
              # This URI must be of the form: gs://bucket_name/object_name. For more
              # details, see https://cloud.google.com/storage/docs/reference-uris.
              # NOTE: Cloud Storage object versioning is not supported.
        },
      }

      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # The syntax analysis response message.
        "tokens": [ # Tokens, along with their syntactic information, in the input document.
          { # Represents the smallest syntactic building block of the text.
            "text": { # Represents an output piece of text. # The token text.
              "content": "A String", # The content of the output text.
              "beginOffset": 42, # The API calculates the beginning offset of the content in the original
                  # document according to the EncodingType specified in the API request.
            },
            "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
              "case": "A String", # The grammatical case.
              "reciprocity": "A String", # The grammatical reciprocity.
              "mood": "A String", # The grammatical mood.
              "form": "A String", # The grammatical form.
              "gender": "A String", # The grammatical gender.
              "number": "A String", # The grammatical number.
              "person": "A String", # The grammatical person.
              "tag": "A String", # The part of speech tag.
              "tense": "A String", # The grammatical tense.
              "aspect": "A String", # The grammatical aspect.
              "proper": "A String", # The grammatical properness.
              "voice": "A String", # The grammatical voice.
            },
            "dependencyEdge": { # Represents dependency parse tree information for a token. # Dependency tree parse for this token.
              "headTokenIndex": 42, # Represents the head of this token in the dependency tree.
                  # This is the index of the token which has an arc going to this token.
                  # The index is the position of the token in the array of tokens returned
                  # by the API method. If this token is a root token, then the
                  # `head_token_index` is its own index.
              "label": "A String", # The parse label for the token.
            },
            "lemma": "A String", # [Lemma](https://en.wikipedia.org/wiki/Lemma_%28morphology%29) of the token.
          },
        ],
        "language": "A String", # The language of the text, which will be the same as the language specified
            # in the request or, if not specified, the automatically-detected language.
            # See Document.language field for more details.
        "sentences": [ # Sentences in the input document.
          { # Represents a sentence in the input document.
            "text": { # Represents an output piece of text. # The sentence text.
              "content": "A String", # The content of the output text.
              "beginOffset": 42, # The API calculates the beginning offset of the content in the original
                  # document according to the EncodingType specified in the API request.
            },
            "sentiment": { # Represents the feeling associated with the entire text or entities in # For calls to AnalyzeSentiment or if
                # AnnotateTextRequest.Features.extract_document_sentiment is set to
                # true, this field will contain the sentiment for the sentence.
                # the text.
              "polarity": 3.14, # DEPRECATED FIELD - This field is being deprecated in
                  # favor of score. Please refer to our documentation at
                  # https://cloud.google.com/natural-language/docs for more information.
              "score": 3.14, # Sentiment score between -1.0 (negative sentiment) and 1.0
                  # (positive sentiment).
              "magnitude": 3.14, # A non-negative number in the [0, +inf) range, which represents
                  # the absolute magnitude of sentiment regardless of score (positive or
                  # negative).
            },
          },
        ],
      }

`annotateText(body, x__xgafv=None)`

    A convenience method that provides all the features that analyzeSentiment,
    analyzeEntities, and analyzeSyntax provide in one call.

    Args:
      body: object, The request body. (required)
        The object takes the form of:

    { # The request message for the text annotation API, which can perform multiple
          # analysis types (sentiment, entities, and syntax) in one call.
        "encodingType": "A String", # The encoding type used by the API to calculate offsets.
        "features": { # All available features for sentiment, syntax, and semantic analysis. # The enabled features.
            # Setting each one to true will enable that specific analysis for the input.
          "extractDocumentSentiment": True or False, # Extract document-level sentiment.
          "extractEntities": True or False, # Extract entities.
          "extractSyntax": True or False, # Extract syntax information.
        },
        "document": { # ################################################################ # # Input document.
            #
            # Represents the input to API methods.
          "content": "A String", # The content of the input in string format.
          "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
              # returns an `INVALID_ARGUMENT` error.
          "language": "A String", # The language of the document (if not specified, the language is
              # automatically detected). Both ISO and BCP-47 language codes are
              # accepted.

              # [Language Support](/natural-language/docs/languages)
              # lists currently supported languages for each API method.
              # If the language (either specified by the caller or automatically detected)
              # is not supported by the called API method, an `INVALID_ARGUMENT` error
              # is returned.
          "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
              # This URI must be of the form: gs://bucket_name/object_name. For more
              # details, see https://cloud.google.com/storage/docs/reference-uris.
              # NOTE: Cloud Storage object versioning is not supported.
        },
      }

      x__xgafv: string, V1 error format.
        Allowed values
          1 - v1 error format
          2 - v2 error format

    Returns:
      An object of the form:

        { # The text annotations response message.
        "tokens": [ # Tokens, along with their syntactic information, in the input document.
            # Populated if the user enables
            # AnnotateTextRequest.Features.extract_syntax.
          { # Represents the smallest syntactic building block of the text.
            "text": { # Represents an output piece of text. # The token text.
              "content": "A String", # The content of the output text.
              "beginOffset": 42, # The API calculates the beginning offset of the content in the original
                  # document according to the EncodingType specified in the API request.
            },
            "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
              "case": "A String", # The grammatical case.
              "reciprocity": "A String", # The grammatical reciprocity.
              "mood": "A String", # The grammatical mood.
              "form": "A String", # The grammatical form.
              "gender": "A String", # The grammatical gender.
              "number": "A String", # The grammatical number.
              "person": "A String", # The grammatical person.
              "tag": "A String", # The part of speech tag.
              "tense": "A String", # The grammatical tense.
              "aspect": "A String", # The grammatical aspect.
              "proper": "A String", # The grammatical properness.
              "voice": "A String", # The grammatical voice.
            },
            "dependencyEdge": { # Represents dependency parse tree information for a token. # Dependency tree parse for this token.
              "headTokenIndex": 42, # Represents the head of this token in the dependency tree.
                  # This is the index of the token which has an arc going to this token.
                  # The index is the position of the token in the array of tokens returned
                  # by the API method. If this token is a root token, then the
                  # `head_token_index` is its own index.
              "label": "A String", # The parse label for the token.
            },
            "lemma": "A String", # [Lemma](https://en.wikipedia.org/wiki/Lemma_%28morphology%29) of the token.
          },
        ],
        "entities": [ # Entities, along with their semantic information, in the input document.
            # Populated if the user enables
            # AnnotateTextRequest.Features.extract_entities.
          { # Represents a phrase in the text that is a known entity, such as
              # a person, an organization, or location. The API associates information, such
              # as salience and mentions, with entities.
            "mentions": [ # The mentions of this entity in the input document. The API currently
                # supports proper noun mentions.
              { # Represents a mention for an entity in the text. Currently, proper noun
                  # mentions are supported.
                "text": { # Represents an output piece of text. # The mention text.
                  "content": "A String", # The content of the output text.
                  "beginOffset": 42, # The API calculates the beginning offset of the content in the original
                      # document according to the EncodingType specified in the API request.
                },
                "type": "A String", # The type of the entity mention.
              },
            ],
            "salience": 3.14, # The salience score associated with the entity in the [0, 1.0] range.
                #
                # The salience score for an entity provides information about the
                # importance or centrality of that entity to the entire document text.
                # Scores closer to 0 are less salient, while scores closer to 1.0 are highly
                # salient.
            "type": "A String", # The entity type.
            "name": "A String", # The representative name for the entity.
            "metadata": { # Metadata associated with the entity.
                #
                # Currently, Wikipedia URLs and Knowledge Graph MIDs are provided, if
                # available. The associated keys are "wikipedia_url" and "mid", respectively.
              "a_key": "A String",
            },
          },
        ],
        "documentSentiment": { # Represents the feeling associated with the entire text or entities in # The overall sentiment for the document. Populated if the user enables
            # AnnotateTextRequest.Features.extract_document_sentiment.
            # the text.
          "polarity": 3.14, # DEPRECATED FIELD - This field is being deprecated in
              # favor of score. Please refer to our documentation at
              # https://cloud.google.com/natural-language/docs for more information.
          "score": 3.14, # Sentiment score between -1.0 (negative sentiment) and 1.0
              # (positive sentiment).
          "magnitude": 3.14, # A non-negative number in the [0, +inf) range, which represents
              # the absolute magnitude of sentiment regardless of score (positive or
              # negative).
        },
        "language": "A String", # The language of the text, which will be the same as the language specified
            # in the request or, if not specified, the automatically-detected language.
            # See Document.language field for more details.
        "sentences": [ # Sentences in the input document. Populated if the user enables
            # AnnotateTextRequest.Features.extract_syntax.
          { # Represents a sentence in the input document.
            "text": { # Represents an output piece of text. # The sentence text.
              "content": "A String", # The content of the output text.
              "beginOffset": 42, # The API calculates the beginning offset of the content in the original
                  # document according to the EncodingType specified in the API request.
            },
            "sentiment": { # Represents the feeling associated with the entire text or entities in # For calls to AnalyzeSentiment or if
                # AnnotateTextRequest.Features.extract_document_sentiment is set to
                # true, this field will contain the sentiment for the sentence.
                # the text.
              "polarity": 3.14, # DEPRECATED FIELD - This field is being deprecated in
                  # favor of score. Please refer to our documentation at
                  # https://cloud.google.com/natural-language/docs for more information.
              "score": 3.14, # Sentiment score between -1.0 (negative sentiment) and 1.0
                  # (positive sentiment).
              "magnitude": 3.14, # A non-negative number in the [0, +inf) range, which represents
                  # the absolute magnitude of sentiment regardless of score (positive or
                  # negative).
            },
          },
        ],
      }