def test_constructor(self):
from google.cloud.language.api_responses import SyntaxResponse
from google.cloud.language.sentence import Sentence
from google.cloud.language.syntax import Token
syntax_response = SyntaxResponse(
language='en',
sentences=[Sentence.from_api_repr(self.SENTENCE_DICT)],
tokens=[Token.from_api_repr(self.TOKEN_DICT)],
)
self._verify_syntax_response(syntax_response)
def from_api_repr(cls, payload):
"""Return an syntax response from a JSON representation.
:type payload: dict
:param payload: A dictionary representing the response.
:rtype: `~.language.syntax.Syntax`
:returns: A ``Syntax`` object.
"""
return cls(
language=payload.get('language'),
sentences=[Sentence.from_api_repr(sentence) for sentence in
payload.get('sentences', ())],
tokens=[Token.from_api_repr(token) for token in
payload.get('tokens', ())]
)
def analyze_syntax(self):
"""Analyze the syntax in the current document.
.. _analyzeSyntax: https://cloud.google.com/natural-language/\
reference/rest/v1/documents/analyzeSyntax
See `analyzeSyntax`_.
:rtype: list
:returns: A list of :class:`~.language.syntax.Token` returned from
the API.
"""
data = {
'document': self._to_dict(),
'encodingType': self.encoding,
}
api_response = self.client._connection.api_request(
method='POST', path='analyzeSyntax', data=data)
return [Token.from_api_repr(token)
for token in api_response.get('tokens', ())]
def analyze_syntax(self):
"""Analyze the syntax in the current document.
.. _analyzeSyntax: https://cloud.google.com/natural-language/\
reference/rest/v1/documents/analyzeSyntax
See `analyzeSyntax`_.
:rtype: list
:returns: A list of :class:`~.language.syntax.Token` returned from
the API.
"""
data = {
'document': self._to_dict(),
'encodingType': self.encoding,
}
api_response = self.client._connection.api_request(
method='POST', path='analyzeSyntax', data=data)
return [Token.from_api_repr(token)
for token in api_response.get('tokens', ())]
def annotate_text(self,
include_syntax=True,
include_entities=True,
include_sentiment=True):
"""Advanced natural language API: document syntax and other features.
Includes the full functionality of :meth:`analyze_entities` and
:meth:`analyze_sentiment`, enabled by the flags
``include_entities`` and ``include_sentiment`` respectively.
In addition ``include_syntax`` adds a new feature that analyzes
the document for semantic and syntacticinformation.
.. note::
This API is intended for users who are familiar with machine
learning and need in-depth text features to build upon.
.. _annotateText: https://cloud.google.com/natural-language/\
reference/rest/v1/documents/annotateText
See `annotateText`_.
:type include_syntax: bool
:param include_syntax: (Optional) Flag to enable syntax analysis
of the current document.
:type include_entities: bool
:param include_entities: (Optional) Flag to enable entity extraction
from the current document.
:type include_sentiment: bool
:param include_sentiment: (Optional) Flag to enable sentiment
analysis of the current document.
:rtype: :class:`Annotations`
:returns: A tuple of each of the four values returned from the API:
sentences, tokens, sentiment and entities.
"""
features = {}
if include_syntax:
features['extractSyntax'] = True
if include_entities:
features['extractEntities'] = True
if include_sentiment:
features['extractDocumentSentiment'] = True
data = {
'document': self._to_dict(),
'features': features,
'encodingType': self.encoding,
}
api_response = self.client._connection.api_request(method='POST',
path='annotateText',
data=data)
sentences = [
Sentence.from_api_repr(sentence)
for sentence in api_response['sentences']
]
tokens = [
Token.from_api_repr(token) for token in api_response['tokens']
]
sentiment_info = api_response.get('documentSentiment')
if sentiment_info is None:
sentiment = None
else:
sentiment = Sentiment.from_api_repr(sentiment_info)
entities = [
Entity.from_api_repr(entity) for entity in api_response['entities']
]
annotations = Annotations(
sentences=sentences,
tokens=tokens,
sentiment=sentiment,
entities=entities,
)
return annotations
def annotate_text(self, include_syntax=True, include_entities=True,
include_sentiment=True):
"""Advanced natural language API: document syntax and other features.
Includes the full functionality of :meth:`analyze_entities` and
:meth:`analyze_sentiment`, enabled by the flags
``include_entities`` and ``include_sentiment`` respectively.
In addition ``include_syntax`` adds a new feature that analyzes
the document for semantic and syntacticinformation.
.. note::
This API is intended for users who are familiar with machine
learning and need in-depth text features to build upon.
.. _annotateText: https://cloud.google.com/natural-language/\
reference/rest/v1/documents/annotateText
See `annotateText`_.
:type include_syntax: bool
:param include_syntax: (Optional) Flag to enable syntax analysis
of the current document.
:type include_entities: bool
:param include_entities: (Optional) Flag to enable entity extraction
from the current document.
:type include_sentiment: bool
:param include_sentiment: (Optional) Flag to enable sentiment
analysis of the current document.
:rtype: :class:`Annotations`
:returns: A tuple of each of the four values returned from the API:
sentences, tokens, sentiment and entities.
"""
features = {}
if include_syntax:
features['extractSyntax'] = True
if include_entities:
features['extractEntities'] = True
if include_sentiment:
features['extractDocumentSentiment'] = True
data = {
'document': self._to_dict(),
'features': features,
'encodingType': self.encoding,
}
api_response = self.client._connection.api_request(
method='POST', path='annotateText', data=data)
sentences = [Sentence.from_api_repr(sentence)
for sentence in api_response['sentences']]
tokens = [Token.from_api_repr(token)
for token in api_response['tokens']]
sentiment_info = api_response.get('documentSentiment')
if sentiment_info is None:
sentiment = None
else:
sentiment = Sentiment.from_api_repr(sentiment_info)
entities = [Entity.from_api_repr(entity)
for entity in api_response['entities']]
annotations = Annotations(
sentences=sentences,
tokens=tokens,
sentiment=sentiment,
entities=entities,
)
return annotations