def parse(self, text):
result = {}
doc = None
try:
text = urllib.unquote(text)
text = text.decode('utf-8')
doc = lf.parseText(text, self.english)
except Exception as ee:
logging.info(
'error in utf-8 decode - (will attempt latin-1 decode)')
logging.info(ee)
doc = lf.parseText(text.decode('latin-1'), self.english)
if doc is not None:
try:
functions = [
lf.tagSentences, lf.tagPOSTags, lf.tagNamedEntities,
lf.tagNounChunks
]
lf.run_functions(doc, result, *functions)
if 'named_entities' in result:
return json.dumps(result['named_entities'])
else:
raise NLPException('No named entities found.')
except Exception as e:
logging.error("Error in NLP: %s" % e)
return json.dumps({})
else:
logging.info(
'nothing returned from linguistic features parseText.')
return json.dumps({})
def parse(self, text):
result = {}
doc = None
try:
text = urllib.unquote(text)
text = text.decode('utf-8')
doc = lf.parseText(text, self.english)
except Exception as ee:
logging.info('error in utf-8 decode - (will attempt latin-1 decode)')
logging.info(ee)
doc = lf.parseText(text.decode('latin-1'), self.english)
if doc is not None:
try:
functions = [lf.tagSentences, lf.tagPOSTags, lf.tagNamedEntities, lf.tagNounChunks]
lf.run_functions(doc, result, *functions)
if 'named_entities' in result:
return json.dumps(result['named_entities'])
else:
raise NLPException('No named entities found.')
except Exception as e:
logging.error("Error in NLP: %s" % e)
return json.dumps({})
else:
logging.info('nothing returned from linguistic features parseText.')
return json.dumps({})
def run_nlp(input_text='', input_file='', input_directory='', output_directory='', output_json=True):
"""Extracts named entities (place names, etc...) from text through the use of natural language processing (NLP)l
:param input_text: input text to be processed -- optional
:param input_file: input file to be processed -- optional
:param input_directory: a directory of files to be processed
:param output_directory: an output directory where the output results are written to a JSON file -- optional
:param output_json: specify to output json result or not
"""
logging.info("recieved input text: %s " % input_text)
# Load the English model.
nlp = English()
source = None
if input_text:
source = [('stdin', input_text)]
if not source:
file_path = input_file
with codecs.open(file_path, 'r', 'utf-8') as f:
source = [(file_path, f.read())]
if not source:
if input_directory:
source = read_files(input_directory)
if not source:
source = ['stdin', sys.stdin.read()]
if source:
for name, text in source:
result = {}
try:
doc = lf.parseText(text, nlp)
except (UnicodeError, TypeError):
try:
doc = lf.parseText(text.decode('utf-8'), nlp)
except UnicodeDecodeError:
doc = lf.parseText(text.decode('latin-1'), nlp)
# The list of functions to run.
functions = [lf.tagSentences, lf.tagPOSTags, lf.tagNamedEntities, lf.tagNounChunks]
lf.run_functions(doc, result, *functions)
# Write results to a file.
if 'named_entities' in result:
if output_directory:
handle_result(result['named_entities'], name, output_directory)
else:
if output_json is True:
return json.dumps(result['named_entities'])
else:
return result['named_entities']
else:
raise NLPException('No named entities found.')
else:
raise NLPException('No text to process.')
def parse(self, text):
text = urllib.unquote(text)
result = {}
try:
doc = lf.parseText(text, self.english)
except (UnicodeError, TypeError):
try:
doc = lf.parseText(text.decode('utf-8'), self.english)
except UnicodeDecodeError:
doc = lf.parseText(text.decode('latin-1'), self.english)
try:
functions = [lf.tagSentences, lf.tagPOSTags, lf.tagNamedEntities, lf.tagNounChunks]
lf.run_functions(doc, result, *functions)
if 'named_entities' in result:
return json.dumps(result['named_entities'])
else:
raise NLPException('No named entities found.')
except Exception as e:
logging.error("Error in NLP: %s" % e)
def parse(self, text):
text = urllib.unquote(text)
result = {}
try:
doc = lf.parseText(text, self.english)
except (UnicodeError, TypeError):
try:
doc = lf.parseText(text.decode('utf-8'), self.english)
except UnicodeDecodeError:
doc = lf.parseText(text.decode('latin-1'), self.english)
try:
functions = [
lf.tagSentences, lf.tagPOSTags, lf.tagNamedEntities,
lf.tagNounChunks
]
lf.run_functions(doc, result, *functions)
if 'named_entities' in result:
return json.dumps(result['named_entities'])
else:
raise NLPException('No named entities found.')
except Exception as e:
logging.error("Error in NLP: %s" % e)
def run_nlp(input_text='',
input_file='',
input_directory='',
output_directory='',
output_json=True):
"""Extracts named entities (place names, etc...) from text through the use of natural language processing (NLP)l
:param input_text: input text to be processed -- optional
:param input_file: input file to be processed -- optional
:param input_directory: a directory of files to be processed
:param output_directory: an output directory where the output results are written to a JSON file -- optional
:param output_json: specify to output json result or not
"""
logging.info("recieved input text: %s " % input_text)
# Load the English model.
nlp = English()
source = None
if input_text:
source = [('stdin', input_text)]
if not source:
file_path = input_file
with codecs.open(file_path, 'r', 'utf-8') as f:
source = [(file_path, f.read())]
if not source:
if input_directory:
source = read_files(input_directory)
if not source:
source = ['stdin', sys.stdin.read()]
if source:
for name, text in source:
result = {}
try:
doc = lf.parseText(text, nlp)
except (UnicodeError, TypeError):
try:
doc = lf.parseText(text.decode('utf-8'), nlp)
except UnicodeDecodeError:
doc = lf.parseText(text.decode('latin-1'), nlp)
# The list of functions to run.
functions = [
lf.tagSentences, lf.tagPOSTags, lf.tagNamedEntities,
lf.tagNounChunks
]
lf.run_functions(doc, result, *functions)
# Write results to a file.
if 'named_entities' in result:
if output_directory:
handle_result(result['named_entities'], name,
output_directory)
else:
if output_json is True:
return json.dumps(result['named_entities'])
else:
return result['named_entities']
else:
raise NLPException('No named entities found.')
else:
raise NLPException('No text to process.')
