def convert_file(filename):
tag_list = []
sent_tags = []
for line in open(filename):
line = line.strip()
if not line:
continue
elif line == '======================================':
# Check if there are any tags to record
if sent_tags:
tag_list.append(sent_tags)
sent_tags = []
else:
# Check if the chunk is a NP
np_match = re.match(r'^\[(.*)\]$', line)
if np_match:
tag_string = np_match.group(1).strip()
else:
tag_string = line
for token_id, token_tag in enumerate(tag_string.split(' ')):
# Watch out for cases where there are two+ spaces...
if not token_tag:
continue
# According the documentation NP Chunking isn't reliable
"""
# Get target val
target_val = 'O'
if np_match and token_id == 0:
target_val = 'B'
elif np_match:
target_val = 'I'
"""
# Record features, watch out for escaped / and |
token_tag = token_tag.replace('\/', ';;;')
token_tag = token_tag.replace('\|', ':::')
tp = token_tag.split('/')
if len(tp) != 2: # Handles unfiltered brackets
continue
token, tag = tp
token = token.replace(';;;', '\/')
token = token.replace(':::', '\|')
tag = tag.replace(';;;', '\/')
tag = tag.replace(':::', '\|')
# If multiple tags are given than take the first
tag = tag.split('|')[0]
# Check whether to include extra features
features_list = [token]
if USE_ALL_FEATURES:
features_list.extend(
feature_extraction.token_features(token))
# Add tag and append tuple
features_list.append(tag)
sent_tags.append(tuple(features_list))
return tag_list
#!/usr/bin/python
#####################################################################
# tweets2yamcha.py
#
# Converts tokenized twitter posts to yamcha format
#####################################################################
import sys
import feature_extraction
for line in sys.stdin:
line = line.rstrip("\n")
words = line.split(' ')
for word in words:
print word + " " + " ".join(feature_extraction.token_features(word))
print
