# Path: discodop/tree.py
# def escape(text):
# 	"""Escape all occurrences of parentheses and replace None with ''."""
# 	return '' if text is None else text.replace(
# 			'(', '#LRB#').replace(')', '#RRB#')
# 
# Path: discodop/util.py
# def which(program, exception=True):
# 	"""Return first match for program in search path.
# 
# 	:param exception: By default, ValueError is raised when program not found.
# 		Pass False to return None in this case.
# 	"""
# 	for path in os.environ.get('PATH', os.defpath).split(":"):
# 		if path and os.path.exists(os.path.join(path, program)):
# 			return os.path.join(path, program)
# 	if exception:
# 		raise ValueError('%r not found in path; please install it.' % program)


import os
import re
import logging
import tempfile
from operator import itemgetter
from subprocess import Popen, PIPE
from collections import defaultdict, Counter, OrderedDict
from .tree import escape
from .util import which
from .containers import REMOVESTATESPLITS
			tags[tag] += 1
			wordtags[word, tag] += 1
	openclasstags = {}
	if openclassthreshold:
		# consider POS tags with different function tags together
		wordsforcollapsedtags = defaultdict(set)
		for tag, ws in wordsfortag.items():
			match = REMOVESTATESPLITS.match(tag)
			if match is not None:
				tag1 = match.group(2)
				wordsforcollapsedtags[tag1].update(w.lower() for w in ws)
		for tag, ws in wordsfortag.items():
			match = REMOVESTATESPLITS.match(tag)
			if match is None:  # should not happen (tm), only for robustness
				if len({w.lower() for w in ws}) >= openclassthreshold:
					openclasstags[tag] = len({w.lower() for w in ws})
			elif (len(wordsforcollapsedtags[match.group(2)])
					>= openclassthreshold):
				openclasstags[tag] = len({w.lower() for w in ws})
		closedclasstags = {tag: len({w.lower() for w in wordsfortag[tag]})
				for tag in tags if tag not in openclasstags}
		# FIXME: do we want to preserve case? could simplify code otherwise
		closedclasswords = {word for tag in closedclasstags
				for word in wordsfortag[tag]}
		# NB: words below unknown word threshold are included
		# openclasswords = words.keys() - closedclasswords
		# add rare closed-class words back to lexicon
		lexicon.update(closedclasswords)
	else:
		closedclasswords = set()

# Path: discodop/tree.py
# def escape(text):
# 	"""Escape all occurrences of parentheses and replace None with ''."""
# 	return '' if text is None else text.replace(
# 			'(', '#LRB#').replace(')', '#RRB#')
# 
# Path: discodop/util.py
# def which(program, exception=True):
# 	"""Return first match for program in search path.
# 
# 	:param exception: By default, ValueError is raised when program not found.
# 		Pass False to return None in this case.
# 	"""
# 	for path in os.environ.get('PATH', os.defpath).split(":"):
# 		if path and os.path.exists(os.path.join(path, program)):
# 			return os.path.join(path, program)
# 	if exception:
# 		raise ValueError('%r not found in path; please install it.' % program)


# Path: discodop/lexicon.py
import os
import re
import logging
import tempfile
from operator import itemgetter
from subprocess import Popen, PIPE
from collections import defaultdict, Counter, OrderedDict
from .tree import escape
from .util import which
from .containers import REMOVESTATESPLITS

			tags[tag] += 1
			wordtags[word, tag] += 1
	openclasstags = {}
	if openclassthreshold:
		# consider POS tags with different function tags together
		wordsforcollapsedtags = defaultdict(set)
		for tag, ws in wordsfortag.items():
			match = REMOVESTATESPLITS.match(tag)
			if match is not None:
				tag1 = match.group(2)
				wordsforcollapsedtags[tag1].update(w.lower() for w in ws)
		for tag, ws in wordsfortag.items():
			match = REMOVESTATESPLITS.match(tag)
			if match is None:  # should not happen (tm), only for robustness
				if len({w.lower() for w in ws}) >= openclassthreshold:
					openclasstags[tag] = len({w.lower() for w in ws})
			elif (len(wordsforcollapsedtags[match.group(2)])
					>= openclassthreshold):
				openclasstags[tag] = len({w.lower() for w in ws})
		closedclasstags = {tag: len({w.lower() for w in wordsfortag[tag]})
				for tag in tags if tag not in openclasstags}
		# FIXME: do we want to preserve case? could simplify code otherwise
		closedclasswords = {word for tag in closedclasstags
				for word in wordsfortag[tag]}
		# NB: words below unknown word threshold are included
		# openclasswords = words.keys() - closedclasswords
		# add rare closed-class words back to lexicon
		lexicon.update(closedclasswords)
	else:
		closedclasswords = set()

	sigs = Counter()