Initial commit

venv/lib/python3.7/site-packages/nltk/help.py

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+# Natural Language Toolkit (NLTK) Help
+#
+# Copyright (C) 2001-2019 NLTK Project
+# Authors: Steven Bird <stevenbird1@gmail.com>
+# URL: <http://nltk.org/>
+# For license information, see LICENSE.TXT
+
+"""
+Provide structured access to documentation.
+"""
+from __future__ import print_function
+
+import re
+from textwrap import wrap
+
+from nltk.data import load
+
+
+def brown_tagset(tagpattern=None):
+    _format_tagset("brown_tagset", tagpattern)
+
+
+def claws5_tagset(tagpattern=None):
+    _format_tagset("claws5_tagset", tagpattern)
+
+
+def upenn_tagset(tagpattern=None):
+    _format_tagset("upenn_tagset", tagpattern)
+
+
+#####################################################################
+# UTILITIES
+#####################################################################
+
+
+def _print_entries(tags, tagdict):
+    for tag in tags:
+        entry = tagdict[tag]
+        defn = [tag + ": " + entry[0]]
+        examples = wrap(
+            entry[1], width=75, initial_indent='    ', subsequent_indent='    '
+        )
+        print("\n".join(defn + examples))
+
+
+def _format_tagset(tagset, tagpattern=None):
+    tagdict = load("help/tagsets/" + tagset + ".pickle")
+    if not tagpattern:
+        _print_entries(sorted(tagdict), tagdict)
+    elif tagpattern in tagdict:
+        _print_entries([tagpattern], tagdict)
+    else:
+        tagpattern = re.compile(tagpattern)
+        tags = [tag for tag in sorted(tagdict) if tagpattern.match(tag)]
+        if tags:
+            _print_entries(tags, tagdict)
+        else:
+            print("No matching tags found.")
+
+
+if __name__ == '__main__':
+    brown_tagset(r'NN.*')
+    upenn_tagset(r'.*\$')
+    claws5_tagset('UNDEFINED')
+    brown_tagset(r'NN')