Moved unwrap to its own standalone package.

setup.cfg

@@ -12,6 +12,9 @@ classifier =
     Development Status :: 4 - Beta
     Programming Language :: Python
 
+install_requires =
+    textunwrap
+
 [entry_points]
 # Add here console scripts like:
 # console_scripts =

src/licensename/licensename.py

@@ -18,6 +18,7 @@ import sys
 import re
 
 
+from textunwrap import unwrap
 from licensename import __version__
 from licensename.known_licenses import KNOWN_FIRST_LINES
 
@@ -38,36 +39,6 @@ BULLET_ITEM = r'(?:{spaces}*{bullet_marker}{spaces}+)'.format(
     spaces=SPACES)
 
 
-def unwrap(text):
-    in_bullet_list = False
-    def from_same_paragraph(line_a, line_b, median_len=70):
-        nonlocal in_bullet_list
-        if re.match(BULLET_ITEM, line_b):
-            in_bullet_list = True
-            return False
-        if line_b.startswith(' ') and in_bullet_list:
-            return True
-        if not line_b and in_bullet_list:
-            in_bullet_list = False
-        if not line_a.strip():
-            return False
-        if ((median_len * .72 < len(line_a) < median_len * 2.5 and
-             3 < len(line_b) < median_len * 2.5)):
-            return True
-        return False
-
-    lines = text.split('\n')
-    paragraphs = [[]]
-    previous_line = ''
-    for line in lines:
-        if from_same_paragraph(previous_line, line):
-            paragraphs[-1].append(line)
-        elif line:
-            paragraphs.append([line])
-        previous_line = line
-    return '\n\n'.join(' '.join(lines) for lines in paragraphs if lines)
-
-
 def line_match_pattern(line, patterns):
     if isinstance(patterns, str):
         return patterns

tests/test_licensename.py

@@ -26,9 +26,3 @@ FIXTURE_DIR = os.path.join(
      glob.glob(os.path.join(FIXTURE_DIR, '*.txt'))])
 def test_files(license_file, license_name):
     assert from_file(license_file) == license_name
-
-
-def test_unwrap():
-    assert unwrap("") == ""
-    assert unwrap("foo") == "foo"
-    assert unwrap("foo\nbar") == "foo\n\nbar"