Coding style

- Moved path_colored into lscolors.
  - Made lscolors a package.
  - Moved LS_COLORS.sh and LSCOLORS into lscolors.
- Moved fill3.join into termstr so that lscolors
  can depend on termstr only.

fill3/fill3/__init__.py

@@ -40,19 +40,10 @@ def appearance_dimensions(appearance):
         return 0, 0
 
 
-def join(seperator, parts):
-    if parts == []:
-        return ""
-    try:
-        return seperator.join(parts)
-    except TypeError:
-        return termstr.TermStr(seperator).join(parts)
-
-
 def join_horizontal(appearances):
     heights = set(len(appearance) for appearance in appearances)
     assert len(heights) == 1, heights
-    return [join("", parts) for parts in zip(*appearances)]
+    return [termstr.join("", parts) for parts in zip(*appearances)]
 
 
 def even_widths(column_widgets, width):

fill3/tests/fill3_test.py

@@ -6,6 +6,7 @@ import unittest
 
 import fill3
 import fill3.terminal as terminal
+import termstr
 
 
 class WidgetTests(unittest.TestCase):
@@ -14,7 +15,7 @@ class WidgetTests(unittest.TestCase):
     TEXT_B = fill3.Text("B")
 
     def assert_string(self, appearance, expected_string):
-        self.assertEqual(str(fill3.join("\n", appearance)), expected_string)
+        self.assertEqual(str(termstr.join("\n", appearance)), expected_string)
 
     def test_rows_widget(self):
         rows = fill3.Row([self.TEXT_A, self.TEXT_B])