Since this thing is on the innerwebs I suppose it should have a

[python_utils.git] / text_utils.py

diff --git a/text_utils.py b/text_utils.py
index 17ac64472e2c8e944335e656de331f8b60e53862..f04c61813ef227c4bfe356f42d08c59f2234132c 100644 (file)
--- a/text_utils.py
+++ b/text_utils.py
@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
+# © Copyright 2021-2022, Scott Gasch
+
 """Utilities for dealing with "text"."""
 
 import contextlib
@@ -318,26 +320,53 @@ class Indenter(contextlib.AbstractContextManager):
         print(self.pad_prefix + self.padding * self.level + text, end='')
 
 
-def header(title: str, *, width: int = 80, color: str = ''):
+def header(
+    title: str,
+    *,
+    width: Optional[int] = None,
+    align: Optional[str] = None,
+    style: Optional[str] = 'solid',
+):
     """
     Returns a nice header line with a title.
 
-    >>> header('title', width=60, color='')
+    >>> header('title', width=60, style='ascii')
     '----[ title ]-----------------------------------------------'
 
     """
-    w = width
-    w -= len(string_utils.strip_ansi_sequences(title)) + 4
-    if w >= 4:
-        left = 4 * '-'
-        right = (w - 4) * '-'
-        if color != '' and color is not None:
-            r = reset()
-        else:
-            r = ''
-        return f'{left}[ {color}{title}{r} ]{right}'
+    if not width:
+        width = get_console_rows_columns().columns
+    if not align:
+        align = 'left'
+    if not style:
+        style = 'ascii'
+
+    text_len = len(string_utils.strip_ansi_sequences(title))
+    if align == 'left':
+        left = 4
+        right = width - (left + text_len + 4)
+    elif align == 'right':
+        right = 4
+        left = width - (right + text_len + 4)
+    else:
+        left = int((width - (text_len + 4)) / 2)
+        right = left
+        while left + text_len + 4 + right < width:
+            right += 1
+
+    if style == 'solid':
+        line_char = '━'
+        begin = ''
+        end = ''
+    elif style == 'dashed':
+        line_char = '┅'
+        begin = ''
+        end = ''
     else:
-        return ''
+        line_char = '-'
+        begin = '['
+        end = ']'
+    return line_char * left + begin + ' ' + title + ' ' + end + line_char * right
 
 
 def box(