Columnify text.

diff --git a/text_utils.py b/text_utils.py
index a71a99dff943df0058cf080100c7feeedf97a6ed..3b7a43ee4417409094e9f9c6504d4032796cace7 100644 (file)
--- a/text_utils.py
+++ b/text_utils.py
@@ -2,6 +2,7 @@
 
 """Utilities for dealing with "text"."""
 
+from collections import defaultdict
 import math
 import sys
 from typing import List, NamedTuple
@@ -151,3 +152,18 @@ def justify_text(text: str, *, width: int = 80, alignment: str = "c") -> str:
     if len(line) > 0:
         retval += "\n" + line[1:]
     return retval[1:]
+
+
+def generate_padded_columns(text: List[str]) -> str:
+    max_width = defaultdict(int)
+    for line in text:
+        for pos, word in enumerate(line.split()):
+            max_width[pos] = max(max_width[pos], len(word))
+
+    for line in text:
+        out = ""
+        for pos, word in enumerate(line.split()):
+            width = max_width[pos]
+            word = justify_string(word, width=width, alignment='l')
+            out += f'{word} '
+        yield out