Adding run_all_solutions.py

AllenDowney · AllenDowney · commit 837ae3f542c8 · 2015-07-13T16:17:30.000-04:00
diff --git a/code/run_all_solutions.py b/code/run_all_solutions.py
@@ -0,0 +1,74 @@
+"""This module contains a code example related to
+
+Think Python, 2nd Edition
+by Allen Downey
+http://thinkpython2.com
+
+Copyright 2015 Allen Downey
+
+License: http://creativecommons.org/licenses/by/4.0/
+"""
+
+from __future__ import print_function, division
+
+import os
+
+
+def pipe(cmd):
+    """Runs a command in a subprocess.
+
+    cmd: string Unix command
+
+    Returns (res, stat), the output of the subprocess and the exit status.
+    """
+    # Note: os.popen is deprecated
+    # now, which means we are supposed to stop using it and start using
+    # the subprocess module.  But for simple cases, I find
+    # subprocess more complicated than necessary.  So I am going
+    # to keep using os.popen until they take it away.
+
+    fp = os.popen(cmd)
+    res = fp.read()
+    stat = fp.close()
+    assert stat is None
+    return res, stat
+
+
+filenames = """
+ackermann_memo.py        grid.py             PokerHand.py
+ackermann.py             has_duplicates.py   PokerHandSoln.py
+anagram_db.py            header.py           polygon.py
+anagram_sets.py          inlist.py           reducible.py
+analyze_book1.py         interlock.py        reverse_pair.py
+analyze_book2.py         invert_dict.py      rotate_pairs.py
+analyze_book3.py         koch.py             rotate.py
+BadKangaroo.py           letters.py          sed.py
+birthday.py              Map.py              spiral.py
+Card.py                  markov.py           structshape.py
+cartalk1.py              Markov.py           Time1.py
+cartalk2.py              metathesis.py       Time1_soln.py
+cartalk3.py              most_frequent.py    Time2.py
+do_four.py               pace_calc.py        Time2_soln.py
+                         palindrome_soln.py  typewriter.py
+find_duplicates_copy.py  pie.py              unstable_sort.py
+find_duplicates.py       pi.py               walk.py
+flower.py                Point1.py           wordlist.py
+GoodKangaroo.py          Point1_soln.py      zipf.py
+"""
+
+slow_ones = """
+spiral.py                typewriter.py       pie.py
+flower.py                wordlist.py         polygon.py
+koch.py                  letters.py          zipf.py
+""".split()
+
+
+for filename in filenames.split():
+    print(filename)
+    if filename in slow_ones:
+        print('Skipping')
+        continue
+
+    res, stat = pipe('python ' + filename)
+    print(stat)
+
