Kill reduce(). A coproduction of John Reese, Jacques Frechet, and Alex M.
diff --git a/Lib/csv.py b/Lib/csv.py
index f213854..79d72b6 100644
--- a/Lib/csv.py
+++ b/Lib/csv.py
@@ -221,12 +221,10 @@
if m[n]:
spaces += 1
- quotechar = reduce(lambda a, b, quotes = quotes:
- (quotes[a] > quotes[b]) and a or b, quotes.keys())
+ quotechar = max(quotes, key=quotes.get)
if delims:
- delim = reduce(lambda a, b, delims = delims:
- (delims[a] > delims[b]) and a or b, delims.keys())
+ delim = max(delims, key=delims.get)
skipinitialspace = delims[delim] == spaces
if delim == '\n': # most likely a file with a single column
delim = ''
@@ -285,14 +283,12 @@
continue
# get the mode of the frequencies
if len(items) > 1:
- modes[char] = reduce(lambda a, b: a[1] > b[1] and a or b,
- items)
+ modes[char] = max(items, key=lambda x: x[1])
# adjust the mode - subtract the sum of all
# other frequencies
items.remove(modes[char])
modes[char] = (modes[char][0], modes[char][1]
- - reduce(lambda a, b: (0, a[1] + b[1]),
- items)[1])
+ - sum(item[1] for item in items))
else:
modes[char] = items[0]