ひきつづき、WyPy 読み。lambda とか reduce を読むのが苦手なので、手続きっぽく書き換えました。おそらくは等価なコードは、以下のとおり。
#!/usr/bin/python
import re
import os
import cgi
d = os.listdir('.')
h = '<a href=wy?'
# BEFORE:
#p,e,g,s=tuple(map(cgi.parse().get,'pegs'))
#
# AFTER:
p = cgi.parse().get('p')
e = cgi.parse().get('e')
g = cgi.parse().get('g')
s = cgi.parse().get('s')
# BEFORE:
#f=lambda s:reduce(lambda s,(r,q): re.sub('(?m)'+r,q,s), (('\r',''),('([A-Z][a-z]+){2,}',lambda m:('%s'+h+'e=%s>?</a>',h+'g=%s>%s</a>')[m.group(0) in d]%((m.group(0),)*2)),('^{{$','<ul>'),('^# ','<li>'),('^}}$','</ul>'),('(http:[^<>"\s]+)',h[:-3]+r'\1>\1</a>'),('\n\n','<p>')),s)
#
# AFTER:
def findAndReplace(string, (pattern, repl)):
return re.sub('(?m)'+pattern, repl, string)
def replaceWikiWordWithLink(m):
if m.group(0) in d:
template = h+'g=%s>%s</a>'
else:
template = '%s'+h+'e=%s>?</a>'
return template % ((m.group(0),)*2)
def filter(s):
"""
s = findAndReplace(s, ('\r',''))
s = findAndReplace(s, ('([A-Z][a-z]+){2,}', replaceWikiWordWithLink))
s = findAndReplace(s, ('^{{$','<ul>'))
...
"""
return reduce(findAndReplace,
(('\r',''),
('([A-Z][a-z]+){2,}', replaceWikiWordWithLink),
('^{{$','<ul>'),
('^# ','<li>'),
('^}}$','</ul>'),
('(http:[^<>"\s]+)',h[:-3]+r'\1>\1</a>'),
('\n\n','<p>')),
s)
# BEFORE:
#o,g=lambda y:(y in d and cgi.escape(open(y).read()))or'',(g or p and[open(p[0].strip('./'),'w').write(s[0])or p[0]]or[0])[0]
# AFTER:
def o(y):
if y in d:
return cgi.escape(open(y).read())
else:
return ''
if g:
g = g[0]
elif p:
open(p[0].strip('./') ,'w').write(s[0])
g = p[0]
else:
g = 0
# BEFORE:
#print'Content-Type:text/html\n\n'+(s and', '.join([f(n)for
#n in d if s[0]in o(n)])or'')+(e and'<form action=wy?p=%s method=POST><textarea\
# name=s rows=8 cols=50>%s</textarea><input type=submit></form>'%(e[0],o(e[0]))
#or'')+(g and'<h1>%ss=%s>%s</a>,%se=%s>edit</a></h1>'%(h,g,g,h,g)+f(o(g))or'')
#
# AFTER:
print 'Content-Type:text/html\n\n'
if s:
print ', '.join([filter(n) for n in d if s[0]in o(n)])
else:
print ''
if e:
print '<form action=wypy.cgi?p=%s method=POST>' % e[0]
print '<textarea name=s rows=8 cols=50>%s</textarea>'% o(e[0])
print '<input type=submit>'
print '</form>'
if g:
print '<h1>%ss=%s>%s</a>,%se=%s>edit</a></h1>'%(h,g,g,h,g)
print filter(o(g))
