blob: 50ee6c95c79a433608bc09de10c0843a549473a6 [file] [log] [blame]
Guido van Rossumbabe2bf1992-01-22 22:21:31 +00001# Redo the `...` (representation) but with limits on most sizes.
2
3import string
4
5class Repr:
Guido van Rossum7bc817d1993-12-17 15:25:27 +00006 def __init__(self):
Guido van Rossumbabe2bf1992-01-22 22:21:31 +00007 self.maxlevel = 6
8 self.maxtuple = 6
9 self.maxlist = 6
10 self.maxdict = 4
11 self.maxstring = 30
12 self.maxlong = 40
13 self.maxother = 20
Guido van Rossumbabe2bf1992-01-22 22:21:31 +000014 def repr(self, x):
15 return self.repr1(x, self.maxlevel)
16 def repr1(self, x, level):
17 typename = `type(x)`[7:-2] # "<type '......'>"
18 if ' ' in typename:
19 parts = string.split(typename)
20 typename = string.joinfields(parts, '_')
21 try:
22 f = eval('self.repr_' + typename)
23 except AttributeError:
24 s = `x`
25 if len(s) > self.maxother:
26 i = max(0, (self.maxother-3)/2)
27 j = max(0, self.maxother-3-i)
28 s = s[:i] + '...' + s[len(s)-j:]
29 return s
30 return f(x, level)
31 def repr_tuple(self, x, level):
32 n = len(x)
33 if n == 0: return '()'
34 if level <= 0: return '(...)'
35 s = ''
36 for i in range(min(n, self.maxtuple)):
37 if s: s = s + ', '
38 s = s + self.repr1(x[i], level-1)
39 if n > self.maxtuple: s = s + ', ...'
40 elif n == 1: s = s + ','
41 return '(' + s + ')'
42 def repr_list(self, x, level):
43 n = len(x)
44 if n == 0: return '[]'
45 if level <= 0: return '[...]'
46 s = ''
47 for i in range(min(n, self.maxlist)):
48 if s: s = s + ', '
49 s = s + self.repr1(x[i], level-1)
50 if n > self.maxlist: s = s + ', ...'
51 return '[' + s + ']'
52 def repr_dictionary(self, x, level):
53 n = len(x)
54 if n == 0: return '{}'
55 if level <= 0: return '{...}'
56 s = ''
57 keys = x.keys()
58 keys.sort()
59 for i in range(min(n, self.maxdict)):
60 if s: s = s + ', '
61 key = keys[i]
62 s = s + self.repr1(key, level-1)
63 s = s + ': ' + self.repr1(x[key], level-1)
64 if n > self.maxlist: s = s + ', ...'
65 return '{' + s + '}'
66 def repr_string(self, x, level):
67 s = `x[:self.maxstring]`
68 if len(s) > self.maxstring:
69 i = max(0, (self.maxstring-3)/2)
70 j = max(0, self.maxstring-3-i)
71 s = s[:i] + '...' + s[len(s)-j:]
72 return s
73 def repr_long_int(self, x, level):
74 s = `x` # XXX Hope this isn't too slow...
75 if len(s) > self.maxlong:
76 i = max(0, (self.maxlong-3)/2)
77 j = max(0, self.maxlong-3-i)
78 s = s[:i] + '...' + s[len(s)-j:]
79 return s
80
Guido van Rossum7bc817d1993-12-17 15:25:27 +000081aRepr = Repr()
Guido van Rossumbabe2bf1992-01-22 22:21:31 +000082repr = aRepr.repr