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# Redo the `...` (representation) but with limits on most sizes.
import string
class Repr:
def __init__(self):
self.maxlevel = 6
self.maxtuple = 6
self.maxlist = 6
self.maxdict = 4
self.maxstring = 30
self.maxlong = 40
self.maxother = 20
def repr(self, x):
return self.repr1(x, self.maxlevel)
def repr1(self, x, level):
typename = `type(x)`[7:-2] # "<type '......'>"
if ' ' in typename:
parts = string.split(typename)
typename = string.joinfields(parts, '_')
if hasattr(self, 'repr_' + typename):
return getattr(self, 'repr_' + typename)(x, level)
else:
s = `x`
if len(s) > self.maxother:
i = max(0, (self.maxother-3)/2)
j = max(0, self.maxother-3-i)
s = s[:i] + '...' + s[len(s)-j:]
return s
def repr_tuple(self, x, level):
n = len(x)
if n == 0: return '()'
if level <= 0: return '(...)'
s = ''
for i in range(min(n, self.maxtuple)):
if s: s = s + ', '
s = s + self.repr1(x[i], level-1)
if n > self.maxtuple: s = s + ', ...'
elif n == 1: s = s + ','
return '(' + s + ')'
def repr_list(self, x, level):
n = len(x)
if n == 0: return '[]'
if level <= 0: return '[...]'
s = ''
for i in range(min(n, self.maxlist)):
if s: s = s + ', '
s = s + self.repr1(x[i], level-1)
if n > self.maxlist: s = s + ', ...'
return '[' + s + ']'
def repr_dictionary(self, x, level):
n = len(x)
if n == 0: return '{}'
if level <= 0: return '{...}'
s = ''
keys = x.keys()
keys.sort()
for i in range(min(n, self.maxdict)):
if s: s = s + ', '
key = keys[i]
s = s + self.repr1(key, level-1)
s = s + ': ' + self.repr1(x[key], level-1)
if n > self.maxlist: s = s + ', ...'
return '{' + s + '}'
def repr_string(self, x, level):
s = `x[:self.maxstring]`
if len(s) > self.maxstring:
i = max(0, (self.maxstring-3)/2)
j = max(0, self.maxstring-3-i)
s = `x[:i] + x[len(x)-j:]`
s = s[:i] + '...' + s[len(s)-j:]
return s
def repr_long_int(self, x, level):
s = `x` # XXX Hope this isn't too slow...
if len(s) > self.maxlong:
i = max(0, (self.maxlong-3)/2)
j = max(0, self.maxlong-3-i)
s = s[:i] + '...' + s[len(s)-j:]
return s
def repr_instance(self, x, level):
try:
s = `x`
# Bugs in x.__repr__() can cause arbitrary
# exceptions -- then make up something
except:
return '<' + x.__class__.__name__ + ' instance at ' + \
hex(id(x))[2:] + '>'
if len(s) > self.maxstring:
i = max(0, (self.maxstring-3)/2)
j = max(0, self.maxstring-3-i)
s = s[:i] + '...' + s[len(s)-j:]
return s
aRepr = Repr()
repr = aRepr.repr
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