Last change
on this file since 2800 was
2193,
checked in by iannucci, 15 years ago
|
cosmetic change
|
-
Property svn:executable set to
*
|
File size:
1.3 KB
|
Line | |
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1 | class Record(object): |
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2 | _identity_field = None |
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3 | _default = {} |
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4 | _format = {} |
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5 | |
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6 | def get(self, field): |
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7 | v = getattr(self, field, None) |
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8 | if v is None: |
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9 | return self._default.get(field) |
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10 | return v |
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11 | |
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12 | def _formatField(self, field): |
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13 | v = self.get(field) |
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14 | func = self._format.get(field) |
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15 | if func: |
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16 | return func(v) |
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17 | if callable(v): |
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18 | v = v() |
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19 | if not hasattr(v, '__iter__'): |
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20 | return repr(v) |
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21 | if len(v) == 0: |
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22 | return '[]' |
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23 | return '[%d x %s]'%(len(v), type(v[0]).__name__) |
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24 | |
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25 | @classmethod |
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26 | def _ignore(cls): |
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27 | return [cls._identity_field] |
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28 | |
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29 | def _fields(self): |
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30 | ignore = self._ignore() |
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31 | keys = sorted(self.c.keys()) |
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32 | return [(k,self._formatField(k)) for k in keys if k not in ignore] |
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33 | |
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34 | def __repr__(self): |
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35 | classname = self.__class__.__name__ |
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36 | |
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37 | if self._identity_field: |
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38 | identity = self.__dict__.get(self._identity_field) |
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39 | identity = ' ' + (identity and repr(identity) or 'hash=%X'%hash(self)) |
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40 | else: |
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41 | identity = '' |
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42 | |
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43 | payload = " ".join(["%s=%s" % (k, v) for k,v in self._fields()]) |
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44 | if len(payload) > 0: |
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45 | payload = ": "+payload |
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46 | |
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47 | return "<%s%s%s>" % (classname, identity, payload) |
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