|
Last change
on this file since 2643 was
2193,
checked in by iannucci, 16 years ago
|
|
cosmetic change
|
-
Property svn:executable set to
*
|
|
File size:
1.3 KB
|
| Line | |
|---|
| 1 | class Record(object): |
|---|
| 2 | _identity_field = None |
|---|
| 3 | _default = {} |
|---|
| 4 | _format = {} |
|---|
| 5 | |
|---|
| 6 | def get(self, field): |
|---|
| 7 | v = getattr(self, field, None) |
|---|
| 8 | if v is None: |
|---|
| 9 | return self._default.get(field) |
|---|
| 10 | return v |
|---|
| 11 | |
|---|
| 12 | def _formatField(self, field): |
|---|
| 13 | v = self.get(field) |
|---|
| 14 | func = self._format.get(field) |
|---|
| 15 | if func: |
|---|
| 16 | return func(v) |
|---|
| 17 | if callable(v): |
|---|
| 18 | v = v() |
|---|
| 19 | if not hasattr(v, '__iter__'): |
|---|
| 20 | return repr(v) |
|---|
| 21 | if len(v) == 0: |
|---|
| 22 | return '[]' |
|---|
| 23 | return '[%d x %s]'%(len(v), type(v[0]).__name__) |
|---|
| 24 | |
|---|
| 25 | @classmethod |
|---|
| 26 | def _ignore(cls): |
|---|
| 27 | return [cls._identity_field] |
|---|
| 28 | |
|---|
| 29 | def _fields(self): |
|---|
| 30 | ignore = self._ignore() |
|---|
| 31 | keys = sorted(self.c.keys()) |
|---|
| 32 | return [(k,self._formatField(k)) for k in keys if k not in ignore] |
|---|
| 33 | |
|---|
| 34 | def __repr__(self): |
|---|
| 35 | classname = self.__class__.__name__ |
|---|
| 36 | |
|---|
| 37 | if self._identity_field: |
|---|
| 38 | identity = self.__dict__.get(self._identity_field) |
|---|
| 39 | identity = ' ' + (identity and repr(identity) or 'hash=%X'%hash(self)) |
|---|
| 40 | else: |
|---|
| 41 | identity = '' |
|---|
| 42 | |
|---|
| 43 | payload = " ".join(["%s=%s" % (k, v) for k,v in self._fields()]) |
|---|
| 44 | if len(payload) > 0: |
|---|
| 45 | payload = ": "+payload |
|---|
| 46 | |
|---|
| 47 | return "<%s%s%s>" % (classname, identity, payload) |
|---|
Note: See
TracBrowser
for help on using the repository browser.
