| 1 | C:\tmp\djt\mysite>manage shell |
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| 2 | Could not open file <shell> for safe execution. |
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| 3 | Python 2.4 (#60, Feb 9 2005, 19:03:27) [MSC v.1310 32 bit (Intel)] |
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| 4 | Type "copyright", "credits" or "license" for more information. |
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| 5 | |
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| 6 | IPython 0.7.1.fix1 -- An enhanced Interactive Python. |
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| 7 | ? -> Introduction to IPython's features. |
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| 8 | %magic -> Information about IPython's 'magic' % functions. |
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| 9 | help -> Python's own help system. |
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| 10 | object? -> Details about 'object'. ?object also works, ?? prints more. |
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| 11 | |
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| 12 | In [1]: from mytest.models import * |
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| 13 | |
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| 14 | In [2]: m = mymodel.objects.get(id=1) |
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| 15 | |
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| 16 | In [3]: m |
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| 17 | Out[3]: <mymodel: mymodel object> |
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| 18 | |
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| 19 | In [4]: m.submodel.count() |
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| 20 | --------------------------------------------------------------------------- |
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| 21 | exceptions.TypeError Traceback (most recent ca |
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| 22 | last) |
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| 23 | |
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| 24 | C:\tmp\djt\mysite\<ipython console> |
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| 25 | |
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| 26 | C:\Python24\lib\site-packages\django\db\models\manager.py in count(self) |
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| 27 | 52 |
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| 28 | 53 def count(self): |
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| 29 | ---> 54 return self.get_query_set().count() |
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| 30 | 55 |
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| 31 | 56 def dates(self, *args, **kwargs): |
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| 32 | |
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| 33 | C:\Python24\lib\site-packages\django\db\models\query.py in count(self) |
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| 34 | 184 counter._limit = None |
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| 35 | 185 counter._select_related = False |
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| 36 | --> 186 select, sql, params = counter._get_sql_clause() |
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| 37 | 187 cursor = connection.cursor() |
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| 38 | 188 if self._distinct: |
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| 39 | |
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| 40 | C:\Python24\lib\site-packages\django\db\models\query.py in _get_sql_clause(sel |
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| 41 | |
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| 42 | 407 |
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| 43 | 408 # Convert self._filters into SQL. |
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| 44 | --> 409 tables2, joins2, where2, params2 = self._filters.get_sql(opts) |
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| 45 | 410 tables.extend(tables2) |
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| 46 | 411 joins.update(joins2) |
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| 47 | |
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| 48 | C:\Python24\lib\site-packages\django\db\models\query.py in get_sql(self, opts) |
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| 49 | 538 tables, joins, where, params = [], SortedDict(), [], [] |
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| 50 | 539 for val in self.args: |
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| 51 | --> 540 tables2, joins2, where2, params2 = val.get_sql(opts) |
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| 52 | 541 tables.extend(tables2) |
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| 53 | 542 joins.update(joins2) |
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| 54 | |
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| 55 | C:\Python24\lib\site-packages\django\db\models\query.py in get_sql(self, opts) |
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| 56 | 587 |
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| 57 | 588 def get_sql(self, opts): |
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| 58 | --> 589 return parse_lookup(self.kwargs.items(), opts) |
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| 59 | 590 |
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| 60 | 591 class QNot(Q): |
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| 61 | |
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| 62 | C:\Python24\lib\site-packages\django\db\models\query.py in parse_lookup(kwarg_it |
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| 63 | ems, opts) |
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| 64 | 695 raise TypeError, "Cannot parse keyword query %r" % kwarg |
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| 65 | |
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| 66 | 696 |
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| 67 | --> 697 tables2, joins2, where2, params2 = lookup_inner(path, clause |
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| 68 | , value, opts, opts.db_table, None) |
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| 69 | 698 tables.extend(tables2) |
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| 70 | 699 joins.update(joins2) |
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| 71 | |
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| 72 | C:\Python24\lib\site-packages\django\db\models\query.py in lookup_inner(path, cl |
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| 73 | ause, value, opts, table, column) |
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| 74 | 798 raise |
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| 75 | 799 else: # No match found. |
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| 76 | --> 800 raise TypeError, "Cannot resolve keyword '%s' into field" % name |
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| 77 | |
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| 78 | 801 |
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| 79 | 802 # Check to see if an intermediate join is required between current_t |
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| 80 | able |
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| 81 | |
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| 82 | TypeError: Cannot resolve keyword 'mymodel' into field |
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| 83 | |
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