7 examples of 'django iterate over queryset' in Python

282
def iterator(self, *args, **kwargs):
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    for obj in super(EasyQuerySet, self).iterator(*args, **kwargs):
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        yield EasyInstance(self._easymodel, obj)

87
def __iter__(self):
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    if self._result_cache is None:
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        self._iter = self.iterator()
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        self._result_cache = []
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    if self._iter:
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        return self._result_iter()
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    # Python's list iterator is better than our version when we're just
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    # iterating over the cache.
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    return iter(self._result_cache)

97
def _result_iter(self):
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    pos = 0
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    while 1:
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        upper = len(self._result_cache)
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        while pos < upper:
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            yield self._result_cache[pos]
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            pos = pos + 1
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        if not self._iter:
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            raise StopIteration
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        if len(self._result_cache) <= pos:
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            self._fill_cache()

61
def __iter__(self):
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    if self.result_cache is None:
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        with connection.cursor() as cursor:
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            cursor.execute(self.query, self.args)
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            self.result_cache = cursor.fetchall()
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    return iter(self.result_cache)

143
def __iter__(self) -> Iterator[T]:
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    """Iterate through all models."""
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    return iter(self.objs)

43
def iterator(self):
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    try:
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        key = self.generate_key()
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    # workaround for Django bug # 12717
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    except EmptyResultSet:
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        return
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    result_set = self.cache_backend.get(key)
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    if result_set is None:
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        logger.debug('cache miss for key {0}'.format(key))
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        result_set = list(super(CachingQuerySet, self).iterator())
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        self.cache_backend.set(key, result_set)
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    for result in result_set:
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        yield result

250
def get_db_prep_value(self, value, connection, prepared=False):
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    if not prepared:
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        value = self.get_prep_value(value)
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        if value is None:
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            return None
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    # If the value is an empty iterable, store None
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    if value == self._iterable_type([]):
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        return None
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    return self._map(self.item_field_type.get_db_prep_save, value,
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                     connection=connection)