def _gen_find_command(coll, spec, projection, skip, limit, batch_size,
options, read_concern=DEFAULT_READ_CONCERN):
"""Generate a find command document."""
cmd = SON([('find', coll)])
if '$query' in spec:
cmd.update([(_MODIFIERS[key], val) if key in _MODIFIERS else (key, val)
for key, val in spec.items()])
if '$explain' in cmd:
cmd.pop('$explain')
if '$readPreference' in cmd:
cmd.pop('$readPreference')
else:
cmd['filter'] = spec
if projection:
cmd['projection'] = projection
if skip:
cmd['skip'] = skip
if limit:
cmd['limit'] = abs(limit)
if limit < 0:
cmd['singleBatch'] = True
if batch_size:
cmd['batchSize'] = batch_size
if read_concern.level:
cmd['readConcern'] = read_concern.document
if options:
cmd.update([(opt, True)
for opt, val in _OPTIONS.items()
if options & val])
return cmd
def simplify(case): # TODO this is a hack
if isinstance(case, SON) and "$ref" not in case:
simplified = SON(case) # make a copy!
if random.choice([True, False]):
# delete
if not len(simplified.keys()):
return (False, case)
del simplified[random.choice(simplified.keys())]
return (True, simplified)
else:
# simplify a value
if not len(simplified.items()):
return (False, case)
(key, value) = random.choice(simplified.items())
(success, value) = simplify(value)
simplified[key] = value
return (success, success and simplified or case)
if isinstance(case, list):
simplified = list(case)
if random.choice([True, False]):
# delete
if not len(simplified):
return (False, case)
simplified.pop(random.randrange(len(simplified)))
return (True, simplified)
else:
# simplify an item
if not len(simplified):
return (False, case)
index = random.randrange(len(simplified))
(success, value) = simplify(simplified[index])
simplified[index] = value
return (success, success and simplified or case)
return (False, case)
def _gen_find_command(coll, spec, projection, skip, limit, batch_size, options,
read_concern, collation=None):
"""Generate a find command document."""
cmd = SON([('find', coll)])
if '$query' in spec:
cmd.update([(_MODIFIERS[key], val) if key in _MODIFIERS else (key, val)
for key, val in spec.items()])
if '$explain' in cmd:
cmd.pop('$explain')
if '$readPreference' in cmd:
cmd.pop('$readPreference')
else:
cmd['filter'] = spec
if projection:
cmd['projection'] = projection
if skip:
cmd['skip'] = skip
if limit:
cmd['limit'] = abs(limit)
if limit < 0:
cmd['singleBatch'] = True
if batch_size:
cmd['batchSize'] = batch_size
if read_concern.level:
cmd['readConcern'] = read_concern.document
if collation:
cmd['collation'] = collation
if options:
cmd.update([(opt, True)
for opt, val in _OPTIONS.items()
if options & val])
return cmd
def _gen_find_command(coll, spec, projection, skip, limit, batch_size, options, read_concern=DEFAULT_READ_CONCERN):
"""Generate a find command document."""
cmd = SON([("find", coll)])
if "$query" in spec:
cmd.update([(_MODIFIERS[key], val) if key in _MODIFIERS else (key, val) for key, val in spec.items()])
if "$explain" in cmd:
cmd.pop("$explain")
if "$readPreference" in cmd:
cmd.pop("$readPreference")
else:
cmd["filter"] = spec
if projection:
cmd["projection"] = projection
if skip:
cmd["skip"] = skip
if limit:
cmd["limit"] = abs(limit)
if limit < 0:
cmd["singleBatch"] = True
if batch_size:
cmd["batchSize"] = batch_size
if read_concern.level:
cmd["readConcern"] = read_concern.document
if options:
cmd.update([(opt, True) for opt, val in _OPTIONS.items() if options & val])
return cmd
def to_mongo(self, use_db_field=True, fields=None):
"""
Return as SON data ready for use with MongoDB.
"""
if not fields:
fields = []
data = SON()
data['_id'] = None
data['_cls'] = self._class_name
# only root fields ['test1.a', 'test2'] => ['test1', 'test2']
root_fields = {f.split('.')[0] for f in fields}
for field_name in self:
if root_fields and field_name not in root_fields:
continue
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None:
f_inputs = field.to_mongo.__code__.co_varnames
ex_vars = {}
if fields and 'fields' in f_inputs:
key = '%s.' % field_name
embedded_fields = [
i.replace(key, '') for i in fields if i.startswith(key)
]
ex_vars['fields'] = embedded_fields
if 'use_db_field' in f_inputs:
ex_vars['use_db_field'] = use_db_field
value = field.to_mongo(value, **ex_vars)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if (value is not None) or (field.null):
if use_db_field:
data[field.db_field] = value
else:
data[field.name] = value
# Only add _cls if allow_inheritance is True
if not self._meta.get('allow_inheritance'):
data.pop('_cls')
return data
def to_mongo(self, use_db_field=True, fields=None):
"""
Return as SON data ready for use with MongoDB.
"""
if not fields:
fields = []
data = SON()
data['_id'] = None
data['_cls'] = self._class_name
# only root fields ['test1.a', 'test2'] => ['test1', 'test2']
root_fields = set([f.split('.')[0] for f in fields])
for field_name in self:
if root_fields and field_name not in root_fields:
continue
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None:
f_inputs = field.to_mongo.__code__.co_varnames
ex_vars = {}
if fields and 'fields' in f_inputs:
key = '%s.' % field_name
embedded_fields = [
i.replace(key, '') for i in fields
if i.startswith(key)]
ex_vars['fields'] = embedded_fields
if 'use_db_field' in f_inputs:
ex_vars['use_db_field'] = use_db_field
value = field.to_mongo(value, **ex_vars)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
if use_db_field:
data[field.db_field] = value
else:
data[field.name] = value
# Only add _cls if allow_inheritance is True
if not self._meta.get('allow_inheritance'):
data.pop('_cls')
return data
def to_son(self, include_empty=True, exclude_fields=None, only_fields=None):
"""
Return as a SON object.
The content is identical to the result of 'to_mongo', except that empty
fields are included and fields use their model names, instead of
database names (e.g. '_id' -> 'id').
Optionally, if include_empty is True (as it is by default), empty fields
are included.
Optionally, either of 'exclude_fields' or 'only_fields' (but not both)
may be specified, containing an iterable of field names to explicitly
include or exclude from the result. The 'id' field is always included.
"""
if (exclude_fields is not None) and (only_fields is not None):
raise Exception()
# TODO: convert reference fields as {'id':.., 'label':..}
# SON is ordered, so we must build a new one to change keys
reverse_db_field_map = dict(self._reverse_db_field_map)
reverse_db_field_map['_id'] = '_id'
reverse_db_field_map['_cls'] = '_type'
son = SON( (reverse_db_field_map[mongo_field], value)
for (mongo_field, value)
in self.to_mongo().iteritems() )
# TODO: remove compatibility field
son['id'] = son['_id']
if include_empty:
# 'to_mongo' omits empty fields
for field_name in self:
son.setdefault(field_name, None)
if exclude_fields is not None:
for field in exclude_fields:
if field not in ['_id', '_type', 'id']: # TODO: remove compatibility field
# use 'pop', in case 'include_empty' is False and the field doesn't exist
son.pop(field, None)
elif only_fields is not None:
only_fields = set(only_fields)
# always include '_id' and (optionally) '_type'
only_fields.add('_id')
only_fields.add('_type') # always include 'id'
only_fields.add('id') # TODO: remove compatibility field
for field in son.iterkeys():
if field not in only_fields:
del son[field]
return son
def _to_mongo(self, role=None):
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
EmbeddedDocumentField = _import_class("EmbeddedDocumentField")
GenericEmbeddedDocumentField = _import_class("GenericEmbeddedDocumentField")
parsed_role, role_filter = self._find_role(role=role)
for field_name in self:
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if parsed_role and role_filter:
if role_filter(field_name, value):
continue
if value is not None:
if isinstance(field, (EmbeddedDocumentField,
GenericEmbeddedDocumentField)):
value = field.to_mongo(value, role=role)
else:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
data[field.db_field] = value
# If "_id" has not been set, then try and set it
Document = _import_class("Document")
if isinstance(self, Document):
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None or (role_filter and
role_filter("id", value)):
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta') or
not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
return data
def to_mongo(self, use_db_field=True):
"""Return as SON data ready for use with MongoDB.
"""
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
for field_name in self:
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None:
EmbeddedDocument = _import_class("EmbeddedDocument")
if isinstance(value,
(EmbeddedDocument)) and use_db_field == False:
value = field.to_mongo(value, use_db_field)
else:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
if use_db_field:
data[field.db_field] = value
else:
data[field.name] = value
# If "_id" has not been set, then try and set it
Document = _import_class("Document")
if isinstance(self, Document):
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None:
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta')
or not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
return data
def to_mongo(self):
"""Return as SON data ready for use with MongoDB.
"""
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
traits = getattr(self.__class__, '_traits', None)
if traits:
data['_traits'] = [trait.__name__ for trait in traits]
for field_name in self:
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if value is not None:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
data[field.db_field] = value
# If "_id" has not been set, then try and set it
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None:
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta') or
not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
if not self._dynamic:
return data
# Sort dynamic fields by key
dynamic_fields = sorted(self._dynamic_fields.iteritems(),
key=operator.itemgetter(0))
for name, field in dynamic_fields:
data[name] = field.to_mongo(self._data.get(name, None))
return data
def to_mongo(self, use_db_field=True):
"""Return as SON data ready for use with MongoDB.
"""
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
for field_name in self:
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None:
EmbeddedDocument = _import_class("EmbeddedDocument")
if isinstance(value, (EmbeddedDocument)) and use_db_field==False:
value = field.to_mongo(value, use_db_field)
else:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
if use_db_field:
data[field.db_field] = value
else:
data[field.name] = value
# If "_id" has not been set, then try and set it
Document = _import_class("Document")
if isinstance(self, Document):
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None:
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta') or
not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
return data
def _gen_find_command(
coll,
spec,
projection,
skip,
limit,
batch_size,
options,
read_concern,
collation=None,
session=None,
allow_disk_use=None,
):
"""Generate a find command document."""
cmd = SON([("find", coll)])
if "$query" in spec:
cmd.update([(_MODIFIERS[key], val) if key in _MODIFIERS else (key, val)
for key, val in spec.items()])
if "$explain" in cmd:
cmd.pop("$explain")
if "$readPreference" in cmd:
cmd.pop("$readPreference")
else:
cmd["filter"] = spec
if projection:
cmd["projection"] = projection
if skip:
cmd["skip"] = skip
if limit:
cmd["limit"] = abs(limit)
if limit < 0:
cmd["singleBatch"] = True
if batch_size:
cmd["batchSize"] = batch_size
if read_concern.level and not (session and session.in_transaction):
cmd["readConcern"] = read_concern.document
if collation:
cmd["collation"] = collation
if allow_disk_use is not None:
cmd["allowDiskUse"] = allow_disk_use
if options:
cmd.update([(opt, True) for opt, val in _OPTIONS.items()
if options & val])
return cmd
def to_mongo(self):
"""Return as SON data ready for use with MongoDB.
"""
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
for field_name in self:
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if value is not None:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
data[field.db_field] = value
# If "_id" has not been set, then try and set it
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None:
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta')
or not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
if not self._dynamic:
return data
# Sort dynamic fields by key
dynamic_fields = sorted(self._dynamic_fields.iteritems(),
key=operator.itemgetter(0))
for name, field in dynamic_fields:
data[name] = field.to_mongo(self._data.get(name, None))
return data
def to_mongo(self,deref=True):
"""Return as SON data ready for use with MongoDB.
"""
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
ReferenceField = _import_class('ReferenceField')
for field_name in self:
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None and not isinstance(value,ReferenceField):
value = field.to_mongo(value)
elif value is not None and isinstance(field,ReferenceField):
value = field.to_mongo(value,deref)
#print field,value
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
data[field.db_field] = value
# If "_id" has not been set, then try and set it
Document = _import_class("Document")
if isinstance(self, Document):
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None:
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta') or
not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
#print 'data',data
return data
def _gen_find_command(coll, spec, projection, skip, limit, batch_size, options,
session, client, read_concern=DEFAULT_READ_CONCERN,
collation=None):
"""Generate a find command document."""
cmd = SON([('find', coll)])
if '$query' in spec:
cmd.update([(_MODIFIERS[key], val) if key in _MODIFIERS else (key, val)
for key, val in spec.items()])
if '$explain' in cmd:
cmd.pop('$explain')
if '$readPreference' in cmd:
cmd.pop('$readPreference')
else:
cmd['filter'] = spec
if projection:
cmd['projection'] = projection
if skip:
cmd['skip'] = skip
if limit:
cmd['limit'] = abs(limit)
if limit < 0:
cmd['singleBatch'] = True
if batch_size:
cmd['batchSize'] = batch_size
if read_concern.level:
cmd['readConcern'] = read_concern.document
if collation:
cmd['collation'] = collation
if options:
cmd.update([(opt, True)
for opt, val in _OPTIONS.items()
if options & val])
if session:
cmd['lsid'] = session._use_lsid()
if (session.options.causal_consistency
and session.operation_time is not None):
cmd.setdefault(
'readConcern', {})['afterClusterTime'] = session.operation_time
if client:
client._send_cluster_time(cmd, session)
return cmd
def to_mongo(self):
"""Return as SON data ready for use with MongoDB.
"""
data = SON()
data["_id"] = None
data["_cls"] = self._class_name
for field_name in self:
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
data[field.db_field] = value
# If "_id" has not been set, then try and set it
Document = _import_class("Document")
if isinstance(self, Document):
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data["_id"] is None:
data.pop("_id")
# Only add _cls if allow_inheritance is True
if not hasattr(self, "_meta") or not self._meta.get("allow_inheritance", ALLOW_INHERITANCE):
data.pop("_cls")
return data
def to_mongo(self, use_db_field=True, fields=None):
"""
Return as SON data ready for use with MongoDB.
"""
if not fields:
fields = []
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
EmbeddedDocumentField = _import_class("EmbeddedDocumentField")
# only root fields ['test1.a', 'test2'] => ['test1', 'test2']
root_fields = set([f.split('.')[0] for f in fields])
for field_name in self:
if root_fields and field_name not in root_fields:
continue
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None:
if isinstance(field, EmbeddedDocumentField):
if fields:
key = '%s.' % field_name
embedded_fields = [
i.replace(key, '') for i in fields
if i.startswith(key)
]
else:
embedded_fields = []
value = field.to_mongo(value,
use_db_field=use_db_field,
fields=embedded_fields)
else:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
if use_db_field:
data[field.db_field] = value
else:
data[field.name] = value
# If "_id" has not been set, then try and set it
Document = _import_class("Document")
if isinstance(self, Document):
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None:
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta')
or not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
return data
def to_mongo(self, use_db_field=True, fields=[]):
"""
Return as SON data ready for use with MongoDB.
"""
data = SON()
data["_id"] = None
data['_cls'] = self._class_name
EmbeddedDocumentField = _import_class("EmbeddedDocumentField")
# only root fields ['test1.a', 'test2'] => ['test1', 'test2']
root_fields = set([f.split('.')[0] for f in fields])
for field_name in self:
if root_fields and field_name not in root_fields:
continue
value = self._data.get(field_name, None)
field = self._fields.get(field_name)
if field is None and self._dynamic:
field = self._dynamic_fields.get(field_name)
if value is not None:
if isinstance(field, (EmbeddedDocumentField)):
if fields:
key = '%s.' % field_name
embedded_fields = [
i.replace(key, '') for i in fields
if i.startswith(key)]
else:
embedded_fields = []
value = field.to_mongo(value, use_db_field=use_db_field,
fields=embedded_fields)
else:
value = field.to_mongo(value)
# Handle self generating fields
if value is None and field._auto_gen:
value = field.generate()
self._data[field_name] = value
if value is not None:
if use_db_field:
data[field.db_field] = value
else:
data[field.name] = value
# If "_id" has not been set, then try and set it
Document = _import_class("Document")
if isinstance(self, Document):
if data["_id"] is None:
data["_id"] = self._data.get("id", None)
if data['_id'] is None:
data.pop('_id')
# Only add _cls if allow_inheritance is True
if (not hasattr(self, '_meta') or
not self._meta.get('allow_inheritance', ALLOW_INHERITANCE)):
data.pop('_cls')
return data
