PostgresQuery._is_hstore_field() - Code Metrics - Inspection of "Merge pull request #35 from seroy/django20-compati..." - SectorLabs/django-postgres-extra - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 65c5ff...76b686 )

by Swen

created 2018-01-24 21:28 UTC

PostgresQuery._is_hstore_field() A

↳ Parent: PostgresQuery

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	4

Importance

Changes

Metric	Value
cc	4
dl	0
loc	17
ccs	7
cts	7
cp	1
crap	4
rs	9.2
c	0
b	0
f	0

from typing import List, Tuple, Optional, Dict, Any
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3
from enum import Enum

from django.db import models
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3
from django.db.models import sql
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3
from django.db.models.constants import LOOKUP_SEP
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3
from django.core.exceptions import SuspiciousOperation
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3

from .fields import HStoreField
from .expressions import HStoreColumn
from .datastructures import ConditionalJoin


class ConflictAction(Enum):
    """Possible actions to take on a conflict."""

    NOTHING = 'NOTHING'
    UPDATE = 'UPDATE'


class PostgresQuery(sql.Query):

    def rename_annotations(self, annotations) -> None:
        """Renames the aliases for the specified annotations:

            .annotate(myfield=F('somestuf__myfield'))
            .rename_annotations(myfield='field')

        Arguments:
            annotations:
                The annotations to rename. Mapping the
                old name to the new name.
        """

        for old_name, new_name in annotations.items():
            annotation = self.annotations.get(old_name)


            if not annotation:
                raise SuspiciousOperation((
                    'Cannot rename annotation "{old_name}" to "{new_name}", because there'
                    ' is no annotation named "{old_name}".'
                ).format(old_name=old_name, new_name=new_name))

            del self.annotations[old_name]

            self.annotations[new_name] = annotation


    def add_join_conditions(self, conditions: Dict[str, Any]) -> None:
        """Adds an extra condition to an existing JOIN.

        This allows you to for example do:

            INNER JOIN othertable ON (mytable.id = othertable.other_id AND [extra conditions])

        This does not work if nothing else in your query doesn't already generate the
        initial join in the first place.
        """

        alias = self.get_initial_alias()

        opts = self.get_meta()


        for name, value in conditions.items():
            parts = name.split(LOOKUP_SEP)
            _, targets, _, joins, path = self.setup_joins(parts, opts, alias, allow_many=True)

            self.trim_joins(targets, joins, path)


            target_table = joins[-1]
            field = targets[-1]
            join = self.alias_map.get(target_table)


            if not join:
                raise SuspiciousOperation((
                    'Cannot add an extra join condition for "%s", there\'s no'
                    ' existing join to add it to.'
                ) % target_table)

            # convert the Join object into a ConditionalJoin object, which
            # allows us to add the extra condition
            if not isinstance(join, ConditionalJoin):
                self.alias_map[target_table] = ConditionalJoin.from_join(join)

                join = self.alias_map[target_table]


            join.add_condition(field, value)

    def add_fields(self, field_names: List[str], allow_m2m: bool=True) -> bool:

        """
        Adds the given (model) fields to the select set. The field names are
        added in the order specified.

        This overrides the base class's add_fields method. This is called by
        the .values() or .values_list() method of the query set. It instructs
        the ORM to only select certain values. A lot of processing is neccesarry
        because it can be used to easily do joins. For example, `my_fk__name` pulls
        in the `name` field in foreign key `my_fk`.

        In our case, we want to be able to do `title__en`, where `title` is a HStoreField
        and `en` a key. This doesn't really involve a join. We iterate over the specified
        field names and filter out the ones that refer to HStoreField and compile it into
        an expression which is added to the list of to be selected fields using `self.add_select`.
        """

        alias = self.get_initial_alias()

        opts = self.get_meta()

        cols = []
        for name in field_names:
            parts = name.split(LOOKUP_SEP)

            # it cannot be a special hstore thing if there's no __ in it
            if len(parts) > 1:
                column_name, hstore_key = parts[:2]
                is_hstore, field = self._is_hstore_field(column_name)
                if is_hstore:
                    cols.append(
                        HStoreColumn(self.model._meta.db_table or self.model.name, field, hstore_key)
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
                    )
                    continue

            _, targets, _, joins, path = self.setup_joins(parts, opts, alias, allow_many=allow_m2m)

            targets, final_alias, joins = self.trim_joins(targets, joins, path)


            for target in targets:
                cols.append(target.get_col(final_alias))
        if cols:
            self.set_select(cols)


    def _is_hstore_field(self, field_name: str) -> Tuple[bool, Optional[models.Field]]:
        """Gets whether the field with the specified name is a
        HStoreField.

        Returns
            A tuple of a boolean indicating whether the field
            with the specified name is a HStoreField, and the
            field instance.
        """

        field_instance = None
        for field in self.model._meta.local_concrete_fields:
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
            if field.name == field_name or field.column == field_name:
                field_instance = field
                break

        return isinstance(field_instance, HStoreField), field_instance


class PostgresInsertQuery(sql.InsertQuery):
    """Insert query using PostgreSQL."""

    def __init__(self, *args, **kwargs):
        """Initializes a new instance :see:PostgresInsertQuery."""

        super(PostgresInsertQuery, self).__init__(*args, **kwargs)

        self.conflict_target = []
        self.conflict_action = ConflictAction.UPDATE

        self.update_fields = []

    def values(self, objs: List, insert_fields: List, update_fields: List=[]):
# Bad:
# If array_param is modified inside the function, the next invocation will
# receive the modified object.
def some_function(array_param=[]):
    # ...

# Better: Create an array on each invocation
def some_function(array_param=None):
    array_param = array_param or []
    # ...
        """Sets the values to be used in this query.

        Insert fields are fields that are definitely
        going to be inserted, and if an existing row
        is found, are going to be overwritten with the
        specified value.

        Update fields are fields that should be overwritten
        in case an update takes place rather than an insert.
        If we're dealing with a INSERT, these will not be used.

        Arguments:
            objs:
                The objects to apply this query to.

            insert_fields:
                The fields to use in the INSERT statement

            update_fields:
                The fields to only use in the UPDATE statement.
        """

        self.insert_values(insert_fields, objs, raw=False)

        self.update_fields = update_fields


Push — master ( 65c5ff...76b686 )

PostgresQuery._is_hstore_field() A

Complexity

Size

Duplication

Code Coverage

Importance

1. Missing Dependencies

2. Missing init.py files

1. Missing Dependencies

2. Missing init.py files

1. Missing Dependencies

2. Missing init.py files

1. Missing Dependencies

2. Missing init.py files

1. Missing Dependencies

2. Missing init.py files

1	1	from typing import List, Tuple, Optional, Dict, Any
		0 ignored issues – show Configuration introduced 2017-05-30 09:07 UTC by Report Bug Copy Issue Report The import `typing` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
2	1	from enum import Enum
3
4	1	from django.db import models
		0 ignored issues – show Configuration introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The import `django.db` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
5	1	from django.db.models import sql
		0 ignored issues – show Configuration introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The import `django.db.models` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
6	1	from django.db.models.constants import LOOKUP_SEP
		0 ignored issues – show Configuration introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The import `django.db.models.constants` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
7	1	from django.core.exceptions import SuspiciousOperation
		0 ignored issues – show Configuration introduced 2017-04-09 15:17 UTC by Report Bug Copy Issue Report The import `django.core.exceptions` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
8
9	1	from .fields import HStoreField
10	1	from .expressions import HStoreColumn
11	1	from .datastructures import ConditionalJoin
12
13
14	1	class ConflictAction(Enum):
15		"""Possible actions to take on a conflict."""
16
17	1	NOTHING = 'NOTHING'
18	1	UPDATE = 'UPDATE'
19
20
21	1	class PostgresQuery(sql.Query):
		0 ignored issues – show Coding Style introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report This class has no `__init__` method. Loading history...
22	1	def rename_annotations(self, annotations) -> None:
23		"""Renames the aliases for the specified annotations:
24
25		.annotate(myfield=F('somestuf__myfield'))
26		.rename_annotations(myfield='field')
27
28		Arguments:
29		annotations:
30		The annotations to rename. Mapping the
31		old name to the new name.
32		"""
33
34	1	for old_name, new_name in annotations.items():
35		annotation = self.annotations.get(old_name)
		0 ignored issues – show Bug introduced 2017-05-30 11:03 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `annotations`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
36
37		if not annotation:
38		raise SuspiciousOperation((
39		'Cannot rename annotation "{old_name}" to "{new_name}", because there'
40		' is no annotation named "{old_name}".'
41		).format(old_name=old_name, new_name=new_name))
42
43		del self.annotations[old_name]
		0 ignored issues – show Bug introduced 2017-05-30 11:03 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `annotations`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
44		self.annotations[new_name] = annotation
		0 ignored issues – show Bug introduced 2017-05-30 11:03 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `annotations`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
45
46	1	def add_join_conditions(self, conditions: Dict[str, Any]) -> None:
47		"""Adds an extra condition to an existing JOIN.
48
49		This allows you to for example do:
50
51		INNER JOIN othertable ON (mytable.id = othertable.other_id AND [extra conditions])
52
53		This does not work if nothing else in your query doesn't already generate the
54		initial join in the first place.
55		"""
56
57		alias = self.get_initial_alias()
		0 ignored issues – show Bug introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `get_initial_alias`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
58		opts = self.get_meta()
		0 ignored issues – show Bug introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `get_meta`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
59
60		for name, value in conditions.items():
61		parts = name.split(LOOKUP_SEP)
62		_, targets, _, joins, path = self.setup_joins(parts, opts, alias, allow_many=True)
		0 ignored issues – show Bug introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `setup_joins`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
63		self.trim_joins(targets, joins, path)
		0 ignored issues – show Bug introduced 2017-05-30 09:07 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `trim_joins`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
64
65		target_table = joins[-1]
66		field = targets[-1]
67		join = self.alias_map.get(target_table)
		0 ignored issues – show Bug introduced 2017-05-30 09:07 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `alias_map`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
68
69		if not join:
70		raise SuspiciousOperation((
71		'Cannot add an extra join condition for "%s", there\'s no'
72		' existing join to add it to.'
73		) % target_table)
74
75		# convert the Join object into a ConditionalJoin object, which
76		# allows us to add the extra condition
77		if not isinstance(join, ConditionalJoin):
78		self.alias_map[target_table] = ConditionalJoin.from_join(join)
		0 ignored issues – show Bug introduced 2017-05-30 09:07 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `alias_map`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
79		join = self.alias_map[target_table]
		0 ignored issues – show Bug introduced 2017-05-30 09:07 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `alias_map`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
80
81		join.add_condition(field, value)
82
83	1	def add_fields(self, field_names: List[str], allow_m2m: bool=True) -> bool:
		0 ignored issues – show Comprehensibility introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report This function exceeds the maximum number of variables (18/15). Loading history...
84		"""
85		Adds the given (model) fields to the select set. The field names are
86		added in the order specified.
87
88		This overrides the base class's add_fields method. This is called by
89		the .values() or .values_list() method of the query set. It instructs
90		the ORM to only select certain values. A lot of processing is neccesarry
91		because it can be used to easily do joins. For example, `my_fk__name` pulls
92		in the `name` field in foreign key `my_fk`.
93
94		In our case, we want to be able to do `title__en`, where `title` is a HStoreField
95		and `en` a key. This doesn't really involve a join. We iterate over the specified
96		field names and filter out the ones that refer to HStoreField and compile it into
97		an expression which is added to the list of to be selected fields using `self.add_select`.
98		"""
99
100	1	alias = self.get_initial_alias()
		0 ignored issues – show Bug introduced 2017-05-30 09:07 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `get_initial_alias`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
101	1	opts = self.get_meta()
		0 ignored issues – show Bug introduced 2018-01-20 15:48 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `get_meta`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
102	1	cols = []
103	1	for name in field_names:
104	1	parts = name.split(LOOKUP_SEP)
105
106		# it cannot be a special hstore thing if there's no __ in it
107	1	if len(parts) > 1:
108	1	column_name, hstore_key = parts[:2]
109	1	is_hstore, field = self._is_hstore_field(column_name)
110	1	if is_hstore:
111	1	cols.append(
112		HStoreColumn(self.model._meta.db_table or self.model.name, field, hstore_key)
		0 ignored issues – show Coding Style Best Practice introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report It seems like `_meta` was declared protected and should not be accessed from this context. Prefixing a member variable `_` is usually regarded as the equivalent of declaring it with protected visibility that exists in other languages. Consequentially, such a member should only be accessed from the same class or a child class: class MyParent: def __init__(self): self._x = 1; self.y = 2; class MyChild(MyParent): def some_method(self): return self._x # Ok, since accessed from a child class class AnotherClass: def some_method(self, instance_of_my_child): return instance_of_my_child._x # Would be flagged as AnotherClass is not # a child class of MyParent Loading history... Bug introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `model`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
113		)
114	1	continue
115
116	1	_, targets, _, joins, path = self.setup_joins(parts, opts, alias, allow_many=allow_m2m)
		0 ignored issues – show Bug introduced 2017-05-30 09:07 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `setup_joins`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
117	1	targets, final_alias, joins = self.trim_joins(targets, joins, path)
		0 ignored issues – show Bug introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `trim_joins`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
118
119	1	for target in targets:
120	1	cols.append(target.get_col(final_alias))
121	1	if cols:
122	1	self.set_select(cols)
		0 ignored issues – show Bug introduced 2018-01-20 15:48 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `set_select`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
123
124	1	def _is_hstore_field(self, field_name: str) -> Tuple[bool, Optional[models.Field]]:
125		"""Gets whether the field with the specified name is a
126		HStoreField.
127
128		Returns
129		A tuple of a boolean indicating whether the field
130		with the specified name is a HStoreField, and the
131		field instance.
132		"""
133
134	1	field_instance = None
135	1	for field in self.model._meta.local_concrete_fields:
		0 ignored issues – show Coding Style Best Practice introduced 2017-03-03 13:04 UTC by Report Bug Copy Issue Report It seems like `_meta` was declared protected and should not be accessed from this context. Prefixing a member variable `_` is usually regarded as the equivalent of declaring it with protected visibility that exists in other languages. Consequentially, such a member should only be accessed from the same class or a child class: class MyParent: def __init__(self): self._x = 1; self.y = 2; class MyChild(MyParent): def some_method(self): return self._x # Ok, since accessed from a child class class AnotherClass: def some_method(self, instance_of_my_child): return instance_of_my_child._x # Would be flagged as AnotherClass is not # a child class of MyParent Loading history... Bug introduced 2017-05-26 13:29 UTC by Report Bug Copy Issue Report The Instance of `PostgresQuery` does not seem to have a member named `model`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
136	1	if field.name == field_name or field.column == field_name:
137	1	field_instance = field
138	1	break
139
140	1	return isinstance(field_instance, HStoreField), field_instance
141
142
143	1	class PostgresInsertQuery(sql.InsertQuery):
144		"""Insert query using PostgreSQL."""
145
146	1	def __init__(self, args, *kwargs):
147		"""Initializes a new instance :see:PostgresInsertQuery."""
148
149	1	super(PostgresInsertQuery, self).__init__(args, *kwargs)
150
151	1	self.conflict_target = []
152	1	self.conflict_action = ConflictAction.UPDATE
153
154	1	self.update_fields = []
155
156	1	def values(self, objs: List, insert_fields: List, update_fields: List=[]):
		0 ignored issues – show Bug Best Practice introduced 2017-04-08 11:58 UTC by Report Bug Copy Issue Report The default value `[]` might cause unintended side-effects. Objects as default values are only created once in Python and not on each invocation of the function. If the default object is modified, this modification is carried over to the next invocation of the method. # Bad: # If array_param is modified inside the function, the next invocation will # receive the modified object. def some_function(array_param=[]): # ... # Better: Create an array on each invocation def some_function(array_param=None): array_param = array_param or [] # ... Loading history...
157		"""Sets the values to be used in this query.
158
159		Insert fields are fields that are definitely
160		going to be inserted, and if an existing row
161		is found, are going to be overwritten with the
162		specified value.
163
164		Update fields are fields that should be overwritten
165		in case an update takes place rather than an insert.
166		If we're dealing with a INSERT, these will not be used.
167
168		Arguments:
169		objs:
170		The objects to apply this query to.
171
172		insert_fields:
173		The fields to use in the INSERT statement
174
175		update_fields:
176		The fields to only use in the UPDATE statement.
177		"""
178
179	1	self.insert_values(insert_fields, objs, raw=False)
		0 ignored issues – show Bug introduced 2017-04-08 11:58 UTC by Report Bug Copy Issue Report The Instance of `PostgresInsertQuery` does not seem to have a member named `insert_values`. This check looks for calls to members that are non-existent. These calls will fail. The member could have been renamed or removed. Loading history...
180		self.update_fields = update_fields
181

SectorLabs / django-postgres-extra

Push — master ( 65c5ff...76b686 )

PostgresQuery._is_hstore_field() A

Complexity

Size

Duplication

Code Coverage

Importance

1. Missing Dependencies

2. Missing __init__.py files

1. Missing Dependencies

2. Missing __init__.py files

1. Missing Dependencies

2. Missing __init__.py files

1. Missing Dependencies

2. Missing __init__.py files

1. Missing Dependencies

2. Missing __init__.py files

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