6618841281

Committed 23 Oct 2023 08:47PM CUT coverage: 93.617%. Remained the same

Build # 6618841281

Build Type

Pull #187

github

Committed by

web-flow

Commit Message

Merge a81f35a98 into b4182e6e1

Pull Request Pull Request #187: Bump ruff from 0.1.0 to 0.1.1

Run Details

1188 of 1269 relevant lines covered (93.62%)

5.61 hits per line

Source File
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88.24

/django_pgschemas/postgresql_backend/base.py

from django.core.exceptions import ImproperlyConfigured
from django.db.utils import DatabaseError

from ..schema import get_current_schema, get_default_schema
from ..utils import check_schema_name, get_limit_set_calls
from .introspection import DatabaseSchemaIntrospection
from .settings import EXTRA_SEARCH_PATHS, original_backend

try:
    try:
        import psycopg as _psycopg
    except ImportError:
        import psycopg2 as _psycopg
except ImportError:
    raise ImproperlyConfigured("Error loading psycopg2 or psycopg module")

IntegrityError = _psycopg.IntegrityError


def get_search_path(schema=None):
    if schema is None:
        schema = get_default_schema()

    search_path = ["public"] if schema.schema_name == "public" else [schema.schema_name, "public"]
    search_path.extend(EXTRA_SEARCH_PATHS)

    for part in search_path:
        check_schema_name(part)

    return ", ".join(search_path)


class DatabaseWrapper(original_backend.DatabaseWrapper):
    def __init__(self, *args, **kwargs):
        self._search_path = None
        self._setting_search_path = False
        super().__init__(*args, **kwargs)

        # Patched version of DatabaseIntrospection that only returns the table list for the currently selected schema
        self.introspection = DatabaseSchemaIntrospection(self)

    def close(self):
        self._search_path = None
        self._setting_search_path = False
        super().close()

    def _handle_search_path(self, cursor=None):
        search_path_for_current_schema = get_search_path(get_current_schema())

        skip = (
            self._setting_search_path
            or self._search_path == search_path_for_current_schema
            or get_limit_set_calls()
        )

        if not skip:
            self._setting_search_path = True
            cursor_for_search_path = self.connection.cursor() if cursor is None else cursor

            try:
                cursor_for_search_path.execute(
                    f"SET search_path = {search_path_for_current_schema}"
                )
            except (DatabaseError, _psycopg.InternalError):
                self._search_path = None
            else:
                self._search_path = search_path_for_current_schema
            finally:
                self._setting_search_path = False

            if cursor is None:
                cursor_for_search_path.close()

    def _cursor(self, name=None):
        cursor = super()._cursor(name=name)

        cursor_for_search_path = cursor if name is None else None  # Named cursors cannot be reused
        self._handle_search_path(cursor_for_search_path)

        return cursor

1	from django.core.exceptions import ImproperlyConfigured	6✔
2	from django.db.utils import DatabaseError	6✔
3
4	from ..schema import get_current_schema, get_default_schema	6✔
5	from ..utils import check_schema_name, get_limit_set_calls	6✔
6	from .introspection import DatabaseSchemaIntrospection	6✔
7	from .settings import EXTRA_SEARCH_PATHS, original_backend	6✔
8
9	try:	6✔
10	try:	6✔
11	import psycopg as _psycopg	6✔
12	except ImportError:	3✔
13	import psycopg2 as _psycopg	3✔
14	except ImportError:	×
15	raise ImproperlyConfigured("Error loading psycopg2 or psycopg module")	×
16
17	IntegrityError = _psycopg.IntegrityError	6✔
18
19
20	def get_search_path(schema=None):	6✔
21	if schema is None:	6✔
22	schema = get_default_schema()	×
23
24	search_path = ["public"] if schema.schema_name == "public" else [schema.schema_name, "public"]	6✔
25	search_path.extend(EXTRA_SEARCH_PATHS)	6✔
26
27	for part in search_path:	6✔
28	check_schema_name(part)	6✔
29
30	return ", ".join(search_path)	6✔
31
32
33	class DatabaseWrapper(original_backend.DatabaseWrapper):	6✔
34	def __init__(self, args, *kwargs):	6✔
35	self._search_path = None	6✔
36	self._setting_search_path = False	6✔
37	super().__init__(args, *kwargs)	6✔
38
39	# Patched version of DatabaseIntrospection that only returns the table list for the currently selected schema
40	self.introspection = DatabaseSchemaIntrospection(self)	6✔
41
42	def close(self):	6✔
43	self._search_path = None	6✔
44	self._setting_search_path = False	6✔
45	super().close()	6✔
46
47	def _handle_search_path(self, cursor=None):	6✔
48	search_path_for_current_schema = get_search_path(get_current_schema())	6✔
49
50	skip = (	6✔
51	self._setting_search_path
52	or self._search_path == search_path_for_current_schema
53	or get_limit_set_calls()
54	)
55
56	if not skip:	6✔
57	self._setting_search_path = True	6✔
58	cursor_for_search_path = self.connection.cursor() if cursor is None else cursor	6✔
59
60	try:	6✔
61	cursor_for_search_path.execute(	6✔
62	f"SET search_path = {search_path_for_current_schema}"
63	)
64	except (DatabaseError, _psycopg.InternalError):	×
65	self._search_path = None	×
66	else:
67	self._search_path = search_path_for_current_schema	6✔
68	finally:
69	self._setting_search_path = False	6✔
70
71	if cursor is None:	6✔
72	cursor_for_search_path.close()	×
73
74	def _cursor(self, name=None):	6✔
75	cursor = super()._cursor(name=name)	6✔
76
77	cursor_for_search_path = cursor if name is None else None # Named cursors cannot be reused	6✔
78	self._handle_search_path(cursor_for_search_path)	6✔
79
80	return cursor	6✔

lorinkoz / django-pgschemas / 6618841281

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