GroupInPermissionLogic.has_perm() - Code Metrics - lambdalisue/django-permission - Measure and Improve Code Quality continuously with Scrutinizer

GroupInPermissionLogic.has_perm() F
last analyzed 2017-03-28 05:50 UTC

↳ Parent: GroupInPermissionLogic

Complexity

Conditions

Size

Total Lines

Duplication

Lines	65
Ratio	100 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	19
c	2
b	0
f	0
dl	65
loc	65
rs	2.8121

How to fix Long Method Complexity

# coding=utf-8
"""
Permission logic module for group based permission system
"""
from permission.conf import settings
from permission.logics.base import PermissionLogic
from permission.compat import is_authenticated


class GroupInPermissionLogic(PermissionLogic):
    """
    Permission logic class for group based permission system
    """
    def __init__(self,
                 group_names,
                 any_permission=None,
                 add_permission=None,
                 change_permission=None,
                 delete_permission=None):   # noqa
        """
        Constructor

        Parameters
        ----------
        group_names : string or list
            A group name list of this permission logic treat
        any_permission : boolean
            True for give any permission to the user_obj
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_ANY_PERMISSION`` in
            settings.
        add_permission : boolean
            True for give add permission to the user_obj.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_ADD_PERMISSION`` in
            settings.
        change_permission : boolean
            True for give change permission of the specified object to the
            user_obj.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION`` in
            settings.
        delete_permission : boolean
            True for give delete permission of the specified object to the
            user_obj.
            It will be ignored if :attr:`any_permission` is True.
            Default value will be taken from
            ``PERMISSION_DEFAULT_GIPL_DELETE_PERMISSION`` in
            settings.
        """
        self.group_names = group_names
        if not isinstance(self.group_names, (list, tuple)):
            self.group_names = [self.group_names]
        self.any_permission = any_permission
        self.add_permission = add_permission
        self.change_permission = change_permission
        self.delete_permission = delete_permission

        if self.any_permission is None:
            self.any_permission = \
                settings.PERMISSION_DEFAULT_GIPL_ANY_PERMISSION
        if self.add_permission is None:
            self.add_permission = \
                settings.PERMISSION_DEFAULT_GIPL_ADD_PERMISSION
        if self.change_permission is None:
            self.change_permission = \
                settings.PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION
        if self.delete_permission is None:
            self.delete_permission = \
                settings.PERMISSION_DEFAULT_GIPL_DELETE_PERMISSION

    def has_perm(self, user_obj, perm, obj=None):

        """
        Check if user have permission (of object)

        If the user_obj is not authenticated, it return ``False``.

        If no object is specified, it return ``True`` when the corresponding
        permission was specified to ``True`` (changed from v0.7.0).
        This behavior is based on the django system.
        https://code.djangoproject.com/wiki/RowLevelPermissions

        If an object is specified, it will return ``True`` if the user is
        in group specified in ``group_names`` of this instance.
        This permission logic is used mainly for group based role permission
        system.
        You can change this behavior to set ``any_permission``,
        ``add_permission``, ``change_permission``, or ``delete_permission``
        attributes of this instance.

        Parameters
        ----------
        user_obj : django user model instance
            A django user model instance which be checked
        perm : string
            `app_label.codename` formatted permission string
        obj : None or django model instance
            None or django model instance for object permission

        Returns
        -------
        boolean
            Whether the specified user have specified permission (of specified
            object).
        """
        if not is_authenticated(user_obj):
            return False
        # construct the permission full name
        add_permission = self.get_full_permission_string('add')
        change_permission = self.get_full_permission_string('change')
        delete_permission = self.get_full_permission_string('delete')
        if obj is None:
            if user_obj.groups.filter(name__in=self.group_names):
                if self.add_permission and perm == add_permission:
                    return True
                if self.change_permission and perm == change_permission:
                    return True
                if self.delete_permission and perm == delete_permission:
                    return True
                return self.any_permission
            return False
        elif user_obj.is_active:
            if user_obj.groups.filter(name__in=self.group_names):
                if self.any_permission:
                    # have any kind of permissions to the obj
                    return True
                if (self.add_permission and
                        perm == add_permission):
                    return True
                if (self.change_permission and
                        perm == change_permission):
                    return True
                if (self.delete_permission and
                        perm == delete_permission):
                    return True
        return False


1		# coding=utf-8
2		"""
3		Permission logic module for group based permission system
4		"""
5		from permission.conf import settings
6		from permission.logics.base import PermissionLogic
7		from permission.compat import is_authenticated
8
9
10		class GroupInPermissionLogic(PermissionLogic):
11		"""
12		Permission logic class for group based permission system
13		"""
14		def __init__(self,
15		group_names,
16		any_permission=None,
17		add_permission=None,
18		change_permission=None,
19		delete_permission=None): # noqa
20		"""
21		Constructor
22
23		Parameters
24		----------
25		group_names : string or list
26		A group name list of this permission logic treat
27		any_permission : boolean
28		True for give any permission to the user_obj
29		Default value will be taken from
30		``PERMISSION_DEFAULT_GIPL_ANY_PERMISSION`` in
31		settings.
32		add_permission : boolean
33		True for give add permission to the user_obj.
34		It will be ignored if :attr:`any_permission` is True.
35		Default value will be taken from
36		``PERMISSION_DEFAULT_GIPL_ADD_PERMISSION`` in
37		settings.
38		change_permission : boolean
39		True for give change permission of the specified object to the
40		user_obj.
41		It will be ignored if :attr:`any_permission` is True.
42		Default value will be taken from
43		``PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION`` in
44		settings.
45		delete_permission : boolean
46		True for give delete permission of the specified object to the
47		user_obj.
48		It will be ignored if :attr:`any_permission` is True.
49		Default value will be taken from
50		``PERMISSION_DEFAULT_GIPL_DELETE_PERMISSION`` in
51		settings.
52		"""
53		self.group_names = group_names
54		if not isinstance(self.group_names, (list, tuple)):
55		self.group_names = [self.group_names]
56		self.any_permission = any_permission
57		self.add_permission = add_permission
58		self.change_permission = change_permission
59		self.delete_permission = delete_permission
60
61		if self.any_permission is None:
62		self.any_permission = \
63		settings.PERMISSION_DEFAULT_GIPL_ANY_PERMISSION
64		if self.add_permission is None:
65		self.add_permission = \
66		settings.PERMISSION_DEFAULT_GIPL_ADD_PERMISSION
67		if self.change_permission is None:
68		self.change_permission = \
69		settings.PERMISSION_DEFAULT_GIPL_CHANGE_PERMISSION
70		if self.delete_permission is None:
71		self.delete_permission = \
72		settings.PERMISSION_DEFAULT_GIPL_DELETE_PERMISSION
73
74	View Code Duplication	def has_perm(self, user_obj, perm, obj=None):
		0 ignored issues – show Duplication introduced 2016-07-13 02:08 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
75		"""
76		Check if user have permission (of object)
77
78		If the user_obj is not authenticated, it return ``False``.
79
80		If no object is specified, it return ``True`` when the corresponding
81		permission was specified to ``True`` (changed from v0.7.0).
82		This behavior is based on the django system.
83		https://code.djangoproject.com/wiki/RowLevelPermissions
84
85		If an object is specified, it will return ``True`` if the user is
86		in group specified in ``group_names`` of this instance.
87		This permission logic is used mainly for group based role permission
88		system.
89		You can change this behavior to set ``any_permission``,
90		``add_permission``, ``change_permission``, or ``delete_permission``
91		attributes of this instance.
92
93		Parameters
94		----------
95		user_obj : django user model instance
96		A django user model instance which be checked
97		perm : string
98		`app_label.codename` formatted permission string
99		obj : None or django model instance
100		None or django model instance for object permission
101
102		Returns
103		-------
104		boolean
105		Whether the specified user have specified permission (of specified
106		object).
107		"""
108		if not is_authenticated(user_obj):
109		return False
110		# construct the permission full name
111		add_permission = self.get_full_permission_string('add')
112		change_permission = self.get_full_permission_string('change')
113		delete_permission = self.get_full_permission_string('delete')
114		if obj is None:
115		if user_obj.groups.filter(name__in=self.group_names):
116		if self.add_permission and perm == add_permission:
117		return True
118		if self.change_permission and perm == change_permission:
119		return True
120		if self.delete_permission and perm == delete_permission:
121		return True
122		return self.any_permission
123		return False
124		elif user_obj.is_active:
125		if user_obj.groups.filter(name__in=self.group_names):
126		if self.any_permission:
127		# have any kind of permissions to the obj
128		return True
129		if (self.add_permission and
130		perm == add_permission):
131		return True
132		if (self.change_permission and
133		perm == change_permission):
134		return True
135		if (self.delete_permission and
136		perm == delete_permission):
137		return True
138		return False
139

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GroupInPermissionLogic.has_perm() F last analyzed 2017-03-28 05:50 UTC

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GroupInPermissionLogic.has_perm() F
last analyzed 2017-03-28 05:50 UTC