Python infix примеры использования

Пример #1

Файл: walrus.py Проект: bmispelon/django-walrus

    def ready(self):
        from django.template import smartif

        smartif.OPERATORS[':='] = smartif.infix(11, _walrus_op)
        smartif.OPERATORS[':='].id = ':='
        if os.getenv('WALRUS_OPTIMIZED'):
            _walrus_optimized()

Пример #2

Файл: permission_tags.py Проект: reyrodrigues/django-permission

def of_operator(context, x, y):
    return x.eval(context), y.eval(context)


def has_operator(context, x, y):
    user = x.eval(context)
    perm = y.eval(context)
    if isinstance(perm, (list, tuple)):
        perm, obj = perm
    else:
        obj = None
    return user.has_perm(perm, obj)


EXTRA_OPERATORS = {"of": infix(20, of_operator), "has": infix(10, has_operator)}
EXTRA_OPERATORS.update(OPERATORS)
# Assign 'id' to each:
for key, op in EXTRA_OPERATORS.items():
    op.id = key


class PermissionIfParser(IfParser):
    OPERATORS = EXTRA_OPERATORS

    def translate_token(self, token):
        try:
            op = self.OPERATORS[token]
        except (KeyError, TypeError):
            return self.create_var(token)
        else:

Пример #3

Файл: permissionif.py Проект: SalahAdDin/django-permission

    """
    'has' operator of permission if
    
    This operator is used to specify the user object of permission
    """
    user = x.eval(context)
    perm = y.eval(context)
    if isinstance(perm, (list, tuple)):
        perm, obj = perm
    else:
        obj = None
    return user.has_perm(perm, obj)

# Add 'of' and 'has' operator to existing operators
EXTRA_OPERATORS = {
    'of': infix(20, of_operator),
    'has': infix(10, has_operator),
}
EXTRA_OPERATORS.update(OPERATORS)
for key, op in list(EXTRA_OPERATORS.items()):
    op.id = key

class PermissionIfParser(IfParser):
    """Permission if parser"""
    OPERATORS = EXTRA_OPERATORS
    """use extra operator"""

    def translate_token(self, token):
        try:
            # use own operators instead of builtin operators
            op = self.OPERATORS[token]

Пример #4

Файл: object_permission_tags.py Проект: lambdalisue/django-object-permission

    limitations under the License.
"""
__AUTHOR__ = "lambdalisue ([email protected])"
import warnings

from django import template
from django.template import Node, VariableDoesNotExist
from django.template.smartif import infix
from django.template.smartif import IfParser
from django.template.smartif import OPERATORS as _OPERATORS
from django.template.defaulttags import TemplateLiteral

register = template.Library()

OPERATORS = dict(_OPERATORS,
    of=infix(10, lambda context, x, y: 
        template.resolve_variable('request', context).user.has_perm(x.eval(context), y.eval(context)))
)

class ObjectPermissionIfParser(IfParser):
    def translate_token(self, token):
        try:
            op = OPERATORS[token]
        except (KeyError, TypeError):
            return self.create_var(token)
        else:
            return op()
class TemplateObjectPermissionIfParser(ObjectPermissionIfParser):
    error_class = template.TemplateSyntaxError

    def __init__(self, parser, *args, **kwargs):
        self.template_parser = parser

Пример #5

Файл: permissionif.py Проект: wade1990/django-permission

    'has' operator of permission if

    This operator is used to specify the user object of permission
    """
    user = x.eval(context)
    perm = y.eval(context)
    if isinstance(perm, (list, tuple)):
        perm, obj = perm
    else:
        obj = None
    return user.has_perm(perm, obj)


# Add 'of' and 'has' operator to existing operators
EXTRA_OPERATORS = {
    'of': infix(20, of_operator),
    'has': infix(10, has_operator),
}
EXTRA_OPERATORS.update(OPERATORS)
for key, op in EXTRA_OPERATORS.items():
    op.id = key


class PermissionIfParser(IfParser):
    """Permission if parser"""
    OPERATORS = EXTRA_OPERATORS
    """use extra operator"""
    def translate_token(self, token):
        try:
            # use own operators instead of builtin operators
            op = self.OPERATORS[token]