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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	2.55 KB	-rw-r--r--
_compat.py	2.54 KB	-rw-r--r--
_identifier.py	1.69 KB	-rw-r--r--
asyncfilters.py	4.05 KB	-rw-r--r--
asyncsupport.py	7.69 KB	-rw-r--r--
bccache.py	12.49 KB	-rw-r--r--
compiler.py	63.85 KB	-rw-r--r--
constants.py	1.59 KB	-rw-r--r--
debug.py	11.76 KB	-rw-r--r--
defaults.py	1.37 KB	-rw-r--r--
environment.py	49.66 KB	-rw-r--r--
exceptions.py	4.32 KB	-rw-r--r--
ext.py	23.93 KB	-rw-r--r--
filters.py	36.19 KB	-rw-r--r--
idtracking.py	8.98 KB	-rw-r--r--
lexer.py	27.95 KB	-rw-r--r--
loaders.py	16.97 KB	-rw-r--r--
meta.py	4.24 KB	-rw-r--r--
nativetypes.py	7.14 KB	-rw-r--r--
nodes.py	30.2 KB	-rw-r--r--
optimizer.py	1.68 KB	-rw-r--r--
parser.py	35.03 KB	-rw-r--r--
runtime.py	27.22 KB	-rw-r--r--
sandbox.py	16.92 KB	-rw-r--r--
tests.py	4.2 KB	-rw-r--r--
utils.py	20.48 KB	-rw-r--r--
visitor.py	3.24 KB	-rw-r--r--

Code Editor : tests.py

# -*- coding: utf-8 -*-
"""
    jinja2.tests
    ~~~~~~~~~~~~

Jinja test functions. Used with the "is" operator.

:copyright: (c) 2017 by the Jinja Team.
    :license: BSD, see LICENSE for more details.
"""
import operator
import re

try:
    from collections.abc import Mapping
except:
    from collections import Mapping

from jinja2.runtime import Undefined
from jinja2._compat import text_type, string_types, integer_types
import decimal

number_re = re.compile(r'^-?\d+(\.\d+)?$')
regex_type = type(number_re)

test_callable = callable

def test_odd(value):
    """Return true if the variable is odd."""
    return value % 2 == 1

def test_even(value):
    """Return true if the variable is even."""
    return value % 2 == 0

def test_divisibleby(value, num):
    """Check if a variable is divisible by a number."""
    return value % num == 0

def test_defined(value):
    """Return true if the variable is defined:

.. sourcecode:: jinja

{% if variable is defined %}
            value of variable: {{ variable }}
        {% else %}
            variable is not defined
        {% endif %}

See the :func:`default` filter for a simple way to set undefined
    variables.
    """
    return not isinstance(value, Undefined)

def test_undefined(value):
    """Like :func:`defined` but the other way round."""
    return isinstance(value, Undefined)

def test_none(value):
    """Return true if the variable is none."""
    return value is None

def test_lower(value):
    """Return true if the variable is lowercased."""
    return text_type(value).islower()

def test_upper(value):
    """Return true if the variable is uppercased."""
    return text_type(value).isupper()

def test_string(value):
    """Return true if the object is a string."""
    return isinstance(value, string_types)

def test_mapping(value):
    """Return true if the object is a mapping (dict etc.).

.. versionadded:: 2.6
    """
    return isinstance(value, Mapping)

def test_number(value):
    """Return true if the variable is a number."""
    return isinstance(value, integer_types + (float, complex, decimal.Decimal))

def test_sequence(value):
    """Return true if the variable is a sequence. Sequences are variables
    that are iterable.
    """
    try:
        len(value)
        value.__getitem__
    except:
        return False
    return True

def test_sameas(value, other):
    """Check if an object points to the same memory address than another
    object:

.. sourcecode:: jinja

{% if foo.attribute is sameas false %}
            the foo attribute really is the `False` singleton
        {% endif %}
    """
    return value is other

def test_iterable(value):
    """Check if it's possible to iterate over an object."""
    try:
        iter(value)
    except TypeError:
        return False
    return True

def test_escaped(value):
    """Check if the value is escaped."""
    return hasattr(value, '__html__')

def test_in(value, seq):
    """Check if value is in seq.

.. versionadded:: 2.10
    """
    return value in seq

TESTS = {
    'odd':              test_odd,
    'even':             test_even,
    'divisibleby':      test_divisibleby,
    'defined':          test_defined,
    'undefined':        test_undefined,
    'none':             test_none,
    'lower':            test_lower,
    'upper':            test_upper,
    'string':           test_string,
    'mapping':          test_mapping,
    'number':           test_number,
    'sequence':         test_sequence,
    'iterable':         test_iterable,
    'callable':         test_callable,
    'sameas':           test_sameas,
    'escaped':          test_escaped,
    'in':               test_in,
    '==':               operator.eq,
    'eq':               operator.eq,
    'equalto':          operator.eq,
    '!=':               operator.ne,
    'ne':               operator.ne,
    '>':                operator.gt,
    'gt':               operator.gt,
    'greaterthan':      operator.gt,
    'ge':               operator.ge,
    '>=':               operator.ge,
    '<':                operator.lt,
    'lt':               operator.lt,
    'lessthan':         operator.lt,
    '<=':               operator.le,
    'le':               operator.le,
}

${this.title}

Code Editor : tests.py