Python exceptions.FilterArgumentError方法代码示例

# 需要导入模块: from jinja2 import exceptions [as 别名]
# 或者: from jinja2.exceptions import FilterArgumentError [as 别名]
def prepare_map(args, kwargs):
    context = args[0]
    seq = args[1]

    if len(args) == 2 and 'attribute' in kwargs:
        attribute = kwargs.pop('attribute')
        if kwargs:
            raise FilterArgumentError('Unexpected keyword argument %r' %
                next(iter(kwargs)))
        func = make_attrgetter(context.environment, attribute)
    else:
        try:
            name = args[2]
            args = args[3:]
        except LookupError:
            raise FilterArgumentError('map requires a filter argument')
        func = lambda item: context.environment.call_filter(
            name, item, args, kwargs, context=context)

    return seq, func 

# 需要导入模块: from jinja2 import exceptions [as 别名]
# 或者: from jinja2.exceptions import FilterArgumentError [as 别名]
def do_dictsort(value, case_sensitive=False, by='key', reverse=False):
    """Sort a dict and yield (key, value) pairs. Because python dicts are
    unsorted you may want to use this function to order them by either
    key or value:

    .. sourcecode:: jinja

        {% for item in mydict|dictsort %}
            sort the dict by key, case insensitive

        {% for item in mydict|dictsort(reverse=true) %}
            sort the dict by key, case insensitive, reverse order

        {% for item in mydict|dictsort(true) %}
            sort the dict by key, case sensitive

        {% for item in mydict|dictsort(false, 'value') %}
            sort the dict by value, case insensitive
    """
    if by == 'key':
        pos = 0
    elif by == 'value':
        pos = 1
    else:
        raise FilterArgumentError(
            'You can only sort by either "key" or "value"'
        )

    def sort_func(item):
        value = item[pos]

        if not case_sensitive:
            value = ignore_case(value)

        return value

    return sorted(value.items(), key=sort_func, reverse=reverse) 

# 需要导入模块: from jinja2 import exceptions [as 别名]
# 或者: from jinja2.exceptions import FilterArgumentError [as 别名]
def do_format(value, *args, **kwargs):
    """
    Apply python string formatting on an object:

    .. sourcecode:: jinja

        {{ "%s - %s"|format("Hello?", "Foo!") }}
            -> Hello? - Foo!
    """
    if args and kwargs:
        raise FilterArgumentError('can\'t handle positional and keyword '
                                  'arguments at the same time')
    return soft_unicode(value) % (kwargs or args) 

# 需要导入模块: from jinja2 import exceptions [as 别名]
# 或者: from jinja2.exceptions import FilterArgumentError [as 别名]
def do_round(value, precision=0, method='common'):
    """Round the number to a given precision. The first
    parameter specifies the precision (default is ``0``), the
    second the rounding method:

    - ``'common'`` rounds either up or down
    - ``'ceil'`` always rounds up
    - ``'floor'`` always rounds down

    If you don't specify a method ``'common'`` is used.

    .. sourcecode:: jinja

        {{ 42.55|round }}
            -> 43.0
        {{ 42.55|round(1, 'floor') }}
            -> 42.5

    Note that even if rounded to 0 precision, a float is returned.  If
    you need a real integer, pipe it through `int`:

    .. sourcecode:: jinja

        {{ 42.55|round|int }}
            -> 43
    """
    if not method in ('common', 'ceil', 'floor'):
        raise FilterArgumentError('method must be common, ceil or floor')
    if method == 'common':
        return round(value, precision)
    func = getattr(math, method)
    return func(value * (10 ** precision)) / (10 ** precision)


# Use a regular tuple repr here.  This is what we did in the past and we
# really want to hide this custom type as much as possible.  In particular
# we do not want to accidentally expose an auto generated repr in case
# people start to print this out in comments or something similar for
# debugging. 

# 需要导入模块: from jinja2 import exceptions [as 别名]
# 或者: from jinja2.exceptions import FilterArgumentError [as 别名]
def do_reverse(value):
    """Reverse the object or return an iterator that iterates over it the other
    way round.
    """
    if isinstance(value, string_types):
        return value[::-1]
    try:
        return reversed(value)
    except TypeError:
        try:
            rv = list(value)
            rv.reverse()
            return rv
        except TypeError:
            raise FilterArgumentError('argument must be iterable') 

# 需要导入模块: from jinja2 import exceptions [as 别名]
# 或者: from jinja2.exceptions import FilterArgumentError [as 别名]
def do_dictsort(value, case_sensitive=False, by='key'):
    """Sort a dict and yield (key, value) pairs. Because python dicts are
    unsorted you may want to use this function to order them by either
    key or value:

    .. sourcecode:: jinja

        {% for item in mydict|dictsort %}
            sort the dict by key, case insensitive

        {% for item in mydict|dictsort(true) %}
            sort the dict by key, case sensitive

        {% for item in mydict|dictsort(false, 'value') %}
            sort the dict by value, case insensitive
    """
    if by == 'key':
        pos = 0
    elif by == 'value':
        pos = 1
    else:
        raise FilterArgumentError('You can only sort by either '
                                  '"key" or "value"')
    def sort_func(item):
        value = item[pos]
        if isinstance(value, string_types) and not case_sensitive:
            value = value.lower()
        return value

    return sorted(value.items(), key=sort_func)