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Unified Diff: mojo/public/third_party/jinja2/filters.py

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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Index: mojo/public/third_party/jinja2/filters.py
diff --git a/mojo/public/third_party/jinja2/filters.py b/mojo/public/third_party/jinja2/filters.py
deleted file mode 100644
index fd0db04aa41026500910347cf401fe620c556188..0000000000000000000000000000000000000000
--- a/mojo/public/third_party/jinja2/filters.py
+++ /dev/null
@@ -1,987 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
- jinja2.filters
- ~~~~~~~~~~~~~~
-
- Bundled jinja filters.
-
- :copyright: (c) 2010 by the Jinja Team.
- :license: BSD, see LICENSE for more details.
-"""
-import re
-import math
-
-from random import choice
-from operator import itemgetter
-from itertools import groupby
-from jinja2.utils import Markup, escape, pformat, urlize, soft_unicode, \
- unicode_urlencode
-from jinja2.runtime import Undefined
-from jinja2.exceptions import FilterArgumentError
-from jinja2._compat import next, imap, string_types, text_type, iteritems
-
-
-_word_re = re.compile(r'\w+(?u)')
-
-
-def contextfilter(f):
- """Decorator for marking context dependent filters. The current
- :class:`Context` will be passed as first argument.
- """
- f.contextfilter = True
- return f
-
-
-def evalcontextfilter(f):
- """Decorator for marking eval-context dependent filters. An eval
- context object is passed as first argument. For more information
- about the eval context, see :ref:`eval-context`.
-
- .. versionadded:: 2.4
- """
- f.evalcontextfilter = True
- return f
-
-
-def environmentfilter(f):
- """Decorator for marking evironment dependent filters. The current
- :class:`Environment` is passed to the filter as first argument.
- """
- f.environmentfilter = True
- return f
-
-
-def make_attrgetter(environment, attribute):
- """Returns a callable that looks up the given attribute from a
- passed object with the rules of the environment. Dots are allowed
- to access attributes of attributes. Integer parts in paths are
- looked up as integers.
- """
- if not isinstance(attribute, string_types) \
- or ('.' not in attribute and not attribute.isdigit()):
- return lambda x: environment.getitem(x, attribute)
- attribute = attribute.split('.')
- def attrgetter(item):
- for part in attribute:
- if part.isdigit():
- part = int(part)
- item = environment.getitem(item, part)
- return item
- return attrgetter
-
-
-def do_forceescape(value):
- """Enforce HTML escaping. This will probably double escape variables."""
- if hasattr(value, '__html__'):
- value = value.__html__()
- return escape(text_type(value))
-
-
-def do_urlencode(value):
- """Escape strings for use in URLs (uses UTF-8 encoding). It accepts both
- dictionaries and regular strings as well as pairwise iterables.
-
- .. versionadded:: 2.7
- """
- itemiter = None
- if isinstance(value, dict):
- itemiter = iteritems(value)
- elif not isinstance(value, string_types):
- try:
- itemiter = iter(value)
- except TypeError:
- pass
- if itemiter is None:
- return unicode_urlencode(value)
- return u'&'.join(unicode_urlencode(k) + '=' +
- unicode_urlencode(v) for k, v in itemiter)
-
-
-@evalcontextfilter
-def do_replace(eval_ctx, s, old, new, count=None):
- """Return a copy of the value with all occurrences of a substring
- replaced with a new one. The first argument is the substring
- that should be replaced, the second is the replacement string.
- If the optional third argument ``count`` is given, only the first
- ``count`` occurrences are replaced:
-
- .. sourcecode:: jinja
-
- {{ "Hello World"|replace("Hello", "Goodbye") }}
- -> Goodbye World
-
- {{ "aaaaargh"|replace("a", "d'oh, ", 2) }}
- -> d'oh, d'oh, aaargh
- """
- if count is None:
- count = -1
- if not eval_ctx.autoescape:
- return text_type(s).replace(text_type(old), text_type(new), count)
- if hasattr(old, '__html__') or hasattr(new, '__html__') and \
- not hasattr(s, '__html__'):
- s = escape(s)
- else:
- s = soft_unicode(s)
- return s.replace(soft_unicode(old), soft_unicode(new), count)
-
-
-def do_upper(s):
- """Convert a value to uppercase."""
- return soft_unicode(s).upper()
-
-
-def do_lower(s):
- """Convert a value to lowercase."""
- return soft_unicode(s).lower()
-
-
-@evalcontextfilter
-def do_xmlattr(_eval_ctx, d, autospace=True):
- """Create an SGML/XML attribute string based on the items in a dict.
- All values that are neither `none` nor `undefined` are automatically
- escaped:
-
- .. sourcecode:: html+jinja
-
- <ul{{ {'class': 'my_list', 'missing': none,
- 'id': 'list-%d'|format(variable)}|xmlattr }}>
- ...
- </ul>
-
- Results in something like this:
-
- .. sourcecode:: html
-
- <ul class="my_list" id="list-42">
- ...
- </ul>
-
- As you can see it automatically prepends a space in front of the item
- if the filter returned something unless the second parameter is false.
- """
- rv = u' '.join(
- u'%s="%s"' % (escape(key), escape(value))
- for key, value in iteritems(d)
- if value is not None and not isinstance(value, Undefined)
- )
- if autospace and rv:
- rv = u' ' + rv
- if _eval_ctx.autoescape:
- rv = Markup(rv)
- return rv
-
-
-def do_capitalize(s):
- """Capitalize a value. The first character will be uppercase, all others
- lowercase.
- """
- return soft_unicode(s).capitalize()
-
-
-def do_title(s):
- """Return a titlecased version of the value. I.e. words will start with
- uppercase letters, all remaining characters are lowercase.
- """
- rv = []
- for item in re.compile(r'([-\s]+)(?u)').split(s):
- if not item:
- continue
- rv.append(item[0].upper() + item[1:].lower())
- return ''.join(rv)
-
-
-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 key, case insensitive, sorted
- normally and ordered by value.
- """
- 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)
-
-
-@environmentfilter
-def do_sort(environment, value, reverse=False, case_sensitive=False,
- attribute=None):
- """Sort an iterable. Per default it sorts ascending, if you pass it
- true as first argument it will reverse the sorting.
-
- If the iterable is made of strings the third parameter can be used to
- control the case sensitiveness of the comparison which is disabled by
- default.
-
- .. sourcecode:: jinja
-
- {% for item in iterable|sort %}
- ...
- {% endfor %}
-
- It is also possible to sort by an attribute (for example to sort
- by the date of an object) by specifying the `attribute` parameter:
-
- .. sourcecode:: jinja
-
- {% for item in iterable|sort(attribute='date') %}
- ...
- {% endfor %}
-
- .. versionchanged:: 2.6
- The `attribute` parameter was added.
- """
- if not case_sensitive:
- def sort_func(item):
- if isinstance(item, string_types):
- item = item.lower()
- return item
- else:
- sort_func = None
- if attribute is not None:
- getter = make_attrgetter(environment, attribute)
- def sort_func(item, processor=sort_func or (lambda x: x)):
- return processor(getter(item))
- return sorted(value, key=sort_func, reverse=reverse)
-
-
-def do_default(value, default_value=u'', boolean=False):
- """If the value is undefined it will return the passed default value,
- otherwise the value of the variable:
-
- .. sourcecode:: jinja
-
- {{ my_variable|default('my_variable is not defined') }}
-
- This will output the value of ``my_variable`` if the variable was
- defined, otherwise ``'my_variable is not defined'``. If you want
- to use default with variables that evaluate to false you have to
- set the second parameter to `true`:
-
- .. sourcecode:: jinja
-
- {{ ''|default('the string was empty', true) }}
- """
- if isinstance(value, Undefined) or (boolean and not value):
- return default_value
- return value
-
-
-@evalcontextfilter
-def do_join(eval_ctx, value, d=u'', attribute=None):
- """Return a string which is the concatenation of the strings in the
- sequence. The separator between elements is an empty string per
- default, you can define it with the optional parameter:
-
- .. sourcecode:: jinja
-
- {{ [1, 2, 3]|join('|') }}
- -> 1|2|3
-
- {{ [1, 2, 3]|join }}
- -> 123
-
- It is also possible to join certain attributes of an object:
-
- .. sourcecode:: jinja
-
- {{ users|join(', ', attribute='username') }}
-
- .. versionadded:: 2.6
- The `attribute` parameter was added.
- """
- if attribute is not None:
- value = imap(make_attrgetter(eval_ctx.environment, attribute), value)
-
- # no automatic escaping? joining is a lot eaiser then
- if not eval_ctx.autoescape:
- return text_type(d).join(imap(text_type, value))
-
- # if the delimiter doesn't have an html representation we check
- # if any of the items has. If yes we do a coercion to Markup
- if not hasattr(d, '__html__'):
- value = list(value)
- do_escape = False
- for idx, item in enumerate(value):
- if hasattr(item, '__html__'):
- do_escape = True
- else:
- value[idx] = text_type(item)
- if do_escape:
- d = escape(d)
- else:
- d = text_type(d)
- return d.join(value)
-
- # no html involved, to normal joining
- return soft_unicode(d).join(imap(soft_unicode, value))
-
-
-def do_center(value, width=80):
- """Centers the value in a field of a given width."""
- return text_type(value).center(width)
-
-
-@environmentfilter
-def do_first(environment, seq):
- """Return the first item of a sequence."""
- try:
- return next(iter(seq))
- except StopIteration:
- return environment.undefined('No first item, sequence was empty.')
-
-
-@environmentfilter
-def do_last(environment, seq):
- """Return the last item of a sequence."""
- try:
- return next(iter(reversed(seq)))
- except StopIteration:
- return environment.undefined('No last item, sequence was empty.')
-
-
-@environmentfilter
-def do_random(environment, seq):
- """Return a random item from the sequence."""
- try:
- return choice(seq)
- except IndexError:
- return environment.undefined('No random item, sequence was empty.')
-
-
-def do_filesizeformat(value, binary=False):
- """Format the value like a 'human-readable' file size (i.e. 13 kB,
- 4.1 MB, 102 Bytes, etc). Per default decimal prefixes are used (Mega,
- Giga, etc.), if the second parameter is set to `True` the binary
- prefixes are used (Mebi, Gibi).
- """
- bytes = float(value)
- base = binary and 1024 or 1000
- prefixes = [
- (binary and 'KiB' or 'kB'),
- (binary and 'MiB' or 'MB'),
- (binary and 'GiB' or 'GB'),
- (binary and 'TiB' or 'TB'),
- (binary and 'PiB' or 'PB'),
- (binary and 'EiB' or 'EB'),
- (binary and 'ZiB' or 'ZB'),
- (binary and 'YiB' or 'YB')
- ]
- if bytes == 1:
- return '1 Byte'
- elif bytes < base:
- return '%d Bytes' % bytes
- else:
- for i, prefix in enumerate(prefixes):
- unit = base ** (i + 2)
- if bytes < unit:
- return '%.1f %s' % ((base * bytes / unit), prefix)
- return '%.1f %s' % ((base * bytes / unit), prefix)
-
-
-def do_pprint(value, verbose=False):
- """Pretty print a variable. Useful for debugging.
-
- With Jinja 1.2 onwards you can pass it a parameter. If this parameter
- is truthy the output will be more verbose (this requires `pretty`)
- """
- return pformat(value, verbose=verbose)
-
-
-@evalcontextfilter
-def do_urlize(eval_ctx, value, trim_url_limit=None, nofollow=False):
- """Converts URLs in plain text into clickable links.
-
- If you pass the filter an additional integer it will shorten the urls
- to that number. Also a third argument exists that makes the urls
- "nofollow":
-
- .. sourcecode:: jinja
-
- {{ mytext|urlize(40, true) }}
- links are shortened to 40 chars and defined with rel="nofollow"
- """
- rv = urlize(value, trim_url_limit, nofollow)
- if eval_ctx.autoescape:
- rv = Markup(rv)
- return rv
-
-
-def do_indent(s, width=4, indentfirst=False):
- """Return a copy of the passed string, each line indented by
- 4 spaces. The first line is not indented. If you want to
- change the number of spaces or indent the first line too
- you can pass additional parameters to the filter:
-
- .. sourcecode:: jinja
-
- {{ mytext|indent(2, true) }}
- indent by two spaces and indent the first line too.
- """
- indention = u' ' * width
- rv = (u'\n' + indention).join(s.splitlines())
- if indentfirst:
- rv = indention + rv
- return rv
-
-
-def do_truncate(s, length=255, killwords=False, end='...'):
- """Return a truncated copy of the string. The length is specified
- with the first parameter which defaults to ``255``. If the second
- parameter is ``true`` the filter will cut the text at length. Otherwise
- it will discard the last word. If the text was in fact
- truncated it will append an ellipsis sign (``"..."``). If you want a
- different ellipsis sign than ``"..."`` you can specify it using the
- third parameter.
-
- .. sourcecode:: jinja
-
- {{ "foo bar"|truncate(5) }}
- -> "foo ..."
- {{ "foo bar"|truncate(5, True) }}
- -> "foo b..."
- """
- if len(s) <= length:
- return s
- elif killwords:
- return s[:length] + end
- words = s.split(' ')
- result = []
- m = 0
- for word in words:
- m += len(word) + 1
- if m > length:
- break
- result.append(word)
- result.append(end)
- return u' '.join(result)
-
-@environmentfilter
-def do_wordwrap(environment, s, width=79, break_long_words=True,
- wrapstring=None):
- """
- Return a copy of the string passed to the filter wrapped after
- ``79`` characters. You can override this default using the first
- parameter. If you set the second parameter to `false` Jinja will not
- split words apart if they are longer than `width`. By default, the newlines
- will be the default newlines for the environment, but this can be changed
- using the wrapstring keyword argument.
-
- .. versionadded:: 2.7
- Added support for the `wrapstring` parameter.
- """
- if not wrapstring:
- wrapstring = environment.newline_sequence
- import textwrap
- return wrapstring.join(textwrap.wrap(s, width=width, expand_tabs=False,
- replace_whitespace=False,
- break_long_words=break_long_words))
-
-
-def do_wordcount(s):
- """Count the words in that string."""
- return len(_word_re.findall(s))
-
-
-def do_int(value, default=0):
- """Convert the value into an integer. If the
- conversion doesn't work it will return ``0``. You can
- override this default using the first parameter.
- """
- try:
- return int(value)
- except (TypeError, ValueError):
- # this quirk is necessary so that "42.23"|int gives 42.
- try:
- return int(float(value))
- except (TypeError, ValueError):
- return default
-
-
-def do_float(value, default=0.0):
- """Convert the value into a floating point number. If the
- conversion doesn't work it will return ``0.0``. You can
- override this default using the first parameter.
- """
- try:
- return float(value)
- except (TypeError, ValueError):
- return default
-
-
-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)
-
-
-def do_trim(value):
- """Strip leading and trailing whitespace."""
- return soft_unicode(value).strip()
-
-
-def do_striptags(value):
- """Strip SGML/XML tags and replace adjacent whitespace by one space.
- """
- if hasattr(value, '__html__'):
- value = value.__html__()
- return Markup(text_type(value)).striptags()
-
-
-def do_slice(value, slices, fill_with=None):
- """Slice an iterator and return a list of lists containing
- those items. Useful if you want to create a div containing
- three ul tags that represent columns:
-
- .. sourcecode:: html+jinja
-
- <div class="columwrapper">
- {%- for column in items|slice(3) %}
- <ul class="column-{{ loop.index }}">
- {%- for item in column %}
- <li>{{ item }}</li>
- {%- endfor %}
- </ul>
- {%- endfor %}
- </div>
-
- If you pass it a second argument it's used to fill missing
- values on the last iteration.
- """
- seq = list(value)
- length = len(seq)
- items_per_slice = length // slices
- slices_with_extra = length % slices
- offset = 0
- for slice_number in range(slices):
- start = offset + slice_number * items_per_slice
- if slice_number < slices_with_extra:
- offset += 1
- end = offset + (slice_number + 1) * items_per_slice
- tmp = seq[start:end]
- if fill_with is not None and slice_number >= slices_with_extra:
- tmp.append(fill_with)
- yield tmp
-
-
-def do_batch(value, linecount, fill_with=None):
- """
- A filter that batches items. It works pretty much like `slice`
- just the other way round. It returns a list of lists with the
- given number of items. If you provide a second parameter this
- is used to fill up missing items. See this example:
-
- .. sourcecode:: html+jinja
-
- <table>
- {%- for row in items|batch(3, '&nbsp;') %}
- <tr>
- {%- for column in row %}
- <td>{{ column }}</td>
- {%- endfor %}
- </tr>
- {%- endfor %}
- </table>
- """
- result = []
- tmp = []
- for item in value:
- if len(tmp) == linecount:
- yield tmp
- tmp = []
- tmp.append(item)
- if tmp:
- if fill_with is not None and len(tmp) < linecount:
- tmp += [fill_with] * (linecount - len(tmp))
- yield tmp
-
-
-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)
-
-
-@environmentfilter
-def do_groupby(environment, value, attribute):
- """Group a sequence of objects by a common attribute.
-
- If you for example have a list of dicts or objects that represent persons
- with `gender`, `first_name` and `last_name` attributes and you want to
- group all users by genders you can do something like the following
- snippet:
-
- .. sourcecode:: html+jinja
-
- <ul>
- {% for group in persons|groupby('gender') %}
- <li>{{ group.grouper }}<ul>
- {% for person in group.list %}
- <li>{{ person.first_name }} {{ person.last_name }}</li>
- {% endfor %}</ul></li>
- {% endfor %}
- </ul>
-
- Additionally it's possible to use tuple unpacking for the grouper and
- list:
-
- .. sourcecode:: html+jinja
-
- <ul>
- {% for grouper, list in persons|groupby('gender') %}
- ...
- {% endfor %}
- </ul>
-
- As you can see the item we're grouping by is stored in the `grouper`
- attribute and the `list` contains all the objects that have this grouper
- in common.
-
- .. versionchanged:: 2.6
- It's now possible to use dotted notation to group by the child
- attribute of another attribute.
- """
- expr = make_attrgetter(environment, attribute)
- return sorted(map(_GroupTuple, groupby(sorted(value, key=expr), expr)))
-
-
-class _GroupTuple(tuple):
- __slots__ = ()
- grouper = property(itemgetter(0))
- list = property(itemgetter(1))
-
- def __new__(cls, xxx_todo_changeme):
- (key, value) = xxx_todo_changeme
- return tuple.__new__(cls, (key, list(value)))
-
-
-@environmentfilter
-def do_sum(environment, iterable, attribute=None, start=0):
- """Returns the sum of a sequence of numbers plus the value of parameter
- 'start' (which defaults to 0). When the sequence is empty it returns
- start.
-
- It is also possible to sum up only certain attributes:
-
- .. sourcecode:: jinja
-
- Total: {{ items|sum(attribute='price') }}
-
- .. versionchanged:: 2.6
- The `attribute` parameter was added to allow suming up over
- attributes. Also the `start` parameter was moved on to the right.
- """
- if attribute is not None:
- iterable = imap(make_attrgetter(environment, attribute), iterable)
- return sum(iterable, start)
-
-
-def do_list(value):
- """Convert the value into a list. If it was a string the returned list
- will be a list of characters.
- """
- return list(value)
-
-
-def do_mark_safe(value):
- """Mark the value as safe which means that in an environment with automatic
- escaping enabled this variable will not be escaped.
- """
- return Markup(value)
-
-
-def do_mark_unsafe(value):
- """Mark a value as unsafe. This is the reverse operation for :func:`safe`."""
- return text_type(value)
-
-
-def do_reverse(value):
- """Reverse the object or return an iterator the 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')
-
-
-@environmentfilter
-def do_attr(environment, obj, name):
- """Get an attribute of an object. ``foo|attr("bar")`` works like
- ``foo["bar"]`` just that always an attribute is returned and items are not
- looked up.
-
- See :ref:`Notes on subscriptions <notes-on-subscriptions>` for more details.
- """
- try:
- name = str(name)
- except UnicodeError:
- pass
- else:
- try:
- value = getattr(obj, name)
- except AttributeError:
- pass
- else:
- if environment.sandboxed and not \
- environment.is_safe_attribute(obj, name, value):
- return environment.unsafe_undefined(obj, name)
- return value
- return environment.undefined(obj=obj, name=name)
-
-
-@contextfilter
-def do_map(*args, **kwargs):
- """Applies a filter on a sequence of objects or looks up an attribute.
- This is useful when dealing with lists of objects but you are really
- only interested in a certain value of it.
-
- The basic usage is mapping on an attribute. Imagine you have a list
- of users but you are only interested in a list of usernames:
-
- .. sourcecode:: jinja
-
- Users on this page: {{ users|map(attribute='username')|join(', ') }}
-
- Alternatively you can let it invoke a filter by passing the name of the
- filter and the arguments afterwards. A good example would be applying a
- text conversion filter on a sequence:
-
- .. sourcecode:: jinja
-
- Users on this page: {{ titles|map('lower')|join(', ') }}
-
- .. versionadded:: 2.7
- """
- 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)
-
- if seq:
- for item in seq:
- yield func(item)
-
-
-@contextfilter
-def do_select(*args, **kwargs):
- """Filters a sequence of objects by appying a test to either the object
- or the attribute and only selecting the ones with the test succeeding.
-
- Example usage:
-
- .. sourcecode:: jinja
-
- {{ numbers|select("odd") }}
-
- .. versionadded:: 2.7
- """
- return _select_or_reject(args, kwargs, lambda x: x, False)
-
-
-@contextfilter
-def do_reject(*args, **kwargs):
- """Filters a sequence of objects by appying a test to either the object
- or the attribute and rejecting the ones with the test succeeding.
-
- Example usage:
-
- .. sourcecode:: jinja
-
- {{ numbers|reject("odd") }}
-
- .. versionadded:: 2.7
- """
- return _select_or_reject(args, kwargs, lambda x: not x, False)
-
-
-@contextfilter
-def do_selectattr(*args, **kwargs):
- """Filters a sequence of objects by appying a test to either the object
- or the attribute and only selecting the ones with the test succeeding.
-
- Example usage:
-
- .. sourcecode:: jinja
-
- {{ users|selectattr("is_active") }}
- {{ users|selectattr("email", "none") }}
-
- .. versionadded:: 2.7
- """
- return _select_or_reject(args, kwargs, lambda x: x, True)
-
-
-@contextfilter
-def do_rejectattr(*args, **kwargs):
- """Filters a sequence of objects by appying a test to either the object
- or the attribute and rejecting the ones with the test succeeding.
-
- .. sourcecode:: jinja
-
- {{ users|rejectattr("is_active") }}
- {{ users|rejectattr("email", "none") }}
-
- .. versionadded:: 2.7
- """
- return _select_or_reject(args, kwargs, lambda x: not x, True)
-
-
-def _select_or_reject(args, kwargs, modfunc, lookup_attr):
- context = args[0]
- seq = args[1]
- if lookup_attr:
- try:
- attr = args[2]
- except LookupError:
- raise FilterArgumentError('Missing parameter for attribute name')
- transfunc = make_attrgetter(context.environment, attr)
- off = 1
- else:
- off = 0
- transfunc = lambda x: x
-
- try:
- name = args[2 + off]
- args = args[3 + off:]
- func = lambda item: context.environment.call_test(
- name, item, args, kwargs)
- except LookupError:
- func = bool
-
- if seq:
- for item in seq:
- if modfunc(func(transfunc(item))):
- yield item
-
-
-FILTERS = {
- 'attr': do_attr,
- 'replace': do_replace,
- 'upper': do_upper,
- 'lower': do_lower,
- 'escape': escape,
- 'e': escape,
- 'forceescape': do_forceescape,
- 'capitalize': do_capitalize,
- 'title': do_title,
- 'default': do_default,
- 'd': do_default,
- 'join': do_join,
- 'count': len,
- 'dictsort': do_dictsort,
- 'sort': do_sort,
- 'length': len,
- 'reverse': do_reverse,
- 'center': do_center,
- 'indent': do_indent,
- 'title': do_title,
- 'capitalize': do_capitalize,
- 'first': do_first,
- 'last': do_last,
- 'map': do_map,
- 'random': do_random,
- 'reject': do_reject,
- 'rejectattr': do_rejectattr,
- 'filesizeformat': do_filesizeformat,
- 'pprint': do_pprint,
- 'truncate': do_truncate,
- 'wordwrap': do_wordwrap,
- 'wordcount': do_wordcount,
- 'int': do_int,
- 'float': do_float,
- 'string': soft_unicode,
- 'list': do_list,
- 'urlize': do_urlize,
- 'format': do_format,
- 'trim': do_trim,
- 'striptags': do_striptags,
- 'select': do_select,
- 'selectattr': do_selectattr,
- 'slice': do_slice,
- 'batch': do_batch,
- 'sum': do_sum,
- 'abs': abs,
- 'round': do_round,
- 'groupby': do_groupby,
- 'safe': do_mark_safe,
- 'xmlattr': do_xmlattr,
- 'urlencode': do_urlencode
-}
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