jinja2扩展，允许将任何筛选器用作自定义autescape筛选器。
jinja2-ext-custom-autoescaping的Python项目详细描述
概述
Jinja2扩展，允许将任何筛选器用作自定义的Autoscape筛选器。
此包允许您定义规则以确定自定义自动转义筛选器将在何时 使用已用于确定的“选择自动转义”方法启用 启用内置自动转义筛选器时。
用法
from jinja2_ext_custom_autoescaping import CustomAutoescapeExtension, enable_custom_autoescaping
from jinja2 import Environment, select_autoescape, FileSystemLoader
# Your custom filter...
def my_filter(val):
print(val)
if isinstance(val, str):
return val.replace(r"\\", r"\\\\")
return val
# Here you set the rules for when the built-in autoescaping will be enabled
built_in_select_autoescape = select_autoescape(enabled_extensions=['html', 'htm', 'xml'],
disabled_extensions=['txt', 'tex'],
default_for_string=True,
default=True)
# - select_autoescape is a closure
# - enabled_extensions takes precedence over disabled_extensions, so an extension in both lists will be enabled
# - You most likely do not want to have custom autoescaping on while built-in autoescaping is also on
# Here you set the rules for when your custom autoescaping will be enabled
custom_select_autoescape = select_autoescape(enabled_extensions=['tex', 'txt'],
disabled_extensions=[],
default_for_string=False,
default=False)
# Just focusing on the important parts of your Environment construction.
env = Environment(extensions=[CustomAutoescapeExtension],
loader=FileSystemLoader(['.']),
autoescape=built_in_select_autoescape)
opts = {'custom_select_autoescape': custom_select_autoescape,
'custom_autoescape_filter_name': 'my_filter',
'custom_autoescape_filter_func': my_filter}
# Register the filter and enables autoescaping
enable_custom_autoescaping(env, **opts)
# Now you are ready to go...
template = env.get_template('test_template.txt')
print(template.render(var={'entry 1': 'value 1', 'entry2': r'val\\ue 2'}))
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