Python safestring.SafeData方法代码示例

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def render(self, context):
        try:
            output = self.filter_expression.resolve(context)
            output = template_localtime(output, use_tz=context.use_tz)
            output = localize(output, use_l10n=context.use_l10n)
            output = force_text(output)
        except UnicodeDecodeError:
            return ''
        except Exception as e:
            if not hasattr(e, 'django_template_source'):
                e.django_template_source = self.source
            raise
        if (context.autoescape and not isinstance(output, SafeData)) or isinstance(output, EscapeData):
            return conditional_escape(output)
        else:
            return output 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def render(self, context):
        self.filter_expression.var.translate = not self.noop
        if self.message_context:
            self.filter_expression.var.message_context = (
                self.message_context.resolve(context))
        output = self.filter_expression.resolve(context)
        value = render_value_in_context(output, context)
        # Restore percent signs. Percent signs in template text are doubled
        # so they are not interpreted as string format flags.
        is_safe = isinstance(value, SafeData)
        value = value.replace('%%', '%')
        value = mark_safe(value) if is_safe else value
        if self.asvar:
            context[self.asvar] = value
            return ''
        else:
            return value 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def gettext(message):
    """
    Translate the 'message' string. It uses the current thread to find the
    translation object to use. If no current translation is activated, the
    message will be run through the default translation object.
    """
    global _default

    eol_message = message.replace('\r\n', '\n').replace('\r', '\n')

    if len(eol_message) == 0:
        # Return an empty value of the corresponding type if an empty message
        # is given, instead of metadata, which is the default gettext behavior.
        result = type(message)("")
    else:
        _default = _default or translation(settings.LANGUAGE_CODE)
        translation_object = getattr(_active, "value", _default)

        result = translation_object.gettext(eol_message)

    if isinstance(message, SafeData):
        return mark_safe(result)

    return result 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def stringfilter(func):
    """
    Decorator for filters which should only receive strings. The object
    passed as the first positional argument will be converted to a string.
    """
    def _dec(*args, **kwargs):
        if args:
            args = list(args)
            args[0] = str(args[0])
            if (isinstance(args[0], SafeData) and
                    getattr(_dec._decorated_function, 'is_safe', False)):
                return mark_safe(func(*args, **kwargs))
        return func(*args, **kwargs)

    # Include a reference to the real function (used to check original
    # arguments by the template parser, and to bear the 'is_safe' attribute
    # when multiple decorators are applied).
    _dec._decorated_function = getattr(func, '_decorated_function', func)

    return wraps(func)(_dec)


###################
# STRINGS         #
################### 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def do_translate(message, translation_function):
        """Copied from django.utils.translation.trans_real"""
        # str() is allowing a bytestring message to remain bytestring on Python 2
        eol_message = message.replace(str('\r\n'), str('\n')).replace(str('\r'), str('\n'))

        if len(eol_message) == 0:
            # Returns an empty value of the corresponding type if an empty message
            # is given, instead of metadata, which is the default gettext behavior.
            result = ''
        else:
            translation_object = translation(get_language())
            result = getattr(translation_object, translation_function)(eol_message)
            if not isinstance(result, six.text_type):
                result = result.decode('utf-8')

        if isinstance(message, SafeData):
            return mark_safe(result)

        return result 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def gettext(message):
    """
    Translate the 'message' string. It uses the current thread to find the
    translation object to use. If no current translation is activated, the
    message will be run through the default translation object.
    """
    global _default

    eol_message = message.replace('\r\n', '\n').replace('\r', '\n')

    if eol_message:
        _default = _default or translation(settings.LANGUAGE_CODE)
        translation_object = getattr(_active, "value", _default)

        result = translation_object.gettext(eol_message)
    else:
        # Return an empty value of the corresponding type if an empty message
        # is given, instead of metadata, which is the default gettext behavior.
        result = type(message)('')

    if isinstance(message, SafeData):
        return mark_safe(result)

    return result 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def stringfilter(func):
    """
    Decorator for filters which should only receive strings. The object
    passed as the first positional argument will be converted to a string.
    """
    def _dec(*args, **kwargs):
        args = list(args)
        args[0] = str(args[0])
        if (isinstance(args[0], SafeData) and
                getattr(_dec._decorated_function, 'is_safe', False)):
            return mark_safe(func(*args, **kwargs))
        return func(*args, **kwargs)

    # Include a reference to the real function (used to check original
    # arguments by the template parser, and to bear the 'is_safe' attribute
    # when multiple decorators are applied).
    _dec._decorated_function = getattr(func, '_decorated_function', func)

    return wraps(func)(_dec)


###################
# STRINGS         #
################### 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def do_translate(message, translation_function):
    """
    Translates 'message' using the given 'translation_function' name -- which
    will be either gettext or ugettext. It uses the current thread to find the
    translation object to use. If no current translation is activated, the
    message will be run through the default translation object.
    """
    global _default

    # str() is allowing a bytestring message to remain bytestring on Python 2
    eol_message = message.replace(str('\r\n'), str('\n')).replace(str('\r'), str('\n'))
    t = getattr(_active, "value", None)
    if t is not None:
        result = getattr(t, translation_function)(eol_message)
    else:
        if _default is None:
            from django.conf import settings
            _default = translation(settings.LANGUAGE_CODE)
        result = getattr(_default, translation_function)(eol_message)
    if isinstance(message, SafeData):
        return mark_safe(result)
    return result 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def render(self, context):
        try:
            output = self.filter_expression.resolve(context)
            output = template_localtime(output, use_tz=context.use_tz)
            output = localize(output, use_l10n=context.use_l10n)
            output = force_text(output)
        except UnicodeDecodeError:
            return ''
        except Exception as e:
            if not hasattr(e, 'django_template_source'):
                e.django_template_source = self.source
            raise
        if (context.autoescape and not isinstance(output, SafeData)) or isinstance(output, EscapeData):
            return escape(output)
        else:
            return output 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def conditional_escape(text):
    """
    Similar to escape(), except that it doesn't operate on pre-escaped strings.

    This function relies on the __html__ convention used both by Django's
    SafeData class and by third-party libraries like markupsafe.
    """
    if hasattr(text, '__html__'):
        return text.__html__()
    else:
        return escape(text) 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def do_translate(message, translation_function):
    """
    Translates 'message' using the given 'translation_function' name -- which
    will be either gettext or ugettext. It uses the current thread to find the
    translation object to use. If no current translation is activated, the
    message will be run through the default translation object.
    """
    global _default

    # str() is allowing a bytestring message to remain bytestring on Python 2
    eol_message = message.replace(str('\r\n'), str('\n')).replace(str('\r'), str('\n'))

    if len(eol_message) == 0:
        # Returns an empty value of the corresponding type if an empty message
        # is given, instead of metadata, which is the default gettext behavior.
        result = type(message)("")
    else:
        _default = _default or translation(settings.LANGUAGE_CODE)
        translation_object = getattr(_active, "value", _default)

        result = getattr(translation_object, translation_function)(eol_message)

    if isinstance(message, SafeData):
        return mark_safe(result)

    return result 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def stringfilter(func):
    """
    Decorator for filters which should only receive unicode objects. The object
    passed as the first positional argument will be converted to a unicode
    object.
    """
    def _dec(*args, **kwargs):
        if args:
            args = list(args)
            args[0] = force_text(args[0])
            if (isinstance(args[0], SafeData) and
                    getattr(_dec._decorated_function, 'is_safe', False)):
                return mark_safe(func(*args, **kwargs))
        return func(*args, **kwargs)

    # Include a reference to the real function (used to check original
    # arguments by the template parser, and to bear the 'is_safe' attribute
    # when multiple decorators are applied).
    _dec._decorated_function = getattr(func, '_decorated_function', func)

    return wraps(func)(_dec)


###################
# STRINGS         #
################### 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def linenumbers(value, autoescape=True):
    """Displays text with line numbers."""
    lines = value.split('\n')
    # Find the maximum width of the line count, for use with zero padding
    # string format command
    width = six.text_type(len(six.text_type(len(lines))))
    if not autoescape or isinstance(value, SafeData):
        for i, line in enumerate(lines):
            lines[i] = ("%0" + width + "d. %s") % (i + 1, line)
    else:
        for i, line in enumerate(lines):
            lines[i] = ("%0" + width + "d. %s") % (i + 1, escape(line))
    return mark_safe('\n'.join(lines)) 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def linebreaks_filter(value, autoescape=True):
    """
    Replaces line breaks in plain text with appropriate HTML; a single
    newline becomes an HTML line break (``<br />``) and a new line
    followed by a blank line becomes a paragraph break (``</p>``).
    """
    autoescape = autoescape and not isinstance(value, SafeData)
    return mark_safe(linebreaks(value, autoescape)) 

# 需要导入模块: from django.utils import safestring [as 别名]
# 或者: from django.utils.safestring import SafeData [as 别名]
def linebreaksbr(value, autoescape=True):
    """
    Converts all newlines in a piece of plain text to HTML line breaks
    (``<br />``).
    """
    autoescape = autoescape and not isinstance(value, SafeData)
    value = normalize_newlines(value)
    if autoescape:
        value = escape(value)
    return mark_safe(value.replace('\n', '<br />'))