Python django.template.defaultfilters 模块，escape() 实例源码

def style_element(text):
    low_text = text.strip().lower()
    if low_text in YES_KEYWORDS:
        return YES_IMG
    if low_text in NO_KEYWORDS:
        return NO_IMG

    if plus_two_re.search(low_text):
        return YES_IMG * 2

    if minus_two_re.search(low_text):
        return NO_IMG * 2

    if plus_three_re.search(low_text):
        return YES_IMG * 3

    if minus_three_re.search(low_text):
        return NO_IMG * 3

    text = escape(text)

    found = False
    for positive in YES_KEYWORDS:
        if text.startswith(positive):
            text = '%s %s' % (YES_IMG, text[len(positive):])
            found = True
            break
    if not found:
        for negative in NO_KEYWORDS:
            if text.startswith(negative):
                text = '%s %s' % (NO_IMG, text[len(negative):])
                break

    return text

def html_escape(value):
    from django.template.defaultfilters import escape
    return escape(value)

def get_meta_keywords(self):
        meta_tag = ""
        if self.meta_keywords:
            meta_tag = """<meta name="keywords" content="%s" />\n""" % escape(self.meta_keywords)
        return mark_safe(meta_tag)

def get_meta_description(self):
        meta_tag = ""
        if self.meta_description:
            meta_tag = """<meta name="description" content="%s" />\n""" % escape(self.meta_description)
        return mark_safe(meta_tag)

def get_meta_author(self):
        meta_tag = ""
        if self.meta_author:
            meta_tag = """<meta name="author" content="%s" />\n""" % escape(self.meta_author)
        return mark_safe(meta_tag)

def get_meta_copyright(self):
        meta_tag = ""
        if self.meta_copyright:
            meta_tag = """<meta name="copyright" content="%s" />\n""" % escape(self.meta_copyright)
        return mark_safe(meta_tag)

def get_meta_keywords(self):
        meta_tag = ""
        if self.meta_keywords:
            meta_tag = """<meta name="keywords" content="%s" />\n""" % escape(self.meta_keywords)
        return mark_safe(meta_tag)

def get_meta_author(self):
        meta_tag = ""
        if self.meta_author:
            meta_tag = """<meta name="author" content="%s" />\n""" % escape(self.meta_author)
        return mark_safe(meta_tag)

def get_meta_copyright(self):
        meta_tag = ""
        if self.meta_copyright:
            meta_tag = """<meta name="copyright" content="%s" />\n""" % escape(self.meta_copyright)
        return mark_safe(meta_tag)

def get_meta_keywords(self):
        meta_tag = u""
        if self.meta_keywords:
            meta_tag = u"""<meta name="keywords" content="%s" />\n""" % escape(self.meta_keywords)
        return mark_safe(meta_tag)

def get_meta_description(self):
        meta_tag = u""
        if self.meta_description:
            meta_tag = u"""<meta name="description" content="%s" />\n""" % escape(self.meta_description)
        return mark_safe(meta_tag)

def get_meta_author(self):
        meta_tag = u""
        if self.meta_author:
            meta_tag = u"""<meta name="author" content="%s" />\n""" % escape(self.meta_author)
        return mark_safe(meta_tag)

def get_meta_keywords(self):
        meta_tag = ""
        if self.meta_keywords:
            meta_tag = """<meta name="keywords" content="%s" />\n""" % escape(self.meta_keywords)
        return mark_safe(meta_tag)

def get_meta_description(self):
        meta_tag = ""
        if self.meta_description:
            meta_tag = """<meta name="description" content="%s" />\n""" % escape(self.meta_description)
        return mark_safe(meta_tag)

def get_meta_author(self):
        meta_tag = ""
        if self.meta_author:
            meta_tag = """<meta name="author" content="%s" />\n""" % escape(self.meta_author)
        return mark_safe(meta_tag)

def get_meta_copyright(self):
        meta_tag = ""
        if self.meta_copyright:
            meta_tag = """<meta name="copyright" content="%s" />\n""" % escape(self.meta_copyright)
        return mark_safe(meta_tag)

def get_meta_keywords(self):
        meta_tag = ""
        if self.meta_keywords:
            meta_tag = """<meta name="keywords" content="%s" />\n""" % escape(self.meta_keywords)
        return mark_safe(meta_tag)

def get_meta_author(self):
        meta_tag = ""
        if self.meta_author:
            meta_tag = """<meta name="author" content="%s" />\n""" % escape(self.meta_author)
        return mark_safe(meta_tag)

def get_meta_copyright(self):
        meta_tag = ""
        if self.meta_copyright:
            meta_tag = """<meta name="copyright" content="%s" />\n""" % escape(self.meta_copyright)
        return mark_safe(meta_tag)

def get_meta_keywords(self):
        meta_tag = ""
        if self.meta_keywords:
            meta_tag = """<meta name="keywords" content="%s" />\n""" % escape(self.meta_keywords)
        return mark_safe(meta_tag)

def get_meta_description(self):
        meta_tag = ""
        if self.meta_description:
            meta_tag = """<meta name="description" content="%s" />\n""" % escape(self.meta_description)
        return mark_safe(meta_tag)

def get_meta_author(self):
        meta_tag = ""
        if self.meta_author:
            meta_tag = """<meta name="author" content="%s" />\n""" % escape(self.meta_author)
        return mark_safe(meta_tag)

def item_content(self, notification):
        return {"type": "html"}, linebreaks(escape(notification.message))