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Telegram and HTML title conversion updates (#574)
This commit is contained in:
Chris Caron
GitHub
parent
1908b26668
commit
8a3acc815d
@ -546,7 +546,7 @@ class Apprise(object):
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conversion_body_map[server.notify_format]) = \
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convert_between(
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body_format, server.notify_format, body=body,
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title=title)
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title=title, title_format=server.title_format)
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if interpret_escapes:
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#
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@ -36,7 +36,8 @@ else:
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from html.parser import HTMLParser
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def convert_between(from_format, to_format, body, title=None):
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def convert_between(from_format, to_format, body, title=None,
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title_format=NotifyFormat.TEXT):
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"""
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Converts between different notification formats. If no conversion exists,
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or the selected one fails, the original text will be returned.
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@ -60,27 +61,31 @@ def convert_between(from_format, to_format, body, title=None):
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title = '' if not title else title
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convert = converters.get((from_format, to_format))
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title, body = convert(title=title, body=body) \
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title, body = convert(title=title, body=body, title_format=title_format) \
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if convert is not None else (title, body)
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return (title, body)
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def markdown_to_html(body, title=None):
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def markdown_to_html(body, title=None, title_format=None):
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"""
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Handle Markdown conversions
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"""
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if title_format == NotifyFormat.HTML and title:
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# perform conversion if otherwise told to do so
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title = markdown(title)
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return (
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# Title
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'' if not title else markdown(title),
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'' if not title else title,
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# Body
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markdown(body),
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)
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def text_to_html(body, title=None):
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def text_to_html(body, title=None, title_format=None):
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"""
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Converts a notification body from plain text to HTML.
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"""
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@ -124,7 +129,7 @@ def text_to_html(body, title=None):
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lambda x: re_map[x.group()], body)))
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def html_to_text(body, title=None):
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def html_to_text(body, title=None, title_format=None):
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"""
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Converts a notification body from HTML to plain text.
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"""
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@ -121,6 +121,13 @@ class NotifyBase(BASE_OBJECT):
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# automatically placed into the body
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title_maxlen = 250
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# Set this to HTML for services that support the conversion of HTML in
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# the title. For example; services like Telegram support HTML in the
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# title, however services like Email (where this goes in the Subject line)
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# do not (but the body does). By default we do not convert titles but
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# allow those who wish to over-ride this to do so.
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title_format = NotifyFormat.TEXT
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# Set the maximum line count; if this is set to anything larger then zero
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# the message (prior to it being sent) will be truncated to this number
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# of lines. Setting this to zero disables this feature.
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@ -105,6 +105,9 @@ class NotifyTelegram(NotifyBase):
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# The maximum allowable characters allowed in the body per message
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body_maxlen = 4096
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# Allow the title to support HTML character sets
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title_format = NotifyFormat.HTML
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# Telegram is limited to sending a maximum of 100 requests per second.
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request_rate_per_sec = 0.001
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@ -541,7 +544,7 @@ class NotifyTelegram(NotifyBase):
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'disable_web_page_preview': not self.preview,
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}
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# Prepare Email Message
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# Prepare Message Body
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if self.notify_format == NotifyFormat.MARKDOWN:
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payload['parse_mode'] = 'MARKDOWN'
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@ -550,7 +553,7 @@ class NotifyTelegram(NotifyBase):
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body,
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)
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else: # TEXT or HTML
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elif self.notify_format == NotifyFormat.HTML:
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# Use Telegram's HTML mode
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payload['parse_mode'] = 'HTML'
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@ -561,39 +564,48 @@ class NotifyTelegram(NotifyBase):
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telegram_escape_html_dict = {
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# HTML Spaces ( ) and tabs ( ) aren't supported
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# See https://core.telegram.org/bots/api#html-style
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r'nbsp': ' ',
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r'\ ?': ' ',
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# Tabs become 3 spaces
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r'emsp': ' ',
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r'\ ?': ' ',
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# Some characters get re-escaped by the Telegram upstream
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# service so we need to convert these back,
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r'apos': '\'',
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r'quot': '"',
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r'\'?': '\'',
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r'\"?': '"',
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# the following tags are not supported
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r'<[ \t]*/?(br|p|div|span|body|script|meta|html|font'
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r'|label|iframe|li|ol|ul)[^>]*>': '',
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# The following characters can be altered to become supported
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r'<[ \t]*pre[^>]*>': '<code>',
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r'<[ \t]*/pre[^>]*>': '</code>',
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# Bold
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r'<[ \t]*(h[0-9]+|title|strong)[^>]*>': '<b>',
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r'<[ \t]*/(h[0-9]+|title|strong)[^>]*>': '</b>',
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# Italic
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r'<[ \t]*(caption|em)[^>]*>': '<i>',
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r'<[ \t]*/(caption|em)[^>]*>': '</i>',
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}
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# Create a regular expression from the dictionary keys
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html_regex = re.compile("&(%s);?" % "|".join(
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map(re.escape, telegram_escape_html_dict.keys())).lower(),
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re.I)
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# For each match, look-up corresponding value in dictionary
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# we look +1 to ignore the & that does not appear in the index
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# we only look at the first 4 characters because we don't want to
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# fail on ' as it's accepted (along with &apos - no
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# semi-colon)
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body = html_regex.sub( # pragma: no branch
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lambda mo: telegram_escape_html_dict[
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mo.string[mo.start():mo.end()][1:5]], body)
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for k, v in telegram_escape_html_dict.items():
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body = re.sub(k, v, body, re.I)
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if title:
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# For each match, look-up corresponding value in dictionary
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# Indexing is explained above (for how the body is parsed)
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title = html_regex.sub( # pragma: no branch
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lambda mo: telegram_escape_html_dict[
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mo.string[mo.start():mo.end()][1:5]], title)
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title = re.sub(k, v, title, re.I)
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# prepare our payload based on HTML or TEXT
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payload['text'] = '{}{}'.format(
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'<b>{}</b>\r\n'.format(title) if title else '',
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body,
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)
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else: # self.notify_format == NotifyFormat.TEXT:
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# Use Telegram's HTML mode
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payload['parse_mode'] = 'HTML'
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if self.notify_format == NotifyFormat.TEXT:
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# Further html escaping required...
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telegram_escape_text_dict = {
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# We need to escape characters that conflict with html
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@ -407,7 +407,7 @@ def test_plugin_telegram_general(mock_post):
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# Test our payload
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assert payload['text'] == \
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'<b>special characters</b>\r\n<p>\'"This can\'t\t\r\nfail us"\'</p>'
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'<b>special characters</b>\r\n\'"This can\'t\t\r\nfail us"\''
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# Test sending attachments
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attach = AppriseAttachment(os.path.join(TEST_VAR_DIR, 'apprise-test.gif'))
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@ -629,10 +629,10 @@ def test_plugin_telegram_formating_py3(mock_post):
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# Test that everything is escaped properly in a TEXT mode
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assert payload['text'] == \
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'<b>🚨 Change detected for <i>Apprise Test Title</i></b>' \
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'\r\n<a href="http://localhost"><i>Apprise Body Title' \
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'</i></a> had <a href="http://127.0.0.1">a change' \
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'</a>'
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'<b>🚨 Change detected for <i>Apprise Test' \
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' Title</i></b>\r\n<a href="http://localhost">' \
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'<i>Apprise Body Title</i></a> had' \
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' <a href="http://127.0.0.1">a change</a>'
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# Reset our values
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mock_post.reset_mock()
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@ -716,9 +716,9 @@ def test_plugin_telegram_formating_py3(mock_post):
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# Test that everything is escaped properly in a HTML mode
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assert payload['text'] == \
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'<b><p>🚨 Change detected for <em>Apprise Test Title</em></p></b>' \
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'\r\n<p><em><a href="http://localhost">Apprise Body Title</a></em> ' \
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'had <a href="http://127.0.0.1">a change</a></p>'
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'<b>🚨 Change detected for <i>Apprise Test Title</i></b>\r\n<i>' \
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'<a href="http://localhost">Apprise Body Title</a></i> ' \
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'had <a href="http://127.0.0.1">a change</a>'
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@pytest.mark.skipif(sys.version_info.major >= 3, reason="Requires Python 2.x+")
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@ -809,11 +809,11 @@ def test_plugin_telegram_formating_py2(mock_post):
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# Test that everything is escaped properly in a TEXT mode
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assert payload['text'].encode('utf-8') == \
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'<b>\xf0\x9f\x9a\xa8 Change detected for <i>' \
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'Apprise Test Title</i></b>\r\n' \
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'<a href="http://localhost"><i>' \
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'Apprise Body Title</i></a> had <a ' \
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'href="http://127.0.0.1">a change</a>'
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'<b>\xf0\x9f\x9a\xa8 Change detected for ' \
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'<i>Apprise Test Title</i></b>\r\n' \
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'<a href="http://localhost"><i>Apprise Body ' \
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'Title</i></a> had <a ' \
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'href="http://127.0.0.1">a change</a>'
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# Reset our values
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mock_post.reset_mock()
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@ -897,10 +897,9 @@ def test_plugin_telegram_formating_py2(mock_post):
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# Test that everything is escaped properly in a HTML mode
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assert payload['text'].encode('utf-8') == \
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'<b><p>\xf0\x9f\x9a\xa8 Change detected for ' \
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'<em>Apprise Test Title</em></p></b>\r\n<p><em>' \
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'<a href="http://localhost">Apprise Body Title</a></em>' \
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' had <a href="http://127.0.0.1">a change</a></p>'
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'<b>\xf0\x9f\x9a\xa8 Change detected for <i>Apprise Test Title</i>' \
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'</b>\r\n<i><a href="http://localhost">Apprise Body Title</a></i> ' \
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'had <a href="http://127.0.0.1">a change</a>'
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# Reset our values
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mock_post.reset_mock()
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@ -951,3 +950,90 @@ def test_plugin_telegram_formating_py2(mock_post):
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'<b>\xd7\x9b\xd7\x95\xd7\xaa\xd7\xa8\xd7\xaa '\
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'\xd7\xa0\xd7\xa4\xd7\x9c\xd7\x90\xd7\x94</b>\r\n[_[\xd7\x96\xd7\x95 '\
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'\xd7\x94\xd7\x95\xd7\x93\xd7\xa2\xd7\x94](http://localhost)_'
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@mock.patch('requests.post')
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def test_plugin_telegram_html_formatting(mock_post):
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"""
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NotifyTelegram() HTML Formatting
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"""
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# on't send anything other than <b>, <i>, <a>,<code> and <pre>
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# Disable Throttling to speed testing
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plugins.NotifyTelegram.request_rate_per_sec = 0
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# Prepare Mock
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mock_post.return_value = requests.Request()
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mock_post.return_value.status_code = requests.codes.ok
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mock_post.return_value.content = '{}'
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# Simple success response
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mock_post.return_value.content = dumps({
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"ok": True,
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"result": [{
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"update_id": 645421321,
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"message": {
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"message_id": 2,
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"from": {
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"id": 532389719,
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"is_bot": False,
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"first_name": "Chris",
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"language_code": "en-US"
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},
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"chat": {
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"id": 532389719,
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"first_name": "Chris",
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"type": "private"
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},
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"date": 1519694394,
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"text": "/start",
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"entities": [{
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"offset": 0,
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"length": 6,
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"type": "bot_command",
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}],
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}},
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],
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})
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mock_post.return_value.status_code = requests.codes.ok
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aobj = Apprise()
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aobj.add('tgram://123456789:abcdefg_hijklmnop/')
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assert len(aobj) == 1
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assert isinstance(aobj[0], plugins.NotifyTelegram)
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# Test our HTML Conversion
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title = '<title>'information&apos</title>'
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body = '<em>"This is in Italic"</em><br/>' \
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'<h5> &emspHeadings are dropped and' \
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' converted to bold</h5>'
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assert aobj.notify(title=title, body=body, body_format=NotifyFormat.HTML)
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# 1 call to look up bot owner, and second for notification
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assert mock_post.call_count == 2
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payload = loads(mock_post.call_args_list[1][1]['data'])
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# Test that everything is escaped properly in a HTML mode
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assert payload['text'] == \
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'<b><b>\'information\'</b></b>\r\n<i>"This is in Italic"</i>' \
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'<b> Headings are dropped and converted to bold</b>'
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mock_post.reset_mock()
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assert aobj.notify(title=title, body=body, body_format=NotifyFormat.TEXT)
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# owner has already been looked up, so only one call is made
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assert mock_post.call_count == 1
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payload = loads(mock_post.call_args_list[0][1]['data'])
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assert payload['text'] == \
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'<b><title>&apos;information&apos</title></b>' \
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'\r\n<em>&quot;This is in Italic&quot</em>' \
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'<br/><h5>&emsp;&emspHeadings&nbsp;are' \
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' dropped and&nbspconverted to bold</h5>'
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