-
Notifications
You must be signed in to change notification settings - Fork 27
Expand file tree
/
Copy pathsyntaxes.py
More file actions
77 lines (64 loc) · 2.78 KB
/
syntaxes.py
File metadata and controls
77 lines (64 loc) · 2.78 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
# Copyright (c) 2015-2019 The Botogram Authors (see AUTHORS)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
import re
from . import utils
_markdown_re = re.compile(r".*("
r"\*(.*)\*|"
r"_(.*)_|"
r"\[(.*)\]\((.*)\)|"
r"`(.*)`|"
r"```(.*)```"
r").*")
_html_re = re.compile(r".*("
r"<b>(.*)<\/b>|"
r"<strong>(.*)<\/strong>|"
r"<i>(.*)<\/i>|"
r"<em>(.*)<\/em>|"
r"<a\shref=\"(.*)\">(.*)<\/a>|"
r"<code>(.*)<\/code>|"
r"<pre>(.*)<\/pre>"
r").*")
def is_markdown(message):
"""Check if a string is actually markdown"""
# Don't mark part of URLs or email addresses as Markdown
message = utils.strip_urls(message)
return bool(_markdown_re.match(message.replace("\n", "")))
def is_html(message):
"""Check if a string is actually HTML"""
# Here URLs are not stripped because no sane URL contains HTML tags in it,
# and for a few cases the speed penality is not worth
return bool(_html_re.match(message.replace("\n", "")))
def guess_syntax(message, provided):
"""Guess the right syntax for a message"""
if provided is None:
if is_markdown(message):
return "Markdown"
elif is_html(message):
return "HTML"
else:
return None
if provided in ("plain",):
return None
elif provided in ("md", "markdown", "Markdown"):
return "Markdown"
elif provided in ("html", "HTML"):
return "HTML"
else:
raise ValueError("Invalid syntax: %s" % provided)