1
mirror of https://github.com/streamlink/streamlink synced 2024-11-12 23:02:38 +01:00
streamlink/docs/ext_github.py
2017-01-12 22:12:07 +07:00

71 lines
2.1 KiB
Python

"""Creates Github links from @user and #issue text.
Bascially a much simplified version of sphinxcontrib.issuetracker
with support for @user.
"""
import re
import sys
from docutils import nodes
from docutils.transforms import Transform
GITHUB_ISSUE_URL = "https://github.com/{0}/issues/{1}"
GITHUB_USER_URL = "https://github.com/{1}"
if sys.version_info[0] == 2:
str = unicode
class GithubReferences(Transform):
default_priority = 999
def apply(self):
config = self.document.settings.env.config
issue_re = re.compile(config.github_issue_pattern)
mention_re = re.compile(config.github_mention_pattern)
self._replace_pattern(issue_re, GITHUB_ISSUE_URL)
self._replace_pattern(mention_re, GITHUB_USER_URL)
def _replace_pattern(self, pattern, url_format):
project = self.document.settings.env.config.github_project
for node in self.document.traverse(nodes.Text):
parent = node.parent
if isinstance(parent, (nodes.literal, nodes.FixedTextElement)):
continue
text = str(node)
new_nodes = []
last_ref_end = 0
for match in pattern.finditer(text):
head = text[last_ref_end:match.start()]
if head:
new_nodes.append(nodes.Text(head))
last_ref_end = match.end()
ref = url_format.format(project, match.group(1))
link = nodes.reference(
match.group(0),
match.group(0),
refuri=ref
)
new_nodes.append(link)
if not new_nodes:
continue
tail = text[last_ref_end:]
if tail:
new_nodes.append(nodes.Text(tail))
parent.replace(node, new_nodes)
def setup(app):
app.add_config_value("github_project", None, "env")
app.add_config_value("github_issue_pattern", r"#(\d+)", "env")
app.add_config_value("github_mention_pattern", r"@(\w+)", "env")
app.add_transform(GithubReferences)