8000 Add support for syntax highlighting in PEPs by ilevkivskyi · Pull Request #1063 · python/pythondotorg · GitHub
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Add support for syntax highlighting in PEPs #1063

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Add support for syntax highlighting in PEPs #1063

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c047370
Add support for syntax highlighting in PEPs
ilevkivskyi Mar 16, 2017
ccc4a4d
Implement review comments, and add a test
ilevkivskyi Mar 23, 2017
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25 changes: 25 additions & 0 deletions peps/converters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,11 +7,21 @@
from django.core.exceptions import ImproperlyConfigured
from django.core.files import File

from pygments import highlight
from pygments.lexers import PythonLexer
from pygments.formatters import HtmlFormatter

from pages.models import Page, Image

PEP_TEMPLATE = 'pages/pep-page.html'
pep_url = lambda num: 'dev/peps/pep-{}/'.format(num)

# To simplify syntax highlighting, all literal blocks (those produced by ::)
# in the following PEPs will be automatically highlighted using Python lexer.
# PEP editors/authors could make simple PRs extending this list.
# This will be not needed when PEPs are moved to RtD and all code blocks are
# formatted using .. code:: language.
PURE_PYTHON_PEPS = [483, 484, 526]

def check_paths():
""" Checks to ensure our PEP_REPO_PATH is setup correctly """
Expand Down Expand Up @@ -160,6 +170,21 @@ def convert_pep_page(pep_number, content):
# Fix PEP links
pep_content = BeautifulSoup(data['content'])
body_links = pep_content.find_all("a")
# Fix highlighting code
code_blocks = pep_content.find_all('pre', class_='code')
for cb in code_blocks:
del cb['class']
div = pep_content.new_tag('div')
div['class'] = ['highlight']
cb.wrap(div)
# Highlight existing pure-Python PEPs
if int(pep_number) in PURE_PYTHON_PEPS:
literal_blocks = pep_content.find_all('pre', class_='literal-block')
for lb in literal_blocks:
block = lb.string
if block:
highlighted = highlight(block, PythonLexer(), HtmlFormatter())
lb.replace_with(BeautifulSoup(highlighted).html.body.div)

pep_href_re = re.compile(r'pep-(\d+)\.html')

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