Wrap marky-markdown

.travis.yml

@@ -14,6 +14,7 @@ install:
  - if [ "${TRAVIS_BRANCH}" = "master" -a "${TRAVIS_PULL_REQUEST}" = "false" ]; then rm -rf env; fi
  - touch requirements.txt package.json
  - make env
+ - npm install -g marky-markdown
 before_script:
  - echo "DATABASE_URL=dbname=gratipay" | tee -a tests/local.env local.env
  - psql -U postgres -c 'CREATE DATABASE "gratipay";'

gratipay/utils/markdown.py

@@ -1,9 +1,19 @@
+from subprocess import Popen, PIPE
+
 from markupsafe import Markup
 import misaka as m  # http://misaka.61924.nl/
 
+
 def render(markdown):
     return Markup(m.html(
         markdown,
         extensions=m.EXT_AUTOLINK | m.EXT_STRIKETHROUGH | m.EXT_NO_INTRA_EMPHASIS,
         render_flags=m.HTML_SKIP_HTML | m.HTML_TOC | m.HTML_SMARTYPANTS | m.HTML_SAFELINK
     ))
+
+
+def marky(markdown):
+    """Process markdown the same way npm does.
+    """
+    marky = Popen(("marky-markdown", "/dev/stdin"), stdin=PIPE, stdout=PIPE)
+    return Markup(marky.communicate(markdown)[0])

tests/py/test_markdown.py

@@ -0,0 +1,12 @@
+from gratipay.testing import Harness
+from gratipay.utils import markdown
+
+from HTMLParser import HTMLParser
+
+class TestMarkdown(Harness):
+
+    def test_marky_works(self):
+        md = "**Hello World!**"
+        actual = HTMLParser().unescape(markdown.marky(md)).strip()
+        expected = '<p><strong>Hello World!</strong></p>'
+        assert actual == expected