move draft generation to conf.py from tox - this way will work in rea…

…dthedocs

.gitignore

@@ -26,3 +26,4 @@ htmlcov
 py27/
 
 .*_cache
+_draft.rst

CHANGELOG.rst

@@ -20,7 +20,7 @@ on Github:
     folder. If necessary, the generated text can be edited afterwards to e.g. merge rc changes
     into the final release notes.
 
-.. include:: ../.tox/docs_out/draft_changelog.rst
+.. include:: ../_draft.rst
 
 .. towncrier release notes start
 

doc/conf.py

@@ -1,17 +1,38 @@
 import os
-import sys
+import re
+import subprocess
 from datetime import date
+from pathlib import Path
 
 from pkg_resources import get_distribution
 
-sys.path.insert(0, os.path.dirname(__file__))
+DOC_DIR = Path(__file__).parents[1]
 extensions = [
     "sphinx.ext.autodoc",
     "sphinx.ext.extlinks",
     "sphinx.ext.intersphinx",
     "sphinx.ext.viewcode",
 ]
 
+
+def generate_draft_news():
+    home = "https://github.com"
+    issue = "{}/issue".format(home)
+    fragments_path = DOC_DIR / "changelog"
+    for pattern, replacement in (
+        (r"[^`]@([^,\s]+)", r"`@\1 <{}/\1>`_".format(home)),
+        (r"[^`]#([\d]+)", r"`#pr\1 <{}/\1>`_".format(issue)),
+    ):
+        for path in fragments_path.glob("*.rst"):
+            path.write_text(re.sub(pattern, replacement, path.read_text()))
+    changelog = subprocess.check_output(
+        ["towncrier", "--draft", "--version", "DRAFT"], cwd=str(DOC_DIR)
+    )
+    (DOC_DIR / "_draft.rst").write_bytes(changelog)
+
+
+generate_draft_news()
+
 project = u"tox"
 _full_version = get_distribution(project).version
 release = _full_version.split("+", 1)[0]

tox.ini

@@ -26,9 +26,7 @@ passenv = *
 basepython = python3.6
 extras = docs
 changedir = {toxinidir}
-commands = python tasks/pre-process-changelog.py
-           python -c 'import subprocess; from pathlib import Path; Path("{toxworkdir}/docs_out/draft_changelog.rst").write_bytes(subprocess.check_output(["towncrier", "--draft", "--version", "DRAFT"]))'
-           sphinx-build -d "{toxworkdir}/docs_doctree" doc "{toxworkdir}/docs_out" --color -W -bhtml {posargs}
+commands = sphinx-build -d "{toxworkdir}/docs_doctree" doc "{toxworkdir}/docs_out" --color -W -bhtml {posargs}
            python -m webbrowser -t "{toxworkdir}/docs_out/index.html"
 
 [testenv:fix-lint]