:newsaper: add a new module github issues from moban

Author: chfw

changelog.yml

@@ -1,6 +1,12 @@
 name: moban-jinja2-github
 organisation: moremoban
 releases:
+- changes:
+  - action: added
+    details:
+    - moban.plugins.jinja2.filters.github is moved here
+  version: 0.0.3
+  date: tbd
 - changes:
   - action: first release
     details:

moban_jinja2_github/__init__.py

@@ -2,5 +2,7 @@
 from moban_jinja2_github._version import __author__, __version__
 from moban.plugins.jinja2.extensions import jinja_global
 from moban_jinja2_github.contributors import get_contributors
+import moban_jinja2_github.issues
+
 
 jinja_global("moban_jinja2_contributors", get_contributors)

moban_jinja2_github/issues.py

@@ -0,0 +1,43 @@
+import re
+
+from moban.plugins.jinja2.extensions import JinjaFilter
+
+GITHUB_REF_PATTERN = "`([^`]*?#[0-9]+)`"
+ISSUE = "^.*?" + GITHUB_REF_PATTERN + ".*?$"
+SAME_PROJ_FULL_ISSUE = "`#{3} <https://github.com/{0}/{1}/{2}/{3}>`_"
+DIFF_PROJ_FULL_ISSUE = "`{1}#{3} <https://github.com/{0}/{1}/{2}/{3}>`_"
+PULL_REQUEST = "PR"
+PULL = "pull"
+ISSUES = "issues"
+
+
+@JinjaFilter()
+def github_expand(line, name, organisation):
+    result = re.match(ISSUE, line)
+    if result:
+        github_thing = result.group(1)
+        tokens = github_thing.split("#")
+        if len(tokens) == 4:
+            if tokens[2] == PULL_REQUEST:
+                tokens[2] = PULL
+            else:
+                tokens[2] = ISSUES
+        elif len(tokens) == 3:
+            if tokens[1] == PULL_REQUEST:
+                tokens = [organisation, tokens[0], PULL, tokens[2]]
+            else:
+                tokens = [organisation, tokens[0], ISSUES, tokens[2]]
+        elif len(tokens) == 2:
+            if tokens[0] == PULL_REQUEST:
+                tokens = [organisation, name, PULL] + tokens[1:]
+            elif tokens[0] != "":
+                tokens = [organisation, tokens[0], ISSUES] + tokens[1:]
+            else:
+                tokens = [organisation, name, ISSUES] + tokens[1:]
+        if tokens[1] != name:
+            reference = DIFF_PROJ_FULL_ISSUE.format(*tokens)
+        else:
+            reference = SAME_PROJ_FULL_ISSUE.format(*tokens)
+        return re.sub(GITHUB_REF_PATTERN, reference, line)
+    else:
+        return line