Ignore warnings in injected toctree (#7)

* Ignore warnings in injected toctree

* Update delta.py

* Update delta.py

* Update delta.py

* Update delta.py

sphinxext/delta.py

@@ -1,8 +1,35 @@
 import os
+from functools import wraps
 from typing import Any, Dict
 
+from docutils import nodes
+from sphinx import addnodes
 from sphinx.application import Sphinx
 from sphinx.application import logger
+from sphinx.directives.other import TocTree
+
+
+def NoWarnings(func):
+    @wraps(func)
+    def wrapped(self, *args, **kwargs):
+        stream = self.state.document.reporter.stream
+        self.state.document.reporter.stream = None
+        ret = func(self, *args, **kwargs)
+        self.state.document.reporter.stream = stream
+        ret = list(filter(lambda node: not isinstance(node, nodes.system_message), ret))
+        return ret
+
+    return wrapped
+
+
+class NoWarningsToctree(TocTree):
+    @NoWarnings
+    def run(self):
+        return super().run()
+
+    @NoWarnings
+    def parse_content(self, toctree: addnodes.toctree):
+        return super().parse_content(toctree)
 
 
 def on_rtd() -> bool:
@@ -22,40 +49,46 @@ def inject_changed_files(html_context: Dict[str, str], app: Sphinx) -> None:
     res = requests.get(
         f"https://api.github.com/repos/{html_context['github_user']}/{html_context['github_repo']}/pulls/{html_context['current_version']}/files"
     )
+
     if res.status_code != requests.codes.ok:
         return
 
     changes_rst = "".join(
         [
-            ".. toctree::\n",
+            "\n",
+            ".. nowarningstoctree::\n",
             "   :maxdepth: 1\n",
             "   :caption: PR CHANGED FILES\n",
             "\n",
         ]
     )
 
+    if app.config.delta_inject_location is None:
+        inject_location = "index.rst"
+    else:
+        inject_location = app.config.delta_inject_location
+
     for file_context in res.json():
         status: str = file_context["status"]
         filename: str = file_context["filename"]
 
         if app.config.delta_doc_path is None:
             logger.error("Required option delta_doc_path is not set!")
-        if status == "deleted":
+        if status == "removed":
             continue
         if not filename.startswith(app.config.delta_doc_path):
             continue
         if not filename.endswith(".rst"):
             continue
 
-        changes_rst += f"   {os.path.relpath(filename, app.config.delta_doc_path)}\n"
+        rel_path = os.path.relpath(filename, app.config.delta_doc_path)
+        if rel_path == inject_location:
+            continue
+        changes_rst += f"   {rel_path}\n"
 
     changes_rst += "\n\n.. todolist::\n"
 
-    if app.config.delta_inject_location is None:
-        inject_location = "index.rst"
-    else:
-        inject_location = app.config.delta_inject_location
-
+    inject_location = os.path.join(app.srcdir, inject_location)
     with open(inject_location, "a") as f:
         f.write(changes_rst)
 
@@ -69,6 +102,7 @@ def setup(app: Sphinx) -> Dict[str, Any]:
     app.connect("config-inited", config_inited)
     app.add_config_value("delta_doc_path", None, str)
     app.add_config_value("delta_inject_location", None, str)
+    app.add_directive("nowarningstoctree", NoWarningsToctree)
 
     return {
         "parallel_read_safe": True,