🐛 FIX: Redirect of filenames containing dots (#45)

sphinxext/rediraffe.py

@@ -121,6 +121,14 @@ def create_simple_redirects(graph_edges: dict) -> dict:
     return redirects
 
 
+def remove_suffix(docname: str, suffixes: List[str]) -> str:
+    """Remove any known suffixes for a file path."""
+    for suffix in suffixes:
+        if docname.endswith(suffix):
+            return docname[: -len(suffix)]
+    return docname
+
+
 def build_redirects(app: Sphinx, exception: Union[Exception, None]) -> None:
     """
     Build amd write redirects
@@ -206,18 +214,22 @@ def build_redirects(app: Sphinx, exception: Union[Exception, None]) -> None:
         src_redirect_from = Path(PureWindowsPath(src_redirect_from))
         src_redirect_to = Path(PureWindowsPath(src_redirect_to))
 
-        # relative paths from source dir (without ext)
-        redirect_from = src_redirect_from.with_suffix("")
-        redirect_to = src_redirect_to.with_suffix("")
+        # remove extensions
+        redirect_from_name = remove_suffix(
+            src_redirect_from.name, app.config.source_suffix
+        )
+        redirect_to_name = remove_suffix(src_redirect_to.name, app.config.source_suffix)
+
+        redirect_from = src_redirect_from.parent / f"{redirect_from_name}.html"
+        redirect_to = src_redirect_to.parent / f"{redirect_to_name}.html"
 
         if type(app.builder) == DirectoryHTMLBuilder:
-            if redirect_from.name != "index":
-                redirect_from = redirect_from / "index"
-            if redirect_to.name != "index":
-                redirect_to = redirect_to / "index"
-
-        redirect_from = redirect_from.with_suffix(".html")
-        redirect_to = redirect_to.with_suffix(".html")
+            if redirect_from_name != "index":
+                redirect_from = (
+                    src_redirect_from.parent / redirect_from_name / "index.html"
+                )
+            if redirect_to_name != "index":
+                redirect_to = src_redirect_to.parent / redirect_to_name / "index.html"
 
         # absolute paths into the build dir
         build_redirect_from = Path(app.outdir) / redirect_from

tests/roots/ext/test-dot_in_filename/conf.py

@@ -0,0 +1,8 @@
+extensions = ["sphinxext.rediraffe"]
+
+master_doc = "index"
+exclude_patterns = ["_build"]
+
+html_theme = "basic"
+
+rediraffe_redirects = "redirects.txt"

tests/roots/ext/test-dot_in_filename/docs/a.b.c.rst

@@ -0,0 +1 @@
+f1

tests/roots/ext/test-dot_in_filename/index.rst

@@ -0,0 +1 @@
+Index File

tests/roots/ext/test-dot_in_filename/redirects.txt

@@ -0,0 +1 @@
+docs/x.y.z.rst   docs/a.b.c.rst

tests/test_ext.py

@@ -74,6 +74,12 @@ def test_backslashes(self, app: Sphinx, ensure_redirect):
         ensure_redirect("docs/folder2/toindex.html", "index.html")
         ensure_redirect("totoindex.html", "index.html")
 
+    @pytest.mark.sphinx("html", testroot="dot_in_filename")
+    def test_dot_in_filename(self, app: Sphinx, ensure_redirect):
+        app.build()
+        assert app.statuscode == 0
+        ensure_redirect("docs/x.y.z.html", "docs/a.b.c.html")
+
     @pytest.mark.sphinx("html", testroot="mixed_slashes")
     def test_mixed_slashes(self, app: Sphinx, ensure_redirect):
         app.build()
@@ -326,6 +332,12 @@ def test_backslashes(self, app: Sphinx, ensure_redirect):
         ensure_redirect("docs/folder2/toindex/index.html", "index.html")
         ensure_redirect("totoindex/index.html", "index.html")
 
+    @pytest.mark.sphinx("dirhtml", testroot="dot_in_filename")
+    def test_dot_in_filename(self, app: Sphinx, ensure_redirect):
+        app.build()
+        assert app.statuscode == 0
+        ensure_redirect("docs/x.y.z/index.html", "docs/a.b.c/index.html")
+
     @pytest.mark.sphinx("dirhtml", testroot="mixed_slashes")
     def test_mixed_slashes(self, app: Sphinx, ensure_redirect):
         app.build()