Reopen named files also before saving

specfile/specfile.py

@@ -202,6 +202,12 @@ def _read_lines(cls, file: IO) -> Tuple[List[str], bool]:
             content = raw_content.decode(**cls.ENCODING_ARGS)
         return content.splitlines(), content.endswith("\n")
 
+    def _reopen_named_file(self) -> None:
+        if not self.path:
+            return
+        self._file.close()
+        self._file = self.path.open("r+", **self.ENCODING_ARGS)
+
     @property
     def path(self) -> Optional[Path]:
         """Path to the spec file."""
@@ -263,21 +269,17 @@ def rpm_spec(self) -> rpm.spec:
 
     def reload(self) -> None:
         """Reloads the spec file content."""
-        try:
-            path = Path(cast(FileIO, self._file).name)
-        except AttributeError:
-            pass
-        else:
-            # reopen the path in case the original file has been deleted/replaced
-            self._file.close()
-            self._file = path.open("r+", **self.ENCODING_ARGS)
+        # reopen the path in case the original file has been deleted/replaced
+        self._reopen_named_file()
         self._lines, self._trailing_newline = self._read_lines(self._file)
 
     def save(self) -> None:
         """Saves the spec file content."""
+        content = str(self)
+        # reopen the path in case the original file has been deleted/replaced
+        self._reopen_named_file()
         self._file.seek(0)
         self._file.truncate(0)
-        content = str(self)
         try:
             self._file.write(content)
         except TypeError:

tests/integration/test_specfile.py

@@ -710,3 +710,21 @@ def test_reload(specfile_factory, spec_minimal, spec_traditional, remove_spec):
         after_reload = spec
 
     assert str(before_reload) != str(after_reload)
+
+
+def test_save_after_inode_change(specfile_factory, spec_minimal):
+    spec = specfile_factory(spec_minimal)
+    if spec.path is None:
+        return
+    inode = spec_minimal.stat().st_ino
+    content = spec_minimal.read_bytes()
+    spec_minimal.unlink()
+    spec_minimal.write_bytes(content)
+    assert spec_minimal.stat().st_ino != inode
+    spec.version = "0.2"
+    spec.save()
+    assert all(
+        line.endswith("0.2")
+        for line in spec_minimal.read_text().splitlines()
+        if line.startswith("Version:")
+    )