1 files changed, 12 insertions, 0 deletions
diff --git a/sphinx/util/build_phase.py b/sphinx/util/build_phase.py
new file mode 100644
index 0000000..7f80aa5
--- /dev/null
+++ b/sphinx/util/build_phase.py
@@ -0,0 +1,12 @@
+"""Build phase of Sphinx application."""
+
+from enum import IntEnum
+
+
+class BuildPhase(IntEnum):
+    """Build phase of Sphinx application."""
+    INITIALIZATION = 1
+    READING = 2
+    CONSISTENCY_CHECK = 3
+    RESOLVING = 3
+    WRITING = 4