o PartDB: don't die if the directory exist *and* is empty. Ninja creates

  empty parent directories.
o PartDB: escape some path names.
o new comamnd: "ninja". Generates a build.ninja from a sch. Not done!

1 files changed, 4 insertions, 2 deletions

diff --git a/src/ee/part/__init__.py b/src/ee/part/__init__.py
index cf60dd5..d4d99ac 100644
--- a/src/ee/part/__init__.py
+++ b/src/ee/part/__init__.py
@@ -81,7 +81,9 @@ def save_db(dir_path: Path, db: PartDb):
 
         idx_path = dir_path / "index.xml"
         if not idx_path.is_file():
-            raise EeException("The given db directory exists, but does not look like a part db dir")
+            # Ninja creates the parent directories out the output..
+            if len(list(dir_path.iterdir())) > 0:
+                raise EeException("The given db directory exists, but does not look like a part db dir")
 
         for p in dir_path.iterdir():
             if not p.is_file():
@@ -100,7 +102,7 @@ def save_db(dir_path: Path, db: PartDb):
 
     for part in parts:
         id_ = part.id
-        path = dir_path / "{}.xml".format(id_)
+        path = dir_path / "{}.xml".format(id_.replace("/", "_"))
         with path.open("w") as f:
             part.export(outfile=f, level=0, name_=find_root_tag(part))