moved nuke implementation from avalon

openpype/hosts/nuke/api/workio.py

@@ -0,0 +1,55 @@
+"""Host API required Work Files tool"""
+import os
+import nuke
+import avalon.api
+
+
+def file_extensions():
+    return avalon.api.HOST_WORKFILE_EXTENSIONS["nuke"]
+
+
+def has_unsaved_changes():
+    return nuke.root().modified()
+
+
+def save_file(filepath):
+    path = filepath.replace("\\", "/")
+    nuke.scriptSaveAs(path)
+    nuke.Root()["name"].setValue(path)
+    nuke.Root()["project_directory"].setValue(os.path.dirname(path))
+    nuke.Root().setModified(False)
+
+
+def open_file(filepath):
+    filepath = filepath.replace("\\", "/")
+
+    # To remain in the same window, we have to clear the script and read
+    # in the contents of the workfile.
+    nuke.scriptClear()
+    nuke.scriptReadFile(filepath)
+    nuke.Root()["name"].setValue(filepath)
+    nuke.Root()["project_directory"].setValue(os.path.dirname(filepath))
+    nuke.Root().setModified(False)
+    return True
+
+
+def current_file():
+    current_file = nuke.root().name()
+
+    # Unsaved current file
+    if current_file == 'Root':
+        return None
+
+    return os.path.normpath(current_file).replace("\\", "/")
+
+
+def work_root(session):
+
+    work_dir = session["AVALON_WORKDIR"]
+    scene_dir = session.get("AVALON_SCENEDIR")
+    if scene_dir:
+        path = os.path.join(work_dir, scene_dir)
+    else:
+        path = work_dir
+
+    return os.path.normpath(path).replace("\\", "/")