Separate black flags (#253)

* Separate black flags

* Run black

doc/source/conf.py

@@ -235,8 +235,12 @@ def _copy_examples_and_convert_to_notebooks(source_dir, output_dir):
             file_output_path = root_output_path / Path(file)
             shutil.copy(file_source_path, file_output_path)  # Copy everything
             if file_source_path.suffix == ".py":  # Also convert python scripts to jupyter notebooks
-                ntbk = jupytext.read(file_source_path)
-                jupytext.write(ntbk, file_output_path.with_suffix(".ipynb"))
+                notebook = jupytext.read(file_source_path)
+
+                # Filter out cells to remove
+                notebook.cells = [c for c in notebook.cells if "remove_cell" not in c.metadata.get("tags", [])]
+
+                jupytext.write(notebook, file_output_path.with_suffix(".ipynb"))
 
 
 # If we already have a source/examples directory then don't do anything.

examples/0_Getting_started.py

@@ -92,12 +92,20 @@
 # Fluent interfaces are designed to allow a complex object to be constructed in a single line of code. As such, you can
 # consolidate the cells above into a single step:
 
+# + tags=["remove_cell"]
+# Turn off black formatting
 # fmt: off
+# -
+
 # + tags=[]
 query = queries.MaterialImpactedSubstancesQuery().with_material_ids(["plastic-abs-high-impact"]).with_legislations(["REACH - The Candidate List"])  # noqa: E501
 query
 # -
+
+# + tags=["remove_cell"]
+# Turn on black formatting
 # fmt: on
+# -
 
 # Because the fluent interface can produce very long lines of code, it's necessary to break your query creation code
 # into multiple lines. The following multi-line format is used throughout the examples. It is functionally equivalent to