def execute_and_clear(notebook_file_name, source_dir):
nb = nbformat.read(notebook_file_name, nbformat.NO_CONVERT)
replacements = []
for cell in nb["cells"]:
if isinstance(cell, MutableMapping):
if cell["cell_type"] == "code" and "# Setup" not in cell["source"]:
continue
if "metadata" in cell and "pycharm" in cell["metadata"]:
del cell["metadata"]["pycharm"]
replacements.append(cell)
nb["cells"] = replacements
executed = pre.execute.executenb(nb, cwd=source_dir)
cop = pre.ClearOutputPreprocessor()
nb, _ = cop.preprocess(executed, {})
return nb
def execute_and_clear(notebook_file_name, source_dir):
nb = nbformat.read(notebook_file_name, nbformat.NO_CONVERT)
replacements = []
for cell in nb["cells"]:
code_cell = cell.get("cell_type", None) == "code"
source = cell.get("source", "")
if code_cell and ("# Setup" not in source
or "### Explanation" in source):
continue
if "metadata" in cell and "pycharm" in cell["metadata"]:
del cell["metadata"]["pycharm"]
replacements.append(cell)
nb["cells"] = replacements
executed = pre.execute.executenb(nb, cwd=source_dir)
cop = pre.ClearOutputPreprocessor()
nb, _ = cop.preprocess(executed, {})
return nb
spyder_dir = os.path.join("..", "course", term, "spyder")
ep = ExecutePreprocessor(timeout=600, kernel_name="python3")
nb_hash = "" if nb_file not in hashes else hashes[nb_file]
cell_source = ""
for cell in nb["cells"]:
source = "" if "source" not in cell else cell["source"]
cell_source += source.strip()
current = sha512(cell_source.encode("utf-8")).hexdigest()
nb_changed = current != nb_hash
if nb_changed:
ep.preprocess(nb, {"metadata": {"path": source_dir}})
print(f"Writing executed version of {nb_file}")
nbformat.write(nb, nb_file, nbformat.NO_CONVERT)
hashes[nb_file] = current
cop = pre.ClearOutputPreprocessor()
nb, _ = cop.preprocess(nb, {})
retain = []
for cell in nb["cells"]:
cell_type = cell.get("cell_type", None)
source = cell.get("source", "")
if cell_type == "markdown" and "#### Explanation" in source:
continue
if cell_type == "code" and "# Setup" not in cell["source"]:
cell["source"] = ""
if "metadata" in cell and "pycharm" in cell["metadata"]:
del cell["metadata"]["pycharm"]
retain.append(cell)
# Filter repeated empty cells
keep = []
for i, cell in enumerate(reversed(retain)):