def test_install_hook_replace_hook_older_version(tmp_path, monkeypatch):
def mock_jupyter_config_dir():
return str(tmp_path)
monkeypatch.setattr(jupyter_config, "jupyter_config_dir",
mock_jupyter_config_dir)
config_path = tmp_path / "jupyter_notebook_config.py"
old_config_text = """\
print('hello world!')
# >>> nbautoexport initialize, version=[0] >>>
old_and_tired()
# <<< nbautoexport initialize <<<
print('good night world!')
"""
with config_path.open("w", encoding="utf-8") as fp:
fp.write(textwrap.dedent(old_config_text))
jupyter_config.install_post_save_hook()
assert config_path.exists()
with config_path.open("r", encoding="utf-8") as fp:
config = fp.read()
assert config == ("print('hello world!')\n\n" +
jupyter_config.post_save_hook_initialize_block +
"\nprint('good night world!')\n")
assert "old_and_tired()" not in config
assert f"version=[{__version__}]" in config
def install(jupyter_config: Optional[Path] = typer.Option(
None,
exists=False,
file_okay=True,
dir_okay=False,
writable=True,
help=
("Path to config file. If not specified (default), will determine appropriate path "
"used by Jupyter. You should only specify this option if you use a nonstandard config "
"file path that you explicitly pass to Jupyter with the --config option at startup."
),
)):
"""Register nbautoexport post-save hook with Jupyter. Note that if you already have a Jupyter
server running, you will need to restart in order for it to take effect. This is a one-time
installation.
This works by adding an initialization block in your Jupyter config file that will register
nbautoexport's post-save function. If an nbautoexport initialization block already exists and
is from an older version of nbautoexport, this command will replace it with an updated version.
"""
install_post_save_hook(config_path=jupyter_config)
typer.echo(
"nbautoexport post-save hook successfully installed with Jupyter.")
typer.echo(
"If a Jupyter server is already running, you will need to restart it for nbautoexport "
"to work.")
def test_configure_no_warning(tmp_path, monkeypatch):
monkeypatch.setenv("JUPYTER_CONFIG_DIR", str(tmp_path))
jupyter_config.install_post_save_hook(tmp_path /
"jupyter_notebook_config.py")
result = CliRunner().invoke(app, ["configure", str(tmp_path)])
assert result.exit_code == 0
assert "Warning:" not in result.output
def test_configure_no_warning(tmp_path, monkeypatch):
monkeypatch.setenv("JUPYTER_CONFIG_DIR", str(tmp_path))
jupyter_config_path = tmp_path / "jupyter_notebook_config.py"
jupyter_config.install_post_save_hook(jupyter_config_path)
# Print to assist with debugging
with jupyter_config_path.open("r") as fp:
print(fp.read())
result = CliRunner().invoke(app, ["configure", str(tmp_path)])
assert result.exit_code == 0
assert "Warning:" not in result.output
def test_install_hook_no_config(tmp_path, monkeypatch):
def mock_jupyter_config_dir():
return str(tmp_path)
monkeypatch.setattr(jupyter_config, "jupyter_config_dir",
mock_jupyter_config_dir)
config_path = tmp_path / "jupyter_notebook_config.py"
assert not config_path.exists()
jupyter_config.install_post_save_hook()
assert config_path.exists()
with config_path.open("r", encoding="utf-8") as fp:
config = fp.read()
assert config == jupyter_config.post_save_hook_initialize_block
def test_install_hook_existing_config_no_hook(tmp_path, monkeypatch):
def mock_jupyter_config_dir():
return str(tmp_path)
monkeypatch.setattr(jupyter_config, "jupyter_config_dir",
mock_jupyter_config_dir)
config_path = tmp_path / "jupyter_notebook_config.py"
with config_path.open("w", encoding="utf-8") as fp:
fp.write("print('hello world!')")
jupyter_config.install_post_save_hook()
assert config_path.exists()
with config_path.open("r", encoding="utf-8") as fp:
config = fp.read()
assert config == ("print('hello world!')" + "\n" +
jupyter_config.post_save_hook_initialize_block)
def test_install_hook_missing_config_dir(tmp_path, monkeypatch):
config_dir = tmp_path / "not_yet_a_real_dir"
def mock_jupyter_config_dir():
return str(config_dir)
monkeypatch.setattr(jupyter_config, "jupyter_config_dir",
mock_jupyter_config_dir)
config_path = config_dir / "jupyter_notebook_config.py"
assert not config_dir.exists()
assert not config_path.exists()
jupyter_config.install_post_save_hook()
assert config_dir.exists()
assert config_path.exists()
with config_path.open("r") as fp:
config = fp.read()
assert config == jupyter_config.post_save_hook_initialize_block