def get_config(self, **kwargs):
file_name = self.custom_app_config(
dataset_datapath=H5AD_FIXTURE, config_file_name=self.config_file_name, **kwargs
)
config = AppConfig()
config.update_from_config_file(file_name)
return config
def test_get_dataset_config_returns_dataset_config_for_single_datasets(self):
datapath = f"{FIXTURES_ROOT}/1e4dfec4-c0b2-46ad-a04e-ff3ffb3c0a8f.h5ad"
file_name = self.custom_app_config(dataset_datapath=datapath, config_file_name=self.config_file_name)
config = AppConfig()
config.update_from_config_file(file_name)
self.assertEqual(config.get_dataset_config(), config.dataset_config)
def test_aws_secrets_manager(self, mock_get_secret_key):
mock_get_secret_key.return_value = {
"flask_secret_key": "mock_flask_secret_key",
}
configfile = self.custom_external_config(
aws_secrets_manager_region="us-west-2",
aws_secrets_manager_secrets=[
dict(
name="my_secret",
values=[
dict(key="flask_secret_key",
path=["server", "app", "flask_secret_key"],
required=True),
],
)
],
config_file_name="secret_external_config.yaml",
)
app_config = AppConfig()
app_config.update_from_config_file(configfile)
app_config.server_config.single_dataset__datapath = f"{FIXTURES_ROOT}/pbmc3k-CSC-gz.h5ad"
app_config.complete_config()
self.assertEqual(app_config.server_config.app__flask_secret_key,
"mock_flask_secret_key")
def test_configfile_with_specialization(self):
# test that per_dataset_config config load the default config, then the specialized config
with tempfile.TemporaryDirectory() as tempdir:
configfile = os.path.join(tempdir, "config.yaml")
with open(configfile, "w") as fconfig:
config = """
server:
single_dataset:
datapath: fake_datapath
dataset:
user_annotations:
enable: false
type: local_file_csv
local_file_csv:
file: fake_file
directory: fake_dir
"""
fconfig.write(config)
app_config = AppConfig()
app_config.update_from_config_file(configfile)
test_config = app_config.dataset_config
# test config from default
self.assertEqual(test_config.user_annotations__type,
"local_file_csv")
self.assertEqual(
test_config.user_annotations__local_file_csv__file,
"fake_file")
def test_handle_embeddings__checks_data_file_types(self):
file_name = self.custom_app_config(
embedding_names=["name1", "name2"],
enable_reembedding="true",
dataset_datapath=f"{FIXTURES_ROOT}/pbmc3k-CSC-gz.h5ad",
anndata_backed="true",
config_file_name=self.config_file_name,
)
config = AppConfig()
config.update_from_config_file(file_name)
config.server_config.complete_config(self.context)
with self.assertRaises(ConfigurationError):
config.dataset_config.handle_embeddings()
def test_config_for_single_dataset(self):
file_name = self.custom_app_config(
config_file_name="single_dataset.yml",
dataset_datapath=f"{H5AD_FIXTURE}")
config = AppConfig()
config.update_from_config_file(file_name)
config.server_config.handle_single_dataset(self.context)
file_name = self.custom_app_config(
config_file_name="single_dataset_with_about.yml",
about="www.cziscience.com",
dataset_datapath=f"{H5AD_FIXTURE}",
)
config = AppConfig()
config.update_from_config_file(file_name)
with self.assertRaises(ConfigurationError):
config.server_config.handle_single_dataset(self.context)
def test_configfile_no_server_section(self):
# test a config file without a dataset section
with tempfile.TemporaryDirectory() as tempdir:
configfile = os.path.join(tempdir, "config.yaml")
with open(configfile, "w") as fconfig:
config = """
dataset:
user_annotations:
enable: false
"""
fconfig.write(config)
app_config = AppConfig()
app_config.update_from_config_file(configfile)
server_changes = app_config.server_config.changes_from_default()
dataset_changes = app_config.dataset_config.changes_from_default()
self.assertEqual(server_changes, [])
self.assertEqual(dataset_changes, [("user_annotations__enable", False, True)])
def test_handle_data_locator_works_for_default_types(
self, mock_discover_region_name):
mock_discover_region_name.return_value = None
# Default config
self.assertEqual(
self.config.server_config.data_locator__s3__region_name, None)
# hard coded
config = self.get_config()
self.assertEqual(config.server_config.data_locator__s3__region_name,
"us-east-1")
# incorrectly formatted
datapath = "s3://shouldnt/work"
file_name = self.custom_app_config(
dataset_datapath=datapath,
config_file_name=self.config_file_name,
data_locater_region_name="true")
config = AppConfig()
config.update_from_config_file(file_name)
with self.assertRaises(ConfigurationError):
config.server_config.handle_data_locator()
def launch(
datapath,
verbose,
debug,
open_browser,
port,
host,
embedding,
obs_names,
var_names,
max_category_items,
disable_custom_colors,
diffexp_lfc_cutoff,
title,
scripts,
about,
disable_annotations,
annotations_file,
annotations_dir,
backed,
disable_diffexp,
experimental_annotations_ontology,
experimental_annotations_ontology_obo,
experimental_enable_reembedding,
config_file,
dump_default_config,
):
"""Launch the cellxgene data viewer.
This web app lets you explore single-cell expression data.
Data must be in a format that cellxgene expects.
Read the "getting started" guide to learn more:
https://chanzuckerberg.github.io/cellxgene/getting-started.html
Examples:
> cellxgene launch example-dataset/pbmc3k.h5ad --title pbmc3k
> cellxgene launch <your data file> --title <your title>
> cellxgene launch <url>"""
if dump_default_config:
print(default_config)
sys.exit(0)
# Startup message
click.echo("[cellxgene] Starting the CLI...")
# app config
app_config = AppConfig()
server_config = app_config.server_config
try:
if config_file:
app_config.update_from_config_file(config_file)
# Determine which config options were give on the command line.
# Those will override the ones provided in the config file (if provided).
cli_config = AppConfig()
cli_config.update_server_config(
app__verbose=verbose,
app__debug=debug,
app__host=host,
app__port=port,
app__open_browser=open_browser,
single_dataset__datapath=datapath,
single_dataset__title=title,
single_dataset__about=about,
single_dataset__obs_names=obs_names,
single_dataset__var_names=var_names,
adaptor__anndata_adaptor__backed=backed,
)
cli_config.update_dataset_config(
app__scripts=scripts,
user_annotations__enable=not disable_annotations,
user_annotations__local_file_csv__file=annotations_file,
user_annotations__local_file_csv__directory=annotations_dir,
user_annotations__ontology__enable=
experimental_annotations_ontology,
user_annotations__ontology__obo_location=
experimental_annotations_ontology_obo,
presentation__max_categories=max_category_items,
presentation__custom_colors=not disable_custom_colors,
embeddings__names=embedding,
embeddings__enable_reembedding=experimental_enable_reembedding,
diffexp__enable=not disable_diffexp,
diffexp__lfc_cutoff=diffexp_lfc_cutoff,
)
diff = cli_config.server_config.changes_from_default()
changes = {key: val for key, val, _ in diff}
app_config.update_server_config(**changes)
diff = cli_config.dataset_config.changes_from_default()
changes = {key: val for key, val, _ in diff}
app_config.update_dataset_config(**changes)
# process the configuration
# any errors will be thrown as an exception.
# any info messages will be passed to the messagefn function.
def messagefn(message):
click.echo("[cellxgene] " + message)
# Use a default secret if one is not provided
if not server_config.app__flask_secret_key:
app_config.update_server_config(
app__flask_secret_key="SparkleAndShine")
app_config.complete_config(messagefn)
except (ConfigurationError, DatasetAccessError) as e:
raise click.ClickException(e)
handle_scripts(scripts)
# create the server
server = CliLaunchServer(app_config)
if not server_config.app__verbose:
log = logging.getLogger("werkzeug")
log.setLevel(logging.ERROR)
cellxgene_url = f"http://{app_config.server_config.app__host}:{app_config.server_config.app__port}"
if server_config.app__open_browser:
click.echo(
f"[cellxgene] Launching! Opening your browser to {cellxgene_url} now."
)
webbrowser.open(cellxgene_url)
else:
click.echo(
f"[cellxgene] Launching! Please go to {cellxgene_url} in your browser."
)
click.echo("[cellxgene] Type CTRL-C at any time to exit.")
if not server_config.app__verbose:
f = open(os.devnull, "w")
sys.stdout = f
try:
server.app.run(
host=server_config.app__host,
debug=server_config.app__debug,
port=server_config.app__port,
threaded=not server_config.app__debug,
use_debugger=False,
use_reloader=False,
)
except OSError as e:
if e.errno == errno.EADDRINUSE:
raise click.ClickException(
"Port is in use, please specify an open port using the --port flag."
) from e
raise
