def start_server() -> None:
data_path = Path(__file__).parent.absolute()
config = configparser.ConfigParser()
config.read(data_path / 'config.txt')
config = config['default']
if 'add_path' in config:
for i, p in enumerate(config['add_path'].split(':')):
sys.path.insert(i, p)
if config['backend'] == 'voila':
voila = Voila()
mp.set_start_method('spawn')
gui_p = mp.Process(target=start_gui,
args=(config['name'], voila.display_url))
gui_p.start()
voila_args = [str(data_path / config['notebook_path'])
] + ([config['backend_args']] or [])
voila_p = mp.Process(target=voila.launch_instance, args=(voila_args, ))
voila_p.start()
gui_p.join()
voila_p.terminate()
voila_p.join()
def main(filename, layout='default'):
"""
Start a JDAViz application instance with data loaded from FILENAME.\f
Parameters
----------
filename : str
The path to the file to be loaded into the JDAViz application.
layout : str, optional
Optional specification for which configuration to use on startup.
"""
filename = os.path.abspath(filename)
with open(os.path.join(CONFIGS_DIR, layout, layout + '.ipynb')) as f:
notebook_template = f.read()
start_dir = os.path.abspath('.')
nbdir = tempfile.mkdtemp()
with open(os.path.join(nbdir, 'notebook.ipynb'), 'w') as nbf:
nbf.write(
notebook_template.replace('CONFIG_NAME',
layout).replace('DATA_FILENAME',
filename).strip())
os.chdir(nbdir)
try:
Voila.notebook_path = 'notebook.ipynb'
VoilaConfiguration.template = 'jdaviz-default'
VoilaConfiguration.enable_nbextensions = True
sys.exit(Voila().launch_instance(argv=[]))
finally:
os.chdir(start_dir)
def main(filename, layout='default', browser='default', theme='light', verbosity='info',
hotreload=False):
"""
Start a Jdaviz application instance with data loaded from FILENAME.
Parameters
----------
filename : str
The path to the file to be loaded into the Jdaviz application.
layout : str, optional
Optional specification for which configuration to use on startup.
browser : str, optional
Path to browser executable.
theme : {'light', 'dark'}
Theme to use for Voila app or Jupyter Lab.
verbosity : {'debug', 'info', 'warning', 'error'}
Verbosity of the application.
hotreload: bool
Whether to enable hot-reloading of the UI (for development)
"""
# Tornado Webserver py3.8 compatibility hotfix for windows
if sys.platform == 'win32':
import asyncio
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
# Support comma-separate file list
filepath = ','.join([str(pathlib.Path(f).absolute()).replace('\\', '/')
for f in filename.split(',')])
with open(os.path.join(CONFIGS_DIR, layout, layout + '.ipynb')) as f:
notebook_template = f.read()
start_dir = os.path.abspath('.')
# Keep track of start directory in environment variable so that it can be
# easily accessed e.g. in the file load dialog.
os.environ['JDAVIZ_START_DIR'] = start_dir
nbdir = tempfile.mkdtemp()
if hotreload:
notebook_template = notebook_template.replace("# PREFIX", "from jdaviz import enable_hot_reloading; enable_hot_reloading()") # noqa: E501
with open(os.path.join(nbdir, 'notebook.ipynb'), 'w') as nbf:
nbf.write(notebook_template.replace('DATA_FILENAME', filepath).replace('JDAVIZ_VERBOSITY', verbosity).strip()) # noqa: E501
os.chdir(nbdir)
try:
logging.getLogger('tornado.access').disabled = True
Voila.notebook_path = 'notebook.ipynb'
VoilaConfiguration.template = 'jdaviz-default'
VoilaConfiguration.enable_nbextensions = True
VoilaConfiguration.file_whitelist = ['.*']
VoilaConfiguration.theme = theme
if browser != 'default':
Voila.browser = browser
sys.exit(Voila().launch_instance(argv=[]))
finally:
os.chdir(start_dir)
def launch_voila(notebook_path, port=8866, base_url='/', server_url='/'):
print('serving {path}'.format(path=notebook_path))
from voila.app import Voila
v = Voila()
v.initialize([
notebook_path, '--port', port, '--base_url', base_url, '--server_url',
server_url, '--no-browser'
])
v.base_url = base_url
v.server_url = server_url
v.tornado_settings = {
'headers': {
'Content-Security-Policy': "frame-ancestors 'self' localhost:*"
}
}
v.start()
def main(filename, layout='default'):
"""
Start a JDAViz application instance with data loaded from FILENAME.\f
Parameters
----------
filename : str
The path to the file to be loaded into the JDAViz application.
layout : str, optional
Optional specification for which configuration to use on startup.
"""
# Tornado Webserver py3.8 compatibility hotfix for windows
if sys.platform == 'win32':
import asyncio
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
filepath = pathlib.Path(filename).absolute()
with open(os.path.join(CONFIGS_DIR, layout, layout + '.ipynb')) as f:
notebook_template = f.read()
start_dir = os.path.abspath('.')
nbdir = tempfile.mkdtemp()
with open(os.path.join(nbdir, 'notebook.ipynb'), 'w') as nbf:
nbf.write(
notebook_template.replace('DATA_FILENAME',
str(filepath).replace('\\',
'/')).strip())
os.chdir(nbdir)
try:
Voila.notebook_path = 'notebook.ipynb'
VoilaConfiguration.template = 'jdaviz-default'
VoilaConfiguration.enable_nbextensions = True
sys.exit(Voila().launch_instance(argv=[]))
finally:
os.chdir(start_dir)
def main(filename, layout):
filename = os.path.abspath(filename)
with open(os.path.join(CONFIGS_DIR, layout, layout + '.ipynb')) as f:
notebook_template = f.read()
start_dir = os.path.abspath('.')
nbdir = tempfile.mkdtemp()
with open(os.path.join(nbdir, 'notebook.ipynb'), 'w') as nbf:
nbf.write(
notebook_template.replace('CONFIG_NAME',
layout).replace('DATA_FILENAME',
filename).strip())
os.chdir(nbdir)
try:
Voila.notebook_path = 'notebook.ipynb'
VoilaConfiguration.template = 'jdaviz-default'
sys.exit(Voila().launch_instance())
finally:
os.chdir(start_dir)
from voila.app import Voila
if __name__ == "__main__":
v = Voila.launch_instance(
["Explainer App.ipynb", "--template=vuetify-default", "--no-browser"]
)