zhangyiss/the-littlest-jupyterhub
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add load_config top-level function to configurer

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for easy loading of the full config
This commit is contained in:
Min RK
2018-07-21 00:18:58 -07:00
parent e2d46a2562
commit 2cb7d10ac7
1 changed files with 20 additions and 0 deletions
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20
tljh/configurer.py
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@@ -7,6 +7,13 @@ be called many times per lifetime of a jupyterhub.
Traitlets that modify the startup of JupyterHub should not be here. Traitlets that modify the startup of JupyterHub should not be here.
FIXME: A strong feeling that JSON Schema should be involved somehow. FIXME: A strong feeling that JSON Schema should be involved somehow.
""" """
import os
import yaml
INSTALL_PREFIX = os.environ.get('TLJH_INSTALL_PREFIX', '/opt/tljh')
CONFIG_FILE = os.path.join(INSTALL_PREFIX, 'config.yaml')
# Default configuration for tljh # Default configuration for tljh
# User provided config is merged into this # User provided config is merged into this
default = { default = {
@@ -32,6 +39,19 @@ default = {
} }
def load_config(config_file=CONFIG_FILE):
"""Load the current config as a dictionary
merges overrides from config.yaml with default config
"""
if os.path.exists(config_file):
with open(config_file) as f:
config_overrides = yaml.safe_load(f)
else:
config_overrides = {}
return _merge_dictionaries(dict(default), config_overrides)
def apply_config(config_overrides, c): def apply_config(config_overrides, c):
""" """
Merge config_overrides with config defaults & apply to JupyterHub config c Merge config_overrides with config defaults & apply to JupyterHub config c