Support controlling config value inheritance from the base folder

This commit is contained in:
allegroai 2024-03-18 15:53:58 +02:00
parent 8d237b3cae
commit 7d649f1964

View File

@ -6,7 +6,7 @@ from functools import reduce
from os import getenv
from os.path import expandvars
from pathlib import Path
from typing import List, Any, TypeVar, Sequence
from typing import List, Any, TypeVar, Sequence, Set
from boltons.iterutils import first
from pyhocon import ConfigTree, ConfigFactory, ConfigValues
@ -35,6 +35,7 @@ class BasicConfig:
folder: str = None,
verbose: bool = True,
prefix: Sequence[str] = DEFAULT_PREFIXES,
exclude_files_from_base_folder: Sequence[str] = None,
):
folder = (
Path(folder)
@ -44,6 +45,11 @@ class BasicConfig:
if not folder.is_dir():
raise ValueError("Invalid configuration folder")
self.exclude_files_from_base_folder = (
set(exclude_files_from_base_folder)
if exclude_files_from_base_folder
else set()
)
self.verbose = verbose
self.extra_config_path_override_var = [
@ -85,7 +91,7 @@ class BasicConfig:
return logging.getLogger(path)
def _read_extra_env_config_values(self) -> ConfigTree:
""" Loads extra configuration from environment-injected values """
"""Loads extra configuration from environment-injected values"""
result = ConfigTree()
for prefix in self.extra_config_values_env_key_prefix:
@ -125,12 +131,18 @@ class BasicConfig:
def _reload(self) -> ConfigTree:
extra_config_values = self._read_extra_env_config_values()
configs = [self._read_recursive(path) for path in self._paths]
configs = [
self._read_recursive(
path,
exclude_files=(
self.exclude_files_from_base_folder if idx == 0 else None
),
)
for idx, path in enumerate(self._paths)
]
return reduce(
lambda last, config: self._merge_configs(
last, config, copy_trees=True
),
lambda last, config: self._merge_configs(last, config, copy_trees=True),
configs + [extra_config_values],
ConfigTree(),
)
@ -141,9 +153,14 @@ class BasicConfig:
for key, value in b.items():
override = key.startswith(override_prefix)
if override:
key = key[len(override_prefix):]
key = key[len(override_prefix) :]
# if key is in both a and b and both values are dictionary then merge it otherwise override it
if not override and key in a and isinstance(a[key], ConfigTree) and isinstance(b[key], ConfigTree):
if (
not override
and key in a
and isinstance(a[key], ConfigTree)
and isinstance(b[key], ConfigTree)
):
if copy_trees:
a[key] = a[key].copy()
cls._merge_configs(a[key], b[key], copy_trees=copy_trees)
@ -156,13 +173,15 @@ class BasicConfig:
a[key] = value
if a.root:
if b.root:
a.history[key] = a.history.get(key, []) + b.history.get(key, [value])
a.history[key] = a.history.get(key, []) + b.history.get(
key, [value]
)
else:
a.history[key] = a.history.get(key, []) + [value]
return a
def _read_recursive(self, conf_root) -> ConfigTree:
def _read_recursive(self, conf_root, exclude_files: Set[str]) -> ConfigTree:
conf = ConfigTree()
if not conf_root:
@ -180,6 +199,8 @@ class BasicConfig:
print(f"Loading config from {conf_root}")
for file in conf_root.rglob("*.conf"):
if exclude_files and file.name in exclude_files:
continue
key = ".".join(file.relative_to(conf_root).with_suffix("").parts)
conf.put(key, self._read_single_file(file))