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from __future__ import annotations
from pathlib import Path
from dynaconf import default_settings
from dynaconf.constants import INI_EXTENSIONS
from dynaconf.loaders.base import BaseLoader
from dynaconf.loaders.base import SourceMetadata
from dynaconf.utils import object_merge
try:
from configobj import ConfigObj
except ImportError: # pragma: no cover
ConfigObj = None
def load(
obj,
env=None,
silent=True,
key=None,
filename=None,
validate=False,
identifier="ini",
):
"""
Reads and loads in to "obj" a single key or all keys from source file.
:param obj: the settings instance
:param env: settings current env default='development'
:param silent: if errors should raise
:param key: if defined load a single key, else load all in env
:param filename: Optional custom filename to load
:return: None
"""
if ConfigObj is None: # pragma: no cover
BaseLoader.warn_not_installed(obj, "ini")
return
# when load_file function is called directly it comes with module and line number
if isinstance(identifier, SourceMetadata) and identifier.loader.startswith(
"load_file"
):
identifier = identifier.loader
loader = BaseLoader(
obj=obj,
env=env,
identifier=identifier,
extensions=INI_EXTENSIONS,
file_reader=lambda fileobj: ConfigObj(fileobj).dict(),
string_reader=lambda strobj: ConfigObj(strobj.split("\n")).dict(),
validate=validate,
)
loader.load(
filename=filename,
key=key,
silent=silent,
)
def write(settings_path, settings_data, merge=True):
"""Write data to a settings file.
:param settings_path: the filepath
:param settings_data: a dictionary with data
:param merge: boolean if existing file should be merged with new data
"""
settings_path = Path(settings_path)
if settings_path.exists() and merge: # pragma: no cover
with open(
str(settings_path), encoding=default_settings.ENCODING_FOR_DYNACONF
) as open_file:
object_merge(ConfigObj(open_file).dict(), settings_data)
new = ConfigObj()
new.update(settings_data)
new.write(open(str(settings_path), "bw"))
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