def test_prefix():
settings = LazySettings(filter_strategy=PrefixFilter("prefix"))
_yaml = """
prefix_a: a,b
prefix_colors__white__code: "#FFFFFF"
COLORS__white__name: "white"
"""
load(settings, filename=_yaml)
assert settings.a == "a,b"
assert settings.COLORS.white.code == "#FFFFFF"
with pytest.raises(AttributeError):
settings.COLORS.white.name
def test_prefix():
settings = LazySettings(filter_strategy=PrefixFilter("prefix"))
_json = """
{
"prefix_colors__yellow__code": "#FFCC00",
"COLORS__yellow__name": "Yellow"
}
"""
load(settings, filename=_json)
assert settings.COLORS.yellow.code == "#FFCC00"
with pytest.raises(AttributeError):
settings.COLORS.yellow.name
def test_prefix():
settings = LazySettings(filter_strategy=PrefixFilter("prefix"))
ini = """
prefix_a = "a,b"
prefix_colors__white__code = '#FFFFFF'
COLORS__white__name = 'white'
"""
load(settings, filename=ini)
assert settings.a == "a,b"
assert settings.COLORS.white.code == "#FFFFFF"
with pytest.raises(AttributeError):
settings.COLORS.white.name
def test_from_env_method_with_prefix(clean_env, tmpdir):
data = {
"default": {
"prefix_a_default": "From default env"
},
"development": {
"prefix_value": "From development env",
"prefix_only_in_development": True,
},
"other": {
"prefix_value": "From other env",
"prefix_only_in_other": True,
"not_prefixed": "no prefix",
},
}
toml_path = str(tmpdir.join("base_settings.toml"))
toml_loader.write(toml_path, data, merge=False)
settings = LazySettings(
settings_file=toml_path,
environments=True,
filter_strategy=PrefixFilter("prefix"),
)
settings.set("ARBITRARY_KEY", "arbitrary value")
assert settings.VALUE == "From development env"
assert settings.A_DEFAULT == "From default env"
assert settings.ONLY_IN_DEVELOPMENT is True
assert settings.ARBITRARY_KEY == "arbitrary value"
assert settings.get("ONLY_IN_OTHER") is None
# clone the settings object pointing to a new env
other_settings = settings.from_env("other")
assert other_settings.VALUE == "From other env"
assert other_settings.A_DEFAULT == "From default env"
assert other_settings.ONLY_IN_OTHER is True
assert other_settings.get("ARBITRARY_KEY") is None
assert other_settings.get("ONLY_IN_DEVELOPMENT") is None
with pytest.raises(AttributeError):
other_settings.not_prefixed
with pytest.raises(AttributeError):
# values set programatically are not cloned
other_settings.ARBITRARY_KEY
with pytest.raises(AttributeError):
# values set only in a specific env not cloned
other_settings.ONLY_IN_DEVELOPMENT
# assert it is cached not created twice
assert other_settings is settings.from_env("other")
def test_envless_mode_with_prefix(tmpdir):
data = {
"prefix_foo": "bar",
"hello": "world",
"prefix_default": 1,
"prefix_databases": {"default": {"port": 8080}},
}
toml_loader.write(str(tmpdir.join("settings.toml")), data)
settings = LazySettings(
settings_file="settings.toml", filter_strategy=PrefixFilter("prefix")
) # already the default
assert settings.FOO == "bar"
with pytest.raises(AttributeError):
settings.HELLO
assert settings.DEFAULT == 1
assert settings.DATABASES.default.port == 8080
def test_prefix_is_not_str_raises():
with pytest.raises(TypeError):
toml_loader.load(LazySettings(filter_strategy=PrefixFilter(int)))
with pytest.raises(TypeError):
toml_loader.load(LazySettings(filter_strategy=PrefixFilter(True)))
"HOST": "prod_server.com from toml",
"PORT": 5000,
"USERNAME": "******",
"PASSWORD": "******",
"LEVELS": ["debug", "info", "warning"],
"MONEY": 500.5,
"AGE": 42,
"ENABLED": True,
"WORKS": "toml_example in prod env",
"CUSTOM": "this is custom from [production]",
"TEST_LOADERS": {
"dev": "test_dev",
"prod": "test_prod"
},
}
for key, value in assertions.items():
found = settings.from_env("production").get(key)
assert found == getattr(settings.from_env("production"), key)
assert found == value, f"expected: {key}: [{value}] found: [{found}]"
settings_with_prefix = Dynaconf(
settings_files=["settings.toml"],
filter_strategy=PrefixFilter("prefix"),
environments=True,
)
with settings_with_prefix.using_env("default"):
assert settings_with_prefix.CUSTOM == "this is custom when we set a prefix"
assert (settings_with_prefix.from_env("production").CUSTOM ==
"this is custom when we set a prefix")