"""
Provide the project API.
Projects are how people use Betty. A project is a workspace, starting out with the user's configuration,
and combining it with the resulting ancestry, allowing the user to perform tasks, such as generating a
site from the entire project.
"""
from __future__ import annotations
from contextlib import suppress
from reprlib import recursive_repr
from typing import Any, Generic, final, Iterable, cast, Self, TYPE_CHECKING, TypeVar
from urllib.parse import urlparse
from typing_extensions import override
from betty.app.extension import Extension, ConfigurableExtension
from betty.classtools import repr_instance
from betty.config import (
Configuration,
Configurable,
FileBasedConfiguration,
ConfigurationMapping,
ConfigurationSequence,
)
from betty.hashid import hashid
from betty.locale import Str, DEFAULT_LOCALE
from betty.model import Entity, get_entity_type_name, UserFacingEntity
from betty.model.ancestry import Ancestry, Person, Event, Place, Source
from betty.serde.dump import (
Dump,
VoidableDump,
void_none,
minimize,
Void,
VoidableDictDump,
)
from betty.serde.load import (
AssertionFailed,
Assertion,
RequiredField,
OptionalField,
assert_record,
assert_entity_type,
assert_setattr,
assert_str,
assert_extension_type,
assert_bool,
assert_dict,
assert_locale,
assert_int,
assert_positive_number,
assert_fields,
)
if TYPE_CHECKING:
from pathlib import Path
_EntityT = TypeVar("_EntityT", bound=Entity)
#: The default age by which people are presumed dead.
DEFAULT_LIFETIME_THRESHOLD = 125
[docs]
class EntityReference(Configuration, Generic[_EntityT]):
"""
Configuration that references an entity from the project's ancestry.
"""
[docs]
def __init__(
self,
entity_type: type[_EntityT] | None = None,
entity_id: str | None = None,
*,
entity_type_is_constrained: bool = False,
):
super().__init__()
self._entity_type = entity_type
self._entity_id = entity_id
self._entity_type_is_constrained = entity_type_is_constrained
@property
def entity_type(self) -> type[_EntityT] | None:
"""
The referenced entity's type.
"""
return self._entity_type
@entity_type.setter
def entity_type(self, entity_type: type[_EntityT]) -> None:
if self._entity_type_is_constrained:
raise AttributeError(
f"The entity type cannot be set, as it is already constrained to {self._entity_type}."
)
self._entity_type = entity_type
self._dispatch_change()
@property
def entity_id(self) -> str | None:
"""
The referenced entity's ID.
"""
return self._entity_id
@entity_id.setter
def entity_id(self, entity_id: str) -> None:
self._entity_id = entity_id
self._dispatch_change()
@entity_id.deleter
def entity_id(self) -> None:
self._entity_id = None
@property
def entity_type_is_constrained(self) -> bool:
"""
Whether the entity type may be changed.
"""
return self._entity_type_is_constrained
[docs]
@override
def update(self, other: Self) -> None:
self._entity_type = other._entity_type
self._entity_type_is_constrained = other._entity_type_is_constrained
self._entity_id = other._entity_id
self._dispatch_change()
[docs]
@override
def load(
self,
dump: Dump,
) -> None:
if isinstance(dump, dict) or not self.entity_type_is_constrained:
assert_record(
RequiredField(
"entity_type",
assert_entity_type() | assert_setattr(self, "entity_type"),
),
OptionalField(
"entity_id",
assert_str() | assert_setattr(self, "entity_id"),
),
)(dump)
else:
assert_str()(dump)
assert_setattr(self, "entity_id")(dump)
[docs]
@override
def dump(self) -> VoidableDump:
if self.entity_type_is_constrained:
return void_none(self.entity_id)
if self.entity_type is None or self.entity_id is None:
return Void
dump: VoidableDictDump[VoidableDump] = {
"entity_type": (
get_entity_type_name(self._entity_type) if self._entity_type else Void
),
"entity_id": self._entity_id,
}
return minimize(dump)
@override
def __eq__(self, other: Any) -> bool:
if not isinstance(other, EntityReference):
return NotImplemented
return (
self.entity_type == other.entity_type and self.entity_id == other.entity_id
)
[docs]
class EntityReferenceSequence(
Generic[_EntityT], ConfigurationSequence[EntityReference[_EntityT]]
):
"""
Configuration for a sequence of references to entities from the project's ancestry.
"""
[docs]
def __init__(
self,
entity_references: Iterable[EntityReference[_EntityT]] | None = None,
*,
entity_type_constraint: type[_EntityT] | None = None,
):
self._entity_type_constraint = entity_type_constraint
super().__init__(entity_references)
[docs]
@override
def load_item(self, dump: Dump) -> EntityReference[_EntityT]:
configuration = EntityReference[_EntityT](
# Use a dummy entity type for now to satisfy the initializer.
# It will be overridden when loading the dump.
Entity # type: ignore[arg-type]
if self._entity_type_constraint is None
else self._entity_type_constraint,
entity_type_is_constrained=self._entity_type_constraint is not None,
)
configuration.load(dump)
return configuration
@override
def _on_add(self, configuration: EntityReference[_EntityT]) -> None:
super()._on_add(configuration)
entity_type_constraint = self._entity_type_constraint
entity_reference_entity_type = configuration._entity_type
if entity_type_constraint is None:
configuration._entity_type_is_constrained = False
return
configuration._entity_type_is_constrained = True
if (
entity_reference_entity_type == entity_type_constraint
and configuration.entity_type_is_constrained
):
return
expected_entity_type_name = get_entity_type_name(
cast(type[Entity], entity_type_constraint),
)
expected_entity_type_label = entity_type_constraint.entity_type_label()
if entity_reference_entity_type is None:
raise AssertionFailed(
Str._(
"The entity reference must be for an entity of type {expected_entity_type_name} ({expected_entity_type_label}), but instead does not specify an entity type at all.",
expected_entity_type_name=expected_entity_type_name,
expected_entity_type_label=expected_entity_type_label,
)
)
actual_entity_type_label = entity_type_constraint.entity_type_label()
raise AssertionFailed(
Str._(
"The entity reference must be for an entity of type {expected_entity_type_name} ({expected_entity_type_label}), but instead is for an entity of type {actual_entity_type_name} ({actual_entity_type_label})",
expected_entity_type_name=expected_entity_type_name,
expected_entity_type_label=expected_entity_type_label,
actual_entity_type_name=get_entity_type_name(
entity_reference_entity_type
),
actual_entity_type_label=actual_entity_type_label,
)
)
[docs]
class ExtensionConfiguration(Configuration):
"""
Configure a single extension for a project.
"""
[docs]
def __init__(
self,
extension_type: type[Extension],
*,
enabled: bool = True,
extension_configuration: Configuration | None = None,
):
super().__init__()
self._extension_type = extension_type
self._enabled = enabled
if extension_configuration is None and issubclass(
extension_type, ConfigurableExtension
):
extension_configuration = extension_type.default_configuration()
self._set_extension_configuration(extension_configuration)
@override
def __eq__(self, other: Any) -> bool:
if not isinstance(other, self.__class__):
return NotImplemented
if self.extension_type != other.extension_type:
return False
if self.enabled != other.enabled:
return False
if self.extension_configuration != other.extension_configuration:
return False
return True
@property
def extension_type(self) -> type[Extension]:
"""
The extension type.
"""
return self._extension_type
@property
def enabled(self) -> bool:
"""
Whether the extension is enabled.
"""
return self._enabled
@enabled.setter
def enabled(self, enabled: bool) -> None:
self._enabled = enabled
self._dispatch_change()
@property
def extension_configuration(self) -> Configuration | None:
"""
Get the extension's own configuration.
"""
return self._extension_configuration
def _set_extension_configuration(
self, extension_configuration: Configuration | None
) -> None:
if extension_configuration is not None:
extension_configuration.on_change(self)
self._extension_configuration = extension_configuration
[docs]
@override
def update(self, other: Self) -> None:
self._extension_type = other._extension_type
self._enabled = other._enabled
self._set_extension_configuration(other._extension_configuration)
[docs]
@classmethod
def assert_load(cls) -> Assertion[Dump, ExtensionConfiguration]:
"""
Build an assertion to create a new instance and load a configuration dump into it.
"""
def _assertion(dump: Dump) -> ExtensionConfiguration:
dict_dump = assert_fields(
RequiredField("extension", assert_extension_type())
)(dump)
configuration = cls(dict_dump["extension"])
configuration.load(dump)
return configuration
return _assertion
_extension_type_assertion = assert_extension_type()
[docs]
@override
def load(self, dump: Dump) -> None:
assert_record(
RequiredField(
"extension",
self._extension_type_assertion
| assert_setattr(self, "_extension_type"),
),
OptionalField("enabled", assert_bool() | assert_setattr(self, "enabled")),
OptionalField(
"configuration",
self._assert_load_extension_configuration(self.extension_type),
),
)(dump)
def _assert_load_extension_configuration(
self, extension_type: type[Extension]
) -> Assertion[Any, Configuration]:
def _assertion(value: Any) -> Configuration:
extension_configuration = self._extension_configuration
if isinstance(extension_configuration, Configuration):
extension_configuration.load(value)
return extension_configuration
raise AssertionFailed(
Str._(
"{extension_type} is not configurable.",
extension_type=extension_type.name(),
)
)
return _assertion
[docs]
@override
def dump(self) -> VoidableDump:
return minimize(
{
"extension": self.extension_type.name(),
"enabled": self.enabled,
"configuration": (
minimize(self.extension_configuration.dump())
if issubclass(self.extension_type, Configurable)
and self.extension_configuration
else Void
),
}
)
[docs]
class ExtensionConfigurationMapping(
ConfigurationMapping[type[Extension], ExtensionConfiguration]
):
"""
Configure a project's extensions.
"""
@override
def _minimize_item_dump(self) -> bool:
return True
[docs]
def __init__(
self,
configurations: Iterable[ExtensionConfiguration] | None = None,
):
super().__init__(configurations)
[docs]
@override
def load_item(self, dump: Dump) -> ExtensionConfiguration:
return ExtensionConfiguration.assert_load()(dump)
@override
def _get_key(self, configuration: ExtensionConfiguration) -> type[Extension]:
return configuration.extension_type
@override
def _load_key(
self,
item_dump: Dump,
key_dump: str,
) -> Dump:
dict_dump = assert_dict()(item_dump)
dict_dump["extension"] = key_dump
return dict_dump
@override
def _dump_key(self, item_dump: VoidableDump) -> tuple[VoidableDump, str]:
dict_dump = assert_dict()(item_dump)
return dict_dump, dict_dump.pop("extension")
[docs]
def enable(self, *extension_types: type[Extension]) -> None:
"""
Enable the given extensions.
"""
for extension_type in extension_types:
try:
self._configurations[extension_type].enabled = True
except KeyError:
self.append(ExtensionConfiguration(extension_type))
[docs]
def disable(self, *extension_types: type[Extension]) -> None:
"""
Disable the given extensions.
"""
for extension_type in extension_types:
with suppress(KeyError):
self._configurations[extension_type].enabled = False
[docs]
class EntityTypeConfiguration(Configuration):
"""
Configure a single entity type for a project.
"""
[docs]
def __init__(
self,
entity_type: type[Entity],
*,
generate_html_list: bool | None = None,
):
super().__init__()
self._entity_type = entity_type
self.generate_html_list = generate_html_list # type: ignore[assignment]
@override
def __eq__(self, other: Any) -> bool:
if not isinstance(other, self.__class__):
return NotImplemented
if self.entity_type != other.entity_type:
return False
if self.generate_html_list != other.generate_html_list:
return False
return True
@property
def entity_type(self) -> type[Entity]:
"""
The configured entity type.
"""
return self._entity_type
@property
def generate_html_list(self) -> bool:
"""
Whether to generate listing web pages for entities of this type.
"""
return self._generate_html_list or False
@generate_html_list.setter
def generate_html_list(self, generate_html_list: bool | None) -> None:
if generate_html_list and not issubclass(self._entity_type, UserFacingEntity):
raise AssertionFailed(
Str._(
"Cannot generate pages for {entity_type}, because it is not a user-facing entity type.",
entity_type=get_entity_type_name(self._entity_type),
)
)
self._generate_html_list = generate_html_list
self._dispatch_change()
[docs]
@override
def update(self, other: Self) -> None:
self._entity_type = other._entity_type
self._generate_html_list = other._generate_html_list
self._dispatch_change()
[docs]
@override
def load(self, dump: Dump) -> None:
assert_record(
RequiredField[Any, type[Entity]](
"entity_type",
assert_str()
| assert_entity_type()
| assert_setattr(self, "_entity_type"),
),
OptionalField(
"generate_html_list",
assert_bool() | assert_setattr(self, "generate_html_list"),
),
)(dump)
[docs]
@override
def dump(self) -> VoidableDump:
dump: VoidableDictDump[VoidableDump] = {
"entity_type": get_entity_type_name(self._entity_type),
"generate_html_list": (
Void if self._generate_html_list is None else self._generate_html_list
),
}
return minimize(dump)
[docs]
class EntityTypeConfigurationMapping(
ConfigurationMapping[type[Entity], EntityTypeConfiguration]
):
"""
Configure the entity types for a project.
"""
@override
def _minimize_item_dump(self) -> bool:
return True
@override
def _get_key(self, configuration: EntityTypeConfiguration) -> type[Entity]:
return configuration.entity_type
@override
def _load_key(
self,
item_dump: Dump,
key_dump: str,
) -> Dump:
dict_dump = assert_dict()(item_dump)
assert_entity_type()(key_dump)
dict_dump["entity_type"] = key_dump
return dict_dump
@override
def _dump_key(self, item_dump: VoidableDump) -> tuple[VoidableDump, str]:
dict_dump = assert_dict()(item_dump)
return dict_dump, dict_dump.pop("entity_type")
[docs]
@override
def load_item(self, dump: Dump) -> EntityTypeConfiguration:
# Use a dummy entity type for now to satisfy the initializer.
# It will be overridden when loading the dump.
configuration = EntityTypeConfiguration(Entity)
configuration.load(dump)
return configuration
[docs]
class LocaleConfiguration(Configuration):
"""
Configure a single project locale.
"""
[docs]
def __init__(
self,
locale: str,
*,
alias: str | None = None,
):
super().__init__()
self._locale = locale
if alias is not None and "/" in alias:
raise AssertionFailed(Str._("Locale aliases must not contain slashes."))
self._alias = alias
@override # type: ignore[callable-functiontype]
@recursive_repr()
def __repr__(self) -> str:
return repr_instance(self, locale=self.locale, alias=self.alias)
@override
def __eq__(self, other: Any) -> bool:
if not isinstance(other, self.__class__):
return NotImplemented
if self.locale != other.locale:
return False
if self.alias != other.alias:
return False
return True
@override
def __hash__(self) -> int:
return hash((self._locale, self._alias))
@property
def locale(self) -> str:
"""
An `IETF BCP 47 <https://tools.ietf.org/html/bcp47>`_ language tag.
"""
return self._locale
@property
def alias(self) -> str:
"""
A shorthand alias to use instead of the full language tag, such as when rendering URLs.
"""
if self._alias is None:
return self.locale
return self._alias
@alias.setter
def alias(self, alias: str | None) -> None:
self._alias = alias
self._dispatch_change()
[docs]
@override
def update(self, other: Self) -> None:
self._locale = other._locale
self._alias = other._alias
[docs]
@override
def load(self, dump: Dump) -> None:
assert_record(
RequiredField("locale", assert_locale() | assert_setattr(self, "_locale")),
OptionalField("alias", assert_str() | assert_setattr(self, "alias")),
)(dump)
[docs]
@override
def dump(self) -> VoidableDump:
return minimize({"locale": self.locale, "alias": void_none(self._alias)})
[docs]
class LocaleConfigurationMapping(ConfigurationMapping[str, LocaleConfiguration]):
"""
Configure a project's locales.
"""
[docs]
def __init__(
self,
configurations: Iterable[LocaleConfiguration] | None = None,
):
super().__init__(configurations)
self._ensure_locale()
@override
def _on_remove(self, configuration: LocaleConfiguration) -> None:
super()._on_remove(configuration)
self._ensure_locale()
def _ensure_locale(self) -> None:
if len(self) == 0:
self.append(LocaleConfiguration(DEFAULT_LOCALE))
@override
def _get_key(self, configuration: LocaleConfiguration) -> str:
return configuration.locale
@override
def _load_key(
self,
item_dump: Dump,
key_dump: str,
) -> Dump:
dict_item_dump = assert_dict()(item_dump)
dict_item_dump["locale"] = key_dump
return dict_item_dump
@override
def _dump_key(self, item_dump: VoidableDump) -> tuple[VoidableDump, str]:
dict_item_dump = assert_dict()(item_dump)
return dict_item_dump, dict_item_dump.pop("locale")
[docs]
@override
def load_item(self, dump: Dump) -> LocaleConfiguration:
item = LocaleConfiguration("und")
item.load(dump)
return item
@property
def default(self) -> LocaleConfiguration:
"""
The default language.
"""
return next(iter(self._configurations.values()))
@default.setter
def default(self, configuration: LocaleConfiguration | str) -> None:
if isinstance(configuration, str):
configuration = self[configuration]
self._configurations[configuration.locale] = configuration
self._configurations.move_to_end(configuration.locale, False)
self._dispatch_change()
@property
def multilingual(self) -> bool:
"""
Whether the configuration is multilingual.
"""
return len(self) > 1
[docs]
@final
class ProjectConfiguration(FileBasedConfiguration):
"""
Provide the configuration for a :py:class:`betty.project.Project`.
"""
[docs]
def __init__(
self,
*,
base_url: str | None = None,
root_path: str = "",
clean_urls: bool = False,
title: str = "Betty",
author: str | None = None,
entity_types: Iterable[EntityTypeConfiguration] | None = None,
extensions: Iterable[ExtensionConfiguration] | None = None,
debug: bool = False,
locales: Iterable[LocaleConfiguration] | None = None,
lifetime_threshold: int = DEFAULT_LIFETIME_THRESHOLD,
name: str | None = None,
):
super().__init__()
self._name = name
self._computed_name: str | None = None
self._base_url = "https://example.com" if base_url is None else base_url
self._root_path = root_path
self._clean_urls = clean_urls
self._title = title
self._author = author
self._entity_types = EntityTypeConfigurationMapping(
entity_types
or [
EntityTypeConfiguration(
entity_type=Person,
generate_html_list=True,
),
EntityTypeConfiguration(
entity_type=Event,
generate_html_list=True,
),
EntityTypeConfiguration(
entity_type=Place,
generate_html_list=True,
),
EntityTypeConfiguration(
entity_type=Source,
generate_html_list=True,
),
]
)
self._entity_types.on_change(self)
self._extensions = ExtensionConfigurationMapping(extensions or ())
self._extensions.on_change(self)
self._debug = debug
self._locales = LocaleConfigurationMapping(locales or ())
self._locales.on_change(self)
self._lifetime_threshold = lifetime_threshold
@property
def name(self) -> str | None:
"""
The project's machine name.
"""
return self._name
@name.setter
def name(self, name: str) -> None:
self._name = name
self._dispatch_change()
@property
def project_directory_path(self) -> Path:
"""
The project directory path.
Betty will look for resources in this directory, and place generated artifacts there. It is expected
that no other applications or projects share this same directory.
"""
return self.configuration_file_path.parent
@property
def output_directory_path(self) -> Path:
"""
The output directory path.
"""
return self.project_directory_path / "output"
@property
def assets_directory_path(self) -> Path:
"""
The :doc:`assets directory path </usage/assets>`.
"""
return self.project_directory_path / "assets"
@property
def www_directory_path(self) -> Path:
"""
The WWW directory path.
"""
return self.output_directory_path / "www"
[docs]
def localize_www_directory_path(self, locale: str) -> Path:
"""
Get the WWW directory path for a locale.
"""
if self.locales.multilingual:
return self.www_directory_path / self.locales[locale].alias
return self.www_directory_path
@property
def title(self) -> str:
"""
The project's human-readable title.
"""
return self._title
@title.setter
def title(self, title: str) -> None:
self._title = title
self._dispatch_change()
@property
def author(self) -> str | None:
"""
The project's author.
"""
return self._author
@author.setter
def author(self, author: str | None) -> None:
self._author = author
self._dispatch_change()
@property
def base_url(self) -> str:
"""
The project's public URL's base URL.
If the public URL is ``https://example.com``, the base URL is ``https://example.com``.
If the public URL is ``https://example.com/my-ancestry-site``, the base URL is ``https://example.com``.
If the public URL is ``https://my-ancestry-site.example.com``, the base URL is ``https://my-ancestry-site.example.com``.
"""
return self._base_url
@base_url.setter
def base_url(self, base_url: str) -> None:
base_url_parts = urlparse(base_url)
if not base_url_parts.scheme:
raise AssertionFailed(
Str._(
"The base URL must start with a scheme such as https://, http://, or file://."
)
)
if not base_url_parts.netloc:
raise AssertionFailed(Str._("The base URL must include a path."))
self._base_url = "%s://%s" % (base_url_parts.scheme, base_url_parts.netloc)
self._dispatch_change()
@property
def root_path(self) -> str:
"""
The project's public URL's root path.
If the public URL is ``https://example.com``, the root path is an empty string.
If the public URL is ``https://example.com/my-ancestry-site``, the root path is ``/my-ancestry-site``.
"""
return self._root_path
@root_path.setter
def root_path(self, root_path: str) -> None:
self._root_path = root_path.strip("/")
self._dispatch_change()
@property
def clean_urls(self) -> bool:
"""
Whether to generate clean URLs such as ``/person/first-person`` instead of ``/person/first-person/index.html``.
Generated artifacts will require web server that supports this.
"""
return self._clean_urls
@clean_urls.setter
def clean_urls(self, clean_urls: bool) -> None:
self._clean_urls = clean_urls
self._dispatch_change()
@property
def locales(self) -> LocaleConfigurationMapping:
"""
The available locales.
"""
return self._locales
@property
def entity_types(self) -> EntityTypeConfigurationMapping:
"""
The available entity types.
"""
return self._entity_types
@property
def extensions(self) -> ExtensionConfigurationMapping:
"""
Then extensions running within this application.
"""
return self._extensions
@property
def debug(self) -> bool:
"""
Whether to enable debugging for project jobs.
This setting is disabled by default.
Enabling this generally results in:
- More verbose logging output
- job artifacts (e.g. generated sites)
"""
return self._debug
@debug.setter
def debug(self, debug: bool) -> None:
self._debug = debug
self._dispatch_change()
@property
def lifetime_threshold(self) -> int:
"""
The lifetime threshold indicates when people are considered dead.
This setting defaults to :py:const:`betty.project.DEFAULT_LIFETIME_THRESHOLD`.
The value is an integer expressing the age in years over which people are
presumed to have died.
"""
return self._lifetime_threshold
@lifetime_threshold.setter
def lifetime_threshold(self, lifetime_threshold: int) -> None:
assert_positive_number()(lifetime_threshold)
self._lifetime_threshold = lifetime_threshold
self._dispatch_change()
[docs]
@override
def update(self, other: Self) -> None:
self._base_url = other._base_url
self._title = other._title
self._author = other._author
self._root_path = other._root_path
self._clean_urls = other._clean_urls
self._debug = other._debug
self._lifetime_threshold = other._lifetime_threshold
self._locales.update(other._locales)
self._extensions.update(other._extensions)
self._entity_types.update(other._entity_types)
self._dispatch_change()
[docs]
@override
def load(self, dump: Dump) -> None:
assert_record(
OptionalField("name", assert_str() | assert_setattr(self, "name")),
RequiredField("base_url", assert_str() | assert_setattr(self, "base_url")),
OptionalField("title", assert_str() | assert_setattr(self, "title")),
OptionalField("author", assert_str() | assert_setattr(self, "author")),
OptionalField(
"root_path", assert_str() | assert_setattr(self, "root_path")
),
OptionalField(
"clean_urls",
assert_bool() | assert_setattr(self, "clean_urls"),
),
OptionalField("debug", assert_bool() | assert_setattr(self, "debug")),
OptionalField(
"lifetime_threshold",
assert_int() | assert_setattr(self, "lifetime_threshold"),
),
OptionalField("locales", self.locales.load),
OptionalField("extensions", self.extensions.load),
OptionalField("entity_types", self.entity_types.load),
)(dump)
[docs]
@override
def dump(self) -> VoidableDictDump[Dump]:
return minimize(
{ # type: ignore[return-value]
"name": void_none(self.name),
"base_url": self.base_url,
"title": self.title,
"root_path": void_none(self.root_path),
"clean_urls": void_none(self.clean_urls),
"author": void_none(self.author),
"debug": void_none(self.debug),
"lifetime_threshold": void_none(self.lifetime_threshold),
"locales": self.locales.dump(),
"extensions": self.extensions.dump(),
"entity_types": self.entity_types.dump(),
},
True,
)
[docs]
class Project(Configurable[ProjectConfiguration]):
"""
Define a Betty project.
A project combines project configuration and the resulting ancestry.
"""
[docs]
def __init__(
self,
*,
ancestry: Ancestry | None = None,
):
super().__init__()
self._configuration = ProjectConfiguration()
self._ancestry = Ancestry() if ancestry is None else ancestry
@property
def name(self) -> str:
"""
The project name.
If no project name was configured, this defaults to the hash of the configuration file path.
"""
if self._configuration.name is None:
return hashid(str(self._configuration.configuration_file_path))
return self._configuration.name
@property
def ancestry(self) -> Ancestry:
"""
The project's ancestry.
"""
return self._ancestry