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import argparse
import operator
import sys
from typing import Any, Dict, List, Optional, Type, TYPE_CHECKING, Union
import gitlab
import gitlab.base
import gitlab.v4.objects
from gitlab import cli
from gitlab.exceptions import GitlabCiLintError
class GitlabCLI:
def __init__(
self,
gl: gitlab.Gitlab,
gitlab_resource: str,
resource_action: str,
args: Dict[str, str],
) -> None:
self.cls: Type[gitlab.base.RESTObject] = cli.gitlab_resource_to_cls(
gitlab_resource, namespace=gitlab.v4.objects
)
self.cls_name = self.cls.__name__
self.gitlab_resource = gitlab_resource.replace("-", "_")
self.resource_action = resource_action.lower()
self.gl = gl
self.args = args
self.parent_args: Dict[str, Any] = {}
self.mgr_cls: Union[
Type[gitlab.mixins.CreateMixin],
Type[gitlab.mixins.DeleteMixin],
Type[gitlab.mixins.GetMixin],
Type[gitlab.mixins.GetWithoutIdMixin],
Type[gitlab.mixins.ListMixin],
Type[gitlab.mixins.UpdateMixin],
] = getattr(gitlab.v4.objects, f"{self.cls.__name__}Manager")
# We could do something smart, like splitting the manager name to find
# parents, build the chain of managers to get to the final object.
# Instead we do something ugly and efficient: interpolate variables in
# the class _path attribute, and replace the value with the result.
if TYPE_CHECKING:
assert self.mgr_cls._path is not None
self._process_from_parent_attrs()
self.mgr_cls._path = self.mgr_cls._path.format(**self.parent_args)
self.mgr = self.mgr_cls(gl)
if self.mgr_cls._types:
for attr_name, type_cls in self.mgr_cls._types.items():
if attr_name in self.args.keys():
obj = type_cls()
obj.set_from_cli(self.args[attr_name])
self.args[attr_name] = obj.get()
def _process_from_parent_attrs(self) -> None:
"""Items in the path need to be url-encoded. There is a 1:1 mapping from
mgr_cls._from_parent_attrs <--> mgr_cls._path. Those values must be url-encoded
as they may contain a slash '/'."""
for key in self.mgr_cls._from_parent_attrs:
if key not in self.args:
continue
self.parent_args[key] = gitlab.utils.EncodedId(self.args[key])
# If we don't delete it then it will be added to the URL as a query-string
del self.args[key]
def run(self) -> Any:
# Check for a method that matches gitlab_resource + action
method = f"do_{self.gitlab_resource}_{self.resource_action}"
if hasattr(self, method):
return getattr(self, method)()
# Fallback to standard actions (get, list, create, ...)
method = f"do_{self.resource_action}"
if hasattr(self, method):
return getattr(self, method)()
# Finally try to find custom methods
return self.do_custom()
def do_custom(self) -> Any:
class_instance: Union[gitlab.base.RESTManager, gitlab.base.RESTObject]
in_obj = cli.custom_actions[self.cls_name][self.resource_action][2]
# Get the object (lazy), then act
if in_obj:
data = {}
if self.mgr._from_parent_attrs:
for k in self.mgr._from_parent_attrs:
data[k] = self.parent_args[k]
if not issubclass(self.cls, gitlab.mixins.GetWithoutIdMixin):
if TYPE_CHECKING:
assert isinstance(self.cls._id_attr, str)
data[self.cls._id_attr] = self.args.pop(self.cls._id_attr)
class_instance = self.cls(self.mgr, data)
else:
class_instance = self.mgr
method_name = self.resource_action.replace("-", "_")
return getattr(class_instance, method_name)(**self.args)
def do_project_export_download(self) -> None:
try:
project = self.gl.projects.get(self.parent_args["project_id"], lazy=True)
export_status = project.exports.get()
if TYPE_CHECKING:
assert export_status is not None
data = export_status.download()
if TYPE_CHECKING:
assert data is not None
assert isinstance(data, bytes)
sys.stdout.buffer.write(data)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Impossible to download the export", e)
def do_validate(self) -> None:
if TYPE_CHECKING:
assert isinstance(self.mgr, gitlab.v4.objects.CiLintManager)
try:
self.mgr.validate(self.args)
except GitlabCiLintError as e: # pragma: no cover, cli.die is unit-tested
cli.die("CI YAML Lint failed", e)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Cannot validate CI YAML", e)
def do_create(self) -> gitlab.base.RESTObject:
if TYPE_CHECKING:
assert isinstance(self.mgr, gitlab.mixins.CreateMixin)
try:
result = self.mgr.create(self.args)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Impossible to create object", e)
return result
def do_list(
self,
) -> Union[gitlab.base.RESTObjectList, List[gitlab.base.RESTObject]]:
if TYPE_CHECKING:
assert isinstance(self.mgr, gitlab.mixins.ListMixin)
try:
result = self.mgr.list(**self.args)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Impossible to list objects", e)
return result
def do_get(self) -> Optional[gitlab.base.RESTObject]:
if isinstance(self.mgr, gitlab.mixins.GetWithoutIdMixin):
try:
result = self.mgr.get(id=None, **self.args)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Impossible to get object", e)
return result
if TYPE_CHECKING:
assert isinstance(self.mgr, gitlab.mixins.GetMixin)
assert isinstance(self.cls._id_attr, str)
id = self.args.pop(self.cls._id_attr)
try:
result = self.mgr.get(id, lazy=False, **self.args)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Impossible to get object", e)
return result
def do_delete(self) -> None:
if TYPE_CHECKING:
assert isinstance(self.mgr, gitlab.mixins.DeleteMixin)
assert isinstance(self.cls._id_attr, str)
id = self.args.pop(self.cls._id_attr)
try:
self.mgr.delete(id, **self.args)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Impossible to destroy object", e)
def do_update(self) -> Dict[str, Any]:
if TYPE_CHECKING:
assert isinstance(self.mgr, gitlab.mixins.UpdateMixin)
if issubclass(self.mgr_cls, gitlab.mixins.GetWithoutIdMixin):
id = None
else:
if TYPE_CHECKING:
assert isinstance(self.cls._id_attr, str)
id = self.args.pop(self.cls._id_attr)
try:
result = self.mgr.update(id, self.args)
except Exception as e: # pragma: no cover, cli.die is unit-tested
cli.die("Impossible to update object", e)
return result
# https://github.com/python/typeshed/issues/7539#issuecomment-1076581049
if TYPE_CHECKING:
_SubparserType = argparse._SubParsersAction[argparse.ArgumentParser]
else:
_SubparserType = Any
def _populate_sub_parser_by_class(
cls: Type[gitlab.base.RESTObject],
sub_parser: _SubparserType,
) -> None:
mgr_cls_name = f"{cls.__name__}Manager"
mgr_cls = getattr(gitlab.v4.objects, mgr_cls_name)
action_parsers: Dict[str, argparse.ArgumentParser] = {}
for action_name in ["list", "get", "create", "update", "delete"]:
if not hasattr(mgr_cls, action_name):
continue
sub_parser_action = sub_parser.add_parser(
action_name, conflict_handler="resolve"
)
action_parsers[action_name] = sub_parser_action
sub_parser_action.add_argument("--sudo", required=False)
if mgr_cls._from_parent_attrs:
for x in mgr_cls._from_parent_attrs:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=True
)
if action_name == "list":
for x in mgr_cls._list_filters:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=False
)
sub_parser_action.add_argument("--page", required=False, type=int)
sub_parser_action.add_argument("--per-page", required=False, type=int)
sub_parser_action.add_argument(
"--get-all",
required=False,
action="store_true",
help="Return all items from the server, without pagination.",
)
sub_parser_action.add_argument(
"--all",
required=False,
action="store_true",
help="Deprecated. Use --get-all instead.",
)
if action_name == "delete":
if cls._id_attr is not None:
id_attr = cls._id_attr.replace("_", "-")
sub_parser_action.add_argument(f"--{id_attr}", required=True)
if action_name == "get":
if not issubclass(cls, gitlab.mixins.GetWithoutIdMixin):
if cls._id_attr is not None:
id_attr = cls._id_attr.replace("_", "-")
sub_parser_action.add_argument(f"--{id_attr}", required=True)
for x in mgr_cls._optional_get_attrs:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=False
)
if action_name == "create":
for x in mgr_cls._create_attrs.required:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=True
)
for x in mgr_cls._create_attrs.optional:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=False
)
if action_name == "update":
if cls._id_attr is not None:
id_attr = cls._id_attr.replace("_", "-")
sub_parser_action.add_argument(f"--{id_attr}", required=True)
for x in mgr_cls._update_attrs.required:
if x != cls._id_attr:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=True
)
for x in mgr_cls._update_attrs.optional:
if x != cls._id_attr:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=False
)
if cls.__name__ in cli.custom_actions:
name = cls.__name__
for action_name in cli.custom_actions[name]:
# NOTE(jlvillal): If we put a function for the `default` value of
# the `get` it will always get called, which will break things.
action_parser = action_parsers.get(action_name)
if action_parser is None:
sub_parser_action = sub_parser.add_parser(action_name)
else:
sub_parser_action = action_parser
# Get the attributes for URL/path construction
if mgr_cls._from_parent_attrs:
for x in mgr_cls._from_parent_attrs:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=True
)
sub_parser_action.add_argument("--sudo", required=False)
# We need to get the object somehow
if not issubclass(cls, gitlab.mixins.GetWithoutIdMixin):
if cls._id_attr is not None:
id_attr = cls._id_attr.replace("_", "-")
sub_parser_action.add_argument(f"--{id_attr}", required=True)
required, optional, dummy = cli.custom_actions[name][action_name]
for x in required:
if x != cls._id_attr:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=True
)
for x in optional:
if x != cls._id_attr:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=False
)
if mgr_cls.__name__ in cli.custom_actions:
name = mgr_cls.__name__
for action_name in cli.custom_actions[name]:
# NOTE(jlvillal): If we put a function for the `default` value of
# the `get` it will always get called, which will break things.
action_parser = action_parsers.get(action_name)
if action_parser is None:
sub_parser_action = sub_parser.add_parser(action_name)
else:
sub_parser_action = action_parser
if mgr_cls._from_parent_attrs:
for x in mgr_cls._from_parent_attrs:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=True
)
sub_parser_action.add_argument("--sudo", required=False)
required, optional, dummy = cli.custom_actions[name][action_name]
for x in required:
if x != cls._id_attr:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=True
)
for x in optional:
if x != cls._id_attr:
sub_parser_action.add_argument(
f"--{x.replace('_', '-')}", required=False
)
def extend_parser(parser: argparse.ArgumentParser) -> argparse.ArgumentParser:
subparsers = parser.add_subparsers(
title="resource",
dest="gitlab_resource",
help="The GitLab resource to manipulate.",
)
subparsers.required = True
# populate argparse for all Gitlab Object
classes = set()
for cls in gitlab.v4.objects.__dict__.values():
if not isinstance(cls, type):
continue
if issubclass(cls, gitlab.base.RESTManager):
if cls._obj_cls is not None:
classes.add(cls._obj_cls)
for cls in sorted(classes, key=operator.attrgetter("__name__")):
arg_name = cli.cls_to_gitlab_resource(cls)
object_group = subparsers.add_parser(
arg_name, formatter_class=cli.VerticalHelpFormatter
)
object_subparsers = object_group.add_subparsers(
title="action",
dest="resource_action",
help="Action to execute on the GitLab resource.",
)
_populate_sub_parser_by_class(cls, object_subparsers)
object_subparsers.required = True
return parser
def get_dict(
obj: Union[str, gitlab.base.RESTObject], fields: List[str]
) -> Union[str, Dict[str, Any]]:
if isinstance(obj, str):
return obj
if fields:
return {k: v for k, v in obj.attributes.items() if k in fields}
return obj.attributes
class JSONPrinter:
@staticmethod
def display(d: Union[str, Dict[str, Any]], **_kwargs: Any) -> None:
import json # noqa
print(json.dumps(d))
@staticmethod
def display_list(
data: List[Union[str, gitlab.base.RESTObject]],
fields: List[str],
**_kwargs: Any,
) -> None:
import json # noqa
print(json.dumps([get_dict(obj, fields) for obj in data]))
class YAMLPrinter:
@staticmethod
def display(d: Union[str, Dict[str, Any]], **_kwargs: Any) -> None:
try:
import yaml # noqa
print(yaml.safe_dump(d, default_flow_style=False))
except ImportError:
sys.exit(
"PyYaml is not installed.\n"
"Install it with `pip install PyYaml` "
"to use the yaml output feature"
)
@staticmethod
def display_list(
data: List[Union[str, gitlab.base.RESTObject]],
fields: List[str],
**_kwargs: Any,
) -> None:
try:
import yaml # noqa
print(
yaml.safe_dump(
[get_dict(obj, fields) for obj in data], default_flow_style=False
)
)
except ImportError:
sys.exit(
"PyYaml is not installed.\n"
"Install it with `pip install PyYaml` "
"to use the yaml output feature"
)
class LegacyPrinter:
def display(self, _d: Union[str, Dict[str, Any]], **kwargs: Any) -> None:
verbose = kwargs.get("verbose", False)
padding = kwargs.get("padding", 0)
obj: Optional[Union[Dict[str, Any], gitlab.base.RESTObject]] = kwargs.get("obj")
if TYPE_CHECKING:
assert obj is not None
def display_dict(d: Dict[str, Any], padding: int) -> None:
for k in sorted(d.keys()):
v = d[k]
if isinstance(v, dict):
print(f"{' ' * padding}{k.replace('_', '-')}:")
new_padding = padding + 2
self.display(v, verbose=True, padding=new_padding, obj=v)
continue
print(f"{' ' * padding}{k.replace('_', '-')}: {v}")
if verbose:
if isinstance(obj, dict):
display_dict(obj, padding)
return
# not a dict, we assume it's a RESTObject
if obj._id_attr:
id = getattr(obj, obj._id_attr, None)
print(f"{obj._id_attr}: {id}")
attrs = obj.attributes
if obj._id_attr:
attrs.pop(obj._id_attr)
display_dict(attrs, padding)
else:
if TYPE_CHECKING:
assert isinstance(obj, gitlab.base.RESTObject)
if obj._id_attr:
id = getattr(obj, obj._id_attr)
print(f"{obj._id_attr.replace('_', '-')}: {id}")
if obj._repr_attr:
value = getattr(obj, obj._repr_attr, "None")
value = value.replace("\r", "").replace("\n", " ")
# If the attribute is a note (ProjectCommitComment) then we do
# some modifications to fit everything on one line
line = f"{obj._repr_attr}: {value}"
# ellipsize long lines (comments)
if len(line) > 79:
line = f"{line[:76]}..."
print(line)
def display_list(
self,
data: List[Union[str, gitlab.base.RESTObject]],
fields: List[str],
**kwargs: Any,
) -> None:
verbose = kwargs.get("verbose", False)
for obj in data:
if isinstance(obj, gitlab.base.RESTObject):
self.display(get_dict(obj, fields), verbose=verbose, obj=obj)
else:
print(obj)
print("")
PRINTERS: Dict[
str, Union[Type[JSONPrinter], Type[LegacyPrinter], Type[YAMLPrinter]]
] = {
"json": JSONPrinter,
"legacy": LegacyPrinter,
"yaml": YAMLPrinter,
}
def run(
gl: gitlab.Gitlab,
gitlab_resource: str,
resource_action: str,
args: Dict[str, Any],
verbose: bool,
output: str,
fields: List[str],
) -> None:
g_cli = GitlabCLI(
gl=gl,
gitlab_resource=gitlab_resource,
resource_action=resource_action,
args=args,
)
data = g_cli.run()
printer: Union[JSONPrinter, LegacyPrinter, YAMLPrinter] = PRINTERS[output]()
if isinstance(data, dict):
printer.display(data, verbose=True, obj=data)
elif isinstance(data, list):
printer.display_list(data, fields, verbose=verbose)
elif isinstance(data, gitlab.base.RESTObject):
printer.display(get_dict(data, fields), verbose=verbose, obj=data)
elif isinstance(data, str):
print(data)
elif isinstance(data, bytes):
sys.stdout.buffer.write(data)
elif hasattr(data, "decode"):
print(data.decode())