python-gitlab/gitlab/cli.py at master · daichenghe/python-gitlab · GitHub

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#!/usr/bin/env python

# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public License

# along with this program. If not, see <http://www.gnu.org/licenses/>.

import argparse

import functools

import re

import sys

from types import ModuleType

from typing import Any, Callable, cast, Dict, Optional, Tuple, Type, TypeVar, Union

from requests.structures import CaseInsensitiveDict

import gitlab.config

from gitlab.base import RESTObject

# This regex is based on:

# https://github.com/jpvanhal/inflection/blob/master/inflection/__init__.py

camel_upperlower_regex = re.compile(r"([A-Z]+)([A-Z][a-z])")

camel_lowerupper_regex = re.compile(r"([a-z\d])([A-Z])")

# custom_actions = {

# cls: {

# action: (mandatory_args, optional_args, in_obj),

# },

# }

custom_actions: Dict[str, Dict[str, Tuple[Tuple[str, ...], Tuple[str, ...], bool]]] = {}

# For an explanation of how these type-hints work see:

# https://mypy.readthedocs.io/en/stable/generics.html#declaring-decorators

# The goal here is that functions which get decorated will retain their types.

__F = TypeVar("__F", bound=Callable[..., Any])

def register_custom_action(

cls_names: Union[str, Tuple[str, ...]],

mandatory: Tuple[str, ...] = tuple(),

optional: Tuple[str, ...] = tuple(),

custom_action: Optional[str] = None,

) -> Callable[[__F], __F]:

def wrap(f: __F) -> __F:

@functools.wraps(f)

def wrapped_f(*args: Any, **kwargs: Any) -> Any:

return f(*args, **kwargs)

# in_obj defines whether the method belongs to the obj or the manager

in_obj = True

if isinstance(cls_names, tuple):

classes = cls_names

else:

classes = (cls_names,)

for cls_name in classes:

final_name = cls_name

if cls_name.endswith("Manager"):

final_name = cls_name.replace("Manager", "")

in_obj = False

if final_name not in custom_actions:

custom_actions[final_name] = {}

action = custom_action or f.__name__.replace("_", "-")

custom_actions[final_name][action] = (mandatory, optional, in_obj)

return cast(__F, wrapped_f)

return wrap

def die(msg: str, e: Optional[Exception] = None) -> None:

if e:

msg = "%s (%s)" % (msg, e)

sys.stderr.write(msg + "\n")

sys.exit(1)

def what_to_cls(what: str, namespace: ModuleType) -> Type[RESTObject]:

classes = CaseInsensitiveDict(namespace.__dict__)

lowercase_class = what.replace("-", "")

return classes[lowercase_class]

def cls_to_what(cls: RESTObject) -> str:

dasherized_uppercase = camel_upperlower_regex.sub(r"\1-\2", cls.__name__)

dasherized_lowercase = camel_lowerupper_regex.sub(r"\1-\2", dasherized_uppercase)

return dasherized_lowercase.lower()

def _get_base_parser(add_help: bool = True) -> argparse.ArgumentParser:

parser = argparse.ArgumentParser(

add_help=add_help, description="GitLab API Command Line Interface"

)

parser.add_argument("--version", help="Display the version.", action="store_true")

parser.add_argument(

"-v",

"--verbose",

"--fancy",

help="Verbose mode (legacy format only)",

action="store_true",

)

parser.add_argument(

"-d", "--debug", help="Debug mode (display HTTP requests)", action="store_true"

)

parser.add_argument(

"-c",

"--config-file",

action="append",

help="Configuration file to use. Can be used multiple times.",

)

parser.add_argument(

"-g",

"--gitlab",

help=(

"Which configuration section should "

"be used. If not defined, the default selection "

"will be used."

required=False,

)

parser.add_argument(

"-o",

"--output",

help="Output format (v4 only): json|legacy|yaml",

required=False,

choices=["json", "legacy", "yaml"],

default="legacy",

)

parser.add_argument(

"-f",

"--fields",

help=(

"Fields to display in the output (comma "

"separated). Not used with legacy output"

required=False,

)

return parser

def _get_parser() -> argparse.ArgumentParser:

# NOTE: We must delay import of gitlab.v4.cli until now or

# otherwise it will cause circular import errors

import gitlab.v4.cli

parser = _get_base_parser()

return gitlab.v4.cli.extend_parser(parser)

def _parse_value(v: Any) -> Any:

if isinstance(v, str) and v.startswith("@"):

# If the user-provided value starts with @, we try to read the file

# path provided after @ as the real value. Exit on any error.

try:

with open(v[1:]) as fl:

return fl.read()

except Exception as e:

sys.stderr.write("%s\n" % e)

sys.exit(1)

return v

def docs() -> argparse.ArgumentParser:

"""

Provide a statically generated parser for sphinx only, so we don't need

to provide dummy gitlab config for readthedocs.

"""

if "sphinx" not in sys.modules:

sys.exit("Docs parser is only intended for build_sphinx")

return _get_parser()

def main() -> None:

if "--version" in sys.argv:

print(gitlab.__version__)

sys.exit(0)

parser = _get_base_parser(add_help=False)

# This first parsing step is used to find the gitlab config to use, and

# load the propermodule (v3 or v4) accordingly. At that point we don't have

# any subparser setup

(options, _) = parser.parse_known_args(sys.argv)

try:

config = gitlab.config.GitlabConfigParser(options.gitlab, options.config_file)

except gitlab.config.ConfigError as e:

if "--help" in sys.argv or "-h" in sys.argv:

parser.print_help()

sys.exit(0)

sys.exit(e)

# We only support v4 API at this time

if config.api_version not in ("4",):

raise ModuleNotFoundError(name="gitlab.v%s.cli" % config.api_version)

# Now we build the entire set of subcommands and do the complete parsing

parser = _get_parser()

try:

import argcomplete # type: ignore

argcomplete.autocomplete(parser)

except Exception:

pass

args = parser.parse_args()

config_files = args.config_file

gitlab_id = args.gitlab

verbose = args.verbose

output = args.output

fields = []

if args.fields:

fields = [x.strip() for x in args.fields.split(",")]

debug = args.debug

action = args.whaction

what = args.what

args_dict = vars(args)

# Remove CLI behavior-related args

for item in (

"gitlab",

"config_file",

"verbose",

"debug",

"what",

"whaction",

"version",

"output",

args_dict.pop(item)

args_dict = {k: _parse_value(v) for k, v in args_dict.items() if v is not None}

try:

gl = gitlab.Gitlab.from_config(gitlab_id, config_files)

if gl.private_token or gl.oauth_token or gl.job_token:

gl.auth()

except Exception as e:

die(str(e))

if debug:

gl.enable_debug()

gitlab.v4.cli.run(gl, what, action, args_dict, verbose, output, fields)

python-gitlab/gitlab/cli.py at master · daichenghe/python-gitlab · GitHub

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