python-gitlab/gitlab/cli.py at fix/parse-cli-objects-camelcase · Sineaggi/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 importlib

import re

import sys

from requests.structures import CaseInsensitiveDict

import gitlab.config

# Full credit for this regex goes to:

# 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 = {}

def register_custom_action(cls_names, mandatory=tuple(), optional=tuple()):

def wrap(f):

@functools.wraps(f)

def wrapped_f(*args, **kwargs):

return f(*args, **kwargs)

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

in_obj = True

classes = cls_names

if type(cls_names) != tuple:

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 = f.__name__.replace("_", "-")

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

return wrapped_f

return wrap

def die(msg, e=None):

if e:

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

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

sys.exit(1)

def what_to_cls(object, what):

"""Convert a kebab-case argument to the corresponding attribute of an object

with a case-insensitive lookup."""

attributes = CaseInsensitiveDict(object.__dict__)

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

return attributes[lowercase_attribute]

def cls_to_what(cls):

"""Convert CamelCase class names to kebab-case in two steps, to ensure names

with whole upper-case words are correctly dash-separated as well."""

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

return camel_lowerupper_regex.sub(r"\1-\2", dash_upper).lower()

def _get_base_parser(add_help=True):

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(cli_module):

parser = _get_base_parser()

return cli_module.extend_parser(parser)

def _parse_value(v):

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():

"""

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")

parser = _get_base_parser(add_help=False)

cli_module = importlib.import_module("gitlab.v4.cli")

return _get_parser(cli_module)

def main():

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, args) = 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)

cli_module = importlib.import_module("gitlab.v%s.cli" % config.api_version)

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

parser = _get_parser(cli_module)

try:

import argcomplete

argcomplete.autocomplete(parser)

except Exception:

pass

args = parser.parse_args(sys.argv[1:])

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 = args.__dict__

# Remove CLI behavior-related args

for item in (

"gitlab",

"config_file",

"verbose",

"debug",

"what",

"whaction",

"version",

"output",

args.pop(item)

args = {k: _parse_value(v) for k, v in args.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()

cli_module.run(gl, what, action, args, verbose, output, fields)

sys.exit(0)

python-gitlab/gitlab/cli.py at fix/parse-cli-objects-camelcase · Sineaggi/python-gitlab · GitHub

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