forked from freeipa/freeipa
/
pylint_plugins.py
538 lines (485 loc) · 15.9 KB
/
pylint_plugins.py
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#
# Copyright (C) 2015 FreeIPA Contributors see COPYING for license
#
from __future__ import print_function
import copy
import os.path
import sys
import textwrap
from astroid import MANAGER, register_module_extender
from astroid import scoped_nodes
from pylint.checkers import BaseChecker
from pylint.checkers.utils import check_messages
from pylint.interfaces import IAstroidChecker
from astroid.builder import AstroidBuilder
def register(linter):
linter.register_checker(IPAChecker(linter))
def _warning_already_exists(cls, member):
print(
"WARNING: member '{member}' in '{cls}' already exists".format(
cls="{}.{}".format(cls.root().name, cls.name), member=member),
file=sys.stderr
)
def fake_class(name_or_class_obj, members=()):
if isinstance(name_or_class_obj, scoped_nodes.ClassDef):
cl = name_or_class_obj
else:
cl = scoped_nodes.ClassDef(name_or_class_obj, None)
for m in members:
if isinstance(m, str):
if m in cl.locals:
_warning_already_exists(cl, m)
else:
cl.locals[m] = [scoped_nodes.ClassDef(m, None)]
elif isinstance(m, dict):
for key, val in m.items():
assert isinstance(key, str), "key must be string"
if key in cl.locals:
_warning_already_exists(cl, key)
fake_class(cl.locals[key], val)
else:
cl.locals[key] = [fake_class(key, val)]
else:
# here can be used any astroid type
if m.name in cl.locals:
_warning_already_exists(cl, m.name)
else:
cl.locals[m.name] = [copy.copy(m)]
return cl
# 'class': ['generated', 'properties']
ipa_class_members = {
# Python standard library & 3rd party classes
'socket._socketobject': ['sendall'],
# IPA classes
'ipalib.base.NameSpace': [
'add',
'mod',
'del',
'show',
'find'
],
'ipalib.cli.Collector': ['__options'],
'ipalib.config.Env': [ # somehow needed for pylint on Python 2
'debug',
'startup_traceback',
'server',
'validate_api',
'verbose',
],
'ipalib.errors.ACIError': [
'info',
],
'ipalib.errors.ConversionError': [
'error',
],
'ipalib.errors.DatabaseError': [
'desc',
],
'ipalib.errors.NetworkError': [
'error',
],
'ipalib.errors.NotFound': [
'reason',
],
'ipalib.errors.PublicError': [
'msg',
'strerror',
'kw',
],
'ipalib.errors.SingleMatchExpected': [
'found',
],
'ipalib.errors.SkipPluginModule': [
'reason',
],
'ipalib.errors.ValidationError': [
'error',
],
'ipalib.errors.SchemaUpToDate': [
'fingerprint',
'ttl',
],
'ipalib.messages.PublicMessage': [
'msg',
'strerror',
'type',
'kw',
],
'ipalib.parameters.Param': [
'cli_name',
'cli_short_name',
'label',
'default',
'doc',
'required',
'multivalue',
'primary_key',
'normalizer',
'default_from',
'autofill',
'query',
'attribute',
'include',
'exclude',
'flags',
'hint',
'alwaysask',
'sortorder',
'option_group',
'no_convert',
'deprecated',
],
'ipalib.parameters.Bool': [
'truths',
'falsehoods'],
'ipalib.parameters.Data': [
'minlength',
'maxlength',
'length',
'pattern',
'pattern_errmsg',
],
'ipalib.parameters.Str': ['noextrawhitespace'],
'ipalib.parameters.Password': ['confirm'],
'ipalib.parameters.File': ['stdin_if_missing'],
'ipalib.parameters.Enum': ['values'],
'ipalib.parameters.Number': [
'minvalue',
'maxvalue',
],
'ipalib.parameters.Decimal': [
'precision',
'exponential',
'numberclass',
],
'ipalib.parameters.DNSNameParam': [
'only_absolute',
'only_relative',
],
'ipalib.parameters.Principal': [
'require_service',
],
'ipalib.plugable.API': [
'Advice',
],
'ipalib.util.ForwarderValidationError': [
'msg',
],
'ipaserver.plugins.dns.DNSRecord': [
'validatedns',
'normalizedns',
],
'ipatests.test_integration.base.IntegrationTest': [
'domain',
{'master': [
{'config': [
{'dirman_password': dir(str)},
{'admin_password': dir(str)},
{'admin_name': dir(str)},
{'dns_forwarder': dir(str)},
{'test_dir': dir(str)},
{'ad_admin_name': dir(str)},
{'ad_admin_password': dir(str)},
{'domain_level': dir(str)},
]},
{'domain': [
{'realm': dir(str)},
{'name': dir(str)},
]},
'hostname',
'ip',
'collect_log',
{'run_command': [
{'stdout_text': dir(str)},
'stderr_text',
'returncode',
]},
{'transport': ['put_file', 'file_exists']},
'put_file_contents',
'get_file_contents',
'ldap_connect',
]},
'replicas',
'clients',
'ad_domains',
]
}
def fix_ipa_classes(cls):
class_name_with_module = "{}.{}".format(cls.root().name, cls.name)
if class_name_with_module in ipa_class_members:
fake_class(cls, ipa_class_members[class_name_with_module])
MANAGER.register_transform(scoped_nodes.ClassDef, fix_ipa_classes)
def pytest_config_transform():
"""pylint.config attribute
"""
return AstroidBuilder(MANAGER).string_build(textwrap.dedent('''
from _pytest.config import get_config
config = get_config()
'''))
register_module_extender(MANAGER, 'pytest', pytest_config_transform)
def ipaplatform_constants_transform():
return AstroidBuilder(MANAGER).string_build(textwrap.dedent('''
from ipaplatform.base.constants import constants
__all__ = ('constants',)
'''))
def ipaplatform_paths_transform():
return AstroidBuilder(MANAGER).string_build(textwrap.dedent('''
from ipaplatform.base.paths import paths
__all__ = ('paths',)
'''))
def ipaplatform_services_transform():
return AstroidBuilder(MANAGER).string_build(textwrap.dedent('''
from ipaplatform.base.services import knownservices
from ipaplatform.base.services import timedate_services
from ipaplatform.base.services import service
from ipaplatform.base.services import wellknownservices
from ipaplatform.base.services import wellknownports
__all__ = ('knownservices', 'timedate_services', 'service',
'wellknownservices', 'wellknownports')
'''))
def ipaplatform_tasks_transform():
return AstroidBuilder(MANAGER).string_build(textwrap.dedent('''
from ipaplatform.base.tasks import tasks
__all__ = ('tasks',)
'''))
register_module_extender(MANAGER, 'ipaplatform.constants',
ipaplatform_constants_transform)
register_module_extender(MANAGER, 'ipaplatform.paths',
ipaplatform_paths_transform)
register_module_extender(MANAGER, 'ipaplatform.services',
ipaplatform_services_transform)
register_module_extender(MANAGER, 'ipaplatform.tasks',
ipaplatform_tasks_transform)
class IPAChecker(BaseChecker):
__implements__ = IAstroidChecker
name = 'ipa'
msgs = {
'W9901': (
'Forbidden import %s (can\'t import from %s in %s)',
'ipa-forbidden-import',
'Used when an forbidden import is detected.',
),
}
options = (
(
'forbidden-imports',
{
'default': '',
'type': 'csv',
'metavar': '<path>[:<module>[:<module>...]][,<path>...]',
'help': 'Modules which are forbidden to be imported in the '
'given paths',
},
),
)
priority = -1
def open(self):
self._dir = os.path.abspath(os.path.dirname(__file__))
self._forbidden_imports = {self._dir: []}
for forbidden_import in self.config.forbidden_imports:
forbidden_import = forbidden_import.split(':')
path = os.path.join(self._dir, forbidden_import[0])
path = os.path.abspath(path)
modules = forbidden_import[1:]
self._forbidden_imports[path] = modules
self._forbidden_imports_stack = []
def _get_forbidden_import_rule(self, node):
path = node.path
if path and isinstance(path, list):
# In pylint 2.0, path is a list with one element. Namespace
# packages may contain more than one element, but we can safely
# ignore them, as they don't contain code.
path = path[0]
if path:
path = os.path.abspath(path)
while path.startswith(self._dir):
if path in self._forbidden_imports:
return path
path = os.path.dirname(path)
return self._dir
def visit_module(self, node):
self._forbidden_imports_stack.append(
self._get_forbidden_import_rule(node))
def leave_module(self, node):
self._forbidden_imports_stack.pop()
def _check_forbidden_imports(self, node, names):
path = self._forbidden_imports_stack[-1]
relpath = os.path.relpath(path, self._dir)
modules = self._forbidden_imports[path]
for module in modules:
module_prefix = module + '.'
for name in names:
if name == module or name.startswith(module_prefix):
self.add_message('ipa-forbidden-import',
args=(name, module, relpath), node=node)
@check_messages('ipa-forbidden-import')
def visit_import(self, node):
names = [n[0] for n in node.names]
self._check_forbidden_imports(node, names)
@check_messages('ipa-forbidden-import')
def visit_importfrom(self, node):
names = ['{}.{}'.format(node.modname, n[0]) for n in node.names]
self._check_forbidden_imports(node, names)
#
# Teach pylint how api object works
#
# ipalib uses some tricks to create api.env members and api objects. pylint
# is not able to infer member names and types from code. The explict
# assignments inside the string builder templates are good enough to show
# pylint, how the api is created. Additional transformations are not
# required.
#
AstroidBuilder(MANAGER).string_build(textwrap.dedent(
"""
from ipalib import api
from ipalib import cli, plugable, rpc
from ipalib.base import NameSpace
from ipaclient.plugins import rpcclient
try:
from ipaserver.plugins import dogtag, ldap2, serverroles
except ImportError:
HAS_SERVER = False
else:
HAS_SERVER = True
def wildcard(*args, **kwargs):
return None
# ipalib.api members
api.Backend = plugable.APINameSpace(api, None)
api.Command = plugable.APINameSpace(api, None)
api.Method = plugable.APINameSpace(api, None)
api.Object = plugable.APINameSpace(api, None)
api.Updater = plugable.APINameSpace(api, None)
# ipalib.api.Backend members
api.Backend.cli = cli.cli(api)
api.Backend.textui = cli.textui(api)
api.Backend.jsonclient = rpc.jsonclient(api)
api.Backend.rpcclient = rpcclient.rpcclient(api)
api.Backend.xmlclient = rpc.xmlclient(api)
if HAS_SERVER:
api.Backend.kra = dogtag.kra(api)
api.Backend.ldap2 = ldap2.ldap2(api)
api.Backend.ra = dogtag.ra(api)
api.Backend.ra_certprofile = dogtag.ra_certprofile(api)
api.Backend.ra_lightweight_ca = dogtag.ra_lightweight_ca(api)
api.Backend.serverroles = serverroles.serverroles(api)
# ipalib.base.NameSpace
NameSpace.find = wildcard
"""
))
AstroidBuilder(MANAGER).string_build(textwrap.dedent(
"""
from ipalib import api
from ipapython.dn import DN
api.env.api_version = ''
api.env.bin = '' # object
api.env.ca_agent_install_port = None
api.env.ca_agent_port = 0
api.env.ca_ee_install_port = None
api.env.ca_ee_port = 0
api.env.ca_host = ''
api.env.ca_install_port = None
api.env.ca_port = 0
api.env.conf = '' # object
api.env.conf_default = '' # object
api.env.confdir = '' # object
api.env.container_accounts = DN()
api.env.container_adtrusts = DN()
api.env.container_applications = DN()
api.env.container_automember = DN()
api.env.container_automount = DN()
api.env.container_ca = DN()
api.env.container_ca_renewal = DN()
api.env.container_caacl = DN()
api.env.container_certmap = DN()
api.env.container_certmaprules = DN()
api.env.container_certprofile = DN()
api.env.container_cifsdomains = DN()
api.env.container_configs = DN()
api.env.container_custodia = DN()
api.env.container_deleteuser = DN()
api.env.container_dna = DN()
api.env.container_dna_posix_ids = DN()
api.env.container_dns = DN()
api.env.container_dnsservers = DN()
api.env.container_group = DN()
api.env.container_hbac = DN()
api.env.container_hbacservice = DN()
api.env.container_hbacservicegroup = DN()
api.env.container_host = DN()
api.env.container_hostgroup = DN()
api.env.container_locations = DN()
api.env.container_masters = DN()
api.env.container_netgroup = DN()
api.env.container_otp = DN()
api.env.container_permission = DN()
api.env.container_policies = DN()
api.env.container_policygroups = DN()
api.env.container_policylinks = DN()
api.env.container_privilege = DN()
api.env.container_radiusproxy = DN()
api.env.container_ranges = DN()
api.env.container_realm_domains = DN()
api.env.container_rolegroup = DN()
api.env.container_roles = DN()
api.env.container_s4u2proxy = DN()
api.env.container_selinux = DN()
api.env.container_service = DN()
api.env.container_stageuser = DN()
api.env.container_sudocmd = DN()
api.env.container_sudocmdgroup = DN()
api.env.container_sudorule = DN()
api.env.container_sysaccounts = DN()
api.env.container_topology = DN()
api.env.container_trusts = DN()
api.env.container_user = DN()
api.env.container_vault = DN()
api.env.container_views = DN()
api.env.container_virtual = DN()
api.env.context = '' # object
api.env.debug = False
api.env.delegate = False
api.env.dogtag_version = 0
api.env.dot_ipa = '' # object
api.env.enable_ra = False
api.env.env_confdir = None
api.env.fallback = True
api.env.force_schema_check = False
api.env.home = '' # object
api.env.host = ''
api.env.http_timeout = 0
api.env.in_server = False # object
api.env.in_tree = False # object
api.env.interactive = True
api.env.ipalib = '' # object
api.env.kinit_lifetime = None
api.env.lite_pem = ''
api.env.lite_profiler = ''
api.env.lite_host = ''
api.env.lite_port = 0
api.env.log = '' # object
api.env.logdir = '' # object
api.env.mode = ''
api.env.mount_ipa = ''
api.env.nss_dir = '' # object
api.env.plugins_on_demand = False # object
api.env.prompt_all = False
api.env.ra_plugin = ''
api.env.recommended_max_agmts = 0
api.env.replication_wait_timeout = 0
api.env.rpc_protocol = ''
api.env.server = ''
api.env.script = '' # object
api.env.site_packages = '' # object
api.env.skip_version_check = False
api.env.startup_timeout = 0
api.env.startup_traceback = False
api.env.tls_ca_cert = '' # object
api.env.tls_version_max = ''
api.env.tls_version_min = ''
api.env.validate_api = False
api.env.verbose = 0
api.env.version = ''
api.env.wait_for_dns = 0
api.env.webui_prod = True
"""
))