function() - Code Metrics - Inspection of "rplugin: conditionally enable nested notifications" - neovim/python-client - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Pull Request — master (#262)

by Björn
created 2017-11-08 17:48 UTC
function() C

↳ Parent: Project
Complexity

Conditions
Size

Total Lines
Duplication

Lines	29
Ratio	100 %
Code Coverage

Tests	2
CRAP Score	39.826
Importance

Changes
Metric	Value
cc	7
dl	29
loc	29
ccs	2
cts	16
cp	0.125
crap	39.826
rs	5.5
c	0
b	0
f	0
"""Decorators used by python host plugin system."""

import inspect
import logging

from ..compat import IS_PYTHON3, unicode_errors_default

logger = logging.getLogger(__name__)
debug, info, warn = (logger.debug, logger.info, logger.warning,)
__all__ = ('plugin', 'rpc_export', 'command', 'autocmd', 'function',
           'encoding', 'decode', 'shutdown_hook')


def plugin(cls):
    """Tag a class as a plugin.

    This decorator is required to make the a class methods discoverable by the
    plugin_load method of the host.
    """
    cls._nvim_plugin = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
    # the _nvim_bind attribute is set to True by default, meaning that
    # decorated functions have a bound Nvim instance as first argument.
    # For methods in a plugin-decorated class this is not required, because
    # the class initializer will already receive the nvim object.
    predicate = lambda fn: hasattr(fn, '_nvim_bind')
    for _, fn in inspect.getmembers(cls, predicate):
        if IS_PYTHON3:
            fn._nvim_bind = False
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        else:
            fn.im_func._nvim_bind = False
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
    return cls


def rpc_export(rpc_method_name, sync=False):
    """Export a function or plugin method as a msgpack-rpc request handler."""
    def dec(f):
        f._nvim_rpc_method_name = rpc_method_name
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_rpc_sync = sync
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_bind = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_prefix_plugin_path = False
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        return f
    return dec


def command(name, nargs=0, complete=None, range=None, count=None, bang=False,

            register=False, sync=False, allow_nested=False, eval=None):

    """Tag a function or plugin method as a Nvim command handler."""
    def dec(f):
        f._nvim_rpc_method_name = 'command:{}'.format(name)
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_rpc_sync = sync
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_bind = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_prefix_plugin_path = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent

        opts = {}

        if range is not None:
            opts['range'] = '' if range is True else str(range)
        elif count:
            opts['count'] = count

        if bang:
            opts['bang'] = ''

        if register:
            opts['register'] = ''

        if nargs:
            opts['nargs'] = nargs

        if complete:
            opts['complete'] = complete

        if eval:
            opts['eval'] = eval

        if not sync and allow_nested:
            rpc_sync = "urgent"
        else:
            rpc_sync = sync

        f._nvim_rpc_spec = {
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
            'type': 'command',
            'name': name,
            'sync': rpc_sync,
            'opts': opts
        }
        return f
    return dec


def autocmd(name, pattern='*', sync=False, allow_nested=False, eval=None):

    """Tag a function or plugin method as a Nvim autocommand handler."""
    def dec(f):
        f._nvim_rpc_method_name = 'autocmd:{}:{}'.format(name, pattern)
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_rpc_sync = sync
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_bind = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_prefix_plugin_path = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent

        opts = {
            'pattern': pattern
        }

        if eval:
            opts['eval'] = eval

        if not sync and allow_nested:
            rpc_sync = "urgent"
        else:
            rpc_sync = sync

        f._nvim_rpc_spec = {
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
            'type': 'autocmd',
            'name': name,
            'sync': rpc_sync,
            'opts': opts
        }
        return f
    return dec


def function(name, range=False, sync=False, allow_nested=False, eval=None):

    """Tag a function or plugin method as a Nvim function handler."""
    def dec(f):
        f._nvim_rpc_method_name = 'function:{}'.format(name)
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_rpc_sync = sync
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_bind = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        f._nvim_prefix_plugin_path = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent

        opts = {}

        if range:
            opts['range'] = '' if range is True else str(range)

        if eval:
            opts['eval'] = eval

        if not sync and allow_nested:
            rpc_sync = "urgent"
        else:
            rpc_sync = sync

        f._nvim_rpc_spec = {
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
            'type': 'function',
            'name': name,
            'sync': rpc_sync,
            'opts': opts
        }
        return f
    return dec


def shutdown_hook(f):
    """Tag a function or method as a shutdown hook."""
    f._nvim_shutdown_hook = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
    f._nvim_bind = True
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
    return f


def decode(mode=unicode_errors_default):
    """Configure automatic encoding/decoding of strings."""
    def dec(f):
        f._nvim_decode = mode
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        return f
    return dec


def encoding(encoding=True):
param = 5

class Foo:
    def __init__(self, param):   # "param" would be flagged here
        self.param = param
    """DEPRECATED: use neovim.decode()."""
    if isinstance(encoding, str):
        encoding = True

    def dec(f):
        f._nvim_decode = encoding
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
        return f
    return dec

neovim / python-client

Pull Request — master (#262)

function() C

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