Tighten up PyLint directives again

ci/other/pylintrc

@@ -83,24 +83,15 @@ enable=indexing-exception,old-raise-syntax,undefined-variable
 # no Warning level messages displayed, use"--disable=all --enable=classes
 # --disable=W"
 disable=
-    design,
-    similarities,
     no-self-use,
     attribute-defined-outside-init,
-    locally-disabled,
-    star-args,
-    pointless-except,
     bad-option-value,
     global-statement,
     fixme,
-    suppressed-message,
-    useless-suppression,
-    locally-enabled,
     no-member,
     no-name-in-module,
     import-error,
     unsubscriptable-object,
-    unbalanced-tuple-unpacking,
     protected-access,
     superfluous-parens,
     invalid-name,
@@ -111,15 +102,18 @@ disable=
     chained-comparison,
     consider-using-dict-comprehension,
     consider-using-set-comprehension,
-    invalid-envvar-default,
-    singleton-comparison,
     try-except-raise,
     useless-object-inheritance,
-    useless-return,
     c-extension-no-member,
     deprecated-lambda,
     redefined-builtin,
-    unexpected-keyword-arg
+    too-few-public-methods,
+    too-many-arguments,
+    too-many-branches,
+    too-many-instance-attributes,
+    too-many-locals,
+    too-many-public-methods,
+    too-many-statements
 
 # disable=unicode-builtin,delslice-method,using-cmp-argument,setslice-method,dict-view-method,parameter-unpacking,range-builtin-not-iterating,print-statement,file-builtin,old-raise-syntax,basestring-builtin,execfile-builtin,indexing-exception,import-star-module-level,coerce-method,long-builtin,old-ne-operator,old-division,no-absolute-import,raw_input-builtin,old-octal-literal,oct-method,xrange-builtin,hex-method,unpacking-in-except,nonzero-method,raising-string,intern-builtin,reload-builtin,metaclass-assignment,cmp-method,filter-builtin-not-iterating,apply-builtin,map-builtin-not-iterating,next-method-called,unichr-builtin,buffer-builtin,dict-iter-method,input-builtin,coerce-builtin,getslice-method,useless-suppression,standarderror-builtin,zip-builtin-not-iterating,suppressed-message,cmp-builtin,backtick,long-suffix,reduce-builtin,round-builtin
 

python/mxnet/base.py

@@ -574,7 +574,7 @@ def _get_op_name_prefix(op_name):
     return ""
 
 
-# pylint: enable=too-many-locals, invalid-name
+# pylint: enable=invalid-name
 def _init_op_module(root_namespace, module_name, make_op_func):
     """
     Registers op functions created by `make_op_func` under

python/mxnet/executor_manager.py

@@ -127,7 +127,7 @@ def _bind_exec(sym, ctx, input_shapes, param_names, need_grad=False,
     assert(arg_types is not None)
 
     arg_arrays = []
-    grad_arrays = {} if need_grad != False else None
+    grad_arrays = {} if need_grad is not False else None
 
     arg_names = sym.list_arguments()
 

python/mxnet/gluon/rnn/rnn_cell.py

@@ -252,14 +252,12 @@ def unroll(self, length, inputs, begin_state=None, layout='NTC', merge_outputs=N
     #pylint: disable=no-self-use
     def _get_activation(self, F, inputs, activation, **kwargs):
         """Get activation function. Convert if is string"""
-        if activation == 'tanh':
-            return F.tanh(inputs, **kwargs)
-        elif activation == 'sigmoid':
-            return F.sigmoid(inputs, **kwargs)
-        elif activation == 'relu':
-            return F.relu(inputs, **kwargs)
-        elif activation == 'softsign':
-            return F.softsign(inputs, **kwargs)
+        func = {'tanh': F.tanh,
+                'relu': F.relu,
+                'sigmoid': F.sigmoid,
+                'softsign': F.softsign}.get(activation)
+        if func:
+            return func(inputs, **kwargs)
         elif isinstance(activation, string_types):
             return F.Activation(inputs, act_type=activation, **kwargs)
         elif isinstance(activation, LeakyReLU):

python/mxnet/image/detection.py

@@ -308,8 +308,7 @@ def _random_crop_proposal(self, label, height, width):
                 h -= 1
                 w = int(round(h * ratio))
                 area = w * h
-            if (area < min_area or area > max_area or w > width or h > height \
-                or w <= 0 or h <= 0):
+            if not (min_area <= area <= max_area and 0 <= w <= width and 0 <= h <= height):
                 continue
 
             y = random.randint(0, max(0, height - h))

python/mxnet/model.py

@@ -132,7 +132,7 @@ def _update_params_on_kvstore_nccl(param_arrays, grad_arrays, kvstore, param_nam
     size = len(valid_grad_arrays)
     start = 0
     # Use aggregation by default only with NCCL
-    default_batch = 16
+    default_batch = '16'
     batch = int(os.getenv('MXNET_UPDATE_AGGREGATION_SIZE', default_batch))
     while start < size:
         end = start + batch if start + batch < size else size
@@ -378,7 +378,6 @@ def _train_multi_device(symbol, ctx, arg_names, param_names, aux_names,
                 _multiple_callbacks(eval_end_callback, eval_end_params)
             eval_data.reset()
     # end of all epochs
-    return
 
 
 def save_checkpoint(prefix, epoch, symbol, arg_params, aux_params):

python/mxnet/ndarray/register.py

@@ -26,6 +26,7 @@
 from ..base import mx_uint, check_call, _LIB, py_str, _init_op_module, _Null # pylint: disable=unused-import
 
 
+# pylint: disable=too-many-locals
 def _generate_ndarray_function_code(handle, name, func_name, signature_only=False):
     """Generate function for ndarray op by handle and function name."""
     real_name = ctypes.c_char_p()

python/mxnet/symbol/symbol.py

@@ -1285,6 +1285,7 @@ def _get_ndarray_inputs(arg_key, args, arg_names, allow_missing):
             raise TypeError('Only accept list of NDArrays or dict of str to NDArray')
         return c_array(NDArrayHandle, arg_handles), arg_arrays
 
+    # pylint: disable=too-many-locals
     def simple_bind(self, ctx, grad_req='write', type_dict=None, stype_dict=None,
                     group2ctx=None, shared_arg_names=None, shared_exec=None,
                     shared_buffer=None, **kwargs):

python/mxnet/util.py

@@ -27,4 +27,4 @@ def makedirs(d):
         from distutils.dir_util import mkpath
         mkpath(d)
     else:
-        os.makedirs(d, exist_ok=True)
+        os.makedirs(d, exist_ok=True)  # pylint: disable=unexpected-keyword-arg

python/setup.py

@@ -20,6 +20,8 @@
 from __future__ import absolute_import
 import os
 import sys
+
+from setuptools import find_packages
 # need to use distutils.core for correct placement of cython dll
 kwargs = {}
 if "--inplace" in sys.argv:
@@ -29,7 +31,6 @@
     from setuptools import setup
     from setuptools.extension import Extension
     kwargs = {'install_requires': ['numpy<=1.15.0,>=1.8.2', 'requests<2.19.0,>=2.18.4', 'graphviz<0.9.0,>=0.8.1'], 'zip_safe': False}
-from setuptools import find_packages
 
 with_cython = False
 if '--with-cython' in sys.argv: