Fix and add flake8.

.travis.yml

@@ -18,14 +18,15 @@ virtualenv:
 install:
   - sudo apt-get install -y git pylint pep8 python3-pyqt5
   - pip install nose nose-exclude nosexcover pyflakes
+  - pip install --upgrade flake8
 
 before_script:
   - echo "Build starting on " `date`
   - export PYTHONPATH=`pwd`
 
 script:
   - xvfb-run --server-args="-screen 0, 1024x768x24" nosetests -v --with-id --with-xcoverage --with-xunit --verbose --cover-package=.
-  - make pep8
+  - make flake8
 
 after_success:
   - pip install coveralls

Makefile

@@ -1,14 +1,14 @@
 PROJECT_NAME = PARAMETERS
 BUILD_DIRECTORY = ../build_$(PROJECT_NAME)
 
-# Run pep8 style checking
-#http://pypi.python.org/pypi/pep8
-pep8:
+# Run flake8 style checking
+flake8:
 	@echo
 	@echo "-----------"
-	@echo "PEP8 issues"
+	@echo "Flake8 issues"
 	@echo "-----------"
-	@pep8 --repeat --ignore=E203,E121,E122,E123,E124,E125,E126,E127,E128,E402 . || true
+	@python3 -m flake8 --version
+	@python3 -m flake8 || true
 
 # Run entire test suite
 test_suite:

parameters/qt_widgets/group_parameter_widget.py

@@ -50,7 +50,8 @@ def __init__(self, parameter, parent=None):
         self.main_layout.addLayout(self._group_layout)
 
         # Why are we doing imports here? TS
-        from parameters.qt_widgets.parameter_container import ParameterContainer
+        from parameters.qt_widgets.parameter_container import (
+            ParameterContainer)
 
         self.param_container = ParameterContainer(
             parameters=self._parameter.value)

parameters/qt_widgets/parameter_container.py

@@ -11,7 +11,6 @@
     QFrame,
     QHBoxLayout
 )
-from PyQt5.QtGui import QColor
 
 from parameters.parameter_exceptions import InvalidValidationException
 from parameters.qt_widgets.qt5_parameter_factory import Qt5ParameterFactory
@@ -190,21 +189,9 @@ def setup_ui(self, must_scroll=True):
                     self.qt5_parameter_factory.register_widget(
                         extra_parameter[0], extra_parameter[1])
 
-        color_odd = QColor(220, 220, 220)
-        color_even = QColor(192, 192, 192)
-
-        i = 0
         for parameter in parameters:
             parameter_widget = self.qt5_parameter_factory.get_widget(parameter)
-            if i % 2:
-                color = color_even
-            else:
-                color = color_odd
-            i += 1
             parameter_widget.setAutoFillBackground(True)
-            # palette = parameter_widget.palette()
-            # palette.setColor(parameter_widget.backgroundRole(), color)
-            # parameter_widget.setPalette(palette)
             self.vertical_layout.addWidget(parameter_widget)
 
         self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)

parameters/qt_widgets/test/main.py

@@ -4,7 +4,8 @@
 import sys
 from functools import partial
 
-from PyQt5.QtWidgets import QApplication, QWidget, QGridLayout, QPushButton, QMessageBox
+from PyQt5.QtWidgets import (
+    QApplication, QWidget, QGridLayout, QPushButton, QMessageBox)
 
 from parameters.boolean_parameter import BooleanParameter
 from parameters.dict_parameter import DictParameter
@@ -54,11 +55,11 @@ def validate_min_max(parent_container):
 
         if min_value > max_value:
             print('Not valid')
+            message = ('Your minimum value (%d) should be less than your '
+                       'maximum value (%d)' % (min_value, max_value))
             return {
                 'valid': False,
-                'message': (
-                        'Your minimum value (%d) should be less than your maximum '
-                        'value (%d)' % (min_value, max_value))
+                'message': message
             }
         print('Valid')
         return {'valid': True, 'message': ''}

parameters/unit.py

@@ -180,8 +180,8 @@ def serialize(self):
             'plural': self.plural,
             'abbreviation': self.abbreviation,
             'help_text': self.help_text,
-            'description': self.description,
-            }
+            'description': self.description
+        }
 
     def __str__(self):
         return self.name