PR: Change from pep8 to pycodestyle for style analysis

conda.recipe/meta.yaml

@@ -26,7 +26,7 @@ requirements:
     - nbconvert
     - pygments >=2.0
     - sphinx
-    - pep8
+    - pycodestyle
     - psutil
     - pylint
     - qtawesome >=0.4.1

continuous_integration/circle/install.sh

@@ -7,7 +7,7 @@ if [ "$CIRCLE_NODE_INDEX" = "3" ]; then
     export CONDA_DEPENDENCIES=""
 else
     export CONDA_DEPENDENCIES_FLAGS="--quiet"
-    export CONDA_DEPENDENCIES="rope pyflakes sphinx pygments pylint pep8 psutil nbconvert \
+    export CONDA_DEPENDENCIES="rope pyflakes sphinx pygments pylint pycodestyle psutil nbconvert \
                                qtawesome pickleshare qtpy pyzmq chardet mock nomkl pandas \
                                pytest pytest-cov numpydoc scipy cython"
     export PIP_DEPENDENCIES="coveralls pytest-qt pytest-xvfb flaky jedi"

continuous_integration/conda-recipes/spyder/meta.yaml

@@ -28,7 +28,7 @@ requirements:
     - nbconvert
     - pygments
     - sphinx
-    - pep8
+    - pycodestyle
     - psutil
     - pylint
     - qtawesome >=0.4.1

create_app.py

@@ -91,7 +91,7 @@ def get_stdlib_modules():
 shutil.copyfile('scripts/spyder', APP_MAIN_SCRIPT)
 
 APP = [APP_MAIN_SCRIPT]
-DEPS = ['pylint', 'logilab', 'astroid', 'pep8', 'setuptools']
+DEPS = ['pylint', 'logilab', 'astroid', 'pycodestyle', 'setuptools']
 EXCLUDES = DEPS + ['mercurial']
 PACKAGES = ['spyder', 'spyder_breakpoints', 'spyder_io_dcm', 'spyder_io_hdf5',
             'spyder_profiler', 'spyder_pylint', 'sphinx', 'jinja2', 'docutils',
@@ -157,7 +157,7 @@ def get_stdlib_modules():
     shutil.copytree(osp.join(app_python_lib, p), osp.join(minimal_lib, p))
 
 # Add necessary Python programs to the app
-PROGRAMS = ['pylint', 'pep8']
+PROGRAMS = ['pylint', 'pycodestyle']
 system_progs = [find_program(p) for p in PROGRAMS]
 progs_dest = [resources + osp.sep + p for p in PROGRAMS]
 for i in range(len(PROGRAMS)):

doc/installation.rst

@@ -175,7 +175,7 @@ The requirements to run Spyder are:
 
 * `Pylint <http://www.logilab.org/project/pylint>`_  -- for static code analysis.
 
-* `Pep8 <https://pypi.python.org/pypi/pep8>`_ -- for style analysis.
+* `Pycodestyle <https://pypi.python.org/pypi/pycodestyle>`_ -- for style analysis.
 
 * `Psutil <http://code.google.com/p/psutil/>`_  -- for memory/CPU usage in the status
   bar.

setup.py

@@ -278,7 +278,7 @@ def run(self):
     'qtconsole>=4.2.0',
     'nbconvert',
     'sphinx',
-    'pep8',
+    'pycodestyle',
     'pylint',
     'psutil',
     'qtawesome>=0.4.1',

spyder/plugins/editor.py

@@ -237,8 +237,8 @@ def setup_page(self):
                                     codeanalysis.PYFLAKES_REQVER)
         pep8_box = newcb(_("Real-time code style analysis"),
                       'code_analysis/pep8', default=False,
-                      tip=_("<p>If enabled, Python source code will be analyzed"
-                            "using pep8, lines that are not following PEP8 "
+                      tip=_("<p>If enabled, Python source code will be analyzed "
+                            "using pycodestyle, lines that are not following PEP8 "
                             "style guide will be highlighted.</p>"
                             "<p><u>Note</u>: add <b>analysis:ignore</b> in "
                             "a comment to ignore style analysis "

spyder/utils/codeanalysis.py

@@ -91,9 +91,9 @@ def check_with_pyflakes(source_code, filename=None):
 dependencies.add("pyflakes", _("Real-time code analysis on the Editor"),
                  required_version=PYFLAKES_REQVER)
 
-PEP8_REQVER = '>=0.6'
-dependencies.add("pep8", _("Real-time code style analysis on the Editor"),
-                 required_version=PEP8_REQVER)
+PYCODESTYLE_REQVER = '>=2.3'
+dependencies.add("pycodestyle", _("Real-time code style analysis on the Editor"),
+                 required_version=PYCODESTYLE_REQVER)
 
 
 def is_pyflakes_installed():
@@ -117,7 +117,7 @@ def get_checker_executable(name):
             return [sys.executable, path1]
         elif path2 is not None:  # checker.py is available
             # Checker package is available but its script has not been
-            # installed (this works with pep8 but not with pyflakes)
+            # installed (this works with pycodestyle but not with pyflakes)
             return [sys.executable, path2]
 
 
@@ -129,7 +129,7 @@ def check(args, source_code, filename=None, options=None):
     if options is not None:
         args += options
     if any(['pyflakes' in arg for arg in args]):
-        #  Pyflakes requires an ending new line (pep8 don't! -- see Issue 1123)
+        #  Pyflakes requires an ending new line (pycodestyle don't! -- see Issue 1123)
         #  Note: this code is not used right now as it is faster to invoke 
         #  pyflakes in current Python interpreter (see `check_with_pyflakes` 
         #  function above) than calling it through a subprocess
@@ -165,9 +165,9 @@ def check(args, source_code, filename=None, options=None):
 
 
 def check_with_pep8(source_code, filename=None):
-    """Check source code with pep8"""
+    """Check source code with pycodestyle"""
     try:
-        args = get_checker_executable('pep8')
+        args = get_checker_executable('pycodestyle')
         results = check(args, source_code, filename=filename, options=['-r'])
     except Exception:
         # Never return None to avoid lock in spyder/widgets/editor.py

spyder/widgets/editor.py

@@ -199,7 +199,7 @@ def run_code_analysis(self, run_pyflakes, run_pep8):
         """Run code analysis"""
         run_pyflakes = run_pyflakes and codeanalysis.is_pyflakes_installed()
         run_pep8 = run_pep8 and\
-                   codeanalysis.get_checker_executable('pep8') is not None
+                   codeanalysis.get_checker_executable('pycodestyle') is not None
         self.pyflakes_results = []
         self.pep8_results = []
         if self.editor.is_python():