PlanemoLintBear.py: Add linter bear for planemo

Added a linter bear for planemo lint
Used `planemo lint` command

Closes #1321

bears/planemo/PlanemoLintBear.py

@@ -0,0 +1,42 @@
+import os
+import shlex
+
+from coalib.bearlib.abstractions.Linter import linter
+from dependency_management.requirements.PipRequirement import PipRequirement
+from coalib.results.RESULT_SEVERITY import RESULT_SEVERITY
+from coalib.settings.Setting import typed_list
+
+
+@linter(executable='planemo',
+        output_format='regex',
+        output_regex=r'..\s(?P<severity>\w*:)(?P<message>.*)',
+        severity_map={'WARNING:': RESULT_SEVERITY.MAJOR,
+                      'CHECK:': RESULT_SEVERITY.NORMAL,
+                      'INFO:': RESULT_SEVERITY.INFO})
+class PlanemoLintBear:
+    """
+    Checks the code with pylint. This will run pylint over each file
+    separately.
+    """
+    LANGUAGES = {'Python', 'Python 2', 'Python 3'}
+    REQUIREMENTS = {PipRequirement('pylint', '1.6')}
+    AUTHORS = {'The coala developers'}
+    AUTHORS_EMAILS = {'[email protected]'}
+    LICENSE = 'AGPL-3.0'
+    CAN_DETECT = {'Unused Code', 'Formatting', 'Duplication', 'Security',
+                  'Syntax'}
+
+    @staticmethod
+    def create_arguments(filename, file, config_file,):
+        """
+        :param pylint_disable:     Disable the message, report, category or
+                                   checker with the given id(s).
+        :param pylint_enable:      Enable the message, report, category or
+                                   checker with the given id(s).
+        :param pylint_cli_options: Any command line options you wish to be
+                                   passed to pylint.
+        :param pylint_rcfile:      The rcfile for PyLint.
+        """
+        args = ('lint',)
+
+        return args + (filename,)