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# -*- coding: utf-8 -*-
"""Common development tasks for setup.py to use."""
import re
import subprocess
import sys
from setuptools import Command
class BaseCommand(Command, object):
"""The base command for project tasks."""
user_options = []
default_cmd_options = ('verbose', 'quiet', 'dry_run')
def __init__(self, *args, **kwargs):
super(BaseCommand, self).__init__(*args, **kwargs)
self.verbose = False
def initialize_options(self):
"""Override the distutils abstract method."""
pass
def finalize_options(self):
"""Override the distutils abstract method."""
# Distutils uses incrementing integers for verbosity.
self.verbose = bool(self.verbose)
def call_and_exit(self, cmd, shell=True):
"""Run the *cmd* and exit with the proper exit code."""
sys.exit(subprocess.call(cmd, shell=shell))
def call_in_sequence(self, cmds, shell=True):
"""Run multiple commmands in a row, exiting if one fails."""
for cmd in cmds:
if subprocess.call(cmd, shell=shell) == 1:
sys.exit(1)
def apply_options(self, cmd, options=()):
"""Apply command-line options."""
for option in (self.default_cmd_options + options):
cmd = self.apply_option(cmd, option,
active=getattr(self, option, False))
return cmd
def apply_option(self, cmd, option, active=True):
"""Apply a command-line option."""
return re.sub(r'{{{}\:(?P<option>[^}}]*)}}'.format(option),
r'\g<option>' if active else '', cmd)
class lint(BaseCommand):
"""A PEP 8 lint command that optionally fixes violations."""
description = 'check code against PEP 8 (and fix violations)'
user_options = [
('branch=', 'b', 'branch or revision to compare against (e.g. master)'),
('fix', 'f', 'fix the violations in place')
]
def initialize_options(self):
"""Set the default options."""
self.branch = 'master'
self.fix = False
super(lint, self).initialize_options()
def run(self):
"""Run the linter."""
cmd = 'pep8radius {branch} {{fix: --in-place}}{{verbose: -vv}}'
cmd = cmd.format(branch=self.branch)
self.call_and_exit(self.apply_options(cmd, ('fix', )))
class test(BaseCommand):
"""Run the test suites for this project."""
description = 'run the test suite'
user_options = [
('all', 'a', 'test against all supported versions of Python'),
('coverage', 'c', 'measure test coverage')
]
unit_test_cmd = ('pytest{quiet: -q}{verbose: -v}{dry_run: --setup-only}'
'{coverage: --cov-report= --cov=cli_helpers}')
test_all_cmd = 'tox{verbose: -v}{dry_run: --notest}'
coverage_cmd = 'coverage report'
def initialize_options(self):
"""Set the default options."""
self.all = False
self.coverage = False
super(test, self).initialize_options()
def run(self):
"""Run the test suites."""
if self.all:
cmd = self.apply_options(self.test_all_cmd)
self.call_and_exit(cmd)
else:
cmds = (self.apply_options(self.unit_test_cmd, ('coverage', )), )
if self.coverage:
cmds += (self.apply_options(self.coverage_cmd), )
self.call_in_sequence(cmds)
class docs(BaseCommand):
"""Use Sphinx Makefile to generate documentation."""
description = 'generate the Sphinx HTML documentation'
clean_docs_cmd = 'make -C docs clean'
html_docs_cmd = 'make -C docs html'
view_docs_cmd = 'open docs/build/html/index.html'
def run(self):
"""Generate and view the documentation."""
cmds = (self.clean_docs_cmd, self.html_docs_cmd, self.view_docs_cmd)
self.call_in_sequence(cmds)
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