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Fixed #29560 -- Added --force-color management command option.

This commit is contained in:
Hasan Ramezani 2018-07-22 21:41:47 +04:30 committed by Tim Graham
parent de8eb07c7a
commit 5195b99e2c
6 changed files with 103 additions and 47 deletions
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18
django/core/management/base.py
View File

@ -95,7 +95,7 @@ class DjangoHelpFormatter(HelpFormatter):
"""
show_last = {
'--version', '--verbosity', '--traceback', '--settings', '--pythonpath',
'--no-color',
'--no-color', '--force_color',
}
def _reordered_actions(self, actions):
@ -227,13 +227,15 @@ class BaseCommand:
# Command-specific options not defined by the argument parser.
stealth_options = ()
def __init__(self, stdout=None, stderr=None, no_color=False):
def __init__(self, stdout=None, stderr=None, no_color=False, force_color=False):
self.stdout = OutputWrapper(stdout or sys.stdout)
self.stderr = OutputWrapper(stderr or sys.stderr)
if no_color and force_color:
raise CommandError("'no_color' and 'force_color' can't be used together.")
if no_color:
self.style = no_style()
else:
self.style = color_style()
self.style = color_style(force_color)
self.stderr.style_func = self.style.ERROR
def get_version(self):
@ -280,6 +282,10 @@ class BaseCommand:
'--no-color', action='store_true',
help="Don't colorize the command output.",
)
parser.add_argument(
'--force-color', action='store_true',
help='Force colorization of the command output.',
)
self.add_arguments(parser)
return parser
@ -339,7 +345,11 @@ class BaseCommand:
controlled by the ``requires_system_checks`` attribute, except if
force-skipped).
"""
if options['no_color']:
if options['force_color'] and options['no_color']:
raise CommandError("The --no-color and --force-color options can't be used together.")
if options['force_color']:
self.style = color_style(force_color=True)
elif options['no_color']:
self.style = no_style()
self.stderr.style_func = None
if options.get('stdout'):

4
django/core/management/color.py
View File

@ -64,10 +64,10 @@ def no_style():
return make_style('nocolor')
def color_style():
def color_style(force_color=False):
"""
Return a Style object from the Django color scheme.
"""
if not supports_color():
if not force_color and not supports_color():
return no_style()
return make_style(os.environ.get('DJANGO_COLORS', ''))

10
docs/ref/django-admin.txt
View File

@ -1657,6 +1657,14 @@ Example usage::
django-admin runserver --no-color
.. django-admin-option:: --force-color
.. versionadded:: 2.2
Forces colorization of the command output if it would otherwise be disabled
as discussed in :ref:`syntax-coloring`. For example, you may want to pipe
colored output to another command.
Extra niceties
==============
@ -1668,7 +1676,7 @@ Syntax coloring
The ``django-admin`` / ``manage.py`` commands will use pretty
color-coded output if your terminal supports ANSI-colored output. It
won't use the color codes if you're piping the command's output to
another program.
another program unless the :option:`--force-color` option is used.
Under Windows, the native console doesn't support ANSI escape sequences so by
default there is no color output. But you can install the `ANSICON`_

3
docs/releases/2.2.txt
View File

@ -170,7 +170,8 @@ Internationalization
Management Commands
~~~~~~~~~~~~~~~~~~~
* ...
* The new :option:`--force-color` option forces colorization of the command
output.
Migrations
~~~~~~~~~~

103
tests/admin_scripts/tests.py
View File

@ -40,7 +40,7 @@ custom_templates_dir = os.path.join(os.path.dirname(__file__), 'custom_templates
SYSTEM_CHECK_MSG = 'System check identified no issues'
class AdminScriptTestCase(unittest.TestCase):
class AdminScriptTestCase(SimpleTestCase):
@classmethod
def setUpClass(cls):
@ -970,9 +970,9 @@ class ManageAlternateSettings(AdminScriptTestCase):
out, err = self.run_manage(args)
self.assertOutput(
out,
"EXECUTE: noargs_command options=[('no_color', False), "
"('pythonpath', None), ('settings', 'alternate_settings'), "
"('traceback', False), ('verbosity', 1)]"
"EXECUTE: noargs_command options=[('force_color', False), "
"('no_color', False), ('pythonpath', None), ('settings', "
"'alternate_settings'), ('traceback', False), ('verbosity', 1)]"
)
self.assertNoOutput(err)
@ -982,9 +982,9 @@ class ManageAlternateSettings(AdminScriptTestCase):
out, err = self.run_manage(args, 'alternate_settings')
self.assertOutput(
out,
"EXECUTE: noargs_command options=[('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), "
"('verbosity', 1)]"
"EXECUTE: noargs_command options=[('force_color', False), "
"('no_color', False), ('pythonpath', None), ('settings', None), "
"('traceback', False), ('verbosity', 1)]"
)
self.assertNoOutput(err)
@ -994,9 +994,9 @@ class ManageAlternateSettings(AdminScriptTestCase):
out, err = self.run_manage(args)
self.assertOutput(
out,
"EXECUTE: noargs_command options=[('no_color', True), "
"('pythonpath', None), ('settings', 'alternate_settings'), "
"('traceback', False), ('verbosity', 1)]"
"EXECUTE: noargs_command options=[('force_color', False), "
"('no_color', True), ('pythonpath', None), ('settings', "
"'alternate_settings'), ('traceback', False), ('verbosity', 1)]"
)
self.assertNoOutput(err)
@ -1425,7 +1425,7 @@ class ManageTestserver(AdminScriptTestCase):
'blah.json',
stdout=out, settings=None, pythonpath=None, verbosity=1,
traceback=False, addrport='', no_color=False, use_ipv6=False,
skip_checks=True, interactive=True,
skip_checks=True, interactive=True, force_color=False,
)
@mock.patch('django.db.connection.creation.create_test_db', return_value='test_db')
@ -1436,6 +1436,7 @@ class ManageTestserver(AdminScriptTestCase):
call_command('testserver', 'blah.json', stdout=out)
mock_runserver_handle.assert_called_with(
addrport='',
force_color=False,
insecure_serving=False,
no_color=False,
pythonpath=None,
@ -1578,6 +1579,34 @@ class CommandTypes(AdminScriptTestCase):
self.assertEqual(out.getvalue(), 'Hello, world!\n')
self.assertEqual(err.getvalue(), 'Hello, world!\n')
def test_force_color_execute(self):
out = StringIO()
err = StringIO()
with mock.patch.object(sys.stdout, 'isatty', lambda: False):
command = ColorCommand(stdout=out, stderr=err)
call_command(command, force_color=True)
self.assertEqual(out.getvalue(), '\x1b[31;1mHello, world!\n\x1b[0m')
self.assertEqual(err.getvalue(), '\x1b[31;1mHello, world!\n\x1b[0m')
def test_force_color_command_init(self):
out = StringIO()
err = StringIO()
with mock.patch.object(sys.stdout, 'isatty', lambda: False):
command = ColorCommand(stdout=out, stderr=err, force_color=True)
call_command(command)
self.assertEqual(out.getvalue(), '\x1b[31;1mHello, world!\n\x1b[0m')
self.assertEqual(err.getvalue(), '\x1b[31;1mHello, world!\n\x1b[0m')
def test_no_color_force_color_mutually_exclusive_execute(self):
msg = "The --no-color and --force-color options can't be used together."
with self.assertRaisesMessage(CommandError, msg):
call_command(BaseCommand(), no_color=True, force_color=True)
def test_no_color_force_color_mutually_exclusive_command_init(self):
msg = "'no_color' and 'force_color' can't be used together."
with self.assertRaisesMessage(CommandError, msg):
call_command(BaseCommand(no_color=True, force_color=True))
def test_custom_stdout(self):
class Command(BaseCommand):
requires_system_checks = False
@ -1655,9 +1684,10 @@ class CommandTypes(AdminScriptTestCase):
expected_out = (
"EXECUTE:BaseCommand labels=%s, "
"options=[('no_color', False), ('option_a', %s), ('option_b', %s), "
"('option_c', '3'), ('pythonpath', None), ('settings', None), "
"('traceback', False), ('verbosity', 1)]") % (labels, option_a, option_b)
"options=[('force_color', False), ('no_color', False), "
"('option_a', %s), ('option_b', %s), ('option_c', '3'), "
"('pythonpath', None), ('settings', None), ('traceback', False), "
"('verbosity', 1)]") % (labels, option_a, option_b)
self.assertNoOutput(err)
self.assertOutput(out, expected_out)
@ -1731,9 +1761,9 @@ class CommandTypes(AdminScriptTestCase):
self.assertNoOutput(err)
self.assertOutput(
out,
"EXECUTE: noargs_command options=[('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), "
"('verbosity', 1)]"
"EXECUTE: noargs_command options=[('force_color', False), "
"('no_color', False), ('pythonpath', None), ('settings', None), "
"('traceback', False), ('verbosity', 1)]"
)
def test_noargs_with_args(self):
@ -1750,8 +1780,9 @@ class CommandTypes(AdminScriptTestCase):
self.assertOutput(out, "EXECUTE:AppCommand name=django.contrib.auth, options=")
self.assertOutput(
out,
", options=[('no_color', False), ('pythonpath', None), "
"('settings', None), ('traceback', False), ('verbosity', 1)]"
", options=[('force_color', False), ('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), "
"('verbosity', 1)]"
)
def test_app_command_no_apps(self):
@ -1768,14 +1799,16 @@ class CommandTypes(AdminScriptTestCase):
self.assertOutput(out, "EXECUTE:AppCommand name=django.contrib.auth, options=")
self.assertOutput(
out,
", options=[('no_color', False), ('pythonpath', None), "
"('settings', None), ('traceback', False), ('verbosity', 1)]"
", options=[('force_color', False), ('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), "
"('verbosity', 1)]"
)
self.assertOutput(out, "EXECUTE:AppCommand name=django.contrib.contenttypes, options=")
self.assertOutput(
out,
", options=[('no_color', False), ('pythonpath', None), "
"('settings', None), ('traceback', False), ('verbosity', 1)]"
", options=[('force_color', False), ('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), "
"('verbosity', 1)]"
)
def test_app_command_invalid_app_label(self):
@ -1797,8 +1830,9 @@ class CommandTypes(AdminScriptTestCase):
self.assertNoOutput(err)
self.assertOutput(
out,
"EXECUTE:LabelCommand label=testlabel, options=[('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), ('verbosity', 1)]"
"EXECUTE:LabelCommand label=testlabel, options=[('force_color', "
"False), ('no_color', False), ('pythonpath', None), ('settings', "
"None), ('traceback', False), ('verbosity', 1)]"
)
def test_label_command_no_label(self):
@ -1814,13 +1848,15 @@ class CommandTypes(AdminScriptTestCase):
self.assertNoOutput(err)
self.assertOutput(
out,
"EXECUTE:LabelCommand label=testlabel, options=[('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), ('verbosity', 1)]"
"EXECUTE:LabelCommand label=testlabel, options=[('force_color', "
"False), ('no_color', False), ('pythonpath', None), "
"('settings', None), ('traceback', False), ('verbosity', 1)]"
)
self.assertOutput(
out,
"EXECUTE:LabelCommand label=anotherlabel, options=[('no_color', False), "
"('pythonpath', None), ('settings', None), ('traceback', False), ('verbosity', 1)]"
"EXECUTE:LabelCommand label=anotherlabel, options=[('force_color', "
"False), ('no_color', False), ('pythonpath', None), "
"('settings', None), ('traceback', False), ('verbosity', 1)]"
)
@ -1894,10 +1930,11 @@ class ArgumentOrder(AdminScriptTestCase):
self.assertNoOutput(err)
self.assertOutput(
out,
"EXECUTE:BaseCommand labels=('testlabel',), options=[('no_color', False), "
"('option_a', 'x'), ('option_b', %s), ('option_c', '3'), "
"('pythonpath', None), ('settings', 'alternate_settings'), "
"('traceback', False), ('verbosity', 1)]" % option_b
"EXECUTE:BaseCommand labels=('testlabel',), options=["
"('force_color', False), ('no_color', False), ('option_a', 'x'), "
"('option_b', %s), ('option_c', '3'), ('pythonpath', None), "
"('settings', 'alternate_settings'), ('traceback', False), "
"('verbosity', 1)]" % option_b
)

12
tests/user_commands/tests.py
View File

@ -179,18 +179,18 @@ class CommandTests(SimpleTestCase):
def test_call_command_unrecognized_option(self):
msg = (
'Unknown option(s) for dance command: unrecognized. Valid options '
'are: example, help, integer, no_color, opt_3, option3, '
'pythonpath, settings, skip_checks, stderr, stdout, style, '
'traceback, verbosity, version.'
'are: example, force_color, help, integer, no_color, opt_3, '
'option3, pythonpath, settings, skip_checks, stderr, stdout, '
'style, traceback, verbosity, version.'
)
with self.assertRaisesMessage(TypeError, msg):
management.call_command('dance', unrecognized=1)
msg = (
'Unknown option(s) for dance command: unrecognized, unrecognized2. '
'Valid options are: example, help, integer, no_color, opt_3, '
'option3, pythonpath, settings, skip_checks, stderr, stdout, '
'style, traceback, verbosity, version.'
'Valid options are: example, force_color, help, integer, no_color, '
'opt_3, option3, pythonpath, settings, skip_checks, stderr, '
'stdout, style, traceback, verbosity, version.'
)
with self.assertRaisesMessage(TypeError, msg):
management.call_command('dance', unrecognized=1, unrecognized2=1)