def __init__(self, parent=None, active_project_callback=None):
"""
Configuration manager to provide access to user/site/project config.
"""
path = self.get_user_config_path()
if not osp.isdir(path):
os.makedirs(path)
# Site configuration defines the system defaults if a file
# is found in the site location
conf_paths = get_conf_paths()
site_defaults = DEFAULTS
for conf_path in reversed(conf_paths):
conf_fpath = os.path.join(conf_path, 'spyder.ini')
if os.path.isfile(conf_fpath):
site_config = UserConfig(
'spyder',
path=conf_path,
defaults=site_defaults,
load=False,
version=CONF_VERSION,
backup=False,
raw_mode=True,
remove_obsolete=False,
)
site_defaults = site_config.to_list()
self._parent = parent
self._active_project_callback = active_project_callback
self._user_config = MultiUserConfig(
NAME_MAP,
path=path,
defaults=site_defaults,
load=True,
version=CONF_VERSION,
backup=True,
raw_mode=True,
remove_obsolete=False,
)
# Store plugin configurations when CONF_FILE = True
self._plugin_configs = {}
# TODO: To be implemented in following PR
self._project_configs = {} # Cache project configurations
# Setup
self.remove_deprecated_config_locations()
def test_site_config_load():
"""
Test that the site/system config preferences are loaded with correct
precedence.
"""
clear_site_config()
for i, path in enumerate(reversed(get_conf_paths())):
exp_value = 100 * (1 + i)
content = '[main]\nmemory_usage/timeout = ' + str(exp_value) + '\n'
conf_fpath = os.path.join(path, 'spyder.ini')
with open(conf_fpath, 'w') as fh:
fh.write(content)
config = ConfigurationManager()
config.reset_to_defaults()
value = config.get('main', 'memory_usage/timeout')
print(path, value, exp_value)
assert value == exp_value
clear_site_config()
def clear_site_config():
"""Delete all test site config folders."""
for path in get_conf_paths():
shutil.rmtree(path)
def __init__(self, parent=None, active_project_callback=None):
"""
Configuration manager to provide access to user/site/project config.
"""
path = self.get_user_config_path()
if not osp.isdir(path):
os.makedirs(path)
# Site configuration defines the system defaults if a file
# is found in the site location
conf_paths = get_conf_paths()
site_defaults = DEFAULTS
for conf_path in reversed(conf_paths):
conf_fpath = os.path.join(conf_path, 'spyder.ini')
if os.path.isfile(conf_fpath):
site_config = UserConfig(
'spyder',
path=conf_path,
defaults=site_defaults,
load=False,
version=CONF_VERSION,
backup=False,
raw_mode=True,
remove_obsolete=False,
)
site_defaults = site_config.to_list()
self._parent = parent
self._active_project_callback = active_project_callback
self._user_config = MultiUserConfig(
NAME_MAP,
path=path,
defaults=site_defaults,
load=True,
version=CONF_VERSION,
backup=True,
raw_mode=True,
remove_obsolete=False,
)
# Store plugin configurations when CONF_FILE = True
self._plugin_configs = {}
# TODO: To be implemented in following PR
self._project_configs = {} # Cache project configurations
# Object observer map
# This dict maps from a configuration key (str/tuple) to a set
# of objects that should be notified on changes to the corresponding
# subscription key per section. The observer objects must be hashable.
#
# type: Dict[ConfigurationKey, Dict[str, Set[ConfigurationObserver]]]
self._observers = {}
# Set of suscription keys per observer object
# This dict maps from a observer object to the set of configuration
# keys that the object is subscribed to per section.
#
# type: Dict[ConfigurationObserver, Dict[str, Set[ConfigurationKey]]]
self._observer_map_keys = weakref.WeakKeyDictionary()
# Setup
self.remove_deprecated_config_locations()
def main():
"""
Start Spyder application.
If single instance mode is turned on (default behavior) and an instance of
Spyder is already running, this will just parse and send command line
options to the application.
"""
# Parse command line options
options, args = (CLI_OPTIONS, CLI_ARGS)
# This is to allow reset without reading our conf file
if options.reset_config_files:
# <!> Remove all configuration files!
reset_config_files()
return
from spyder.config.manager import CONF
# Store variable to be used in self.restart (restart spyder instance)
os.environ['SPYDER_ARGS'] = str(sys.argv[1:])
#==========================================================================
# Proper high DPI scaling is available in Qt >= 5.6.0. This attribute must
# be set before creating the application.
#==========================================================================
if CONF.get('main', 'high_dpi_custom_scale_factor'):
factors = str(CONF.get('main', 'high_dpi_custom_scale_factors'))
f = list(filter(None, factors.split(';')))
if len(f) == 1:
os.environ['QT_SCALE_FACTOR'] = f[0]
else:
os.environ['QT_SCREEN_SCALE_FACTORS'] = factors
else:
os.environ['QT_SCALE_FACTOR'] = ''
os.environ['QT_SCREEN_SCALE_FACTORS'] = ''
if sys.platform == 'darwin':
# Fixes launching issues with Big Sur (spyder-ide/spyder#14222)
os.environ['QT_MAC_WANTS_LAYER'] = '1'
# Prevent Spyder from crashing in macOS if locale is not defined
LANG = os.environ.get('LANG')
LC_ALL = os.environ.get('LC_ALL')
if bool(LANG) and not bool(LC_ALL):
LC_ALL = LANG
elif not bool(LANG) and bool(LC_ALL):
LANG = LC_ALL
else:
LANG = LC_ALL = 'en_US.UTF-8'
os.environ['LANG'] = LANG
os.environ['LC_ALL'] = LC_ALL
# Don't show useless warning in the terminal where Spyder
# was started.
# See spyder-ide/spyder#3730.
os.environ['EVENT_NOKQUEUE'] = '1'
else:
# Prevent our kernels to crash when Python fails to identify
# the system locale.
# Fixes spyder-ide/spyder#7051.
try:
from locale import getlocale
getlocale()
except ValueError:
# This can fail on Windows. See spyder-ide/spyder#6886.
try:
os.environ['LANG'] = 'C'
os.environ['LC_ALL'] = 'C'
except Exception:
pass
if options.debug_info:
levels = {'minimal': '2', 'verbose': '3'}
os.environ['SPYDER_DEBUG'] = levels[options.debug_info]
if options.paths:
from spyder.config.base import get_conf_paths
sys.stdout.write('\nconfig:' + '\n')
for path in reversed(get_conf_paths()):
sys.stdout.write('\t' + path + '\n')
sys.stdout.write('\n' )
return
if (CONF.get('main', 'single_instance') and not options.new_instance
and not options.reset_config_files
and not running_in_mac_app()):
# Minimal delay (0.1-0.2 secs) to avoid that several
# instances started at the same time step in their
# own foots while trying to create the lock file
time.sleep(random.randrange(1000, 2000, 90)/10000.)
# Lock file creation
lock_file = get_conf_path('spyder.lock')
lock = lockfile.FilesystemLock(lock_file)
# Try to lock spyder.lock. If it's *possible* to do it, then
# there is no previous instance running and we can start a
# new one. If *not*, then there is an instance already
# running, which is locking that file
try:
lock_created = lock.lock()
except:
# If locking fails because of errors in the lockfile
# module, try to remove a possibly stale spyder.lock.
# This is reported to solve all problems with lockfile.
# See spyder-ide/spyder#2363.
try:
if os.name == 'nt':
if osp.isdir(lock_file):
import shutil
shutil.rmtree(lock_file, ignore_errors=True)
else:
if osp.islink(lock_file):
os.unlink(lock_file)
except:
pass
# Then start Spyder as usual and *don't* continue
# executing this script because it doesn't make
# sense
from spyder.app import mainwindow
if running_under_pytest():
return mainwindow.main(options, args)
else:
mainwindow.main(options, args)
return
if lock_created:
# Start a new instance
from spyder.app import mainwindow
if running_under_pytest():
return mainwindow.main(options, args)
else:
mainwindow.main(options, args)
else:
# Pass args to Spyder or print an informative
# message
if args:
send_args_to_spyder(args)
else:
print("Spyder is already running. If you want to open a new \n"
"instance, please pass to it the --new-instance option")
else:
from spyder.app import mainwindow
if running_under_pytest():
return mainwindow.main(options, args)
else:
mainwindow.main(options, args)