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 = get_options()
# 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 attibute 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'))
os.environ['QT_SCREEN_SCALE_FACTORS'] = factors
else:
os.environ['QT_SCREEN_SCALE_FACTORS'] = ''
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 issue 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
mainwindow.main()
return
if lock_created:
# Start a new instance
from spyder.app import mainwindow
mainwindow.main()
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
mainwindow.main()
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
if running_under_pytest():
try:
from unittest.mock import Mock
except ImportError:
from mock import Mock # Python 2
options = Mock()
options.new_instance = False
options.reset_config_files = False
args = None
else:
options, args = get_options()
# 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 attibute 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':
# 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 issue 3730
os.environ['EVENT_NOKQUEUE'] = '1'
else:
# Prevent our kernels to crash when Python fails to identify
# the system locale.
# Fixes issue 7051.
try:
from locale import getlocale
getlocale()
except ValueError:
# This can fail on Windows. See issue 6886
try:
os.environ['LANG'] = 'C'
os.environ['LC_ALL'] = 'C'
except Exception:
pass
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 issue 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()
else:
mainwindow.main()
return
if lock_created:
# Start a new instance
from spyder.app import mainwindow
if running_under_pytest():
return mainwindow.main()
else:
mainwindow.main()
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()
else:
mainwindow.main()
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.
"""
# Renaming old configuration files (the '.' prefix has been removed)
# (except for .spyder.ini --> spyder.ini, which is done in config/user.py)
if DEV is None:
cpath = get_conf_path()
for fname in os.listdir(cpath):
if fname.startswith('.'):
old, new = osp.join(cpath, fname), osp.join(cpath, fname[1:])
try:
os.rename(old, new)
except OSError:
pass
# Parse command line options
options, args = get_options()
# Store variable to be used in self.restart (restart spyder instance)
os.environ['SPYDER_ARGS'] = str(sys.argv[1:])
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 issue 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
mainwindow.main()
return
if lock_created:
# Start a new instance
from spyder.app import mainwindow
mainwindow.main()
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
mainwindow.main()
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]
_filename = 'spyder-debug.log'
if options.debug_output == 'file':
_filepath = osp.realpath(_filename)
else:
_filepath = get_conf_path(_filename)
os.environ['SPYDER_DEBUG_FILE'] = _filepath
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 use the --new-instance option")
else:
from spyder.app import mainwindow
if running_under_pytest():
return mainwindow.main(options, args)
else:
mainwindow.main(options, args)
