def main(
# pylint: disable=too-many-locals,too-many-return-statements
# pylint: disable=too-many-branches,too-many-statements
):
"""initialize objects and run the filemanager"""
import ranger.api
from ranger.container.settings import Settings
from ranger.core.shared import FileManagerAware, SettingsAware
from ranger.core.fm import FM
from ranger.ext.logutils import setup_logging
from ranger.ext.openstruct import OpenStruct
ranger.args = args = parse_arguments()
ranger.arg = OpenStruct(args.__dict__) # COMPAT
setup_logging(debug=args.debug, logfile=args.logfile)
for line in VERSION_MSG:
LOG.info(line)
LOG.info('Process ID: %s', os.getpid())
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
print("Warning: Unable to set locale. Expect encoding problems.")
# so that programs can know that ranger spawned them:
level = 'RANGER_LEVEL'
if level in os.environ and os.environ[level].isdigit():
os.environ[level] = str(int(os.environ[level]) + 1)
else:
os.environ[level] = '1'
if 'SHELL' not in os.environ:
os.environ['SHELL'] = 'sh'
LOG.debug("cache dir: '%s'", args.cachedir)
LOG.debug("config dir: '%s'", args.confdir)
LOG.debug("data dir: '%s'", args.datadir)
if args.copy_config is not None:
fm = FM()
fm.copy_config_files(args.copy_config)
return 0
if args.list_tagged_files:
if args.clean:
print("Can't access tag data in clean mode", file=sys.stderr)
return 1
fm = FM()
try:
if sys.version_info[0] >= 3:
fobj = open(fm.datapath('tagged'), 'r', errors='replace')
else:
fobj = open(fm.datapath('tagged'), 'r')
except OSError as ex:
print('Unable to open `tagged` data file: {0}'.format(ex),
file=sys.stderr)
return 1
for line in fobj.readlines():
if len(line) > 2 and line[1] == ':':
if line[0] in args.list_tagged_files:
sys.stdout.write(line[2:])
elif line and '*' in args.list_tagged_files:
sys.stdout.write(line)
return 0
SettingsAware.settings_set(Settings())
# TODO: deprecate --selectfile
if args.selectfile:
args.selectfile = os.path.abspath(args.selectfile)
args.paths.insert(0, os.path.dirname(args.selectfile))
paths = get_paths(args)
paths_inaccessible = []
for path in paths:
try:
path_abs = os.path.abspath(path)
except OSError:
paths_inaccessible += [path]
continue
if not os.access(path_abs, os.F_OK):
paths_inaccessible += [path]
if paths_inaccessible:
print('Inaccessible paths: {0}'.format(', '.join(paths_inaccessible)),
file=sys.stderr)
return 1
profile = None
exit_msg = ''
exit_code = 0
try: # pylint: disable=too-many-nested-blocks
# Initialize objects
fm = FM(paths=paths)
FileManagerAware.fm_set(fm)
load_settings(fm, args.clean)
if args.show_only_dirs:
from ranger.container.directory import InodeFilterConstants
fm.settings.global_inode_type_filter = InodeFilterConstants.DIRS
if args.list_unused_keys:
from ranger.ext.keybinding_parser import (special_keys,
reversed_special_keys)
maps = fm.ui.keymaps['browser']
for key in sorted(special_keys.values(), key=str):
if key not in maps:
print("<%s>" % reversed_special_keys[key])
for key in range(33, 127):
if key not in maps:
print(chr(key))
return 0
if not sys.stdin.isatty():
sys.stderr.write("Error: Must run ranger from terminal\n")
raise SystemExit(1)
if fm.username == 'root':
fm.settings.preview_files = False
fm.settings.use_preview_script = False
LOG.info("Running as root, disabling the file previews.")
if not args.debug:
from ranger.ext import curses_interrupt_handler
curses_interrupt_handler.install_interrupt_handler()
if not args.clean:
# Create data directory
if not os.path.exists(args.datadir):
os.makedirs(args.datadir)
# Restore saved tabs
tabs_datapath = fm.datapath('tabs')
if fm.settings.save_tabs_on_exit and os.path.exists(
tabs_datapath) and not args.paths:
try:
with open(tabs_datapath, 'r') as fobj:
tabs_saved = fobj.read().partition('\0\0')
fm.start_paths += tabs_saved[0].split('\0')
if tabs_saved[-1]:
with open(tabs_datapath, 'w') as fobj:
fobj.write(tabs_saved[-1])
else:
os.remove(tabs_datapath)
except OSError as ex:
LOG.error('Unable to restore saved tabs')
LOG.exception(ex)
# Run the file manager
fm.initialize()
ranger.api.hook_init(fm)
fm.ui.initialize()
if args.selectfile:
fm.select_file(args.selectfile)
if args.cmd:
fm.enter_dir(fm.thistab.path)
for command in args.cmd:
fm.execute_console(command)
if int(os.environ[level]) > 1:
warning = 'Warning:'
nested_warning = "You're in a nested ranger instance!"
warn_when_nested = fm.settings.nested_ranger_warning.lower()
if warn_when_nested == 'true':
fm.notify(' '.join((warning, nested_warning)), bad=False)
elif warn_when_nested == 'error':
fm.notify(' '.join((warning.upper(), nested_warning + '!!')),
bad=True)
if ranger.args.profile:
import cProfile
import pstats
ranger.__fm = fm # pylint: disable=protected-access
profile_file = tempfile.gettempdir() + '/ranger_profile'
cProfile.run('ranger.__fm.loop()', profile_file)
profile = pstats.Stats(profile_file, stream=sys.stderr)
else:
fm.loop()
except Exception: # pylint: disable=broad-except
import traceback
ex_traceback = traceback.format_exc()
exit_msg += '\n'.join(VERSION_MSG) + '\n'
try:
exit_msg += "Current file: {0}\n".format(repr(fm.thisfile.path))
except Exception: # pylint: disable=broad-except
pass
exit_msg += '''
{0}
ranger crashed. Please report this traceback at:
https://github.com/ranger/ranger/issues
'''.format(ex_traceback)
exit_code = 1
except SystemExit as ex:
if ex.code is not None:
if not isinstance(ex.code, int):
exit_msg = ex.code
exit_code = 1
else:
exit_code = ex.code
finally:
if exit_msg:
LOG.critical(exit_msg)
try:
fm.ui.destroy()
except (AttributeError, NameError):
pass
# If profiler is enabled print the stats
if ranger.args.profile and profile:
profile.strip_dirs().sort_stats('cumulative').print_callees()
# print the exit message if any
if exit_msg:
sys.stderr.write(exit_msg)
return exit_code # pylint: disable=lost-exception
def main(
# pylint: disable=too-many-locals,too-many-return-statements
# pylint: disable=too-many-branches,too-many-statements
):
"""initialize objects and run the filemanager"""
import locale
import ranger.api
from ranger.container.settings import Settings
from ranger.core.shared import FileManagerAware, SettingsAware
from ranger.core.fm import FM
from ranger.ext.logutils import setup_logging
from ranger.ext.openstruct import OpenStruct
ranger.args = args = parse_arguments()
ranger.arg = OpenStruct(args.__dict__) # COMPAT
setup_logging(debug=args.debug, logfile=args.logfile)
LOG.info("Ranger version %s", __version__)
LOG.info('Running on Python ' + sys.version.replace('\n', ''))
LOG.info("Process ID is %s", os.getpid())
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
print("Warning: Unable to set locale. Expect encoding problems.")
# so that programs can know that ranger spawned them:
level = 'RANGER_LEVEL'
if level in os.environ and os.environ[level].isdigit():
os.environ[level] = str(int(os.environ[level]) + 1)
else:
os.environ[level] = '1'
if 'SHELL' not in os.environ:
os.environ['SHELL'] = 'sh'
LOG.debug("config dir: '%s'", args.confdir)
LOG.debug("cache dir: '%s'", args.cachedir)
if args.copy_config is not None:
fm = FM()
fm.copy_config_files(args.copy_config)
return 0
if args.list_tagged_files:
fm = FM()
try:
if sys.version_info[0] >= 3:
fobj = open(fm.confpath('tagged'), 'r', errors='replace')
else:
fobj = open(fm.confpath('tagged'), 'r')
except OSError:
pass
else:
for line in fobj.readlines():
if len(line) > 2 and line[1] == ':':
if line[0] in args.list_tagged_files:
sys.stdout.write(line[2:])
elif line and '*' in args.list_tagged_files:
sys.stdout.write(line)
return 0
SettingsAware.settings_set(Settings())
if args.selectfile:
args.selectfile = os.path.abspath(args.selectfile)
args.paths.insert(0, os.path.dirname(args.selectfile))
paths = args.paths or ['.']
paths_inaccessible = []
for path in paths:
try:
path_abs = os.path.abspath(path)
except OSError:
paths_inaccessible += [path]
continue
if not os.access(path_abs, os.F_OK):
paths_inaccessible += [path]
if paths_inaccessible:
print("Inaccessible paths: %s" % paths)
return 1
profile = None
exit_msg = ''
exit_code = 0
try:
# Initialize objects
fm = FM(paths=paths)
FileManagerAware.fm_set(fm)
load_settings(fm, args.clean)
if args.list_unused_keys:
from ranger.ext.keybinding_parser import (special_keys,
reversed_special_keys)
maps = fm.ui.keymaps['browser']
for key in sorted(special_keys.values(), key=str):
if key not in maps:
print("<%s>" % reversed_special_keys[key])
for key in range(33, 127):
if key not in maps:
print(chr(key))
return 0
if not sys.stdin.isatty():
sys.stderr.write("Error: Must run ranger from terminal\n")
raise SystemExit(1)
if fm.username == 'root':
fm.settings.preview_files = False
fm.settings.use_preview_script = False
LOG.info("Running as root, disabling the file previews.")
if not args.debug:
from ranger.ext import curses_interrupt_handler
curses_interrupt_handler.install_interrupt_handler()
# Create cache directory
if fm.settings.preview_images and fm.settings.use_preview_script:
if not os.path.exists(args.cachedir):
os.makedirs(args.cachedir)
# Run the file manager
fm.initialize()
ranger.api.hook_init(fm)
fm.ui.initialize()
if args.selectfile:
fm.select_file(args.selectfile)
if args.cmd:
for command in args.cmd:
fm.execute_console(command)
if ranger.args.profile:
import cProfile
import pstats
ranger.__fm = fm # pylint: disable=protected-access
profile_file = tempfile.gettempdir() + '/ranger_profile'
cProfile.run('ranger.__fm.loop()', profile_file)
profile = pstats.Stats(profile_file, stream=sys.stderr)
else:
fm.loop()
except Exception: # pylint: disable=broad-except
import traceback
exit_msg += '''\
ranger version: {0}
Python version: {1}
Locale: {2}
'''.format(ranger.__version__,
sys.version.split()[0],
'.'.join(str(s) for s in locale.getlocale()))
try:
exit_msg += "Current file: '{0}'\n".format(fm.thisfile.path)
except AttributeError:
pass
exit_msg += '''
{0}
ranger crashed. Please report this traceback at:
https://github.com/hut/ranger/issues
'''.format(traceback.format_exc())
exit_code = 1
except SystemExit as ex:
if ex.code is not None:
if not isinstance(ex.code, int):
exit_msg = ex.code
exit_code = 1
else:
exit_code = ex.code
finally:
if exit_msg:
LOG.critical(exit_msg)
try:
fm.ui.destroy()
except (AttributeError, NameError):
pass
# If profiler is enabled print the stats
if ranger.args.profile and profile:
profile.strip_dirs().sort_stats('cumulative').print_callees()
# print the exit message if any
if exit_msg:
sys.stderr.write(exit_msg)
return exit_code # pylint: disable=lost-exception
def main(
# pylint: disable=too-many-locals,too-many-return-statements
# pylint: disable=too-many-branches,too-many-statements
):
"""initialize objects and run the filemanager"""
import ranger.api
from ranger.container.settings import Settings
from ranger.core.shared import FileManagerAware, SettingsAware
from ranger.core.fm import FM
from ranger.ext.logutils import setup_logging
from ranger.ext.openstruct import OpenStruct
ranger.args = args = parse_arguments()
ranger.arg = OpenStruct(args.__dict__) # COMPAT
setup_logging(debug=args.debug, logfile=args.logfile)
for line in VERSION_MSG:
LOG.info(line)
LOG.info('Process ID: %s', os.getpid())
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
print("Warning: Unable to set locale. Expect encoding problems.")
# so that programs can know that ranger spawned them:
level = 'RANGER_LEVEL'
if level in os.environ and os.environ[level].isdigit():
os.environ[level] = str(int(os.environ[level]) + 1)
else:
os.environ[level] = '1'
if 'SHELL' not in os.environ:
os.environ['SHELL'] = 'sh'
LOG.debug("cache dir: '%s'", args.cachedir)
LOG.debug("config dir: '%s'", args.confdir)
LOG.debug("data dir: '%s'", args.datadir)
if args.copy_config is not None:
fm = FM()
fm.copy_config_files(args.copy_config)
return 0
if args.list_tagged_files:
if args.clean:
print("Can't access tag data in clean mode", file=sys.stderr)
return 1
fm = FM()
try:
if sys.version_info[0] >= 3:
fobj = open(fm.datapath('tagged'), 'r', errors='replace')
else:
fobj = open(fm.datapath('tagged'), 'r')
except OSError as ex:
print('Unable to open `tagged` data file: {0}'.format(ex), file=sys.stderr)
return 1
for line in fobj.readlines():
if len(line) > 2 and line[1] == ':':
if line[0] in args.list_tagged_files:
sys.stdout.write(line[2:])
elif line and '*' in args.list_tagged_files:
sys.stdout.write(line)
return 0
SettingsAware.settings_set(Settings())
if args.selectfile:
args.selectfile = os.path.abspath(args.selectfile)
args.paths.insert(0, os.path.dirname(args.selectfile))
if args.paths:
paths = [p[7:] if p.startswith('file:///') else p for p in args.paths]
else:
paths = [os.environ.get('PWD', os.getcwd())]
paths_inaccessible = []
for path in paths:
try:
path_abs = os.path.abspath(path)
except OSError:
paths_inaccessible += [path]
continue
if not os.access(path_abs, os.F_OK):
paths_inaccessible += [path]
if paths_inaccessible:
print('Inaccessible paths: {0}'.format(paths), file=sys.stderr)
return 1
profile = None
exit_msg = ''
exit_code = 0
try: # pylint: disable=too-many-nested-blocks
# Initialize objects
fm = FM(paths=paths)
FileManagerAware.fm_set(fm)
load_settings(fm, args.clean)
if args.show_only_dirs:
from ranger.container.directory import InodeFilterConstants
fm.settings.global_inode_type_filter = InodeFilterConstants.DIRS
if args.list_unused_keys:
from ranger.ext.keybinding_parser import (special_keys,
reversed_special_keys)
maps = fm.ui.keymaps['browser']
for key in sorted(special_keys.values(), key=str):
if key not in maps:
print("<%s>" % reversed_special_keys[key])
for key in range(33, 127):
if key not in maps:
print(chr(key))
return 0
if not sys.stdin.isatty():
sys.stderr.write("Error: Must run ranger from terminal\n")
raise SystemExit(1)
if fm.username == 'root':
fm.settings.preview_files = False
fm.settings.use_preview_script = False
LOG.info("Running as root, disabling the file previews.")
if not args.debug:
from ranger.ext import curses_interrupt_handler
curses_interrupt_handler.install_interrupt_handler()
# Create cache directory
if fm.settings.preview_images and fm.settings.use_preview_script:
if not os.path.exists(args.cachedir):
os.makedirs(args.cachedir)
if not args.clean:
# Create data directory
if not os.path.exists(args.datadir):
os.makedirs(args.datadir)
# Restore saved tabs
tabs_datapath = fm.datapath('tabs')
if fm.settings.save_tabs_on_exit and os.path.exists(tabs_datapath) and not args.paths:
try:
with open(tabs_datapath, 'r') as fobj:
tabs_saved = fobj.read().partition('\0\0')
fm.start_paths += tabs_saved[0].split('\0')
if tabs_saved[-1]:
with open(tabs_datapath, 'w') as fobj:
fobj.write(tabs_saved[-1])
else:
os.remove(tabs_datapath)
except OSError as ex:
LOG.error('Unable to restore saved tabs')
LOG.exception(ex)
# Run the file manager
fm.initialize()
ranger.api.hook_init(fm)
fm.ui.initialize()
if args.selectfile:
fm.select_file(args.selectfile)
if args.cmd:
for command in args.cmd:
fm.execute_console(command)
if ranger.args.profile:
import cProfile
import pstats
ranger.__fm = fm # pylint: disable=protected-access
profile_file = tempfile.gettempdir() + '/ranger_profile'
cProfile.run('ranger.__fm.loop()', profile_file)
profile = pstats.Stats(profile_file, stream=sys.stderr)
else:
fm.loop()
except Exception: # pylint: disable=broad-except
import traceback
ex_traceback = traceback.format_exc()
exit_msg += '\n'.join(VERSION_MSG) + '\n'
try:
exit_msg += "Current file: {0}\n".format(repr(fm.thisfile.path))
except Exception: # pylint: disable=broad-except
pass
exit_msg += '''
{0}
ranger crashed. Please report this traceback at:
https://github.com/ranger/ranger/issues
'''.format(ex_traceback)
exit_code = 1
except SystemExit as ex:
if ex.code is not None:
if not isinstance(ex.code, int):
exit_msg = ex.code
exit_code = 1
else:
exit_code = ex.code
finally:
if exit_msg:
LOG.critical(exit_msg)
try:
fm.ui.destroy()
except (AttributeError, NameError):
pass
# If profiler is enabled print the stats
if ranger.args.profile and profile:
profile.strip_dirs().sort_stats('cumulative').print_callees()
# print the exit message if any
if exit_msg:
sys.stderr.write(exit_msg)
return exit_code # pylint: disable=lost-exception
def main():
"""Launches ranger in a new pane, optionally driving pane animation."""
ranger_script_path = util.get_ranger_script()
# Initiate ranger just enough to allow us to access the settings
ranger.args = parse_arguments()
fm = FM()
SettingsAware.settings_set(Settings())
FileManagerAware.fm_set(fm)
ranger.core.main.load_settings(fm, clean=False)
# Check we're actually in tmux
if not util.check_tmux(fm):
sys.exit()
# Check if we need to animate the drop
animate = fm.settings.get("tmux_dropdown_animate")
duration = fm.settings.get("tmux_dropdown_duration")
pane_id, command, pid = util.tmux(
"display", "-t", "{top}", "-p",
"#{pane_id}|#{pane_start_command}|#{pane_pid}").split("|")
# Ranger is open - we will close it
if command == f"{sys.executable} {ranger_script_path} -- .":
# Animate close if wanted
if animate:
animated_resize(pane_id, 0, duration)
# Get a handel on ranger
process = psutil.Process(int(pid))
# Send interupt to ranger to cancel any unfinished command entry
process.send_signal(signal.SIGINT)
# Ask ranger to quit nicely
util.tmux("send-keys", "-t", pane_id, "Q")
# Give range half a second to quit before vicously killing it
dead, alive = psutil.wait_procs([process], timeout=0.5)
for p in alive:
p.kill()
# Ranger is not open - we will open it
else:
# Load ranger pane height from ranger settings
percent = fm.settings.get("tmux_dropdown_percent")
# Make initial size smaller if we're going to animate
initial_size = "1" if animate else f"{percent}%"
# Get other pane folder
pane_dir = util.tmux("display-message", "-p", "-t", pane_id,
"#{pane_current_path}")
# Create a new ranger pane
pane_id = util.tmux(
"split-window",
"-bfv",
"-F",
"#{pane_id}",
"-c",
pane_dir,
"-t",
"{top}",
"-l",
initial_size,
sys.executable,
ranger_script_path,
"--",
".",
)
# Animate open if wanted
if animate:
animated_resize(pane_id, percent, duration)