def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
python类core()的实例源码
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = collections.defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
def main_help_text(self, commands_only=False):
"""
Returns the script's main help text, as a string.
"""
if commands_only:
usage = sorted(get_commands().keys())
else:
usage = [
"",
"Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,
"",
"Available subcommands:",
]
commands_dict = defaultdict(lambda: [])
for name, app in six.iteritems(get_commands()):
if app == 'django.core':
app = 'django'
else:
app = app.rpartition('.')[-1]
commands_dict[app].append(name)
style = color_style()
for app in sorted(commands_dict.keys()):
usage.append("")
usage.append(style.NOTICE("[%s]" % app))
for name in sorted(commands_dict[app]):
usage.append(" %s" % name)
# Output an extra note if settings are not properly configured
if self.settings_exception is not None:
usage.append(style.NOTICE(
"Note that only Django core commands are listed "
"as settings are not properly configured (error: %s)."
% self.settings_exception))
return '\n'.join(usage)
def get_commands():
"""
Returns a dictionary mapping command names to their callback applications.
This works by looking for a management.commands package in django.core, and
in each installed application -- if a commands package exists, all commands
in that package are registered.
Core commands are always included. If a settings module has been
specified, user-defined commands will also be included.
The dictionary is in the format {command_name: app_name}. Key-value
pairs from this dictionary can then be used in calls to
load_command_class(app_name, command_name)
If a specific version of a command must be loaded (e.g., with the
startapp command), the instantiated module can be placed in the
dictionary in place of the application name.
The dictionary is cached on the first call and reused on subsequent
calls.
"""
commands = {name: 'django.core' for name in find_commands(upath(__path__[0]))}
if not settings.configured:
return commands
for app_config in reversed(list(apps.get_app_configs())):
path = os.path.join(app_config.path, 'management')
commands.update({name: app_config.name for name in find_commands(path)})
return commands
