|
|
# encoding: utf-8
|
|
|
"""An object for managing IPython profile directories."""
|
|
|
|
|
|
# Copyright (c) IPython Development Team.
|
|
|
# Distributed under the terms of the Modified BSD License.
|
|
|
|
|
|
import os
|
|
|
import shutil
|
|
|
import errno
|
|
|
from pathlib import Path
|
|
|
|
|
|
from traitlets.config.configurable import LoggingConfigurable
|
|
|
from ..paths import get_ipython_package_dir
|
|
|
from ..utils.path import expand_path, ensure_dir_exists
|
|
|
from traitlets import Unicode, Bool, observe
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Module errors
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
class ProfileDirError(Exception):
|
|
|
pass
|
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Class for managing profile directories
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
class ProfileDir(LoggingConfigurable):
|
|
|
"""An object to manage the profile directory and its resources.
|
|
|
|
|
|
The profile directory is used by all IPython applications, to manage
|
|
|
configuration, logging and security.
|
|
|
|
|
|
This object knows how to find, create and manage these directories. This
|
|
|
should be used by any code that wants to handle profiles.
|
|
|
"""
|
|
|
|
|
|
security_dir_name = Unicode('security')
|
|
|
log_dir_name = Unicode('log')
|
|
|
startup_dir_name = Unicode('startup')
|
|
|
pid_dir_name = Unicode('pid')
|
|
|
static_dir_name = Unicode('static')
|
|
|
security_dir = Unicode(u'')
|
|
|
log_dir = Unicode(u'')
|
|
|
startup_dir = Unicode(u'')
|
|
|
pid_dir = Unicode(u'')
|
|
|
static_dir = Unicode(u'')
|
|
|
|
|
|
location = Unicode(u'',
|
|
|
help="""Set the profile location directly. This overrides the logic used by the
|
|
|
`profile` option.""",
|
|
|
).tag(config=True)
|
|
|
|
|
|
_location_isset = Bool(False) # flag for detecting multiply set location
|
|
|
@observe('location')
|
|
|
def _location_changed(self, change):
|
|
|
if self._location_isset:
|
|
|
raise RuntimeError("Cannot set profile location more than once.")
|
|
|
self._location_isset = True
|
|
|
new = change['new']
|
|
|
ensure_dir_exists(new)
|
|
|
|
|
|
# ensure config files exist:
|
|
|
self.security_dir = os.path.join(new, self.security_dir_name)
|
|
|
self.log_dir = os.path.join(new, self.log_dir_name)
|
|
|
self.startup_dir = os.path.join(new, self.startup_dir_name)
|
|
|
self.pid_dir = os.path.join(new, self.pid_dir_name)
|
|
|
self.static_dir = os.path.join(new, self.static_dir_name)
|
|
|
self.check_dirs()
|
|
|
|
|
|
def _mkdir(self, path, mode=None):
|
|
|
"""ensure a directory exists at a given path
|
|
|
|
|
|
This is a version of os.mkdir, with the following differences:
|
|
|
|
|
|
- returns True if it created the directory, False otherwise
|
|
|
- ignores EEXIST, protecting against race conditions where
|
|
|
the dir may have been created in between the check and
|
|
|
the creation
|
|
|
- sets permissions if requested and the dir already exists
|
|
|
"""
|
|
|
if os.path.exists(path):
|
|
|
if mode and os.stat(path).st_mode != mode:
|
|
|
try:
|
|
|
os.chmod(path, mode)
|
|
|
except OSError:
|
|
|
self.log.warning(
|
|
|
"Could not set permissions on %s",
|
|
|
path
|
|
|
)
|
|
|
return False
|
|
|
try:
|
|
|
if mode:
|
|
|
os.mkdir(path, mode)
|
|
|
else:
|
|
|
os.mkdir(path)
|
|
|
except OSError as e:
|
|
|
if e.errno == errno.EEXIST:
|
|
|
return False
|
|
|
else:
|
|
|
raise
|
|
|
|
|
|
return True
|
|
|
|
|
|
@observe('log_dir')
|
|
|
def check_log_dir(self, change=None):
|
|
|
self._mkdir(self.log_dir)
|
|
|
|
|
|
@observe('startup_dir')
|
|
|
def check_startup_dir(self, change=None):
|
|
|
self._mkdir(self.startup_dir)
|
|
|
|
|
|
readme = os.path.join(self.startup_dir, 'README')
|
|
|
src = os.path.join(get_ipython_package_dir(), u'core', u'profile', u'README_STARTUP')
|
|
|
|
|
|
if not os.path.exists(src):
|
|
|
self.log.warning("Could not copy README_STARTUP to startup dir. Source file %s does not exist.", src)
|
|
|
|
|
|
if os.path.exists(src) and not os.path.exists(readme):
|
|
|
shutil.copy(src, readme)
|
|
|
|
|
|
@observe('security_dir')
|
|
|
def check_security_dir(self, change=None):
|
|
|
self._mkdir(self.security_dir, 0o40700)
|
|
|
|
|
|
@observe('pid_dir')
|
|
|
def check_pid_dir(self, change=None):
|
|
|
self._mkdir(self.pid_dir, 0o40700)
|
|
|
|
|
|
def check_dirs(self):
|
|
|
self.check_security_dir()
|
|
|
self.check_log_dir()
|
|
|
self.check_pid_dir()
|
|
|
self.check_startup_dir()
|
|
|
|
|
|
def copy_config_file(self, config_file: str, path: Path, overwrite=False) -> bool:
|
|
|
"""Copy a default config file into the active profile directory.
|
|
|
|
|
|
Default configuration files are kept in :mod:`IPython.core.profile`.
|
|
|
This function moves these from that location to the working profile
|
|
|
directory.
|
|
|
"""
|
|
|
dst = Path(os.path.join(self.location, config_file))
|
|
|
if dst.exists() and not overwrite:
|
|
|
return False
|
|
|
if path is None:
|
|
|
path = os.path.join(get_ipython_package_dir(), u'core', u'profile', u'default')
|
|
|
assert isinstance(path, Path)
|
|
|
src = path / config_file
|
|
|
shutil.copy(src, dst)
|
|
|
return True
|
|
|
|
|
|
@classmethod
|
|
|
def create_profile_dir(cls, profile_dir, config=None):
|
|
|
"""Create a new profile directory given a full path.
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
profile_dir : str
|
|
|
The full path to the profile directory. If it does exist, it will
|
|
|
be used. If not, it will be created.
|
|
|
"""
|
|
|
return cls(location=profile_dir, config=config)
|
|
|
|
|
|
@classmethod
|
|
|
def create_profile_dir_by_name(cls, path, name=u'default', config=None):
|
|
|
"""Create a profile dir by profile name and path.
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
path : unicode
|
|
|
The path (directory) to put the profile directory in.
|
|
|
name : unicode
|
|
|
The name of the profile. The name of the profile directory will
|
|
|
be "profile_<profile>".
|
|
|
"""
|
|
|
if not os.path.isdir(path):
|
|
|
raise ProfileDirError('Directory not found: %s' % path)
|
|
|
profile_dir = os.path.join(path, u'profile_' + name)
|
|
|
return cls(location=profile_dir, config=config)
|
|
|
|
|
|
@classmethod
|
|
|
def find_profile_dir_by_name(cls, ipython_dir, name=u'default', config=None):
|
|
|
"""Find an existing profile dir by profile name, return its ProfileDir.
|
|
|
|
|
|
This searches through a sequence of paths for a profile dir. If it
|
|
|
is not found, a :class:`ProfileDirError` exception will be raised.
|
|
|
|
|
|
The search path algorithm is:
|
|
|
1. ``os.getcwd()`` # removed for security reason.
|
|
|
2. ``ipython_dir``
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
ipython_dir : unicode or str
|
|
|
The IPython directory to use.
|
|
|
name : unicode or str
|
|
|
The name of the profile. The name of the profile directory
|
|
|
will be "profile_<profile>".
|
|
|
"""
|
|
|
dirname = u'profile_' + name
|
|
|
paths = [ipython_dir]
|
|
|
for p in paths:
|
|
|
profile_dir = os.path.join(p, dirname)
|
|
|
if os.path.isdir(profile_dir):
|
|
|
return cls(location=profile_dir, config=config)
|
|
|
else:
|
|
|
raise ProfileDirError('Profile directory not found in paths: %s' % dirname)
|
|
|
|
|
|
@classmethod
|
|
|
def find_profile_dir(cls, profile_dir, config=None):
|
|
|
"""Find/create a profile dir and return its ProfileDir.
|
|
|
|
|
|
This will create the profile directory if it doesn't exist.
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
profile_dir : unicode or str
|
|
|
The path of the profile directory.
|
|
|
"""
|
|
|
profile_dir = expand_path(profile_dir)
|
|
|
if not os.path.isdir(profile_dir):
|
|
|
raise ProfileDirError('Profile directory not found: %s' % profile_dir)
|
|
|
return cls(location=profile_dir, config=config)
|
|
|
|
