You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
2 years ago
|
"""Find files and directories which IPython uses.
|
||
|
"""
|
||
|
import os.path
|
||
|
import tempfile
|
||
|
from warnings import warn
|
||
|
|
||
|
import IPython
|
||
|
from IPython.utils.importstring import import_item
|
||
|
from IPython.utils.path import (
|
||
|
get_home_dir,
|
||
|
get_xdg_dir,
|
||
|
get_xdg_cache_dir,
|
||
|
compress_user,
|
||
|
_writable_dir,
|
||
|
ensure_dir_exists,
|
||
|
)
|
||
|
|
||
|
|
||
|
def get_ipython_dir() -> str:
|
||
|
"""Get the IPython directory for this platform and user.
|
||
|
|
||
|
This uses the logic in `get_home_dir` to find the home directory
|
||
|
and then adds .ipython to the end of the path.
|
||
|
"""
|
||
|
|
||
|
env = os.environ
|
||
|
pjoin = os.path.join
|
||
|
|
||
|
|
||
|
ipdir_def = '.ipython'
|
||
|
|
||
|
home_dir = get_home_dir()
|
||
|
xdg_dir = get_xdg_dir()
|
||
|
|
||
|
if 'IPYTHON_DIR' in env:
|
||
|
warn('The environment variable IPYTHON_DIR is deprecated since IPython 3.0. '
|
||
|
'Please use IPYTHONDIR instead.', DeprecationWarning)
|
||
|
ipdir = env.get('IPYTHONDIR', env.get('IPYTHON_DIR', None))
|
||
|
if ipdir is None:
|
||
|
# not set explicitly, use ~/.ipython
|
||
|
ipdir = pjoin(home_dir, ipdir_def)
|
||
|
if xdg_dir:
|
||
|
# Several IPython versions (up to 1.x) defaulted to .config/ipython
|
||
|
# on Linux. We have decided to go back to using .ipython everywhere
|
||
|
xdg_ipdir = pjoin(xdg_dir, 'ipython')
|
||
|
|
||
|
if _writable_dir(xdg_ipdir):
|
||
|
cu = compress_user
|
||
|
if os.path.exists(ipdir):
|
||
|
warn(('Ignoring {0} in favour of {1}. Remove {0} to '
|
||
|
'get rid of this message').format(cu(xdg_ipdir), cu(ipdir)))
|
||
|
elif os.path.islink(xdg_ipdir):
|
||
|
warn(('{0} is deprecated. Move link to {1} to '
|
||
|
'get rid of this message').format(cu(xdg_ipdir), cu(ipdir)))
|
||
|
else:
|
||
|
ipdir = xdg_ipdir
|
||
|
|
||
|
ipdir = os.path.normpath(os.path.expanduser(ipdir))
|
||
|
|
||
|
if os.path.exists(ipdir) and not _writable_dir(ipdir):
|
||
|
# ipdir exists, but is not writable
|
||
|
warn("IPython dir '{0}' is not a writable location,"
|
||
|
" using a temp directory.".format(ipdir))
|
||
|
ipdir = tempfile.mkdtemp()
|
||
|
elif not os.path.exists(ipdir):
|
||
|
parent = os.path.dirname(ipdir)
|
||
|
if not _writable_dir(parent):
|
||
|
# ipdir does not exist and parent isn't writable
|
||
|
warn("IPython parent '{0}' is not a writable location,"
|
||
|
" using a temp directory.".format(parent))
|
||
|
ipdir = tempfile.mkdtemp()
|
||
|
else:
|
||
|
os.makedirs(ipdir, exist_ok=True)
|
||
|
assert isinstance(ipdir, str), "all path manipulation should be str(unicode), but are not."
|
||
|
return ipdir
|
||
|
|
||
|
|
||
|
def get_ipython_cache_dir() -> str:
|
||
|
"""Get the cache directory it is created if it does not exist."""
|
||
|
xdgdir = get_xdg_cache_dir()
|
||
|
if xdgdir is None:
|
||
|
return get_ipython_dir()
|
||
|
ipdir = os.path.join(xdgdir, "ipython")
|
||
|
if not os.path.exists(ipdir) and _writable_dir(xdgdir):
|
||
|
ensure_dir_exists(ipdir)
|
||
|
elif not _writable_dir(xdgdir):
|
||
|
return get_ipython_dir()
|
||
|
|
||
|
return ipdir
|
||
|
|
||
|
|
||
|
def get_ipython_package_dir() -> str:
|
||
|
"""Get the base directory where IPython itself is installed."""
|
||
|
ipdir = os.path.dirname(IPython.__file__)
|
||
|
assert isinstance(ipdir, str)
|
||
|
return ipdir
|
||
|
|
||
|
|
||
|
def get_ipython_module_path(module_str):
|
||
|
"""Find the path to an IPython module in this version of IPython.
|
||
|
|
||
|
This will always find the version of the module that is in this importable
|
||
|
IPython package. This will always return the path to the ``.py``
|
||
|
version of the module.
|
||
|
"""
|
||
|
if module_str == 'IPython':
|
||
|
return os.path.join(get_ipython_package_dir(), '__init__.py')
|
||
|
mod = import_item(module_str)
|
||
|
the_path = mod.__file__.replace('.pyc', '.py')
|
||
|
the_path = the_path.replace('.pyo', '.py')
|
||
|
return the_path
|
||
|
|
||
|
|
||
|
def locate_profile(profile='default'):
|
||
|
"""Find the path to the folder associated with a given profile.
|
||
|
|
||
|
I.e. find $IPYTHONDIR/profile_whatever.
|
||
|
"""
|
||
|
from IPython.core.profiledir import ProfileDir, ProfileDirError
|
||
|
try:
|
||
|
pd = ProfileDir.find_profile_dir_by_name(get_ipython_dir(), profile)
|
||
|
except ProfileDirError as e:
|
||
|
# IOError makes more sense when people are expecting a path
|
||
|
raise IOError("Couldn't find profile %r" % profile) from e
|
||
|
return pd.location
|