| Current File : /home/inlingua/miniconda3/lib/python3.1/site-packages/xontrib/conda.xsh |
$CONDA_EXE = "/home/inlingua/miniconda3/bin/conda"
# Copyright (C) 2012 Anaconda, Inc
# SPDX-License-Identifier: BSD-3-Clause
# Much of this forked from https://github.com/gforsyth/xonda
# Copyright (c) 2016, Gil Forsyth, All rights reserved.
# Original code licensed under BSD-3-Clause.
try:
# xonsh >= 0.18.0
from xonsh.lib.lazyasd import lazyobject
except:
# xonsh < 0.18.0
from xonsh.lazyasd import lazyobject
if 'CONDA_EXE' not in ${...}:
![python -m conda init --dev out> conda-dev-init.sh]
source-bash conda-dev-init.sh
import os
os.remove("conda-dev-init.sh")
_REACTIVATE_COMMANDS = ('install', 'update', 'upgrade', 'remove', 'uninstall')
@lazyobject
def Env():
from collections import namedtuple
return namedtuple('Env', ['name', 'path', 'bin_dir', 'envs_dir'])
def _parse_args(args=None):
from argparse import ArgumentParser
p = ArgumentParser(add_help=False)
p.add_argument('command', nargs='?')
p.add_argument('-h', '--help', dest='help', action='store_true', default=False)
p.add_argument('-v', '--version', dest='version', action='store_true', default=False)
ns, _ = p.parse_known_args(args)
if ns.command == 'activate':
p.add_argument('env_name_or_prefix', default='base')
elif ns.command in _REACTIVATE_COMMANDS:
p.add_argument('-n', '--name')
p.add_argument('-p', '--prefix')
parsed_args, _ = p.parse_known_args(args)
return parsed_args
def _raise_pipeline_error(pipeline):
stdout = pipeline.out
stderr = pipeline.err
if pipeline.returncode != 0:
message = ("exited with %s\nstdout: %s\nstderr: %s\n"
"" % (pipeline.returncode, stdout, stderr))
raise RuntimeError(message)
return stdout.strip()
def _conda_activate_handler(env_name_or_prefix):
import os
__xonsh__.execer.exec($($CONDA_EXE shell.xonsh activate @(env_name_or_prefix)),
glbs=__xonsh__.ctx,
filename="$(conda shell.xonsh activate " + env_name_or_prefix + ")")
if $CONDA_DEFAULT_ENV != os.path.split(env_name_or_prefix)[1]:
import sys as _sys
print("WARNING: conda environment not activated properly. "
"This is likely because you have a conda init inside of your "
"~/.bashrc (unix) or *.bat activation file (windows). This is "
"causing conda to activate twice in xonsh. Please remove the conda "
"init block from your other shell.", file=_sys.stderr)
def _conda_deactivate_handler():
__xonsh__.execer.exec($($CONDA_EXE shell.xonsh deactivate),
glbs=__xonsh__.ctx,
filename="$(conda shell.xonsh deactivate)")
def _conda_passthrough_handler(args):
pipeline = ![$CONDA_EXE @(args)]
_raise_pipeline_error(pipeline)
def _conda_reactivate_handler(args, name_or_prefix_given):
pipeline = ![$CONDA_EXE @(args)]
_raise_pipeline_error(pipeline)
if not name_or_prefix_given:
__xonsh__.execer.exec($($CONDA_EXE shell.xonsh reactivate),
glbs=__xonsh__.ctx,
filename="$(conda shell.xonsh reactivate)")
def _conda_main(args=None):
parsed_args = _parse_args(args)
if parsed_args.command == 'activate':
_conda_activate_handler(parsed_args.env_name_or_prefix)
elif parsed_args.command == 'deactivate':
_conda_deactivate_handler()
elif parsed_args.command in _REACTIVATE_COMMANDS:
name_or_prefix_given = bool(parsed_args.name or parsed_args.prefix)
_conda_reactivate_handler(args, name_or_prefix_given)
else:
_conda_passthrough_handler(args)
if 'CONDA_SHLVL' not in ${...}:
$CONDA_SHLVL = '0'
import os as _os
import sys as _sys
_sys.path.insert(0, _os.path.join(_os.path.dirname(_os.path.dirname($CONDA_EXE)), "condabin"))
del _os, _sys
aliases['conda'] = _conda_main
def _list_dirs(path):
"""Generator that lists the directories in a given path."""
import os
for entry in os.scandir(path):
if not entry.name.startswith('.') and entry.is_dir():
yield entry.name
def _get_envs_unfiltered():
"""Grab a list of all conda env dirs from conda, allowing all warnings."""
import os
import importlib
try:
# breaking changes introduced in Anaconda 4.4.7
# try to import newer library structure first
context = importlib.import_module('conda.base.context')
config = context.context
except ModuleNotFoundError:
config = importlib.import_module('conda.config')
# create the list of environments
env_list = []
for envs_dir in config.envs_dirs:
# skip non-existing environments directories
if not os.path.exists(envs_dir):
continue
# for each environment in the environments directory
for env_name in _list_dirs(envs_dir):
# check for duplicates names
if env_name in [env.name for env in env_list]:
raise ValueError('Multiple environments with the same name '
"in the system is not supported by conda's xonsh tools.")
# add the environment to the list
env_list.append(Env(name=env_name,
path=os.path.join(envs_dir, env_name),
bin_dir=os.path.join(envs_dir, env_name, 'bin'),
envs_dir=envs_dir,
))
return env_list
def _get_envs():
"""Grab a list of all conda env dirs from conda, ignoring all warnings."""
import warnings
with warnings.catch_warnings():
warnings.simplefilter("ignore")
return _get_envs_unfiltered()
def _conda_completer(prefix, line, start, end, ctx):
"""Completion for conda."""
args = line.split(' ')
possible = set()
if len(args) == 0 or args[0] not in ['xonda', 'conda']:
return None
curix = args.index(prefix)
if curix == 1:
possible = {'activate', 'deactivate', 'install', 'remove', 'info',
'help', 'list', 'search', 'update', 'upgrade', 'uninstall',
'config', 'init', 'clean', 'package', 'bundle', 'env',
'select', 'create', '-h', '--help', '-V', '--version'}
elif curix == 2:
if args[1] in ['activate', 'select']:
possible = set([env.name for env in _get_envs()])
elif args[1] == 'create':
possible = {'-p', '-n'}
elif args[1] == 'env':
possible = {'attach', 'create', 'export', 'list', 'remove',
'upload', 'update'}
elif curix == 3:
if args[2] == 'export':
possible = {'-n', '--name'}
elif args[2] == 'create':
possible = {'-h', '--help', '-f', '--file', '-n', '--name', '-p',
'--prefix', '-q', '--quiet', '--force', '--json',
'--debug', '-v', '--verbose'}
elif curix == 4:
if args[2] == 'export' and args[3] in ['-n','--name']:
possible = set([env.name for env in _get_envs()])
return {i for i in possible if i.startswith(prefix)}
# add _xonda_completer to list of completers
__xonsh__.completers['conda'] = _conda_completer
# bump to top of list
__xonsh__.completers.move_to_end('conda', last=False)