def source_foreign(args, stdin=None):
"""Sources a file written in a foreign shell language."""
parser = _ensure_source_foreign_parser()
ns = parser.parse_args(args)
if ns.prevcmd is not None and not os.path.isfile(ns.files_or_code[0]):
ns.prevcmd = ' '.join(ns.files_or_code)
elif ns.prevcmd is None:
ns.prevcmd = '{0} {1}'.format(ns.sourcer, ' '.join(ns.files_or_code))
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(shell=ns.shell, login=ns.login,
interactive=ns.interactive, envcmd=ns.envcmd,
aliascmd=ns.aliascmd, extra_args=ns.extra_args,
safe=ns.safe, prevcmd=ns.prevcmd,
postcmd=ns.postcmd, funcscmd=ns.funcscmd,
sourcer=ns.sourcer)
# apply results
env = builtins.__xonsh_env__
denv = env.detype()
for k, v in fsenv.items():
if k in env and v == denv[k]:
continue # no change from original
env[k] = v
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
baliases[k] = v
def source_foreign(args, stdin=None):
"""Sources a file written in a foreign shell language."""
parser = _ensure_source_foreign_parser()
ns = parser.parse_args(args)
if ns.prevcmd is not None:
pass # don't change prevcmd if given explicitly
elif os.path.isfile(ns.files_or_code[0]):
# we have filename to source
ns.prevcmd = '{0} {1}'.format(ns.sourcer, ' '.join(ns.files_or_code))
elif ns.prevcmd is None:
ns.prevcmd = ' '.join(ns.files_or_code) # code to run, no files
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(shell=ns.shell,
login=ns.login,
interactive=ns.interactive,
envcmd=ns.envcmd,
aliascmd=ns.aliascmd,
extra_args=ns.extra_args,
safe=ns.safe,
prevcmd=ns.prevcmd,
postcmd=ns.postcmd,
funcscmd=ns.funcscmd,
sourcer=ns.sourcer)
# apply results
env = builtins.__xonsh_env__
denv = env.detype()
for k, v in fsenv.items():
if k in env and v == denv[k]:
continue # no change from original
env[k] = v
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
baliases[k] = v
def source_foreign(args, stdin=None, stdout=None, stderr=None):
"""Sources a file written in a foreign shell language."""
ns = _SOURCE_FOREIGN_PARSER.parse_args(args)
if ns.prevcmd is not None:
pass # don't change prevcmd if given explicitly
elif os.path.isfile(ns.files_or_code[0]):
# we have filename to source
ns.prevcmd = '{} "{}"'.format(ns.sourcer, '" "'.join(ns.files_or_code))
elif ns.prevcmd is None:
ns.prevcmd = ' '.join(ns.files_or_code) # code to run, no files
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(shell=ns.shell,
login=ns.login,
interactive=ns.interactive,
envcmd=ns.envcmd,
aliascmd=ns.aliascmd,
extra_args=ns.extra_args,
safe=ns.safe,
prevcmd=ns.prevcmd,
postcmd=ns.postcmd,
funcscmd=ns.funcscmd,
sourcer=ns.sourcer,
use_tmpfile=ns.use_tmpfile,
seterrprevcmd=ns.seterrprevcmd,
seterrpostcmd=ns.seterrpostcmd,
show=ns.show,
dryrun=ns.dryrun)
if fsenv is None:
if ns.dryrun:
return
else:
msg = 'xonsh: error: Source failed: {0!r}\n'.format(ns.prevcmd)
msg += 'xonsh: error: Possible reasons: File not found or syntax error\n'
return (None, msg, 1)
# apply results
env = builtins.__xonsh_env__
denv = env.detype()
for k, v in fsenv.items():
if k in denv and v == denv[k]:
continue # no change from original
env[k] = v
# Remove any env-vars that were unset by the script.
for k in denv:
if k not in fsenv:
env.pop(k, None)
# Update aliases
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
elif ns.overwrite_aliases or k not in baliases:
baliases[k] = v
else:
msg = ('Skipping application of {0!r} alias from {1!r} '
'since it shares a name with an existing xonsh alias. '
'Use "--overwrite-alias" option to apply it anyway.')
print(msg.format(k, ns.shell), file=stderr)
def test_foreign_bash_data():
expenv = {"EMERALD": "SWORD", "MIGHTY": "WARRIOR"}
expaliases = {"l": ["ls", "-CF"], "la": ["ls", "-A"], "ll": ["ls", "-a", "-lF"]}
rcfile = os.path.join(os.path.dirname(__file__), "bashrc.sh")
try:
obsenv, obsaliases = foreign_shell_data("bash", currenv=(), extra_args=("--rcfile", rcfile), safe=False)
except (subprocess.CalledProcessError, FileNotFoundError):
raise SkipTest
for key, expval in expenv.items():
yield assert_equal, expval, obsenv.get(key, False)
yield assert_equal, expaliases, obsaliases
def source_foreign(args, stdin=None, stdout=None, stderr=None):
"""Sources a file written in a foreign shell language."""
ns = _SOURCE_FOREIGN_PARSER.parse_args(args)
if ns.prevcmd is not None:
pass # don't change prevcmd if given explicitly
elif os.path.isfile(ns.files_or_code[0]):
# we have filename to source
ns.prevcmd = '{} "{}"'.format(ns.sourcer, '" "'.join(ns.files_or_code))
elif ns.prevcmd is None:
ns.prevcmd = ' '.join(ns.files_or_code) # code to run, no files
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(shell=ns.shell, login=ns.login,
interactive=ns.interactive,
envcmd=ns.envcmd,
aliascmd=ns.aliascmd,
extra_args=ns.extra_args,
safe=ns.safe, prevcmd=ns.prevcmd,
postcmd=ns.postcmd,
funcscmd=ns.funcscmd,
sourcer=ns.sourcer,
use_tmpfile=ns.use_tmpfile,
seterrprevcmd=ns.seterrprevcmd,
seterrpostcmd=ns.seterrpostcmd,
show=ns.show,
dryrun=ns.dryrun)
if fsenv is None:
if ns.dryrun:
return
else:
msg = 'xonsh: error: Source failed: {}\n'.format(ns.prevcmd)
return (None, msg, 1)
# apply results
env = builtins.__xonsh_env__
denv = env.detype()
for k, v in fsenv.items():
if k in denv and v == denv[k]:
continue # no change from original
env[k] = v
# Remove any env-vars that were unset by the script.
for k in denv:
if k not in fsenv:
env.pop(k, None)
# Update aliases
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
elif ns.overwrite_aliases or k not in baliases:
baliases[k] = v
else:
msg = ('Skipping application of {0!r} alias from {1!r} '
'since it shares a name with an existing xonsh alias. '
'Use "--overwrite-alias" option to apply it anyway.')
print(msg.format(k, ns.shell), file=stderr)
def test_foreign_bash_data():
expenv = {"EMERALD": "SWORD", "MIGHTY": "WARRIOR"}
expaliases = {"l": ["ls", "-CF"], "la": ["ls", "-A"], "ll": ["ls", "-a", "-lF"]}
rcfile = os.path.join(os.path.dirname(__file__), "bashrc.sh")
try:
obsenv, obsaliases = foreign_shell_data(
"bash", currenv=(), extra_args=("--rcfile", rcfile), safe=False
)
except (subprocess.CalledProcessError, FileNotFoundError):
return
for key, expval in expenv.items():
assert expval == obsenv.get(key, False)
for key, expval in expaliases.items():
assert expval == obsaliases.get(key, False)
def test_foreign_cmd_data():
env = (('ENV_TO_BE_REMOVED','test'),)
batchfile = os.path.join(os.path.dirname(__file__), 'batch.bat')
source_cmd ='call "{}"\necho off'.format(batchfile)
try:
obsenv, _ = foreign_shell_data('cmd',prevcmd=source_cmd,
currenv=env,
interactive =False,
sourcer='call',envcmd='set',
use_tmpfile=True,
safe=False)
except (subprocess.CalledProcessError, FileNotFoundError):
return
assert 'ENV_TO_BE_ADDED' in obsenv
assert obsenv['ENV_TO_BE_ADDED']=='Hallo world'
assert 'ENV_TO_BE_REMOVED' not in obsenv
def source_foreign(args, stdin=None):
"""Sources a file written in a foreign shell language."""
parser = _ensure_source_foreign_parser()
ns = parser.parse_args(args)
if ns.prevcmd is not None:
pass # don't change prevcmd if given explicitly
elif os.path.isfile(ns.files_or_code[0]):
# we have filename to source
ns.prevcmd = '{} "{}"'.format(ns.sourcer, '" "'.join(ns.files_or_code))
elif ns.prevcmd is None:
ns.prevcmd = " ".join(ns.files_or_code) # code to run, no files
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(
shell=ns.shell,
login=ns.login,
interactive=ns.interactive,
envcmd=ns.envcmd,
aliascmd=ns.aliascmd,
extra_args=ns.extra_args,
safe=ns.safe,
prevcmd=ns.prevcmd,
postcmd=ns.postcmd,
funcscmd=ns.funcscmd,
sourcer=ns.sourcer,
use_tmpfile=ns.use_tmpfile,
seterrprevcmd=ns.seterrprevcmd,
seterrpostcmd=ns.seterrpostcmd,
)
if fsenv is None:
return (None, "xonsh: error: Source failed: " "{}\n".format(ns.prevcmd), 1)
# apply results
env = builtins.__xonsh_env__
denv = env.detype()
for k, v in fsenv.items():
if k in denv and v == denv[k]:
continue # no change from original
env[k] = v
# Remove any env-vars that were unset by the script.
for k in denv:
if k not in fsenv:
env.pop(k, None)
# Update aliases
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
baliases[k] = v
def test_foreign_bash_data():
expenv = {"EMERALD": "SWORD", 'MIGHTY': 'WARRIOR'}
expaliases = {
'l': ['ls', '-CF'],
'la': ['ls', '-A'],
'll': ['ls', '-a', '-lF'],
}
rcfile = os.path.join(os.path.dirname(__file__), 'bashrc.sh')
try:
obsenv, obsaliases = foreign_shell_data('bash', currenv=(),
extra_args=('--rcfile', rcfile),
safe=False)
except (subprocess.CalledProcessError, FileNotFoundError):
raise SkipTest
for key, expval in expenv.items():
yield assert_equal, expval, obsenv.get(key, False)
yield assert_equal, expaliases, obsaliases
def source_foreign(args, stdin=None):
"""Sources a file written in a foreign shell language."""
parser = _ensure_source_foreign_parser()
ns = parser.parse_args(args)
if ns.prevcmd is not None:
pass # don't change prevcmd if given explicitly
elif os.path.isfile(ns.files_or_code[0]):
# we have filename to source
ns.prevcmd = '{} "{}"'.format(ns.sourcer, '" "'.join(ns.files_or_code))
elif ns.prevcmd is None:
ns.prevcmd = ' '.join(ns.files_or_code) # code to run, no files
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(shell=ns.shell,
login=ns.login,
interactive=ns.interactive,
envcmd=ns.envcmd,
aliascmd=ns.aliascmd,
extra_args=ns.extra_args,
safe=ns.safe,
prevcmd=ns.prevcmd,
postcmd=ns.postcmd,
funcscmd=ns.funcscmd,
sourcer=ns.sourcer,
use_tmpfile=ns.use_tmpfile,
seterrprevcmd=ns.seterrprevcmd,
seterrpostcmd=ns.seterrpostcmd)
if fsenv is None:
return (None, 'xonsh: error: Source failed: '
'{}\n'.format(ns.prevcmd), 1)
# apply results
env = builtins.__xonsh_env__
denv = env.detype()
for k, v in fsenv.items():
if k in denv and v == denv[k]:
continue # no change from original
env[k] = v
# Remove any env-vars that were unset by the script.
for k in denv:
if k not in fsenv:
env.pop(k, None)
# Update aliases
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
baliases[k] = v
def test_foreign_bash_data():
expenv = {"EMERALD": "SWORD", 'MIGHTY': 'WARRIOR'}
expaliases = {
'l': ['ls', '-CF'],
'la': ['ls', '-A'],
'll': ['ls', '-a', '-lF'],
}
rcfile = os.path.join(os.path.dirname(__file__), 'bashrc.sh')
try:
obsenv, obsaliases = foreign_shell_data('bash', currenv=(),
extra_args=('--rcfile', rcfile),
safe=False)
except (subprocess.CalledProcessError, FileNotFoundError):
raise SkipTest
for key, expval in expenv.items():
yield assert_equal, expval, obsenv.get(key, False)
yield assert_equal, expaliases, obsaliases
def test_foreign_cmd_data():
env = (('ENV_TO_BE_REMOVED', 'test'), )
batchfile = os.path.join(os.path.dirname(__file__), 'batch.bat')
source_cmd = 'call "{}"\necho off'.format(batchfile)
try:
obsenv, _ = foreign_shell_data('cmd',
prevcmd=source_cmd,
currenv=env,
interactive=False,
sourcer='call',
envcmd='set',
use_tmpfile=True,
safe=False)
except (subprocess.CalledProcessError, FileNotFoundError):
return
assert 'ENV_TO_BE_ADDED' in obsenv
assert obsenv['ENV_TO_BE_ADDED'] == 'Hallo world'
assert 'ENV_TO_BE_REMOVED' not in obsenv
def test_foreign_cmd_data():
env = (("ENV_TO_BE_REMOVED", "test"), )
batchfile = os.path.join(os.path.dirname(__file__), "batch.bat")
source_cmd = 'call "{}"\necho off'.format(batchfile)
try:
obsenv, _ = foreign_shell_data(
"cmd",
prevcmd=source_cmd,
currenv=env,
interactive=False,
sourcer="call",
envcmd="set",
use_tmpfile=True,
safe=False,
)
except (subprocess.CalledProcessError, FileNotFoundError):
return
assert "ENV_TO_BE_ADDED" in obsenv
assert obsenv["ENV_TO_BE_ADDED"] == "Hallo world"
assert "ENV_TO_BE_REMOVED" not in obsenv
def test_foreign_cmd_data():
env = (("ENV_TO_BE_REMOVED", "test"),)
batchfile = os.path.join(os.path.dirname(__file__), "batch.bat")
source_cmd = 'call "{}"\necho off'.format(batchfile)
try:
obsenv, _ = foreign_shell_data(
"cmd",
prevcmd=source_cmd,
currenv=env,
interactive=False,
sourcer="call",
envcmd="set",
use_tmpfile=True,
safe=False,
)
except (subprocess.CalledProcessError, FileNotFoundError):
return
assert "ENV_TO_BE_ADDED" in obsenv
assert obsenv["ENV_TO_BE_ADDED"] == "Hallo world"
assert "ENV_TO_BE_REMOVED" not in obsenv
def source_foreign(args, stdin=None):
"""Sources a file written in a foreign shell language."""
parser = _ensure_source_foreign_parser()
ns = parser.parse_args(args)
prevcmd = '{0} {1}'.format(ns.sourcer, ' '.join(ns.filenames))
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(shell=ns.shell, login=ns.login,
interactive=ns.interactive, envcmd=ns.envcmd,
aliascmd=ns.aliascmd, extra_args=ns.extra_args,
safe=ns.safe, prevcmd=prevcmd)
# apply results
env = builtins.__xonsh_env__
denv = env.detype()
for k, v in fsenv.items():
if k in env and v == denv[k]:
continue # no change from original
env[k] = v
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
baliases[k] = v
def source_foreign(args, stdin=None, stdout=None, stderr=None):
"""Sources a file written in a foreign shell language."""
env = builtins.__xonsh__.env
ns = _SOURCE_FOREIGN_PARSER.parse_args(args)
ns.suppress_skip_message = (
env.get("FOREIGN_ALIASES_SUPPRESS_SKIP_MESSAGE")
if ns.suppress_skip_message is None
else ns.suppress_skip_message
)
if ns.prevcmd is not None:
pass # don't change prevcmd if given explicitly
elif os.path.isfile(ns.files_or_code[0]):
# we have filename to source
ns.prevcmd = '{} "{}"'.format(ns.sourcer, '" "'.join(ns.files_or_code))
elif ns.prevcmd is None:
ns.prevcmd = " ".join(ns.files_or_code) # code to run, no files
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(
shell=ns.shell,
login=ns.login,
interactive=ns.interactive,
envcmd=ns.envcmd,
aliascmd=ns.aliascmd,
extra_args=ns.extra_args,
safe=ns.safe,
prevcmd=ns.prevcmd,
postcmd=ns.postcmd,
funcscmd=ns.funcscmd,
sourcer=ns.sourcer,
use_tmpfile=ns.use_tmpfile,
seterrprevcmd=ns.seterrprevcmd,
seterrpostcmd=ns.seterrpostcmd,
show=ns.show,
dryrun=ns.dryrun,
)
if fsenv is None:
if ns.dryrun:
return
else:
msg = "xonsh: error: Source failed: {0!r}\n".format(ns.prevcmd)
msg += "xonsh: error: Possible reasons: File not found or syntax error\n"
return (None, msg, 1)
# apply results
denv = env.detype()
for k, v in fsenv.items():
if k in denv and v == denv[k]:
continue # no change from original
env[k] = v
# Remove any env-vars that were unset by the script.
for k in denv:
if k not in fsenv:
env.pop(k, None)
# Update aliases
baliases = builtins.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
elif ns.overwrite_aliases or k not in baliases:
baliases[k] = v
elif ns.suppress_skip_message:
pass
else:
msg = (
"Skipping application of {0!r} alias from {1!r} "
"since it shares a name with an existing xonsh alias. "
'Use "--overwrite-alias" option to apply it anyway.'
'You may prevent this message with "--suppress-skip-message" or '
'"$FOREIGN_ALIASES_SUPPRESS_SKIP_MESSAGE = True".'
)
print(msg.format(k, ns.shell), file=stderr)
def source_foreign_fn(
shell: str,
files_or_code: Annotated[tp.List[str], Arg(nargs="+")],
interactive=True,
login=False,
envcmd=None,
aliascmd=None,
extra_args="",
safe=True,
prevcmd="",
postcmd="",
funcscmd="",
sourcer=None,
use_tmpfile=False,
seterrprevcmd=None,
seterrpostcmd=None,
overwrite_aliases=False,
suppress_skip_message=False,
show=False,
dryrun=False,
_stderr=None,
):
"""Sources a file written in a foreign shell language.
Parameters
----------
shell
Name or path to the foreign shell
files_or_code
file paths to source or code in the target language.
interactive : -n, --non-interactive
whether the sourced shell should be interactive
login : -l, --login
whether the sourced shell should be login
envcmd : --envcmd
command to print environment
aliascmd : --aliascmd
command to print aliases
extra_args : --extra-args
extra arguments needed to run the shell
safe : -u, --unsafe
whether the source shell should be run safely, and not raise any errors, even if they occur.
prevcmd : -p, --prevcmd
command(s) to run before any other commands, replaces traditional source.
postcmd : --postcmd
command(s) to run after all other commands
funcscmd : --funcscmd
code to find locations of all native functions in the shell language.
sourcer : --sourcer
the source command in the target shell language.
If this is not set, a default value will attempt to be
looked up based on the shell name.
use_tmpfile : --use-tmpfile
whether the commands for source shell should be written to a temporary file.
seterrprevcmd : --seterrprevcmd
command(s) to set exit-on-error before any other commands.
seterrpostcmd : --seterrpostcmd
command(s) to set exit-on-error after all other commands.
overwrite_aliases : --overwrite-aliases
flag for whether or not sourced aliases should replace the current xonsh aliases.
suppress_skip_message : --suppress-skip-message
flag for whether or not skip messages should be suppressed.
show : --show
show the script output.
dryrun : -d, --dry-run
Will not actually source the file.
"""
extra_args = tuple(extra_args.split())
env = XSH.env
suppress_skip_message = (env.get("FOREIGN_ALIASES_SUPPRESS_SKIP_MESSAGE")
if not suppress_skip_message else
suppress_skip_message)
files: tp.Tuple[str, ...] = ()
if prevcmd:
pass # don't change prevcmd if given explicitly
elif os.path.isfile(files_or_code[0]):
if not sourcer:
return (None,
"xonsh: error: `sourcer` command is not mentioned.\n", 1)
# we have filenames to source
prevcmd = "".join([f"{sourcer} {f}\n" for f in files_or_code])
files = tuple(files_or_code)
elif not prevcmd:
prevcmd = " ".join(files_or_code) # code to run, no files
foreign_shell_data.cache_clear() # make sure that we don't get prev src
fsenv, fsaliases = foreign_shell_data(
shell=shell,
login=login,
interactive=interactive,
envcmd=envcmd,
aliascmd=aliascmd,
extra_args=extra_args,
safe=safe,
prevcmd=prevcmd,
postcmd=postcmd,
funcscmd=funcscmd
or None, # the default is None in the called function
sourcer=sourcer,
use_tmpfile=use_tmpfile,
seterrprevcmd=seterrprevcmd,
seterrpostcmd=seterrpostcmd,
show=show,
dryrun=dryrun,
files=files,
)
if fsenv is None:
if dryrun:
return
else:
msg = f"xonsh: error: Source failed: {prevcmd!r}\n"
msg += "xonsh: error: Possible reasons: File not found or syntax error\n"
return (None, msg, 1)
# apply results
denv = env.detype()
for k, v in fsenv.items():
if k in denv and v == denv[k]:
continue # no change from original
env[k] = v
# Remove any env-vars that were unset by the script.
for k in denv:
if k not in fsenv:
env.pop(k, None)
# Update aliases
baliases = XSH.aliases
for k, v in fsaliases.items():
if k in baliases and v == baliases[k]:
continue # no change from original
elif overwrite_aliases or k not in baliases:
baliases[k] = v
elif suppress_skip_message:
pass
else:
msg = (
"Skipping application of {0!r} alias from {1!r} "
"since it shares a name with an existing xonsh alias. "
'Use "--overwrite-alias" option to apply it anyway.'
'You may prevent this message with "--suppress-skip-message" or '
'"$FOREIGN_ALIASES_SUPPRESS_SKIP_MESSAGE = True".')
print(msg.format(k, shell), file=_stderr)