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# Locate and load the lldb python module
import os
import sys
def import_lldb():
""" Find and import the lldb modules. This function tries to find the lldb module by:
1. Simply by doing "import lldb" in case the system python installation is aware of lldb. If that fails,
2. Executes the lldb executable pointed to by the LLDB environment variable (or if unset, the first lldb
on PATH") with the -P flag to determine the PYTHONPATH to set. If the lldb executable returns a valid
path, it is added to sys.path and the import is attempted again. If that fails, 3. On Mac OS X the
default Xcode 4.5 installation path.
"""
# Try simple 'import lldb', in case of a system-wide install or a
# pre-configured PYTHONPATH
try:
import lldb
return True
except ImportError:
pass
# Allow overriding default path to lldb executable with the LLDB
# environment variable
lldb_executable = 'lldb'
if 'LLDB' in os.environ and os.path.exists(os.environ['LLDB']):
lldb_executable = os.environ['LLDB']
# Try using builtin module location support ('lldb -P')
from subprocess import check_output, CalledProcessError
try:
with open(os.devnull, 'w') as fnull:
lldb_minus_p_path = check_output(
"%s -P" %
lldb_executable,
shell=True,
stderr=fnull).strip()
if not os.path.exists(lldb_minus_p_path):
# lldb -P returned invalid path, probably too old
pass
else:
sys.path.append(lldb_minus_p_path)
import lldb
return True
except CalledProcessError:
# Cannot run 'lldb -P' to determine location of lldb python module
pass
except ImportError:
# Unable to import lldb module from path returned by `lldb -P`
pass
# On Mac OS X, use the try the default path to XCode lldb module
if "darwin" in sys.platform:
xcode_python_path = "/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Versions/Current/Resources/Python/"
sys.path.append(xcode_python_path)
try:
import lldb
return True
except ImportError:
# Unable to import lldb module from default Xcode python path
pass
return False
if not import_lldb():
import vim
vim.command(
'redraw | echo "%s"' %
" Error loading lldb module; vim-lldb will be disabled. Check LLDB installation or set LLDB environment variable.")
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