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#184, fix #190: support julia options 'bindir' and 'sysimage' #191

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#184, fix #190: support julia options 'bindir' and 'sysimage' #191

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37 changes: 30 additions & 7 deletions pysrc/juliacall/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,13 @@ def backtrace(self):

CONFIG = {'inited': False}

julia_info_query = r"""
import Libdl
println(Base.Sys.BINDIR)
println(abspath(Libdl.dlpath("libjulia")))
println(unsafe_string(Base.JLOptions().image_file))
"""

def init():
import os
import ctypes as c
Expand Down Expand Up @@ -86,14 +93,14 @@ def path_option(name, default=None):
return

# Parse some more options
CONFIG['opt_bindir'] = path_option('bindir') # TODO
CONFIG['opt_bindir'] = path_option('bindir')
CONFIG['opt_check_bounds'] = choice('check_bounds', ['yes', 'no']) # TODO
CONFIG['opt_compile'] = choice('compile', ['yes', 'no', 'all', 'min']) # TODO
CONFIG['opt_compiled_modules'] = choice('compiled_modules', ['yes', 'no']) # TODO
CONFIG['opt_depwarn'] = choice('depwarn', ['yes', 'no', 'error']) # TODO
CONFIG['opt_inline'] = choice('inline', ['yes', 'no']) # TODO
CONFIG['opt_optimize'] = choice('optimize', ['0', '1', '2', '3']) # TODO
CONFIG['opt_sysimage'] = path_option('sysimage') # TODO
CONFIG['opt_sysimage'] = path_option('sysimage')
CONFIG['opt_warn_overwrite'] = choice('warn_overwrite', ['yes', 'no']) # TODO

# Stop if we already initialised
Expand All @@ -109,19 +116,35 @@ def path_option(name, default=None):
CONFIG['project'] = project = juliapkg.project()

# Find the Julia library
cmd = [exepath, '--project='+project, '--startup-file=no', '-O0', '--compile=min', '-e', 'import Libdl; print(abspath(Libdl.dlpath("libjulia")))']
CONFIG['libpath'] = libpath = subprocess.run(cmd, check=True, capture_output=True, encoding='utf8').stdout
cmd = [exepath, '--project='+project, '--startup-file=no', '-O0', '--compile=min', '-e', julia_info_query]

default_bindir, default_libpath, default_sysimage = subprocess.run(cmd, check=True, capture_output=True, encoding='utf8').stdout.splitlines()
CONFIG['libpath'] = libpath = default_libpath
assert os.path.exists(libpath)

if not CONFIG.get('opt_bindir'):
CONFIG['opt_bindir'] = default_bindir
if not CONFIG.get("opt_sysimage"):
CONFIG['opt_sysimage'] = default_sysimage

# Initialise Julia
d = os.getcwd()
try:
# Open the library
os.chdir(os.path.dirname(libpath))
CONFIG['lib'] = lib = c.CDLL(libpath, mode=c.RTLD_GLOBAL)
lib.jl_init__threading.argtypes = []
lib.jl_init__threading.restype = None
lib.jl_init__threading()
try:
init_func = lib.jl_init_with_image
except AttributeError:
init_func = lib.jl_init_with_image__threading

init_func.argtypes = [c.c_char_p, c.c_char_p]
init_func.restype = None
init_func(
str(CONFIG['opt_bindir']).encode('utf-8'),
str(CONFIG['opt_sysimage']).encode('utf-8')
)

lib.jl_eval_string.argtypes = [c.c_char_p]
lib.jl_eval_string.restype = c.c_void_p
os.environ['JULIA_PYTHONCALL_LIBPTR'] = str(c.pythonapi._handle)
Expand Down