def pythonnet_init():
"""correctly sets-up pythonnet for the typetree generator"""
# prepare correct runtime
from clr_loader import get_coreclr
from pythonnet import set_runtime
rt = get_coreclr(
os.path.join(TYPETREE_GENERATOR_PATH,
"TypeTreeGenerator.runtimeconfig.json"))
set_runtime(rt)
def pytest_configure(config):
global bin_path
if "clr" in sys.modules:
# Already loaded (e.g. by the C# test runner), skip build
import clr
clr.AddReference("Python.Test")
return
runtime_opt = config.getoption("runtime")
test_proj_path = os.path.join(cwd, "..", "src", "testing")
if runtime_opt not in ["netcore", "netfx", "mono", "default"]:
raise RuntimeError(f"Invalid runtime: {runtime_opt}")
bin_path = mkdtemp()
# tmpdir_factory.mktemp(f"pythonnet-{runtime_opt}")
fw = "net6.0" if runtime_opt == "netcore" else "netstandard2.0"
check_call(["dotnet", "publish", "-f", fw, "-o", bin_path, test_proj_path])
sys.path.append(bin_path)
if runtime_opt == "default":
pass
elif runtime_opt == "netfx":
from clr_loader import get_netfx
runtime = get_netfx()
set_runtime(runtime)
elif runtime_opt == "mono":
from clr_loader import get_mono
runtime = get_mono()
set_runtime(runtime)
elif runtime_opt == "netcore":
from clr_loader import get_coreclr
rt_config_path = os.path.join(bin_path, "Python.Test.runtimeconfig.json")
runtime = get_coreclr(rt_config_path)
set_runtime(runtime)
import clr
clr.AddReference("Python.Test")
soft_mode = False
try:
os.environ['PYTHONNET_SHUTDOWN_MODE'] == 'Soft'
except: pass
if config.getoption("--runtime") == "netcore" or soft_mode\
:
collect_ignore.append("domain_tests/test_domain_reload.py")
else:
domain_tests_dir = os.path.join(os.path.dirname(__file__), "domain_tests")
bin_path = os.path.join(domain_tests_dir, "bin")
build_cmd = ["dotnet", "build", domain_tests_dir, "-o", bin_path]
is_64bits = sys.maxsize > 2**32
if not is_64bits:
build_cmd += ["/p:Prefer32Bit=True"]
check_call(build_cmd)
# This Python script can be loaded in a notebook (ipynb file)
# in order to reference QuantConnect assemblies
#
# Usage:
# %run "start.py"
import clr_loader
import os
from pythonnet import set_runtime
# The runtimeconfig.json is stored alongside start.py, but start.py may be a
# symlink and the directory start.py is stored in is not necessarily the
# current working directory. We therefore construct the absolute path to the
# start.py file, and find the runtimeconfig.json relative to that.
set_runtime(
clr_loader.get_coreclr(
os.path.join(os.path.dirname(os.path.realpath(__file__)),
"QuantConnect.Lean.Launcher.runtimeconfig.json")))
from clr import AddReference
AddReference("System")
AddReference("QuantConnect.Algorithm")
AddReference("QuantConnect.Api")
AddReference("QuantConnect.Common")
AddReference("QuantConnect.Configuration")
AddReference("QuantConnect.Research")
AddReference("QuantConnect.Indicators")
from System import *
from QuantConnect import *
from QuantConnect.Algorithm import *
from QuantConnect.Api import *
from clr_loader import get_coreclr from pythonnet import set_runtime import sys import clr rt = get_coreclr(r"/usr/local/bin/REnv.runtimeconfig.json") set_runtime(rt) sys.path.append(r"/usr/local/bin/") sys.path.append(r"/etc/r_env/library/ggplot/lib/assembly/") clr.AddReference(r"REnv.dll") # test R# engine from REnv import ExportsClr renv = ExportsClr() print(renv.__class__.__name__) result = renv.HelloWorld() print(result)