Spaces:
Running
Running
File size: 2,657 Bytes
caf58a4 b96e8d3 caf58a4 b7ca126 7acebb6 caf58a4 b7ca126 7acebb6 b7ca126 7acebb6 b7ca126 7acebb6 b7ca126 2600822 52f940c b96e8d3 52f940c d7841a4 ae8fa7f d7841a4 ae8fa7f d7841a4 ae8fa7f d7841a4 52f940c d7841a4 ae8fa7f e957e34 59d9435 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 |
import os
import sys
import warnings
# Check if JuliaCall is already loaded, and if so, warn the user
# about the relevant environment variables. If not loaded,
# set up sensible defaults.
if "juliacall" in sys.modules:
warnings.warn(
"juliacall module already imported. "
"Make sure that you have set the environment variable `PYTHON_JULIACALL_HANDLE_SIGNALS=yes` to avoid segfaults. "
"Also note that PySR will not be able to configure `PYTHON_JULIACALL_THREADS` or `PYTHON_JULIACALL_OPTLEVEL` for you."
)
else:
# Required to avoid segfaults (https://juliapy.github.io/PythonCall.jl/dev/faq/)
if os.environ.get("PYTHON_JULIACALL_HANDLE_SIGNALS", "yes") != "yes":
warnings.warn(
"PYTHON_JULIACALL_HANDLE_SIGNALS environment variable is set to something other than 'yes' or ''. "
+ "You will experience segfaults if running with multithreading."
)
if os.environ.get("PYTHON_JULIACALL_THREADS", "auto") != "auto":
warnings.warn(
"PYTHON_JULIACALL_THREADS environment variable is set to something other than 'auto', "
"so PySR was not able to set it. You may wish to set it to `'auto'` for full use "
"of your CPU."
)
# TODO: Remove these when juliapkg lets you specify this
for k, default in (
("PYTHON_JULIACALL_HANDLE_SIGNALS", "yes"),
("PYTHON_JULIACALL_THREADS", "auto"),
("PYTHON_JULIACALL_OPTLEVEL", "3"),
):
os.environ[k] = os.environ.get(k, default)
from juliacall import Main as jl # type: ignore
jl_version = (jl.VERSION.major, jl.VERSION.minor, jl.VERSION.patch)
# Next, automatically load the juliacall extension if we're in a Jupyter notebook
autoload_extensions = os.environ.get("PYSR_AUTOLOAD_EXTENSIONS", "yes")
if autoload_extensions in {"yes", ""} and jl_version >= (1, 9, 0):
try:
get_ipython = sys.modules["IPython"].get_ipython
if "IPKernelApp" not in get_ipython().config:
raise ImportError("console")
print(
"Detected Jupyter notebook. Loading juliacall extension. Set `PYSR_AUTOLOAD_EXTENSIONS=no` to disable."
)
# TODO: Turn this off if juliacall does this automatically
get_ipython().run_line_magic("load_ext", "juliacall")
except Exception:
pass
elif autoload_extensions not in {"no", "yes", ""}:
warnings.warn(
"PYSR_AUTOLOAD_EXTENSIONS environment variable is set to something other than 'yes' or 'no' or ''."
)
jl.seval("using SymbolicRegression")
SymbolicRegression = jl.SymbolicRegression
jl.seval("using Pkg: Pkg")
Pkg = jl.Pkg
|