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update setup.py w.r.t. SCIP 10 #1106

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Nov 11, 2025
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update setup.py w.r.t. SCIP 10 #1106

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28 changes: 12 additions & 16 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,10 @@
else:
# fall back to global installation
if platform.system() == "Darwin":
includedir = "/usr/local/include"
includedirs = ["/usr/local/include"]
libdir = "/usr/local/lib"
else:
includedir = "."
includedirs = ["."]
libdir = "."
libname = "libscip" if platform.system() == "Windows" else "scip"
print("Assuming that SCIP is installed globally, because SCIPOPTDIR is undefined.\n")
Expand All @@ -34,39 +34,36 @@

# check whether SCIP is installed in the given directory
if os.path.exists(os.path.join(scipoptdir, "include")):
includedir = os.path.abspath(os.path.join(scipoptdir, "include"))
includedirs = [os.path.abspath(os.path.join(scipoptdir, "include"))]
else:
print(f"SCIPOPTDIR={scipoptdir} does not contain an include directory; searching for include files in src or ../src directory.")
print("SCIPOPTDIR=%s does not contain an include directory; searching for include files in src or ../src directory.\n" % scipoptdir)

if os.path.exists(os.path.join(scipoptdir, "src")):
# SCIP seems to be installed in-place; check whether it was built using make or cmake
if os.path.exists(os.path.join(scipoptdir, "src", "scip")):
# assume that SCIPOPTDIR pointed to the main source directory (make)
includedir = os.path.abspath(os.path.join(scipoptdir, "src"))
includedirs = [os.path.abspath(os.path.join(scipoptdir, "src")), os.path.abspath(os.path.join(scipoptdir, "lib/shared/include"))]
else:
# assume that SCIPOPTDIR pointed to a cmake build directory; try one level up (this is just a heuristic)
if os.path.exists(os.path.join(scipoptdir, "..", "src", "scip")):
includedir = os.path.abspath(os.path.join(scipoptdir, "..", "src"))
includedirs = [os.path.abspath(os.path.join(scipoptdir, "..", "src"))]
else:
sys.exit(f"Could neither find src/scip nor ../src/scip directory in SCIPOPTDIR={scipoptdir}. Consider installing SCIP in a separate directory.")
sys.exit("Could neither find src/scip nor ../src/scip directory in SCIPOPTDIR=%s. Consider installing SCIP in a separate directory." % scipoptdir)
else:
sys.exit(f"Could not find a src directory in SCIPOPTDIR={scipoptdir}; maybe it points to a wrong directory.")
sys.exit("Could not find a src directory in SCIPOPTDIR=%s; maybe it points to a wrong directory." % scipoptdir)

# determine library
if os.path.exists(os.path.join(scipoptdir, "lib", "shared", "libscip.so")):
# SCIP seems to be created with make
libdir = os.path.abspath(os.path.join(scipoptdir, "lib", "shared"))
libname = "scip"
extra_compile_args.append("-DNO_CONFIG_HEADER")
# the following is a temporary hack to make it compile with SCIP/make:
extra_compile_args.append("-DTPI_NONE") # if other TPIs are used, please modify
else:
# assume that SCIP is installed on the system
libdir = os.path.abspath(os.path.join(scipoptdir, "lib"))
libname = "libscip" if platform.system() == "Windows" else "scip"

print(f"Using include path {includedir}.")
print(f"Using SCIP library {libname} at {libdir}.\n")
print("Using include path %s." % includedirs)
print("Using SCIP library %s at %s.\n" % (libname, libdir))

# set runtime libraries
if platform.system() in ["Linux", "Darwin"]:
Expand Down Expand Up @@ -96,16 +93,15 @@

ext = ".pyx" if use_cython else ".c"


on_github_actions = os.getenv('GITHUB_ACTIONS') == 'true'
release_mode = os.getenv('RELEASE') == 'true'
compile_with_line_tracing = on_github_actions and not release_mode

extensions = [
Extension(
"pyscipopt.scip",
[os.path.join(packagedir, f"scip{ext}")],
include_dirs=[includedir],
[os.path.join(packagedir, "scip%s" % ext)],
include_dirs=includedirs,
library_dirs=[libdir],
libraries=[libname],
extra_compile_args=extra_compile_args,
Expand Down
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