Simplify build system to the minimum required. NOTE: Editable mode is…

… only supported via `python conanfile.py`

conanfile.py

@@ -5,7 +5,6 @@
 import subprocess
 import sys
 from datetime import datetime
-import warnings
 
 import pkg_resources
 
@@ -18,7 +17,7 @@
 warningColor = '\033[93m'
 endColor = '\033[0m'
 
-# TODO: Remove this check (deprecated, same as buildDeprecated flag below).
+# TODO: Remove this check (deprecated, same as managePipEnvironment flag below).
 try:
     from conans import __version__ as conan_version
     if int(conan_version[0]) >= 2:
@@ -43,22 +42,22 @@
     "vizInterface": True,
     "buildProject": True,
 
-    # XXX: Set deprecatedBuild to True to keep the old behaviour of managing the
-    # `pip` environment directly (upgrading, installing Python packages, etc.).
-    # This behaviour is deprecated using the new pip-based installation, and
-    # should only be required for users who are still calling this file with
-    # `python conanfile.py ...`.
-    # TODO: Remove all deprecatedBuild behaviour!
-    "deprecatedBuild": False
+    # XXX: Set managePipEnvironment to True to keep the old behaviour of
+    # managing the `pip` environment directly (upgrading, installing Python
+    # packages, etc.). This behaviour is deprecated using the new pip-based
+    # installation, and should only be required for users who are still calling
+    # this file with `python conanfile.py ...`.
+    # TODO: Remove all managePipEnvironment behaviour!
+    "managePipEnvironment": True
 }
 bskModuleOptionsString = {
-    "autoKey": "",  # TODO: Remove, used only for deprecatedBuild.
+    "autoKey": "",  # TODO: Remove, used only for managePipEnvironment.
     "pathToExternalModules": "",
     "pyLimitedAPI": "",
 }
 bskModuleOptionsFlag = {
     "clean": False,
-    "allOptPkg": False  # TODO: Remove, used only for deprecatedBuild.
+    "allOptPkg": False  # TODO: Remove, used only for managePipEnvironment.
 }
 
 # this statement is needed to enable Windows to print ANSI codes in the Terminal
@@ -98,11 +97,11 @@ class BasiliskConan(ConanFile):
 
 
     def system_requirements(self):
-        if not self.options.deprecatedBuild:
+        if not self.options.managePipEnvironment:
             return  # Don't need to manage any pip requirements
 
         # TODO: Remove everything here, which only runs if we have set
-        # deprecatedBuild (i.e. conanfile.py-based build).
+        # managePipEnvironment (i.e. conanfile.py-based build).
 
         # ensure latest pip is installed
         if is_running_virtual_env() or platform.system() == "Windows":
@@ -288,7 +287,7 @@ def build(self):
         cmake.parallel = True
         print(statusColor + "Configuring cmake..." + endColor)
         cmake.configure()
-        if self.options.deprecatedBuild:
+        if self.options.managePipEnvironment:
             # TODO: Remove this, it's only needed when conanfile.py is handling pip installations.
             self.add_basilisk_to_sys_path()
         if self.options.buildProject:
@@ -313,7 +312,7 @@ def build(self):
 
     def add_basilisk_to_sys_path(self):
         print("Adding Basilisk module to python\n")
-        add_basilisk_module_command = [sys.executable, "-m", "pip", "install", "-e", "deprecatedBuild"]
+        add_basilisk_module_command = [sys.executable, "-m", "pip", "install", "--no-build-isolation", "-e", "."]
         if not is_running_virtual_env() and self.options.autoKey != 's':
             add_basilisk_module_command.append("--user")
 
@@ -327,9 +326,6 @@ def add_basilisk_to_sys_path(self):
             print("This resulted in the stderr: \n%s" % err.decode())
 
 if __name__ == "__main__":
-    warnings.warn("Installation via 'conanfile.py' is deprecated. Please use `pip` installation instead!", DeprecationWarning)
-    # TODO: Disable this usage entirely, including all "deprecatedBuild" items.
-
     # make sure conan is configured to use the libstdc++11 by default
     # XXX: This needs to be run before dispatching to Conan (i.e. outside of the
     # ConanFile object), because it affects the configuration of the first run.
@@ -405,7 +401,6 @@ def add_basilisk_to_sys_path(self):
     for opt, value in bskModuleOptionsFlag.items():
         if vars(args)[opt]:
             conanCmdString.append(' -o ' + opt + '=True')
-    conanCmdString.append(' -o deprecatedBuild=True')  # TODO: Remove everything that runs with deprecatedBuild!
     conanCmdString = ''.join(conanCmdString)
     print(statusColor + "Running this conan command:" + endColor)
     print(conanCmdString)

pyproject.toml

@@ -1,18 +1,16 @@
 [build-system]
+build-backend = "setuptools.build_meta"
 requires = [
-    "setuptools>=64",  # For PEP 660 (Allow editable installs from pyproject.toml)
+    "setuptools>=64",       # For PEP 660 (Allow editable installs from pyproject.toml)
     "setuptools-scm>=8.0",  # Automatically include all Git-controlled files in sdist
 
-    # Requirements for building Basilisk through setuptools and conanfile
+    # Requirements for building Basilisk through conanfile
     "conan>=1.46, <2.00.0",
     "cmake>=3.26",
     "parse>=1.18.0",
     "swig==4.2.0.post0"  # Known to work with https://github.com/nightlark/swig-pypi/pull/120
 ]
 
-# Use setuptools to build everything.
-build-backend = "setuptools.build_meta"
-
 [project]
 name        = 'Basilisk'
 dynamic     = ["version", "dependencies", "optional-dependencies"]
@@ -25,6 +23,14 @@ description = "Basilisk: an Astrodynamics Simulation Framework"
 [project.urls]
 homepage = 'https://hanspeterschaub.info/basilisk/'
 
+[tool.setuptools]
+packages = []  # XXX: Leave blank, populated automatically by setup.py.
+include-package-data = true
+
+[tool.setuptools.package-data]
+"*" = ["*.so", "*.dll", "*.lib", "*.pyd"]  # Include all built objects.
+Basilisk = ["supportData/**/*"]            # Include all support data.
+
 [tool.setuptools.dynamic]
 version = {file = "docs/source/bskVersion.txt"}
 dependencies = {file = "requirements.txt"}