pkgs/sage-conf_conda: New, use it in conda install instructions

Matthias Koeppe · Matthias Koeppe · commit efb23b08e74b · 2023-09-30T15:14:06.000-07:00
diff --git a/pkgs/sage-conf_conda/.gitignore b/pkgs/sage-conf_conda/.gitignore
@@ -0,0 +1,6 @@
+/_sage_conf/_conf.py
+/build
+/dist
+/*.egg-info
+/.tox
+/bin/sage-env-config
diff --git a/pkgs/sage-conf_conda/MANIFEST.in b/pkgs/sage-conf_conda/MANIFEST.in
@@ -0,0 +1 @@
+../sage-conf_pypi/MANIFEST.in
diff --git a/pkgs/sage-conf_conda/README.rst b/pkgs/sage-conf_conda/README.rst
@@ -0,0 +1 @@
+../sage-conf/README.rst
diff --git a/pkgs/sage-conf_conda/VERSION.txt b/pkgs/sage-conf_conda/VERSION.txt
@@ -0,0 +1 @@
+10.2.beta5
diff --git a/pkgs/sage-conf_conda/_sage_conf b/pkgs/sage-conf_conda/_sage_conf
@@ -0,0 +1 @@
+../sage-conf/_sage_conf
diff --git a/pkgs/sage-conf_conda/bin b/pkgs/sage-conf_conda/bin
@@ -0,0 +1 @@
+../sage-conf_pypi/bin
diff --git a/pkgs/sage-conf_conda/pyproject.toml b/pkgs/sage-conf_conda/pyproject.toml
@@ -0,0 +1 @@
+../sage-conf/pyproject.toml
diff --git a/pkgs/sage-conf_conda/sage_conf.py b/pkgs/sage-conf_conda/sage_conf.py
@@ -0,0 +1 @@
+../sage-conf/sage_conf.py
diff --git a/pkgs/sage-conf_conda/sage_root b/pkgs/sage-conf_conda/sage_root
@@ -0,0 +1 @@
+../sage-conf_pypi/sage_root
diff --git a/pkgs/sage-conf_conda/setup.cfg b/pkgs/sage-conf_conda/setup.cfg
@@ -0,0 +1 @@
+../sage-conf/setup.cfg
diff --git a/pkgs/sage-conf_conda/setup.py b/pkgs/sage-conf_conda/setup.py
@@ -0,0 +1,77 @@
+import os
+import sys
+import shutil
+import sysconfig
+import platform
+
+from setuptools import setup
+from distutils.command.build_scripts import build_scripts as distutils_build_scripts
+from setuptools.command.build_py import build_py as setuptools_build_py
+from setuptools.command.egg_info import egg_info as setuptools_egg_info
+from distutils.errors import (DistutilsSetupError, DistutilsModuleError,
+                              DistutilsOptionError)
+
+class build_py(setuptools_build_py):
+
+    def run(self):
+        DOT_SAGE = os.environ.get('DOT_SAGE', os.path.join(os.environ.get('HOME'), '.sage'))
+        HERE = os.path.dirname(__file__)
+        with open(os.path.join(HERE, 'VERSION.txt')) as f:
+            sage_version = f.read().strip()
+        # After #30534, SAGE_LOCAL no longer contains any Python.  So we key the SAGE_ROOT only to Sage version
+        # and architecture.
+        system = platform.system()
+        machine = platform.machine()
+        arch_tag = f'{system}-{machine}'
+        # TODO: These two should be user-configurable with options passed to "setup.py install"
+        SAGE_ROOT = os.path.join(DOT_SAGE, f'sage-{sage_version}-{arch_tag}-conda')
+        SAGE_LOCAL = os.path.join(SAGE_ROOT, 'local')
+        if os.path.exists(os.path.join(SAGE_ROOT, 'config.status')):
+            print(f'Reusing SAGE_ROOT={SAGE_ROOT}')
+        else:
+            # config.status and other configure output has to be writable.
+            # So (until the Sage distribution supports VPATH builds - #21469), we have to make a copy of sage_root.
+            try:
+                shutil.copytree('sage_root', SAGE_ROOT)  # will fail if already exists
+            except Exception:
+                raise DistutilsSetupError(f"the directory SAGE_ROOT={SAGE_ROOT} already exists but it is not configured.  Please remove it and try again.")
+            cmd = f"cd {SAGE_ROOT} && {SETENV} && ./configure --prefix={SAGE_LOCAL} --with-python={sys.executable} --enable-build-as-root --enable-download-from-upstream-url --with-system-python3=force --with-sage-venv --disable-notebook --disable-sagelib --disable-sage_conf --disable-doc"
+            cmd += """
+                    --with-python=$CONDA_PREFIX/bin/python             \
+                    --prefix=$CONDA_PREFIX                             \
+                    --enable-system-site-packages                      \
+                    $(for pkg in $(./sage -package list :standard:     \
+                                     --exclude rpy2                    \
+                                     --has-file spkg-configure.m4      \
+                                     --has-file distros/conda.txt); do \
+                          echo --with-system-$pkg=force;               \
+                      done)"""
+            print(f"Running {cmd}")
+            sys.stdout.flush()
+            if os.system(cmd) != 0:
+                print(f"configure failed; this may be caused by missing build prerequisites.")
+                sys.stdout.flush()
+                PREREQ_SPKG = "_prereq bzip2 xz libffi"  # includes python3 SPKG_DEPCHECK packages
+                os.system(f'cd {SAGE_ROOT} && export SYSTEM=$(build/bin/sage-guess-package-system 2>/dev/null) && export PACKAGES="$(build/bin/sage-get-system-packages $SYSTEM {PREREQ_SPKG})" && [ -n "$PACKAGES" ] && echo "You can install the required build prerequisites using the following shell command" && echo "" && build/bin/sage-print-system-package-command $SYSTEM --verbose --sudo install $PACKAGES && echo ""')
+                raise DistutilsSetupError("configure failed")
+
+        # In this mode, we never run "make".
+
+        # Install configuration
+        shutil.copyfile(os.path.join(SAGE_ROOT, 'pkgs', 'sage-conf', '_sage_conf', '_conf.py'),
+                        os.path.join(HERE, '_sage_conf', '_conf.py'))
+        shutil.copyfile(os.path.join(SAGE_ROOT, 'src', 'bin', 'sage-env-config'),
+                        os.path.join(HERE, 'bin', 'sage-env-config'))
+        setuptools_build_py.run(self)
+
+class build_scripts(distutils_build_scripts):
+
+    def run(self):
+        self.distribution.scripts.append(os.path.join('bin', 'sage-env-config'))
+        if not self.distribution.entry_points:
+            self.entry_points = self.distribution.entry_points = dict()
+        distutils_build_scripts.run(self)
+
+setup(
+    cmdclass=dict(build_py=build_py, build_scripts=build_scripts)
+)
diff --git a/pkgs/sage-conf_pypi/pyproject.toml b/pkgs/sage-conf_pypi/pyproject.toml
diff --git a/pkgs/sage-conf_pypi/pyproject.toml b/pkgs/sage-conf_pypi/pyproject.toml
@@ -0,0 +1 @@
+../sage-conf/pyproject.toml
diff --git a/src/doc/en/installation/conda.rst b/src/doc/en/installation/conda.rst
@@ -135,24 +135,12 @@ Here we assume that you are using a git checkout.
 
     By default, the most recent version of Python supported by Sage is
     installed. You can use the additional option ``python=3.9`` in the above
-    ``env create`` command to select another Python version (here 3.9). 
-
-  - Run the ``configure`` script::
-
-      $ ./bootstrap
-      $ ./configure --with-python=$CONDA_PREFIX/bin/python             \
-                    --prefix=$CONDA_PREFIX                             \
-                    $(for pkg in $(./sage -package list :standard:     \
-                                     --exclude rpy2                    \
-                                     --has-file spkg-configure.m4      \
-                                     --has-file distros/conda.txt); do \
-                          echo --with-system-$pkg=force;               \
-                      done)
+    ``env create`` command to select another Python version (here 3.9).
 
   - Install the build prerequisites and the Sage library::
 
-      $ pip install --no-build-isolation -v -v --editable ./pkgs/sage-conf ./pkgs/sage-setup
-      $ pip install --no-build-isolation -v -v --editable ./src
+      $ pip install --no-build-isolation -v -v --editable ./pkgs/sage-conf_conda ./pkgs/sage-setup
+      $ pip install --no-build-isolation --config-settings editable_mode=compat -v -v --editable ./src
 
   - Verify that Sage has been installed::
 
