src/bin/sage-venv-config: New

build/pkgs/sagelib/src/setup.py

@@ -138,6 +138,7 @@
                  'bin/sage-massif',
                  'bin/sage-omega',
                  'bin/sage-valgrind',
+                 'bin/sage-venv-config',
                  'bin/sage-version.sh',
                  'bin/sage-cleaner',
                  ## Only makes sense in sage-the-distribution. TODO: Move to another installation script.

src/bin/sage-venv-config

@@ -0,0 +1,27 @@
+#! /doesnotexist/python3
+
+try:
+    from sage_conf import *
+except ImportError:
+    pass
+
+from sys import prefix as SAGE_VENV
+
+def _main():
+    from argparse import ArgumentParser
+    from sys import exit, stdout
+    parser = ArgumentParser()
+    parser.add_argument('--version', help="show version", action="version",
+                       version='%(prog)s ' + VERSION)
+    parser.add_argument("VARIABLE", nargs='?', help="output the value of VARIABLE")
+    args = parser.parse_args()
+    d = globals()
+    if args.VARIABLE:
+        stdout.write('{}\n'.format(d[args.VARIABLE]))
+    else:
+        for k, v in d.items():
+            if not k.startswith('_'):
+                stdout.write('{}={}\n'.format(k, v))
+
+if __name__ == "__main__":
+    _main()

src/setup.py

@@ -138,6 +138,7 @@
                  'bin/sage-massif',
                  'bin/sage-omega',
                  'bin/sage-valgrind',
+                 'bin/sage-venv-config',
                  'bin/sage-version.sh',
                  'bin/sage-cleaner',
                  ## Only makes sense in sage-the-distribution. TODO: Move to another installation script.