$ python3 -c "import clingo; print(hasattr(clingo.Symbol, '_rep'), clingo.__version__)"
False 5.5.0 # False means non-CFFI
$ git checkout 49ac3471cf97f5308c648a78a9fd7b0c3a083e90
$ ./bin/spack spec -I libxml2+python
# concretizes....
$ git checkout 0ce08640e08de8f7313a4b3974131e2efa5249e0
$ ./bin/spack spec -I libxml2+python
Input spec
--------------------------------
- libxml2+python
Concretized
--------------------------------
==> Error: 'sqlite'
diff --git a/etc/spack/defaults/config.yaml b/etc/spack/defaults/config.yaml
index d1a7f35a6d..e8147838b6 100644
--- a/etc/spack/defaults/config.yaml
+++ b/etc/spack/defaults/config.yaml
@@ -160,7 +160,7 @@ config:
#
# 'clingo' currently requires the clingo ASP solver to be installed and
# built with python bindings. 'original' is built in.
- concretizer: original
+ concretizer: clingo
# How long to wait to lock the Spack installation database. This lock is used
diff --git a/etc/spack/defaults/packages.yaml b/etc/spack/defaults/packages.yaml
index bf9148315b..9eacff87c6 100644
--- a/etc/spack/defaults/packages.yaml
+++ b/etc/spack/defaults/packages.yaml
@@ -53,3 +53,9 @@ packages:
permissions:
read: world
write: user
+ python:
+ version: [3.8.2]
+ buildable: false
+ externals:
+ - spec: python@3.8.2
+ prefix: /usr $ spack spec -I libxml2+python
Traceback (most recent call last):
File "./bin/spack", line 68, in <module>
sys.exit(spack.main.main())
File "spack/lib/spack/spack/main.py", line 762, in main
return _invoke_command(command, parser, args, unknown)
File "spack/lib/spack/spack/main.py", line 490, in _invoke_command
return_val = command(parser, args)
File "spack/lib/spack/spack/cmd/spec.py", line 102, in spec
spec.concretize()
File "spack/lib/spack/spack/spec.py", line 2528, in concretize
self._new_concretize(tests)
File "spack/lib/spack/spack/spec.py", line 2498, in _new_concretize
result = spack.solver.asp.solve([self], tests=tests)
File "spack/lib/spack/spack/solver/asp.py", line 1625, in solve
return driver.solve(setup, specs, dump, models, timers, stats, tests)
File "spack/lib/spack/spack/solver/asp.py", line 362, in solve
answers = builder.build_specs(tuples)
File "spack/lib/spack/spack/solver/asp.py", line 1549, in build_specs
action(*args)
File "spack/lib/spack/spack/solver/asp.py", line 1429, in version
self._specs[pkg].versions = spack.version.ver([version])
KeyError: 'sqlite'
Steps to reproduce the issue
Discovered while merging develop into #20657, appears to have been introduced in 0ce0864
Using
clingo@masterwith the standard (i.e., non-CFFI) Python module:Result of
git diffin the spack repo:Error Message
Information on your system
Additional information
spack debug reportand reported the version of Spack/Python/Platform