Merging v0.7.2 hotfix changes

.github/workflows/publish.yml

@@ -75,10 +75,16 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install Pulser from PyPI
+        timeout-minutes: 5
         shell: bash
         run: |
           python -m pip install --upgrade pip
-          pip install pulser
+          version="$(head -1 VERSION.txt)"
+          until pip install pulser==$version
+          do
+            echo "Failed to install from PyPI, will wait for upload and retry."
+            sleep 30
+          done
       - name: Test the installation
         shell: bash
         run: |

VERSION.txt

@@ -1 +1 @@
-0.8dev2
+0.8dev3

pulser-core/pulser/json/supported.py

@@ -85,6 +85,7 @@
         "KaiserWaveform",
     ),
     "pulser.sequence.sequence": ("Sequence",),
+    "pulser.sequence": ("Sequence",),
     "pulser.parametrized.variable": ("Variable",),
     "pulser.parametrized.paramobj": ("ParamObj",),
 }

pulser-core/pulser/sequence/sequence.py

@@ -1155,7 +1155,12 @@ def _phase_shift(
                 self._basis_ref[basis][qubit].increment_phase(phi)
 
     def _to_dict(self) -> dict[str, Any]:
-        d = obj_to_dict(self, *self._calls[0].args, **self._calls[0].kwargs)
+        d = obj_to_dict(
+            self,
+            *self._calls[0].args,
+            _module="pulser.sequence",
+            **self._calls[0].kwargs,
+        )
         d["__version__"] = pulser.__version__
         d["calls"] = self._calls[1:]
         d["vars"] = self._variables

tests/test_json.py

@@ -198,3 +198,21 @@ def test_support():
         match="No serialization support for 'pulser.waveforms.from_max_val'",
     ):
         validate_serialization(wf_obj_dict)
+
+
+def test_sequence_module():
+    # Check that the sequence module is backwards compatible after refactoring
+    seq = Sequence(Register.square(2), Chadoq2)
+
+    obj_dict = json.loads(seq.serialize())
+    assert obj_dict["__module__"] == "pulser.sequence"
+
+    # Defensively check that the standard format runs
+    Sequence.deserialize(seq.serialize())
+
+    # Use module being used in v0.7.0-0.7.2.0
+    obj_dict["__module__"] == "pulser.sequence.sequence"
+
+    # Check that it also works
+    s = json.dumps(obj_dict)
+    Sequence.deserialize(s)