Fix #468: Remove pyzx interface

.github/workflows/cov.yml

@@ -25,7 +25,7 @@ jobs:
           python-version: ${{ env.python-version }}
 
       - name: Run pytest
-        run: uv run --extra dev --extra extra pytest --cov=./graphix --cov-report=xml --cov-report=term --doctest-modules
+        run: uv run --extra dev pytest --cov=./graphix --cov-report=xml --cov-report=term --doctest-modules
 
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5

.github/workflows/typecheck.yml

@@ -32,9 +32,9 @@ jobs:
           enable-cache: true
           python-version: ${{ env.python-version }}
 
-      - run: uv run --extra dev --extra extra --extra typing mypy
+      - run: uv run --extra dev --extra typing mypy
 
-      - run: uv run --extra dev --extra extra --extra typing pyright
+      - run: uv run --extra dev --extra typing pyright
 
   # Check that `mypy` find installed `graphix` package (#328)
   #
@@ -67,4 +67,4 @@ jobs:
         run: |
           cd ${{ runner.temp }}
           echo "from graphix import Pattern" > test_graphix_type.py
-          uv run --project ${{ github.workspace }} --no-sync mypy test_graphix_type.py
+          uv run --project ${{ github.workspace }} --no-sync mypy test_graphix_type.py

CHANGELOG.md

@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - #490: Introduced new `Instruction` and `Command` namespace classes for instruction and command instantiation.
 
-- #505
+- #505:
   - Added new methods `XZCorrections.to_causal_flow` and `XZCorrections.to_gflow` which subsume  `StandardizedPattern.extract_causal_flow` and `StandardizedPattern.extract_gflow`.
   - Added new methods `XZCorrections.to_bloch` and `XZCorrections.downcast_bloch`.
 
@@ -51,6 +51,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - #507: Static method `PauliString.from_measured_node` is subsumed by the function `extraction_ps_from_corrected_node`.
 
+- #468, #511: The `pyzx` module has been moved to a separate plugin: https://github.com/thierry-martinez/graphix-pyzx/
+  Consequently, the `pyproject.toml` no longer defines an `extra` dependency group for the `pyzx` package.
+
 - #512: Method `Circuit.simulate_statevector` accepts a `backend: DenseStateBackend[_DenseStateT] | Literal["statevector", "densitymatrix"]` parameter.
 
 ## [0.3.5] - 2026-03-26

CONTRIBUTING.md

@@ -15,7 +15,7 @@ Once created, you'll need to clone the repository, and you can follow below to s
 git clone [email protected]:<username>/graphix.git
 cd graphix
 pip install uv
-uv sync --extra dev --extra extra
+uv sync --extra dev
 ```
 
 ## Local checks

README.md

@@ -28,23 +28,17 @@ Install `graphix` with `pip`:
 pip install graphix
 ```
 
-Install with [extra dependencies](https://github.com/TeamGraphix/graphix/blob/master/pyproject.toml) (e.g. pyzx):
-
-```bash
-pip install graphix[extra]
-```
-
 ### Editable installation using pip and uv
 
 As well as support for editable installation using pip, Graphix also supports using `uv`:
 
 ```bash
 git clone https://github.com/TeamGraphix/graphix.git
 cd graphix
-uv sync --extra dev --extra extra
+uv sync --extra dev
 ```
 
-This creates a virtual environment and installs all development and extra dependencies from the `pyproject.toml` and `uv` lockfile.
+This creates a virtual environment and installs all development dependencies from the `pyproject.toml` and `uv` lockfile.
 
 ## Using graphix
 
@@ -92,12 +86,13 @@ state_out = pattern.simulate_pattern(backend="statevector")
 
 ## Graphix plugins
 
-- [graphix-stim-backend](https://github.com/thierry-martinez/graphix-stim-backend): `stim` backend for efficient Clifford pattern simulation
-- [graphix-symbolic](https://github.com/TeamGraphix/graphix-symbolic): parameterized patterns with symbolic simulation
-- [graphix-ibmq](https://github.com/TeamGraphix/graphix-ibmq): pattern transpiler for IBMQ / `qiskit`
-- [graphix-perceval](https://github.com/TeamGraphix/graphix-perceval): pattern transpiler for Quandela's `perceval` simulator and QPU
-- [graphix-qasm-parser](https://github.com/TeamGraphix/graphix-qasm-parser): a plugin for parsing OpenQASM circuit.
+- [`graphix-ibmq`](https://github.com/TeamGraphix/graphix-ibmq): pattern transpiler for IBMQ / `qiskit`
+- [`graphix-perceval`](https://github.com/TeamGraphix/graphix-perceval): pattern transpiler for Quandela's `perceval` simulator and QPU
+- [`graphix-pyzx`](https://github.com/thierry-martinez/graphix-pyzx): conversion between open graphs and PyZX diagrams
+- [`graphix-qasm-parser`](https://github.com/TeamGraphix/graphix-qasm-parser): a plugin for parsing OpenQASM circuit.
+- [`graphix-stim-backend`](https://github.com/thierry-martinez/graphix-stim-backend): `stim` backend for efficient Clifford pattern simulation
 - [`graphix-stim-compiler`](https://github.com/qat-inria/graphix-stim-compiler): `stim` backend for efficient compilation of Clifford maps.
+- [`graphix-symbolic`](https://github.com/TeamGraphix/graphix-symbolic): parameterized patterns with symbolic simulation
 
 ## Related packages
 

noxfile.py

@@ -43,28 +43,10 @@ def tests_minimal(session: Session) -> None:
     run_pytest(session, mpl=True)
 
 
-@nox.session(python=PYTHON_VERSIONS)
-def tests_dev(session: Session) -> None:
-    """Run the test suite with dev dependencies."""
-    session.install(".[dev]")
-    # We cannot run `pytest --doctest-modules` here, since some tests
-    # involve optional dependencies, like pyzx.
-    run_pytest(session, mpl=True)
-
-
-@nox.session(python=PYTHON_VERSIONS)
-def tests_extra(session: Session) -> None:
-    """Run the test suite with extra dependencies."""
-    session.install(".[extra]")
-    install_pytest(session)
-    session.install("nox")  # needed for `--doctest-modules`
-    run_pytest(session, doctest_modules=True)
-
-
 @nox.session(python=PYTHON_VERSIONS)
 def tests_all(session: Session) -> None:
     """Run the test suite with all dependencies."""
-    session.install(".[dev,extra]")
+    session.install(".[dev]")
     # This dependency is added here to avoid circular dependencies
     session.install("graphix-qasm-parser>=0.1.1")
     run_pytest(session, doctest_modules=True, mpl=True)
@@ -123,6 +105,7 @@ class ReverseDependency:
         ),
         ReverseDependency("https://github.com/TeamGraphix/graphix-ibmq", doctest_modules=False),
         ReverseDependency("https://github.com/qat-inria/graphix-stim-compiler", branch="ps_dim"),
+        ReverseDependency("https://github.com/thierry-martinez/graphix-pyzx", branch="pyzx_from_graphix"),
     ],
 )
 def tests_reverse_dependencies(session: Session, package: ReverseDependency) -> None:

pyproject.toml

@@ -69,9 +69,6 @@ doc = [
     "sphinx",
     "sphinx-gallery",
 ]
-extra = [
-    "pyzx>=0.10.0",
-]
 typing = [
     "numpy==2.4.2; python_version >= '3.11'",
     "numba==0.65.1; python_version >= '3.11'",