Constrain dependency versions in requirements.txt for Python 3.9 & add script to generate requirements.txt

requirements.in

@@ -18,14 +18,25 @@
 # scripts/generate_requirements.sh.
 cirq-core~=1.3.0
 cirq-google~=1.3.0
+numpy<2.0
 tensorflow>=2.16,<2.17
 tf-keras~=2.16.0
+scipy<=1.12.0
+sympy==1.14
 
-# TODO: the next ones are not truly core requirements. A better place should be
-# found for them (long with others needed by scripts/*). They're here as a
-# stop-gap measure until then.
-yapf==0.43.0
-pylint==3.3.3
-nbformat==5.1.3
-nbclient==0.6.5
-tensorflow-docs
+# This version is needed to build & work with Python 3.9.
+setuptools==58.1.0
+
+# The rest are transitive dependencies that need to be constrained either
+# because pip may try to install incompatible versions, or the higher versions
+# require Python 3.10+ and we want to maintain Python 3.9 compatibility.
+contourpy<=1.3.0
+h5py==3.10.0
+importlib_metadata<5
+jax<0.4.24
+jaxlib<0.4.24
+matplotlib<3.10
+networkx<3.3
+pillow<=11.0
+protobuf==4.25.8
+wrapt<2

requirements.txt

@@ -1,27 +1,17 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-strip-extras
+#    ./scripts/generate_requirements.sh
 #
-
-absl-py==2.1.0
+absl-py==2.3.1
     # via
     #   keras
     #   tensorboard
     #   tensorflow
-    #   tensorflow-docs
-astor==0.8.1
-    # via tensorflow-docs
-astroid==3.3.11
-    # via pylint
 astunparse==1.6.3
     # via tensorflow
-attrs==25.4.0
-    # via
-    #   jsonschema
-    #   referencing
-cachetools==6.2.2
+cachetools==6.2.4
     # via google-auth
 certifi==2025.11.12
     # via requests
@@ -33,104 +23,98 @@ cirq-core==1.3.0
     #   cirq-google
 cirq-google==1.3.0
     # via -r requirements.in
-contourpy==1.3.2
-    # via matplotlib
+contourpy==1.3.0
+    # via
+    #   -r requirements.in
+    #   matplotlib
 cycler==0.12.1
     # via matplotlib
-dill==0.4.0
-    # via pylint
 duet==0.2.9
     # via cirq-core
-flatbuffers==25.9.23
+flatbuffers==25.12.19
     # via tensorflow
-fonttools==4.60.1
-    # via matplotlib
-gast==0.6.0
+fonttools==4.60.2
+    # via
+    #   -c requirements-pins.txt
+    #   matplotlib
+gast==0.7.0
     # via tensorflow
 google-api-core[grpc]==2.28.1
     # via cirq-google
-google-auth==2.43.0
+google-auth==2.45.0
     # via google-api-core
 google-pasta==0.2.0
     # via tensorflow
 googleapis-common-protos==1.72.0
     # via
     #   google-api-core
     #   grpcio-status
-grpcio==1.60.2
+grpcio==1.76.0
     # via
     #   google-api-core
     #   grpcio-status
     #   tensorboard
     #   tensorflow
-grpcio-status==1.60.2
+grpcio-status==1.62.3
     # via google-api-core
-h5py==3.15.1
+h5py==3.10.0
     # via
+    #   -r requirements.in
     #   keras
     #   tensorflow
 idna==3.11
     # via requests
-ipython-genutils==0.2.0
-    # via nbformat
-isort==5.13.2
-    # via pylint
-jinja2==3.1.6
-    # via tensorflow-docs
-jsonschema==4.25.1
-    # via nbformat
-jsonschema-specifications==2025.9.1
-    # via jsonschema
-jupyter-client==8.6.3
-    # via nbclient
-jupyter-core==5.9.1
+importlib-metadata==4.13.0
     # via
-    #   jupyter-client
-    #   nbformat
-keras==3.12.0
+    #   -r requirements.in
+    #   jax
+    #   markdown
+importlib-resources==6.5.2
+    # via matplotlib
+jax==0.4.23
+    # via -r requirements.in
+jaxlib==0.4.23
+    # via -r requirements.in
+keras==3.10.0
     # via tensorflow
-kiwisolver==1.4.9
+kiwisolver==1.4.7
     # via matplotlib
 libclang==18.1.1
     # via tensorflow
-markdown==3.10
+markdown==3.9
     # via tensorboard
-markdown-it-py==4.0.0
+markdown-it-py==3.0.0
     # via rich
 markupsafe==3.0.3
+    # via werkzeug
+matplotlib==3.9.4
     # via
-    #   jinja2
-    #   werkzeug
-matplotlib==3.10.7
-    # via cirq-core
-mccabe==0.7.0
-    # via pylint
+    #   -r requirements.in
+    #   cirq-core
 mdurl==0.1.2
     # via markdown-it-py
 ml-dtypes==0.3.2
     # via
+    #   jax
+    #   jaxlib
     #   keras
     #   tensorflow
 mpmath==1.3.0
     # via sympy
 namex==0.1.0
     # via keras
-nbclient==0.6.5
-    # via -r requirements.in
-nbformat==5.1.3
+networkx==3.2.1
     # via
     #   -r requirements.in
-    #   nbclient
-    #   tensorflow-docs
-nest-asyncio==1.6.0
-    # via nbclient
-networkx==3.4.2
-    # via cirq-core
+    #   cirq-core
 numpy==1.26.4
     # via
+    #   -r requirements.in
     #   cirq-core
     #   contourpy
     #   h5py
+    #   jax
+    #   jaxlib
     #   keras
     #   matplotlib
     #   ml-dtypes
@@ -139,7 +123,9 @@ numpy==1.26.4
     #   tensorboard
     #   tensorflow
 opt-einsum==3.4.0
-    # via tensorflow
+    # via
+    #   jax
+    #   tensorflow
 optree==0.18.0
     # via keras
 packaging==25.0
@@ -149,27 +135,24 @@ packaging==25.0
     #   tensorflow
 pandas==2.3.3
     # via cirq-core
-pillow==12.0.0
-    # via matplotlib
-platformdirs==4.5.0
+pillow==11.0.0
     # via
-    #   jupyter-core
-    #   pylint
-    #   yapf
-proto-plus==1.26.1
+    #   -r requirements.in
+    #   matplotlib
+proto-plus==1.27.0
     # via
     #   cirq-google
     #   google-api-core
 protobuf==4.25.8
     # via
+    #   -r requirements.in
     #   cirq-google
     #   google-api-core
     #   googleapis-common-protos
     #   grpcio-status
     #   proto-plus
     #   tensorboard
     #   tensorflow
-    #   tensorflow-docs
 pyasn1==0.6.1
     # via
     #   pyasn1-modules
@@ -178,39 +161,28 @@ pyasn1-modules==0.4.2
     # via google-auth
 pygments==2.19.2
     # via rich
-pylint==3.3.3
-    # via -r requirements.in
 pyparsing==3.2.5
     # via matplotlib
 python-dateutil==2.9.0.post0
     # via
-    #   jupyter-client
     #   matplotlib
     #   pandas
 pytz==2025.2
     # via pandas
-pyyaml
-    # via tensorflow-docs
-pyzmq==27.1.0
-    # via jupyter-client
-referencing==0.37.0
-    # via
-    #   jsonschema
-    #   jsonschema-specifications
 requests==2.32.5
     # via
     #   google-api-core
     #   tensorflow
 rich==14.2.0
     # via keras
-rpds-py==0.29.0
-    # via
-    #   jsonschema
-    #   referencing
 rsa==4.9.1
     # via google-auth
-scipy==1.15.3
-    # via cirq-core
+scipy==1.12.0
+    # via
+    #   -r requirements.in
+    #   cirq-core
+    #   jax
+    #   jaxlib
 six==1.17.0
     # via
     #   astunparse
@@ -221,7 +193,9 @@ six==1.17.0
 sortedcontainers==2.4.0
     # via cirq-core
 sympy==1.14.0
-    # via cirq-core
+    # via
+    #   -r requirements.in
+    #   cirq-core
 tensorboard==2.16.2
     # via tensorflow
 tensorboard-data-server==0.7.2
@@ -230,47 +204,44 @@ tensorflow==2.16.2
     # via
     #   -r requirements.in
     #   tf-keras
-tensorflow-docs==2025.2.19.33219
-    # via -r requirements.in
 tensorflow-io-gcs-filesystem==0.37.1
     # via tensorflow
-termcolor==3.2.0
+termcolor==3.1.0
     # via tensorflow
 tf-keras==2.16.0
     # via -r requirements.in
-tomlkit==0.13.3
-    # via pylint
-tornado==6.5.2
-    # via jupyter-client
 tqdm==4.67.1
     # via cirq-core
-traitlets==5.14.3
-    # via
-    #   jupyter-client
-    #   jupyter-core
-    #   nbclient
-    #   nbformat
 typing-extensions==4.15.0
     # via
     #   cirq-core
+    #   grpcio
     #   optree
-    #   referencing
     #   tensorflow
-tzdata==2025.2
+tzdata==2025.3
     # via pandas
-urllib3==2.5.0
-    # via requests
-werkzeug==3.1.3
-    # via tensorboard
+urllib3==2.6.2
+    # via
+    #   -c requirements-pins.txt
+    #   requests
+werkzeug==3.1.4
+    # via
+    #   -c requirements-pins.txt
+    #   tensorboard
 wheel==0.45.1
     # via astunparse
 wrapt==1.17.3
-    # via tensorflow
-yapf==0.43.0
-    # via -r requirements.in
+    # via
+    #   -r requirements.in
+    #   tensorflow
+zipp==3.23.0
+    # via
+    #   importlib-metadata
+    #   importlib-resources
 
 # The following packages are considered to be unsafe in a requirements file:
-setuptools==68.2.2
+setuptools==58.1.0
     # via
+    #   -r requirements.in
     #   tensorboard
     #   tensorflow