Rebuild for python 3.14 freethreading

.ci_support/linux_64_.yaml

@@ -10,10 +10,6 @@ c_stdlib_version:
 - '2.17'
 channel_sources:
 - conda-forge
-- conda-forge
-- conda-forge
-- conda-forge
-- conda-forge,conda-forge/label/python_rc
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -29,7 +25,7 @@ libgrpc:
 libprotobuf:
 - 6.31.1
 openssl:
-- '3'
+- '3.5'
 pin_run_as_build:
   python:
     min_pin: x.x
@@ -40,14 +36,13 @@ python:
 - 3.12.* *_cpython
 - 3.13.* *_cp313
 - 3.14.* *_cp314
+- 3.14.* *_cp314t
 re2:
 - 2025.08.12
 target_platform:
 - linux-64
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - python
-  - channel_sources
 zlib:
 - '1'

.ci_support/linux_aarch64_.yaml

@@ -10,10 +10,6 @@ c_stdlib_version:
 - '2.17'
 channel_sources:
 - conda-forge
-- conda-forge
-- conda-forge
-- conda-forge
-- conda-forge,conda-forge/label/python_rc
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -29,7 +25,7 @@ libgrpc:
 libprotobuf:
 - 6.31.1
 openssl:
-- '3'
+- '3.5'
 pin_run_as_build:
   python:
     min_pin: x.x
@@ -40,14 +36,13 @@ python:
 - 3.12.* *_cpython
 - 3.13.* *_cp313
 - 3.14.* *_cp314
+- 3.14.* *_cp314t
 re2:
 - 2025.08.12
 target_platform:
 - linux-aarch64
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - python
-  - channel_sources
 zlib:
 - '1'

.ci_support/linux_ppc64le_.yaml

@@ -10,10 +10,6 @@ c_stdlib_version:
 - '2.17'
 channel_sources:
 - conda-forge
-- conda-forge
-- conda-forge
-- conda-forge
-- conda-forge,conda-forge/label/python_rc
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -29,7 +25,7 @@ libgrpc:
 libprotobuf:
 - 6.31.1
 openssl:
-- '3'
+- '3.5'
 pin_run_as_build:
   python:
     min_pin: x.x
@@ -40,14 +36,13 @@ python:
 - 3.12.* *_cpython
 - 3.13.* *_cp313
 - 3.14.* *_cp314
+- 3.14.* *_cp314t
 re2:
 - 2025.08.12
 target_platform:
 - linux-ppc64le
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - python
-  - channel_sources
 zlib:
 - '1'

.ci_support/migrations/python314t.yaml

@@ -0,0 +1,47 @@
+migrator_ts: 1755739493
+__migrator:
+    commit_message: Rebuild for python 3.14 freethreading
+    migration_number: 1
+    operation: key_add
+    primary_key: python
+    ordering:
+        python:
+            - 3.9.* *_cpython
+            - 3.10.* *_cpython
+            - 3.11.* *_cpython
+            - 3.12.* *_cpython
+            - 3.13.* *_cp313
+            - 3.13.* *_cp313t
+            - 3.14.* *_cp314    # new entry
+            - 3.14.* *_cp314t   # new entry
+    longterm: true
+    pr_limit: 20
+    max_solver_attempts: 3  # this will make the bot retry "not solvable" stuff 12 times
+    exclude:
+        # this shouldn't attempt to modify the python feedstocks
+        - python
+        - pypy3.6
+        - pypy-meta
+        - cross-python
+        - python_abi
+    exclude_pinned_pkgs: false
+    # if feedstock already has 3.13t migrator this is redundant, but harmless
+    additional_zip_keys:
+        - is_freethreading
+        - is_abi3
+    wait_for_migrators:
+        - python314
+    ignored_deps_per_node:
+        matplotlib:
+            - pyqt
+    allowlist_file: free-threaded-314.txt
+
+python:
+- 3.14.* *_cp314t
+# additional entries to add for zip_keys
+is_freethreading:
+- true
+is_python_min:
+- false
+is_abi3:
+- false

.ci_support/osx_64_.yaml

@@ -14,10 +14,6 @@ c_stdlib_version:
 - '11.0'
 channel_sources:
 - conda-forge
-- conda-forge
-- conda-forge
-- conda-forge
-- conda-forge,conda-forge/label/python_rc
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -33,7 +29,7 @@ libprotobuf:
 macos_machine:
 - x86_64-apple-darwin13.4.0
 openssl:
-- '3'
+- '3.5'
 pin_run_as_build:
   python:
     min_pin: x.x
@@ -44,14 +40,13 @@ python:
 - 3.12.* *_cpython
 - 3.13.* *_cp313
 - 3.14.* *_cp314
+- 3.14.* *_cp314t
 re2:
 - 2025.08.12
 target_platform:
 - osx-64
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - python
-  - channel_sources
 zlib:
 - '1'

.ci_support/osx_arm64_.yaml

@@ -14,10 +14,6 @@ c_stdlib_version:
 - '11.0'
 channel_sources:
 - conda-forge
-- conda-forge
-- conda-forge
-- conda-forge
-- conda-forge,conda-forge/label/python_rc
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -33,7 +29,7 @@ libprotobuf:
 macos_machine:
 - arm64-apple-darwin20.0.0
 openssl:
-- '3'
+- '3.5'
 pin_run_as_build:
   python:
     min_pin: x.x
@@ -44,14 +40,13 @@ python:
 - 3.12.* *_cpython
 - 3.13.* *_cp313
 - 3.14.* *_cp314
+- 3.14.* *_cp314t
 re2:
 - 2025.08.12
 target_platform:
 - osx-arm64
 zip_keys:
 - - c_compiler_version
   - cxx_compiler_version
-- - python
-  - channel_sources
 zlib:
 - '1'

.ci_support/win_64_.yaml

@@ -6,10 +6,6 @@ c_stdlib:
 - vs
 channel_sources:
 - conda-forge
-- conda-forge
-- conda-forge
-- conda-forge
-- conda-forge,conda-forge/label/python_rc
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -21,7 +17,7 @@ libgrpc:
 libprotobuf:
 - 6.31.1
 openssl:
-- '3'
+- '3.5'
 pin_run_as_build:
   python:
     min_pin: x.x
@@ -32,12 +28,10 @@ python:
 - 3.12.* *_cpython
 - 3.13.* *_cp313
 - 3.14.* *_cp314
+- 3.14.* *_cp314t
 re2:
 - 2025.08.12
 target_platform:
 - win-64
-zip_keys:
-- - python
-  - channel_sources
 zlib:
 - '1'

recipe/meta.yaml

@@ -73,7 +73,7 @@ source:
   {% endif %}
 
 build:
-  number: 1
+  number: 2
 
 outputs:
   - name: libgrpc