Implement String Accumulations with nanoarrow

.circleci/config.yml

@@ -54,7 +54,7 @@ jobs:
           command: |
             /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
             . ~/virtualenvs/pandas-dev/bin/activate
-            python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.13.1 meson[ninja]==1.2.1
+            python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.14.0 meson[ninja]==1.2.1
             python -m pip install --no-cache-dir versioneer[toml] cython numpy python-dateutil pytest>=7.3.2 pytest-xdist>=3.4.0 hypothesis>=6.84.0
             python -m pip install --no-cache-dir --no-build-isolation -e . -Csetup-args="--werror"
             python -m pip list --no-cache-dir

.github/workflows/unit-tests.yml

@@ -233,7 +233,7 @@ jobs:
         run: |
           /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
           . ~/virtualenvs/pandas-dev/bin/activate
-          python -m pip install --no-cache-dir -U pip wheel setuptools meson[ninja]==1.2.1 meson-python==0.13.1
+          python -m pip install --no-cache-dir -U pip wheel setuptools meson[ninja]==1.3.2 meson-python==0.14.0
           python -m pip install numpy -Csetup-args="-Dallow-noblas=true"
           python -m pip install --no-cache-dir versioneer[toml] cython python-dateutil pytest>=7.3.2 pytest-xdist>=3.4.0 hypothesis>=6.84.0
           python -m pip install --no-cache-dir --no-build-isolation -e . -Csetup-args="--werror"
@@ -272,7 +272,7 @@ jobs:
         run: |
           /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
           . ~/virtualenvs/pandas-dev/bin/activate
-          python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.13.1 meson[ninja]==1.2.1
+          python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.14.0 meson[ninja]==1.3.2
           python -m pip install --no-cache-dir versioneer[toml] cython numpy python-dateutil pytest>=7.3.2 pytest-xdist>=3.4.0 hypothesis>=6.84.0
           python -m pip install --no-cache-dir --no-build-isolation -e . -Csetup-args="--werror"
           python -m pip list --no-cache-dir
@@ -344,7 +344,7 @@ jobs:
       - name: Build Environment
         run: |
           python --version
-          python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.2.1 meson-python==0.13.1
+          python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.3.2 meson-python==0.14.0
           python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
           python -m pip install versioneer[toml]
           python -m pip install python-dateutil tzdata cython hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov
@@ -389,7 +389,7 @@ jobs:
         # Tests segfault with numpy 2.2.0: https://github.com/numpy/numpy/pull/27955
         run: |
           python --version
-          python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.2.1 meson-python==0.13.1
+          python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.3.2 meson-python==0.14.0
           python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple cython numpy
           python -m pip install versioneer[toml]
           python -m pip install python-dateutil pytz tzdata hypothesis>=6.84.0 pytest>=7.3.2 pytest-xdist>=3.4.0 pytest-cov

.gitignore

@@ -137,3 +137,9 @@ doc/source/savefig/
 # Interactive terminal generated files #
 ########################################
 .jupyterlite.doit.db
+
+# meson subproject files #
+##########################
+subprojects/*
+!subprojects/packagefiles
+!subprojects/*.wrap

.pre-commit-config.yaml

@@ -98,7 +98,7 @@ repos:
     rev: v19.1.6
     hooks:
     - id: clang-format
-      files: ^pandas/_libs/src|^pandas/_libs/include
+      files: ^pandas/_libs|pandas/_libs/src|^pandas/_libs/include
       args: [-i]
       types_or: [c, c++]
 -   repo: local

ci/deps/actions-310-minimum_versions.yaml

@@ -9,8 +9,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-310.yaml

@@ -7,8 +7,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-311-downstream_compat.yaml

@@ -8,8 +8,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-311-numpydev.yaml

@@ -6,8 +6,8 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
   - cython>=0.29.33
 
   # test dependencies

ci/deps/actions-311-pyarrownightly.yaml

@@ -6,9 +6,9 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - meson=1.2.1
+  - meson=1.3.2
   - cython>=0.29.33
-  - meson-python=0.13.1
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-311.yaml

@@ -7,8 +7,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-312.yaml

@@ -7,8 +7,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-pypy-39.yaml

@@ -10,8 +10,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/circle-311-arm64.yaml

@@ -7,8 +7,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython>=0.29.33
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson=1.3.2
+  - meson-python=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

environment.yml

@@ -9,8 +9,8 @@ dependencies:
   # build dependencies
   - versioneer
   - cython~=3.0.5
-  - meson=1.2.1
-  - meson-python=0.13.1
+  - meson>=1.3.0
+  - meson-python>=0.14.0
 
   # test dependencies
   - pytest>=7.3.2

meson.build

@@ -4,11 +4,15 @@ project(
     'c', 'cpp', 'cython',
     version: run_command(['generate_version.py', '--print'], check: true).stdout().strip(),
     license: 'BSD-3',
-    meson_version: '>=1.2.1',
+    meson_version: '>=1.3.0',
     default_options: [
         'buildtype=release',
         'c_std=c11',
+        'cpp_std=c++17',
         'warning_level=2',
+        'default_library=static',
+        # TODO: how can we only set this for nanobind?
+        'cpp_args=-Wno-sign-compare'
     ]
 )