NEP29: Set minimum required version to NumPy 1.18+ (#1430)

Following NEP29 policy. Bumps minimum supported NumPy version to 1.18 in the setup.py, requirements.txt and environment.yml files. Also update installation documentation and set CI tests to run on NumPy 1.18. * List NumPy >= 1.18 in compatibility table on main README.rst * Mention dev docs directly in compatibility table Co-authored-by: Meghan Jones <[email protected]>
GenericMappingTools · Aug 11, 2021 · ebbb0cc · ebbb0cc
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diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
@@ -44,11 +44,11 @@ jobs:
           # - os: ubuntu-latest
           #   python-version: 3.7
           #   isDraft: true
-        # Pair Python 3.7 with NumPy 1.17 and Python 3.9 with NumPy 1.21
+        # Pair Python 3.7 with NumPy 1.18 and Python 3.9 with NumPy 1.21
         # Only install optional packages on Python 3.9/NumPy 1.21
         include:
           - python-version: 3.7
-            numpy-version: '1.17'
+            numpy-version: '1.18'
             optional-packages: ''
           - python-version: 3.9
             numpy-version: '1.21'

diff --git a/README.rst b/README.rst
@@ -228,16 +228,21 @@ Compatibility with GMT/Python/NumPy versions
       - GMT
       - Python
       - Numpy
+    * - `v0.5.0 <https://github.com/GenericMappingTools/pygmt/milestone/8>`_ (upcoming release)
+      - `Dev Documentation <https://www.pygmt.org/dev>`_ (reflects `main branch <https://github.com/GenericMappingTools/pygmt>`_)
+      - >=6.2.0
+      - >=3.7
+      - >=1.18
     * - `v0.4.1 <https://github.com/GenericMappingTools/pygmt/releases/tag/v0.4.1>`_ (latest release)
       - `v0.4.1 Documentation <https://www.pygmt.org/v0.4.1>`_
       - >=6.2.0
       - >=3.7
-      - >=1.17.0
+      - >=1.17
     * - `v0.4.0 <https://github.com/GenericMappingTools/pygmt/releases/tag/v0.4.0>`_
       - `v0.4.0 Documentation <https://www.pygmt.org/v0.4.0>`_
       - >=6.2.0
       - >=3.7
-      - >=1.17.0
+      - >=1.17
     * - `v0.3.1 <https://github.com/GenericMappingTools/pygmt/releases/tag/v0.3.1>`_
       - `v0.3.1 Documentation <https://www.pygmt.org/v0.3.1>`_
       - >=6.1.1
@@ -273,6 +278,3 @@ Compatibility with GMT/Python/NumPy versions
       - >=6.0.0
       - 3.6 - 3.8
       -
-
-The unstable development documentation, which reflects the `main branch <https://github.com/GenericMappingTools/pygmt>`_
-on GitHub, can be found at https://www.pygmt.org/dev/.
diff --git a/doc/install.rst b/doc/install.rst
@@ -80,7 +80,7 @@ Dependencies
 
 PyGMT requires the following libraries to be installed:
 
-* `numpy <https://numpy.org>`__ (>= 1.17)
+* `numpy <https://numpy.org>`__ (>= 1.18)
 * `pandas <https://pandas.pydata.org>`__
 * `xarray <https://xarray.pydata.org>`__
 * `netCDF4 <https://unidata.github.io/netcdf4-python>`__

diff --git a/environment.yml b/environment.yml
@@ -6,7 +6,7 @@ dependencies:
     # Required dependencies
     - pip
     - gmt=6.2.0
-    - numpy>=1.17
+    - numpy>=1.18
     - pandas
     - xarray
     - netCDF4

diff --git a/requirements.txt b/requirements.txt
@@ -1,5 +1,5 @@
 # Required packages
-numpy>=1.17
+numpy>=1.18
 pandas
 xarray
 netCDF4

diff --git a/setup.py b/setup.py
@@ -34,7 +34,7 @@
 ]
 PLATFORMS = "Any"
 PYTHON_REQUIRES = ">=3.7"
-INSTALL_REQUIRES = ["numpy>=1.17", "pandas", "xarray", "netCDF4", "packaging"]
+INSTALL_REQUIRES = ["numpy>=1.18", "pandas", "xarray", "netCDF4", "packaging"]
 # Configuration for setuptools-scm
 SETUP_REQUIRES = ["setuptools_scm"]
 USE_SCM_VERSION = {"local_scheme": "node-and-date", "fallback_version": "unknown"}