Merge pull request #2317 from dopplershift/drop-3.7

Drop Python 3.7

.github/actions/install-conda/action.yml

@@ -42,9 +42,4 @@ runs:
 
     - name: Install
       shell: bash -l {0}
-      # For some reason on Windows 3.7 building the wheel fails to properly include our extra
-      # stuff. Executing the egg_info beforehand for some reason fixes it. No idea why. We're
-      # deep in territory where googling for answers helps not at all.
-      run: |
-        python setup.py egg_info
-        python -m pip install --no-deps .
+      run: python -m pip install --no-deps .

.github/actions/install-pypi/action.yml

@@ -29,7 +29,6 @@ runs:
           ci/${{ inputs.version-file }}
 
     - name: Setup PROJ
-      if: ${{ inputs.need-cartopy == 'true' }}
       uses: ./.github/actions/setup-proj
 
     # This installs the stuff needed to build and install Shapely and CartoPy from source.

.github/workflows/docs-conda.yml

@@ -10,9 +10,6 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  #
-  # Build our docs on macOS and Windows on Python 3.8 and 3.7, respectively.
-  #
   Docs:
     name: ${{ matrix.os }} ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}-latest
@@ -25,7 +22,7 @@ jobs:
         include:
           - python-version: 3.8
             os: macOS
-          - python-version: 3.7
+          - python-version: 3.9
             os: Windows
 
     steps:

.github/workflows/docs.yml

@@ -81,7 +81,7 @@ jobs:
     - name: Download doc build
       uses: actions/download-artifact@v2
       with:
-        name: Linux-3.9-docs
+        name: Linux-3.10-docs
         path: ./docs/build/html
 
     # This overrides the version "dev" with the proper version if we're building off a

.github/workflows/tests-conda.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.7, 3.8, 3.9, '3.10']
+        python-version: [3.8, 3.9, '3.10']
         os: [macOS, Windows]
 
     steps:

.github/workflows/tests-pypi.yml

@@ -21,14 +21,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.8, 3.9, '3.10']
         dep-versions: [requirements.txt]
         no-extras: ['']
         include:
-          - python-version: 3.7
+          - python-version: 3.8
             dep-versions: Minimum
             no-extras: 'No Extras'
-          - python-version: 3.9
+          - python-version: '3.10'
             dep-versions: requirements.txt
             no-extras: 'No Extras'
 

README.md

@@ -31,7 +31,7 @@ on a future ``1.x`` version.
 For additional MetPy examples not included in this repository, please see the [Unidata Python
 Gallery](https://unidata.github.io/python-gallery/).
 
-We support Python >= 3.7.
+We support Python >= 3.8.
 
 Need Help?
 ----------

docs/index.rst

@@ -14,7 +14,7 @@ MetPy
 =====
 
 MetPy is a collection of tools in Python for reading, visualizing, and performing calculations
-with weather data. MetPy supports Python >= 3.7 and is freely available under a permissive
+with weather data. MetPy supports Python >= 3.8 and is freely available under a permissive
 `open source license <https://github.com/Unidata/MetPy/blob/main/LICENSE>`_.
 
 If you're new to MetPy, check out our :doc:`Getting Started <userguide/startingguide>` guide.

docs/userguide/installguide.rst

@@ -7,7 +7,7 @@ Requirements
 ------------
 In general, MetPy tries to support minor versions of dependencies released within the last two
 years. For Python itself, that generally means supporting the last two minor releases; MetPy
-currently supports Python >= 3.7.
+currently supports Python >= 3.8.
 
 .. literalinclude:: ../../setup.cfg
    :start-after: importlib_resources

setup.cfg

@@ -15,7 +15,6 @@ classifiers =
     Development Status :: 5 - Production/Stable
     Framework :: Matplotlib
     Programming Language :: Python
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
@@ -38,12 +37,11 @@ package_dir =
 packages = find:
 include_package_data = True
 setup_requires = setuptools_scm
-python_requires = >=3.7
+python_requires = >=3.8
 install_requires =
-    importlib_metadata>=1.0.0; python_version < '3.8'
     importlib_resources>=1.3.0; python_version < '3.9'
     matplotlib>=3.3.0
-    numpy>=1.17.0
+    numpy>=1.18.0
     pandas>=0.24.0
     pint>=0.10.1
     pooch>=1.2.0

setup.py

@@ -9,7 +9,6 @@
 
 if sys.version_info[0] < 3:
     error = """
-    MetPy v1.1 and greater requires Python 3.7 or above.
     If you're using Python 2.7, please install MetPy v0.11.1,
     which is the last release of MetPy that supports Python 2.7,
     but it is no longer maintained.

src/metpy/_version.py

@@ -15,10 +15,7 @@ def get_version():
         return get_version(root='../..', relative_to=__file__,
                            version_scheme='post-release')
     except (ImportError, LookupError):
-        try:
-            from importlib.metadata import PackageNotFoundError, version
-        except ImportError:  # Can remove when we require Python > 3.7
-            from importlib_metadata import PackageNotFoundError, version
+        from importlib.metadata import PackageNotFoundError, version
 
         try:
             return version(__package__)