Merge branch 'main' into python-db-dtypes-pandas-issue28

Author: tswast

.circleci/config.yml

@@ -4,7 +4,7 @@ jobs:
   test-arm:
     machine:
       image: ubuntu-2004:202101-01
-    resource_class: arm.medium
+    resource_class: arm.large
     environment:
       ENV_FILE: ci/deps/circle-38-arm64.yaml
       PYTEST_WORKERS: auto

.github/CODE_OF_CONDUCT.md

@@ -0,0 +1,72 @@
+name: Feature Request
+description: Suggest an idea for pandas
+title: "ENH: "
+labels: [Enhancement, Needs Triage]
+
+body:
+  - type: checkboxes
+    id: checks
+    attributes:
+      label: Feature Type
+      description: Please check what type of feature request you would like to propose.
+      options:
+        - label: >
+            Adding new functionality to pandas
+        - label: >
+            Changing existing functionality in pandas
+        - label: >
+            Removing existing functionality in pandas
+  - type: textarea
+    id: description
+    attributes:
+      label: Problem Description
+      description: >
+        Please describe what problem the feature would solve, e.g. "I wish I could use pandas to ..."
+      placeholder: >
+        I wish I could use pandas to return a Series from a DataFrame when possible.
+    validations:
+      required: true
+  - type: textarea
+    id: feature
+    attributes:
+      label: Feature Description
+      description: >
+        Please describe how the new feature would be implemented, using psudocode if relevant.
+      placeholder: >
+        Add a new parameter to DataFrame, to_series, to return a Series if possible.
+
+        def __init__(self, ..., to_series: bool=False):
+            """
+            Parameters
+            ----------
+            ...
+
+            to_series : bool, default False
+                Return a Series if possible
+            """
+            if to_series:
+                return Series(data)
+    validations:
+      required: true
+  - type: textarea
+    id: alternative
+    attributes:
+      label: Alternative Solutions
+      description: >
+        Please describe any alternative solution (existing functionality, 3rd party package, etc.)
+        that would satisfy the feature request.
+      placeholder: >
+        Write a custom function to return a Series when possible.
+
+        def to_series(...)
+           result = pd.DataFrame(...)
+           ...
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Context
+      description: >
+        Please provide any relevant Github issues, code examples or references that help describe and support
+        the feature request.

.github/CONTRIBUTING.md

@@ -6,8 +6,8 @@ runs:
 
     - name: Environment Detail
       run: |
-        conda info
-        conda list
+        micromamba info
+        micromamba list
       shell: bash -el {0}
 
     - name: Build Pandas
@@ -17,4 +17,6 @@ runs:
       shell: bash -el {0}
       env:
         # Cannot use parallel compilation on Windows, see https://github.com/pandas-dev/pandas/issues/30873
-        N_JOBS: ${{ runner.os == 'Windows' && 1 || 2 }}
+        # GH 47305: Parallel build causes flaky ImportError: /home/runner/work/pandas/pandas/pandas/_libs/tslibs/timestamps.cpython-38-x86_64-linux-gnu.so: undefined symbol: pandas_datetime_to_datetimestruct
+        N_JOBS: 1
+        #N_JOBS: ${{ runner.os == 'Windows' && 1 || 2 }}

.github/FUNDING.yml

@@ -0,0 +1,27 @@
+name: Run tests and report results
+runs:
+  using: composite
+  steps:
+    - name: Test
+      run: ci/run_tests.sh
+      shell: bash -el {0}
+
+    - name: Publish test results
+      uses: actions/upload-artifact@v2
+      with:
+        name: Test results
+        path: test-data.xml
+      if: failure()
+
+    - name: Report Coverage
+      run: coverage report -m
+      shell: bash -el {0}
+      if: failure()
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v2
+      with:
+        flags: unittests
+        name: codecov-pandas
+        fail_ci_if_error: false
+      if: failure()

.github/ISSUE_TEMPLATE/feature_request.md

@@ -3,6 +3,12 @@ inputs:
   environment-file:
     description: Conda environment file to use.
     default: environment.yml
+  environment-name:
+    description: Name to use for the Conda environment
+    default: test
+  extra-specs:
+    description: Extra packages to install
+    required: false
   pyarrow-version:
     description: If set, overrides the PyArrow version in the Conda environment to the given string.
     required: false
@@ -18,10 +24,13 @@ runs:
       if: ${{ inputs.pyarrow-version }}
 
     - name: Install ${{ inputs.environment-file }}
-      uses: conda-incubator/setup-miniconda@v2
+      uses: mamba-org/provision-with-micromamba@v12
       with:
         environment-file: ${{ inputs.environment-file }}
-        channel-priority: ${{ runner.os == 'macOS' && 'flexible' || 'strict' }}
+        environment-name: ${{ inputs.environment-name }}
+        extra-specs: ${{ inputs.extra-specs }}
         channels: conda-forge
-        mamba-version: "0.23"
-        use-mamba: true
+        channel-priority: ${{ runner.os == 'macOS' && 'flexible' || 'strict' }}
+        condarc-file: ci/condarc.yml
+        cache-env: true
+        cache-downloads: true