Merge pull request #60 from Parallel-NetCDF/quick-install

add instructions for quick install

Author: wkliao

Diff for: .github/workflows/pnetcdf_c_master.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     env:
-      MPICH_VERSION: 4.2.0
+      MPICH_VERSION: 4.2.2
       MPICH_DIR: ${{ github.workspace }}/mpich-install
       PNETCDF_VERSION: repo
       PNETCDF_DIR: ${{ github.workspace }}/PnetCDF-install

Diff for: .github/workflows/pnetcdf_c_official.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     env:
-      MPICH_VERSION: 4.2.0
+      MPICH_VERSION: 4.2.2
       MPICH_DIR: ${{ github.workspace }}/mpich-install
       PNETCDF_VERSION: 1.13.0
       PNETCDF_DIR: ${{ github.workspace }}/PnetCDF-install

Diff for: README.md

@@ -12,8 +12,19 @@ scalable I/O performance.
 ### Software Dependencies
 * Python 3.9 or later.
 * [numpy](http://www.numpy.org/) Python package.
-* MPI C library and Python package, [mpi4py](https://mpi4py.readthedocs.io/en/stable/install.html).
-* [PnetCDF C library](https://github.com/Parallel-netCDF/PnetCDF), built with shared libraries.
+* MPI C library and Python package,
+  [mpi4py](https://mpi4py.readthedocs.io/en/stable/install.html).
+  + Note when using mpi4py 4.0 and MPICH, MPICH version 4.2.2 and later is
+    required.
+* [PnetCDF C library](https://github.com/Parallel-netCDF/PnetCDF), built with
+  shared libraries.
+
+### Quick Installation
+* Make sure you have a working MPI and PnetCDF-C software installed.
+* Run pip command below to install PnetCDF-Python library from PyPI:
+  ```
+  CC=/path/to/mpicc PNETCDF_DIR=/path/to/pnetcdf/dir/ pip install pnetcdf
+  ```
 
 ### Developer Installation
 * Clone this GitHub repository

Diff for: docs/source/installation/install.rst

@@ -6,8 +6,14 @@ Installation
 Quick Install
 ===================================
 
-Quick installation via pip install is currently unavailable as this library has not yet been uploaded to PyPI. 
-Please follow building from source instructions provided below to set up the library.
+Software Requirements
+ - PnetCDF C library (built with shared libraries) and MPI C library
+
+Install PnetCDF-python library from PyPI
+ .. code-block:: bash
+
+     $ CC=/path/to/mpicc PNETCDF_DIR=/path/to/pnetcdf/dir/ pip install pnetcdf
+
 
 Install from Source
 ============================================