Add pcodec (#501)

* added PCodec

* fix line length and print statements

* docs

* mock pcodec on rtd

* fix typo

* add dtype details

* changed import style for pcodec

* fix flake8

* revert import changes

* fix errors due to changes in pcodec API

* change import style

* skip coverage of failed import path

* skip pcodec tests if not installed

Author: rabernat

.github/workflows/ci-linux.yaml

@@ -50,7 +50,7 @@ jobs:
         run: |
           conda activate env
           export DISABLE_NUMCODECS_AVX2=""
-          python -m pip install -v -e .[test,test_extras,msgpack,zfpy]
+          python -m pip install -v -e .[test,test_extras,msgpack,zfpy,pcodec]
 
       - name: List installed packages
         shell: "bash -l {0}"

.github/workflows/ci-osx.yaml

@@ -50,7 +50,7 @@ jobs:
         run: |
           conda activate env
           export DISABLE_NUMCODECS_AVX2=""
-          python -m pip install -v -e .[test,test_extras,msgpack,zfpy]
+          python -m pip install -v -e .[test,test_extras,msgpack,zfpy,pcodec]
 
       - name: List installed packages
         shell: "bash -l {0}"

.github/workflows/ci-windows.yaml

@@ -42,7 +42,7 @@ jobs:
         shell: "bash -l {0}"
         run: |
           conda activate env
-          python -m pip install -v -e .[test,test_extras,msgpack,zfpy]
+          python -m pip install -v -e .[test,test_extras,msgpack,zfpy,pcodec]
 
       - name: List installed packages
         shell: "bash -l {0}"

c-blosc

@@ -23,7 +23,7 @@ def __getattr__(cls, name):
         return Mock()
 
 
-MOCK_MODULES = ['msgpack']
+MOCK_MODULES = ['msgpack', 'pcodec']
 sys.modules.update((mod_name, Mock()) for mod_name in MOCK_MODULES)