Merge branch 'master' into fs_multiget

Author: Martin Durant

.travis.yml

@@ -1,9 +1,5 @@
 language: python
 
-branches:
-  only:
-    - master
-
 sudo: false
 
 addons:
@@ -33,6 +29,7 @@ matrix:
     - python: 3.8
       dist: xenial
       sudo: true
+      env: MYPY_CHECK='true'
 
 before_install:
   - docker pull arafato/azurite
@@ -42,11 +39,12 @@ before_script:
     - mongo mydb_test --eval 'db.createUser({user:"travis",pwd:"test",roles:["readWrite"]});'
 
 install:
-  - pip install -U pip setuptools wheel tox-travis coveralls
+  - pip install -U pip setuptools wheel tox-travis coveralls mypy
 
 script:
   - tox
   - if [[ $BUILD_DOCS == 'true' ]]; then tox -e docs; fi
+  - if [[ $MYPY_CHECK == 'true' ]]; then mypy zarr; fi
 
 after_success:
   - coveralls --service=travis-pro

docs/conf.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 #
 # zarr documentation build configuration file, created by
 # sphinx-quickstart on Mon May  2 21:40:09 2016.

docs/release.rst

@@ -5,16 +5,28 @@ Release notes
 Next release
 ------------
 
+* `DirectoryStore` now uses `os.scandir`, which should make listing large store
+  faster, :issue:`563`
+  
+* Remove a few remaining Python 2-isms.
+  By :user:`Poruri Sai Rahul <rahulporuri>`; :issue:`393`.
+
 * Fix minor bug in `N5Store`. 
   By :user:`gsakkis`, :issue:`550`.
 
 * Improve error message in Jupyter when trying to use the ``ipytree`` widget
   without ``ipytree`` installed.
   By :user:`Zain Patel <mzjp2>`; :issue:`537`
 
+* Add typing informations to many of the core functions :issue:`589`
+
 * Explicitly close stores during testing.
   By :user:`Elliott Sales de Andrade <QuLogic>`; :issue:`442`
 
+* Many of the convenience functions to emit errors (``err_*`` from
+  ``zarr.errors``  have been replaced by ``ValueError`` subclasses. The
+  functions are deprecated and will be removed in the future. :issue:`590` )
+
 * Improve consistency of terminology regarding arrays and datasets in the 
   documentation.
   By :user:`Josh Moore <joshmoore>`; :issue:`571`.

mypy.ini

@@ -0,0 +1,4 @@
+[mypy]
+python_version = 3.6
+ignore_missing_imports = True
+follow_imports = silent

pytest.ini

@@ -1,4 +1,6 @@
 [pytest]
 doctest_optionflags = NORMALIZE_WHITESPACE ELLIPSIS IGNORE_EXCEPTION_DETAIL
 addopts = --durations=10
-
+filterwarnings =
+    error::DeprecationWarning:zarr.*
+    ignore:PY_SSIZE_T_CLEAN will be required.*:DeprecationWarning

requirements_dev_minimal.txt

@@ -6,5 +6,3 @@ msgpack-python==0.5.6
 setuptools-scm==3.3.3
 # test requirements
 pytest==5.2.0; python_version > '3.0'
-# don't let pyup change this, needed until we drop support for py27
-pytest==4.6.5; python_version < '3.0' # pyup: ignore

requirements_dev_numpy.txt

@@ -2,5 +2,3 @@
 # different versions of numpy. This file should pin to the latest
 # numpy version.
 numpy==1.17.2; python_version > '3.0'
-# don't let pyup change this, needed until we drop support for py27
-numpy==1.16.4; python_version < '3.0' # pyup: ignore

requirements_dev_optional.txt

@@ -13,7 +13,7 @@ pymongo==3.9.0
 tox==3.14.0
 coverage==5.0.3
 coveralls==1.11.1
-flake8==3.7.8
+flake8==3.8.3
 pytest-cov==2.7.1
 pytest-doctestplus==0.4.0
 pytest-remotedata==0.3.2

setup.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 import sys
 
 from setuptools import setup

zarr/__init__.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # flake8: noqa
 from zarr.codecs import *
 from zarr.convenience import (consolidate_metadata, copy, copy_all, copy_store,