Drop Support for Python 3.5

.circleci/config.yml

@@ -111,11 +111,6 @@ jobs:
     docker:
       - image: circleci/python:3.6
 
-  linux-python-35:
-    <<: *linux-template
-    docker:
-      - image: circleci/python:3.5
-
   linux-pypy-3:
     <<: *linux-template
     docker:
@@ -195,9 +190,6 @@ workflows:
       - linux-python-36:
           requires:
             - pre-checks
-      - linux-python-35:
-          requires:
-            - pre-checks
       - linux-pypy-3:
           requires:
             - linux-python-36
@@ -213,7 +205,6 @@ workflows:
             branches:
               only: /release\/.*/
           requires:
-            - linux-python-35
             - linux-python-36
             - linux-python-37
             - linux-python-38

README.md

@@ -26,7 +26,7 @@ This makes it easier to operate on large data spaces, streamlines post-processin
 ## Installation
 
 The recommended installation method for **signac** is through **conda** or **pip**.
-The software is tested for Python 3.5+ and is built for all major platforms.
+The software is tested for Python 3.6+ and is built for all major platforms.
 
 To install **signac** *via* the [conda-forge](https://conda-forge.github.io/) channel, execute:
 

changelog.txt

@@ -28,6 +28,11 @@ Deprecated
 
  - Deprecate the ``create_access_modules`` method in ``Project``, to be removed in 2.0 (#303, #308).
 
+Removed
++++++++
+
+ - Dropped support for Python 3.5 (#340). The signac project will follow the `NEP 29 deprecation policy <https://numpy.org/neps/nep-0029-deprecation_policy.html>`_ going forward.
+
 
 [1.4.0] -- 2020-02-28
 ---------------------

doc/installation.rst

@@ -5,8 +5,9 @@ Installation
 ============
 
 The recommended installation method for **signac** is via conda_ or pip_.
-The software is tested for Python versions 3.5+ and has minimal dependencies.
-However, some extra features such as the HDF5 integration require additional packages.
+The software is tested for Python versions 3.6+ and has minimal dependencies.
+Some features such as the HDF5 integration require additional packages.
+Supported Python and NumPy versions are determined according to the `NEP 29 deprecation policy <https://numpy.org/neps/nep-0029-deprecation_policy.html>`_.
 
 .. _conda: https://conda.io/
 .. _conda-forge: https://conda-forge.org/

setup.py

@@ -48,7 +48,6 @@
         "License :: OSI Approved :: BSD License",
         "Topic :: Database",
         "Topic :: Scientific/Engineering :: Physics",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
@@ -65,7 +64,9 @@
 
     install_requires=requirements,
 
-    python_requires='>=3.5, <4',
+    # Supported versions are determined according to NEP 29.
+    # https://numpy.org/neps/nep-0029-deprecation_policy.html
+    python_requires='>=3.6, <4',
 
     extras_require={
         'db': ['pymongo>=3.0'],

signac/contrib/collection.py

@@ -922,14 +922,9 @@ def _open(cls, file, compresslevel=0):
             if compresslevel > 0:
                 import gzip
                 with gzip.GzipFile(fileobj=file, mode='rb') as gzipfile:
-                    if sys.version_info < (3, 6):
-                        text = gzipfile.read().decode('utf-8')
-                        docs = [json.loads(line) for line in text.splitlines()]
-                        collection = cls(docs=docs)
-                    else:
-                        text_io = io.TextIOWrapper(gzipfile, encoding='utf-8')
-                        collection = cls(docs=(json.loads(line) for line in text_io))
-                        text_io.detach()
+                    text_io = io.TextIOWrapper(gzipfile, encoding='utf-8')
+                    collection = cls(docs=(json.loads(line) for line in text_io))
+                    text_io.detach()
             else:
                 collection = cls(docs=(json.loads(line) for line in file))
         except (IOError, io.UnsupportedOperation) as error:

signac/contrib/import_export.py

@@ -3,7 +3,6 @@
 # This software is licensed under the BSD 3-Clause License.
 import os
 import re
-import sys
 import errno
 import shutil
 import zipfile
@@ -543,10 +542,7 @@ def read_sp_manifest_file(path):
         fn_manifest = _tarfile_path_join(path, project.Job.FN_MANIFEST)
         try:
             with closing(tarfile.extractfile(fn_manifest)) as file:
-                if sys.version_info < (3, 6):
-                    return json.loads(file.read().decode())
-                else:
-                    return json.loads(file.read())
+                return json.loads(file.read())
         except KeyError:
             pass