Support Python 3.8 release (#447)

* Support Python 3.8 release

* Also bump versions

* Format

Author: chrisrink10

.circleci/config.yml

@@ -2,12 +2,12 @@ version: 2
 jobs:
   test-cpython:
     docker:
-      - image: chrisrink10/pyenv:3.6-3.7-3.8dev-0.0.6
+      - image: chrisrink10/pyenv:3.6-3.7-3.8-0.0.1
         user: pyenv
     steps:
       - checkout
       - restore_cache:
-          key: deps-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
+          key: deps-{{ .Branch }}-{{ checksum "tox.ini" }}-{{ checksum "Pipfile.lock" }}
       - run:
           name: Install tox
           shell: /bin/bash -leo pipefail
@@ -22,7 +22,7 @@ jobs:
           command: |
             tox -p $TOX_NUM_CORES -e py36,py37,py38,coverage,mypy,format,lint,safety
       - save_cache:
-          key: deps9-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
+          key: deps9-{{ .Branch }}-{{ checksum "tox.ini" }}-{{ checksum "Pipfile.lock" }}
           paths:
             - "/home/pyenv/.tox"
             - "/usr/local/bin"
@@ -32,11 +32,11 @@ jobs:
 
   test-pypy:
     docker:
-      - image: pypy:3.6-7.1-slim-stretch
+      - image: pypy:3.6-7.2-slim-stretch
     steps:
       - checkout
       - restore_cache:
-          key: deps-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
+          key: deps-{{ .Branch }}-{{ checksum "tox.ini" }}-{{ checksum "Pipfile.lock" }}
       - run:
           name: Install tox
           command: |
@@ -46,7 +46,7 @@ jobs:
           command: |
             tox -e pypy3
       - save_cache:
-          key: deps9-{{ .Branch }}-{{ checksum "Pipfile.lock" }}
+          key: deps9-{{ .Branch }}-{{ checksum "tox.ini" }}-{{ checksum "Pipfile.lock" }}
           paths:
             - "/home/pyenv/.tox"
             - "/usr/local/bin"

Pipfile.lock

@@ -9,7 +9,7 @@
 import sys
 from shutil import rmtree
 
-from setuptools import setup, Command, find_packages
+from setuptools import Command, find_packages, setup
 
 # Package metadata
 NAME = "basilisp"
@@ -121,6 +121,7 @@ def run(self):
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Software Development :: Compilers",

setup.py

@@ -57,7 +57,8 @@ def _get_basilisp_bytecode(
     raw_size = cache_data[8:12]
     if magic != MAGIC_NUMBER:
         message = (
-            f"Incorrect magic number ({magic}) in {fullname}; expected {MAGIC_NUMBER}"
+            f"Incorrect magic number ({magic!r}) in {fullname}; "
+            f"expected {MAGIC_NUMBER!r}"
         )
         logger.debug(message)
         raise ImportError(message, **exc_details)  # type: ignore

src/basilisp/importer.py

@@ -496,7 +496,7 @@ def _meta_getter(meta_kw: kw.Keyword) -> MetaGetter:
     value by meta_kw."""
 
     def has_meta_prop(o: Union[IMeta, Var]) -> bool:
-        return (  # type: ignore
+        return bool(
             Maybe(o.meta).map(lambda m: m.val_at(meta_kw, None)).or_else_get(False)
         )