package update, add missing dependency chardet

.gitignore

@@ -4,6 +4,7 @@ dist
 .tox/
 .coverage
 coverage.xml
+.idea/
 
 # caches
 .mypy_cache/

.travis.yml

@@ -14,6 +14,8 @@ before_cache:
 jobs:
   include:
   # linux
+  - python: '3.9'
+    script: python3 -m tox -e py39 -- --cov-report=xml
   - python: '3.8'
     script: python3 -m tox -e py38 -- --cov-report=xml
   - python: '3.7'

Pipfile

@@ -5,25 +5,25 @@ verify_ssl = true
 
 [dev-packages]
 pipenv-setup = {editable = true,path = "."}
-pytest = {markers = "python_version>='3.6'",version = "~=5.2"}
-pytest-mypy = {markers = "python_version>='3.5'",version = "~=0.3"}
-pytest-cov = "~=2.7"
-pytest-datadir = "~=1.3"
-pytest-xdist = "~=1.29"
-tox = "~=3.14"
-autopep8 = "~=1.4"
+pytest = "*"
+pytest-mypy = "*"
+pytest-cov = "*"
+pytest-datadir = "*"
+pytest-xdist = "*"
+tox = "*"
+autopep8 = "*"
 
 [packages]
-pipfile = "~=0.0"
-black = {markers = "python_version>='3.6'",version = "==19.10b0"}
-colorama = "~=0.4"
-packaging = "~=20.0"
-requirementslib = "~=1.5"
-vistir = "~=0.4"
-autopep8 = {markers = "python_version<'3.6'",version = "~=1.4"}
-six = "~=1.12"
-typing = {markers = "python_version<'3.7'", version = "~=3.7"}
-chardet = ">=3.0.0, <=5.0.0"
+pipfile = "*"
+black = {markers = "python_version>='3.6'",version = ">=19.10b0"}
+colorama = "*"
+packaging = "*"
+requirementslib = "*"
+vistir = "*"
+autopep8 = {markers = "python_version<'3.6'"}
+six = "*"
+typing = {markers = "python_version<'3.7'"}
+chardet = "*"
 
 [scripts]
 # use this to sync this pipfile to setup.py, explained in CONTRIBUTING.md

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta:__legacy__"

setup.py

@@ -42,7 +42,7 @@
     # For a discussion on single-sourcing the version across setup.py and the
     # project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version="3.1.2",  # Required
+    version="3.1.1",  # Required
     # This is a one-line description or tagline of what your project does. This
     # corresponds to the "Summary" metadata field:
     # https://packaging.python.org/specifications/core-metadata/#summary
@@ -102,6 +102,7 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
     # This field adds keywords for your project which will appear on the
     # project page. What does your project relate to?
@@ -136,26 +137,26 @@
     # https://packaging.python.org/en/latest/requirements.html
     extras_require={
         "dev": [
-            "pytest~=5.2; python_version >= '3.6'",
-            "pytest-mypy~=0.3; python_version >= '3.5'",
-            "pytest-cov~=2.7",
-            "pytest-datadir~=1.3",
-            "pytest-xdist~=1.29",
-            "tox~=3.14",
-            "autopep8~=1.4",
+            "pytest",
+            "pytest-mypy",
+            "pytest-cov",
+            "pytest-datadir",
+            "pytest-xdist",
+            "tox",
+            "autopep8",
         ]
     },
     install_requires=[
-        "pipfile~=0.0",
-        "black==19.10b0; python_version >= '3.6'",
-        "colorama~=0.4",
-        "packaging~=20.0",
-        "requirementslib~=1.5",
-        "vistir~=0.4",
-        "autopep8~=1.4; python_version < '3.6'",
-        "six~=1.12",
-        "typing~=3.7; python_version < '3.7'",
-        "chardet>=3.0.0,<=5.0.0",
+        "pipfile",
+        "black>=19.10b0; python_version >= '3.6'",
+        "colorama",
+        "packaging",
+        "requirementslib",
+        "vistir",
+        "autopep8; python_version < '3.6'",
+        "six",
+        "typing; python_version < '3.7'",
+        "chardet",
     ],  # Optional
     entry_points={
         "console_scripts": ["pipenv-setup=pipenv_setup.main:cmd"]

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py35, py36, py37, py38
+envlist = py27, py35, py36, py37, py38, py39
 skip_missing_interpreters=true
 
 [testenv]