Official required version is Python 3.6+ (#341)

tokuhirom · web-flow · commit 90cc583601a3 · 2021-10-01T11:25:49.000+08:00
* Official required version is Python 3.6+

* `from __future__ import unicode_literals` is not required for python3
diff --git a/README.rst b/README.rst
@@ -22,7 +22,7 @@ Japanese: https://developers.line.biz/ja/docs/messaging-api/overview/
 Requirements
 ------------
 
--  Python >= 2.7 or >= 3.4
+-  Python >= 3.6
 
 Installation
 ------------
diff --git a/examples/flask-echo/app.py b/examples/flask-echo/app.py
@@ -12,7 +12,6 @@
 #  License for the specific language governing permissions and limitations
 #  under the License.
 
-from __future__ import unicode_literals
 
 import os
 import sys
diff --git a/examples/flask-kitchensink/app.py b/examples/flask-kitchensink/app.py
@@ -12,7 +12,6 @@
 #  License for the specific language governing permissions and limitations
 #  under the License.
 
-from __future__ import unicode_literals
 
 import datetime
 import errno
diff --git a/linebot/__about__.py b/linebot/__about__.py
@@ -14,7 +14,6 @@
 
 """Meta data of line-bot-sdk."""
 
-from __future__ import unicode_literals
 
 __version__ = '1.20.0'
 __author__ = 'LINE Corporation'
diff --git a/linebot/__init__.py b/linebot/__init__.py
@@ -14,7 +14,6 @@
 
 """linebot package."""
 
-from __future__ import unicode_literals
 
 from .__about__ import (  # noqa
     __version__
diff --git a/linebot/api.py b/linebot/api.py
@@ -14,7 +14,6 @@
 
 """linebot.api module."""
 
-from __future__ import unicode_literals
 
 import json
 
diff --git a/linebot/exceptions.py b/linebot/exceptions.py
@@ -14,7 +14,6 @@
 
 """linebot.exceptions module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/http_client.py b/linebot/http_client.py
@@ -14,7 +14,6 @@
 
 """linebot.http_client module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta, abstractmethod, abstractproperty
 
diff --git a/linebot/models/actions.py b/linebot/models/actions.py
@@ -14,7 +14,6 @@
 
 """linebot.models.actions module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/background.py b/linebot/models/background.py
@@ -14,7 +14,6 @@
 
 """linebot.models.emojis module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/base.py b/linebot/models/base.py
@@ -14,7 +14,6 @@
 
 """linebot.models.base module."""
 
-from __future__ import unicode_literals
 
 import json
 
diff --git a/linebot/models/emojis.py b/linebot/models/emojis.py
@@ -14,7 +14,6 @@
 
 """linebot.models.emojis module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/error.py b/linebot/models/error.py
@@ -14,7 +14,6 @@
 
 """linebot.models.error module."""
 
-from __future__ import unicode_literals
 
 from .base import Base
 
diff --git a/linebot/models/events.py b/linebot/models/events.py
@@ -14,7 +14,6 @@
 
 """linebot.models.events module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/filter.py b/linebot/models/filter.py
@@ -14,7 +14,6 @@
 
 """linebot.models.filter module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/flex_message.py b/linebot/models/flex_message.py
@@ -14,7 +14,6 @@
 
 """linebot.models.flex_message module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/imagemap.py b/linebot/models/imagemap.py
@@ -14,7 +14,6 @@
 
 """linebot.models.imagemap module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/insight.py b/linebot/models/insight.py
@@ -14,7 +14,6 @@
 
 """linebot.models.insight module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/limit.py b/linebot/models/limit.py
@@ -14,7 +14,6 @@
 
 """linebot.models.recipient module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/mention.py b/linebot/models/mention.py
@@ -14,7 +14,6 @@
 
 """linebot.models.mention module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/mentionee.py b/linebot/models/mentionee.py
@@ -14,7 +14,6 @@
 
 """linebot.models.mentionee module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/messages.py b/linebot/models/messages.py
@@ -14,7 +14,6 @@
 
 """linebot.models.messages module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/operator.py b/linebot/models/operator.py
@@ -14,7 +14,6 @@
 
 """linebot.models.filter module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/recipient.py b/linebot/models/recipient.py
@@ -14,7 +14,6 @@
 
 """linebot.models.limit module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/responses.py b/linebot/models/responses.py
@@ -14,7 +14,6 @@
 
 """linebot.models.responses module."""
 
-from __future__ import unicode_literals
 
 from .base import Base
 from .insight import (
diff --git a/linebot/models/rich_menu.py b/linebot/models/rich_menu.py
@@ -14,7 +14,6 @@
 
 """linebot.models.rich_menu module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/send_messages.py b/linebot/models/send_messages.py
@@ -14,7 +14,6 @@
 
 """linebot.models.send_messages module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/sources.py b/linebot/models/sources.py
@@ -14,7 +14,6 @@
 
 """linebot.models.sources module."""
 
-from __future__ import unicode_literals
 
 import warnings
 from abc import ABCMeta, abstractproperty
diff --git a/linebot/models/template.py b/linebot/models/template.py
@@ -14,7 +14,6 @@
 
 """linebot.models.template module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/things.py b/linebot/models/things.py
@@ -14,7 +14,6 @@
 
 """linebot.models.things module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/unsend.py b/linebot/models/unsend.py
@@ -14,7 +14,6 @@
 
 """linebot.models.unsend module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/models/video_play_complete.py b/linebot/models/video_play_complete.py
@@ -14,7 +14,6 @@
 
 """linebot.models.video_play_complete module."""
 
-from __future__ import unicode_literals
 
 from abc import ABCMeta
 
diff --git a/linebot/utils.py b/linebot/utils.py
@@ -14,7 +14,6 @@
 
 """linebot.utils module."""
 
-from __future__ import unicode_literals
 
 import logging
 import re
diff --git a/linebot/webhook.py b/linebot/webhook.py
@@ -14,7 +14,6 @@
 
 """linebot.webhook module."""
 
-from __future__ import unicode_literals
 
 import base64
 import hashlib
diff --git a/setup.py b/setup.py
@@ -69,6 +69,7 @@ def run_tests(self):
     packages=[
         "linebot", "linebot.models"
     ],
+    python_requires=">=3.6.0",
     install_requires=_requirements(),
     tests_require=_requirements_test(),
     cmdclass={'test': PyTest},
@@ -77,14 +78,10 @@ def run_tests(self):
         "License :: OSI Approved :: Apache Software License",
         "Intended Audience :: Developers",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 2",
-        "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.4",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Topic :: Software Development"
     ]
 )

Original file line number	Diff line number	Diff line change
`@@ -14,7 +14,6 @@`
`14`	`14`
`15`	`15`	`"""linebot.api module."""`
`16`	`16`
`17`		`-from __future__ import unicode_literals`
`18`	`17`
`19`	`18`	`import json`
`20`	`19`