Merge pull request #3566 from GNS3/feature/drop-python-3.6

Drop support for Python 3.6

gns3/main.py

@@ -184,9 +184,9 @@ def exceptionHook(exception, value, tb):
     # catch exceptions to write them in a file
     sys.excepthook = exceptionHook
 
-    # we only support Python 3 version >= 3.4
-    if sys.version_info < (3, 4):
-        raise SystemExit("Python 3.4 or higher is required")
+    # we only support Python 3 version >= 3.7
+    if sys.version_info < (3, 7):
+        raise SystemExit("Python 3.7 or higher is required")
 
     if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.5.0"):
         raise SystemExit("Requirement is PyQt5 version 5.5.0 or higher, got version {}".format(QtCore.QT_VERSION_STR))

requirements.txt

@@ -1,9 +1,7 @@
 jsonschema>=4.17.3,<4.18; python_version >= '3.7'  # v4.17.3 is the last version to support Python 3.7
-jsonschema==3.2.0; python_version < '3.7'  # v3.2.0 is the last version to support Python 3.6
 sentry-sdk==1.39.2,<1.40
 psutil==5.9.8
 distro>=1.9.0
 truststore>=0.8.0; python_version >= '3.10'
 importlib-resources>=1.3; python_version < '3.9'
-setuptools>=60.8.1; python_version >= '3.7'
-setuptools==59.6.0; python_version < '3.7'  # v59.6.0 is the last version to support Python 3.6
+setuptools>=60.8.1

setup.py

@@ -19,9 +19,9 @@
 from setuptools import setup, find_packages
 from setuptools.command.test import test as TestCommand
 
-# we only support Python 3 version >= 3.4
-if len(sys.argv) >= 2 and sys.argv[1] == "install" and sys.version_info < (3, 4):
-    raise SystemExit("Python 3.4 or higher is required")
+# we only support Python 3 version >= 3.7
+if len(sys.argv) >= 2 and sys.argv[1] == "install" and sys.version_info < (3, 7):
+    raise SystemExit("Python 3.7 or higher is required")
 
 
 class PyTest(TestCommand):
@@ -79,7 +79,7 @@ def run_tests(self):
     include_package_data=True,
     package_data={"gns3": ["configs/*.txt", "schemas/*.json"]},
     platforms="any",
-    python_requires=">=3.4",
+    python_requires='>=3.7',
     setup_requires=["setuptools>=17.1"],
     classifiers=[
         "Development Status :: 5 - Production/Stable",
@@ -93,9 +93,6 @@ def run_tests(self):
         "Operating System :: Microsoft :: Windows",
         "Programming Language :: Python",
         "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",