chore: allow 'google-api-core' 2.x versions (#956)

Closes #955.

Co-authored-by: Bu Sun Kim <[email protected]>

Author: tseaver

packages/gapic-generator/gapic/ads-templates/setup.py.j2

@@ -17,7 +17,7 @@ setuptools.setup(
     platforms='Posix; MacOS X; Windows',
     include_package_data=True,
     install_requires=(
-        'google-api-core >= 1.22.2, < 2.0.0dev',
+        'google-api-core >= 1.22.2, < 3.0.0dev',
         'googleapis-common-protos >= 1.5.8',
         'grpcio >= 1.10.0',
         'proto-plus >= 1.15.0',

packages/gapic-generator/gapic/templates/setup.py.j2

@@ -27,7 +27,7 @@ setuptools.setup(
     platforms='Posix; MacOS X; Windows',
     include_package_data=True,
     install_requires=(
-        'google-api-core[grpc] >= 1.27.0, < 2.0.0dev',
+        'google-api-core[grpc] >= 1.27.0, < 3.0.0dev',
         'libcst >= 0.2.5',
         'proto-plus >= 1.15.0',
         'packaging >= 14.3',
@@ -43,6 +43,7 @@ setuptools.setup(
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Internet',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],

packages/gapic-generator/tests/integration/goldens/asset/setup.py

@@ -34,7 +34,7 @@
     platforms='Posix; MacOS X; Windows',
     include_package_data=True,
     install_requires=(
-        'google-api-core[grpc] >= 1.27.0, < 2.0.0dev',
+        'google-api-core[grpc] >= 1.27.0, < 3.0.0dev',
         'libcst >= 0.2.5',
         'proto-plus >= 1.15.0',
         'packaging >= 14.3',        'grpc-google-iam-v1 >= 0.12.3, < 0.13dev',    ),
@@ -46,6 +46,7 @@
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Internet',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],

packages/gapic-generator/tests/integration/goldens/credentials/setup.py

@@ -34,7 +34,7 @@
     platforms='Posix; MacOS X; Windows',
     include_package_data=True,
     install_requires=(
-        'google-api-core[grpc] >= 1.27.0, < 2.0.0dev',
+        'google-api-core[grpc] >= 1.27.0, < 3.0.0dev',
         'libcst >= 0.2.5',
         'proto-plus >= 1.15.0',
         'packaging >= 14.3',    ),
@@ -46,6 +46,7 @@
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Internet',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],

packages/gapic-generator/tests/integration/goldens/logging/setup.py

@@ -34,7 +34,7 @@
     platforms='Posix; MacOS X; Windows',
     include_package_data=True,
     install_requires=(
-        'google-api-core[grpc] >= 1.27.0, < 2.0.0dev',
+        'google-api-core[grpc] >= 1.27.0, < 3.0.0dev',
         'libcst >= 0.2.5',
         'proto-plus >= 1.15.0',
         'packaging >= 14.3',    ),
@@ -46,6 +46,7 @@
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Internet',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],

packages/gapic-generator/tests/integration/goldens/redis/setup.py

@@ -34,7 +34,7 @@
     platforms='Posix; MacOS X; Windows',
     include_package_data=True,
     install_requires=(
-        'google-api-core[grpc] >= 1.27.0, < 2.0.0dev',
+        'google-api-core[grpc] >= 1.27.0, < 3.0.0dev',
         'libcst >= 0.2.5',
         'proto-plus >= 1.15.0',
         'packaging >= 14.3',    ),
@@ -46,6 +46,7 @@
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Internet',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],