WIP: Add logging statements to identify location failure

Author: vchudnov-g

gapic/templates/%namespace/%name_%version/%sub/__init__.py.j2

@@ -7,7 +7,7 @@ from {{package_path}} import gapic_version as package_version
 
 __version__ = package_version.__version__
 
-
+import logging
 import google.api_core as api_core
 try:
     if hasattr(api_core, "check_python_version") and hasattr(api_core, "check_dependency_versions"):   # pragma: NO COVER
@@ -24,18 +24,26 @@ try:
         # An older version of api_core is installed, which does not define the
         # functions above. We do equivalent checks manually.
 
+        print("***before imports")  # was logging
+
         import warnings
         import sys
 
         _py_version_str = sys.version.split()[0]
         _package_label = "{{package_path}}"
+
+        print("***before old version check")  # was logging
+
         if sys.version_info < (3, 9):
             warnings.warn("You are using a non-supported Python version " +
                           f"({_py_version_str}).  Google will not post any further " +
                           f"updates to {_package_label} supporting this Python version. " +
                           "Please upgrade to the latest Python version, or at " +
                           f"least to Python 3.9, and then update {_package_label}.",
                           FutureWarning)
+
+        print("***before Py 3.9 check")  # was logging
+
         if sys.version_info[:2] == (3, 9):
             warnings.warn(f"You are using a Python version ({_py_version_str}) " +
                           f"which Google will stop supporting in {_package_label} when " +
@@ -45,20 +53,36 @@ try:
                           f"then update {_package_label}.",
                           FutureWarning)
 
+        print("***before packaging import")  # was logging
+
+
         from packaging.version import parse as parse_version
 
+        print("***before sys.version check for packaging")  # was logging
+
         if sys.version_info < (3, 8):
+
+            print("***defining package version for older version: before import")  # was logging
+
             import pkg_resources
 
+            print("***after importing pkg_resources")  # was logging
+
             def _get_version(dependency_name):
               try:
                 version_string = pkg_resources.get_distribution(dependency_name).version
                 return (parse_version(version_string), version_string)
               except pkg_resources.DistributionNotFound:
                 return (None, "--")
         else:
+
+            print("***defining package version for newer version: before import")  # was logging
+
             from importlib import metadata
 
+            print("***after importing metadata")  # was logging
+
+
             def _get_version(dependency_name):
                 try:
                     version_string = metadata.version("requests")
@@ -67,9 +91,12 @@ try:
                 except metadata.PackageNotFoundError:
                     return (None, "--")
 
+
+        print("***before echoing package versions")  # was logging
+
         for _dependency_package in ["aiohttp", "grpcio", "grpcio-status", "grpcgcp", "grpcio-gcp"]:
             (_version_used, _version_used_string) = _get_version(_dependency_package)
-            print(f"*** Dependency: {dependency_package} @ {_version_used_string}")
+            print(f"*** Dependency: {_dependency_package} @ {_version_used_string}")  # was logging
 
         _dependency_package = "google.protobuf"
         _next_supported_version = "4.25.8"

tests/integration/goldens/asset/google/cloud/asset_v1/__init__.py

@@ -17,7 +17,7 @@
 
 __version__ = package_version.__version__
 
-
+import logging
 import google.api_core as api_core
 try:
     if hasattr(api_core, "check_python_version") and hasattr(api_core, "check_dependency_versions"):   # pragma: NO COVER
@@ -27,18 +27,26 @@
         # An older version of api_core is installed, which does not define the
         # functions above. We do equivalent checks manually.
 
+        print("***before imports")  # was logging
+
         import warnings
         import sys
 
         _py_version_str = sys.version.split()[0]
         _package_label = "google.cloud.asset_v1"
+
+        print("***before old version check")  # was logging
+
         if sys.version_info < (3, 9):
             warnings.warn("You are using a non-supported Python version " +
                           f"({_py_version_str}).  Google will not post any further " +
                           f"updates to {_package_label} supporting this Python version. " +
                           "Please upgrade to the latest Python version, or at " +
                           f"least to Python 3.9, and then update {_package_label}.",
                           FutureWarning)
+
+        print("***before Py 3.9 check")  # was logging
+
         if sys.version_info[:2] == (3, 9):
             warnings.warn(f"You are using a Python version ({_py_version_str}) " +
                           f"which Google will stop supporting in {_package_label} when " +
@@ -48,20 +56,34 @@
                           f"then update {_package_label}.",
                           FutureWarning)
 
+        print("***before packaging import")  # was logging
+
         from packaging.version import parse as parse_version
 
+        print("***before sys.version check for packaging")  # was logging
+
         if sys.version_info < (3, 8):
+
+            print("***defining package version for older version: before import")  # was logging
+
             import pkg_resources
 
+            print("***after importing pkg_resources")  # was logging
+
             def _get_version(dependency_name):
               try:
                 version_string = pkg_resources.get_distribution(dependency_name).version
                 return (parse_version(version_string), version_string)
               except pkg_resources.DistributionNotFound:
                 return (None, "--")
         else:
+
+            print("***defining package version for newer version: before import")  # was logging
+
             from importlib import metadata
 
+            print("***after importing metadata")  # was logging
+
             def _get_version(dependency_name):
                 try:
                     version_string = metadata.version("requests")
@@ -70,9 +92,11 @@ def _get_version(dependency_name):
                 except metadata.PackageNotFoundError:
                     return (None, "--")
 
+        print("***before echoing package versions")  # was logging
+
         for _dependency_package in ["aiohttp", "grpcio", "grpcio-status", "grpcgcp", "grpcio-gcp"]:
             (_version_used, _version_used_string) = _get_version(_dependency_package)
-            print(f"*** Dependency: {dependency_package} @ {_version_used_string}")
+            print(f"*** Dependency: {_dependency_package} @ {_version_used_string}")  # was logging
 
         _dependency_package = "google.protobuf"
         _next_supported_version = "4.25.8"

tests/integration/goldens/credentials/google/iam/credentials_v1/__init__.py

@@ -17,7 +17,7 @@
 
 __version__ = package_version.__version__
 
-
+import logging
 import google.api_core as api_core
 try:
     if hasattr(api_core, "check_python_version") and hasattr(api_core, "check_dependency_versions"):   # pragma: NO COVER
@@ -27,18 +27,26 @@
         # An older version of api_core is installed, which does not define the
         # functions above. We do equivalent checks manually.
 
+        print("***before imports")  # was logging
+
         import warnings
         import sys
 
         _py_version_str = sys.version.split()[0]
         _package_label = "google.iam.credentials_v1"
+
+        print("***before old version check")  # was logging
+
         if sys.version_info < (3, 9):
             warnings.warn("You are using a non-supported Python version " +
                           f"({_py_version_str}).  Google will not post any further " +
                           f"updates to {_package_label} supporting this Python version. " +
                           "Please upgrade to the latest Python version, or at " +
                           f"least to Python 3.9, and then update {_package_label}.",
                           FutureWarning)
+
+        print("***before Py 3.9 check")  # was logging
+
         if sys.version_info[:2] == (3, 9):
             warnings.warn(f"You are using a Python version ({_py_version_str}) " +
                           f"which Google will stop supporting in {_package_label} when " +
@@ -48,20 +56,34 @@
                           f"then update {_package_label}.",
                           FutureWarning)
 
+        print("***before packaging import")  # was logging
+
         from packaging.version import parse as parse_version
 
+        print("***before sys.version check for packaging")  # was logging
+
         if sys.version_info < (3, 8):
+
+            print("***defining package version for older version: before import")  # was logging
+
             import pkg_resources
 
+            print("***after importing pkg_resources")  # was logging
+
             def _get_version(dependency_name):
               try:
                 version_string = pkg_resources.get_distribution(dependency_name).version
                 return (parse_version(version_string), version_string)
               except pkg_resources.DistributionNotFound:
                 return (None, "--")
         else:
+
+            print("***defining package version for newer version: before import")  # was logging
+
             from importlib import metadata
 
+            print("***after importing metadata")  # was logging
+
             def _get_version(dependency_name):
                 try:
                     version_string = metadata.version("requests")
@@ -70,9 +92,11 @@ def _get_version(dependency_name):
                 except metadata.PackageNotFoundError:
                     return (None, "--")
 
+        print("***before echoing package versions")  # was logging
+
         for _dependency_package in ["aiohttp", "grpcio", "grpcio-status", "grpcgcp", "grpcio-gcp"]:
             (_version_used, _version_used_string) = _get_version(_dependency_package)
-            print(f"*** Dependency: {dependency_package} @ {_version_used_string}")
+            print(f"*** Dependency: {_dependency_package} @ {_version_used_string}")  # was logging
 
         _dependency_package = "google.protobuf"
         _next_supported_version = "4.25.8"

tests/integration/goldens/eventarc/google/cloud/eventarc_v1/__init__.py

@@ -17,7 +17,7 @@
 
 __version__ = package_version.__version__
 
-
+import logging
 import google.api_core as api_core
 try:
     if hasattr(api_core, "check_python_version") and hasattr(api_core, "check_dependency_versions"):   # pragma: NO COVER
@@ -27,18 +27,26 @@
         # An older version of api_core is installed, which does not define the
         # functions above. We do equivalent checks manually.
 
+        print("***before imports")  # was logging
+
         import warnings
         import sys
 
         _py_version_str = sys.version.split()[0]
         _package_label = "google.cloud.eventarc_v1"
+
+        print("***before old version check")  # was logging
+
         if sys.version_info < (3, 9):
             warnings.warn("You are using a non-supported Python version " +
                           f"({_py_version_str}).  Google will not post any further " +
                           f"updates to {_package_label} supporting this Python version. " +
                           "Please upgrade to the latest Python version, or at " +
                           f"least to Python 3.9, and then update {_package_label}.",
                           FutureWarning)
+
+        print("***before Py 3.9 check")  # was logging
+
         if sys.version_info[:2] == (3, 9):
             warnings.warn(f"You are using a Python version ({_py_version_str}) " +
                           f"which Google will stop supporting in {_package_label} when " +
@@ -48,20 +56,34 @@
                           f"then update {_package_label}.",
                           FutureWarning)
 
+        print("***before packaging import")  # was logging
+
         from packaging.version import parse as parse_version
 
+        print("***before sys.version check for packaging")  # was logging
+
         if sys.version_info < (3, 8):
+
+            print("***defining package version for older version: before import")  # was logging
+
             import pkg_resources
 
+            print("***after importing pkg_resources")  # was logging
+
             def _get_version(dependency_name):
               try:
                 version_string = pkg_resources.get_distribution(dependency_name).version
                 return (parse_version(version_string), version_string)
               except pkg_resources.DistributionNotFound:
                 return (None, "--")
         else:
+
+            print("***defining package version for newer version: before import")  # was logging
+
             from importlib import metadata
 
+            print("***after importing metadata")  # was logging
+
             def _get_version(dependency_name):
                 try:
                     version_string = metadata.version("requests")
@@ -70,9 +92,11 @@ def _get_version(dependency_name):
                 except metadata.PackageNotFoundError:
                     return (None, "--")
 
+        print("***before echoing package versions")  # was logging
+
         for _dependency_package in ["aiohttp", "grpcio", "grpcio-status", "grpcgcp", "grpcio-gcp"]:
             (_version_used, _version_used_string) = _get_version(_dependency_package)
-            print(f"*** Dependency: {dependency_package} @ {_version_used_string}")
+            print(f"*** Dependency: {_dependency_package} @ {_version_used_string}")  # was logging
 
         _dependency_package = "google.protobuf"
         _next_supported_version = "4.25.8"