add script to create kubernetes_asyncio python client (#60)

* feat: package named kubernetes_asyncio

* feat: fix rest client

* fix: patch rest client to support strategic-merge-patch+json

* fix: docs, move patch to ext. file

openapi/python-asyncio-rest.py.patch

@@ -0,0 +1,29 @@
+21a22,23
+> import asyncio
+> 
+81a84,86
+>     def __del__(self):
+>         asyncio.ensure_future(self.pool_manager.close())
+> 
+130a136,138
+>                 if headers['Content-Type'] == 'application/json-patch+json':
+>                     if not isinstance(body, list):
+>                         headers['Content-Type'] = 'application/strategic-merge-patch+json'
+164c172,174
+<         async with self.pool_manager.request(**args) as r:
+---
+>         r = await self.pool_manager.request(**args)
+>         if _preload_content:
+> 
+168,169c178,179
+<         # log response body
+<         logger.debug("response body: %s", r.data)
+---
+>             # log response body
+>             logger.debug("response body: %s", r.data)
+171,172c181,182
+<         if not 200 <= r.status <= 299:
+<             raise ApiException(http_resp=r)
+---
+>             if not 200 <= r.status <= 299:
+>                 raise ApiException(http_resp=r)

openapi/python-asyncio.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+# Copyright 2018 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+ARGC=$#
+
+if [ $# -ne 2 ]; then
+    echo "Usage:"
+    echo "    python-asyncio.sh OUTPUT_DIR SETTING_FILE_PATH"
+    echo "    Setting file should define KUBERNETES_BRANCH, CLIENT_VERSION, and PACKAGE_NAME"
+    exit 1
+fi
+
+
+OUTPUT_DIR=$1
+SETTING_FILE=$2
+mkdir -p "${OUTPUT_DIR}"
+
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")
+pushd "${SCRIPT_ROOT}" > /dev/null
+SCRIPT_ROOT=`pwd`
+popd > /dev/null
+
+pushd "${OUTPUT_DIR}" > /dev/null
+OUTPUT_DIR=`pwd`
+popd > /dev/null
+
+source "${SCRIPT_ROOT}/client-generator.sh"
+source "${SETTING_FILE}"
+
+SWAGGER_CODEGEN_COMMIT=f9b2839a3076f26db1b8fc61655a26662f2552ee; \
+CLIENT_LANGUAGE=python-asyncio; \
+CLEANUP_DIRS=(client/apis client/models docs test); \
+kubeclient::generator::generate_client "${OUTPUT_DIR}"
+
+echo "--- Patching generated code..."
+find "${OUTPUT_DIR}/test" -type f -name \*.py -exec sed -i 's/\bclient/kubernetes_asyncio.client/g' {} +
+find "${OUTPUT_DIR}" -path "${OUTPUT_DIR}/base" -prune -o -type f -a -name \*.md -exec sed -i 's/\bclient/kubernetes_asyncio.client/g' {} +
+find "${OUTPUT_DIR}" -path "${OUTPUT_DIR}/base" -prune -o -type f -a -name \*.md -exec sed -i 's/kubernetes_asyncio.client-python/client-python/g' {} +
+
+# workaround https://github.com/swagger-api/swagger-codegen/pull/7905
+find "${OUTPUT_DIR}/client" -type f -name \*.py ! -name '__init__.py' -exec sed -i '/^from .*models.*/d' {} \;
+
+# workaround https://github.com/swagger-api/swagger-codegen/pull/8204
+# + closing session
+# + support application/strategic-merge-patch+json
+patch "${OUTPUT_DIR}/client/rest.py" "${SCRIPT_ROOT}/python-asyncio-rest.py.patch"
+
+# fix imports
+find "${OUTPUT_DIR}/client/" -type f -name \*.py -exec sed -i 's/import client\./import kubernetes_asyncio.client./g' {} +
+find "${OUTPUT_DIR}/client/" -type f -name \*.py -exec sed -i 's/from client/from kubernetes_asyncio.client/g' {} +
+find "${OUTPUT_DIR}/client/" -type f -name \*.py -exec sed -i 's/getattr(client\.models/getattr(kubernetes_asyncio.client.models/g' {} +
+
+echo "---Done."

openapi/python-asyncio.xml

@@ -0,0 +1,55 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>io.kubernetes</groupId>
+    <artifactId>client-python</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <name>client-python</name>
+    <url>http://kubernetes.io</url>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>io.swagger</groupId>
+                <artifactId>swagger-codegen-maven-plugin</artifactId>
+                <version>${swagger-codegen-version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>generate</goal>
+                        </goals>
+                        <configuration>
+                            <inputSpec>${generator.spec.path}</inputSpec>
+                            <language>python</language>
+                            <library>asyncio</library>
+                            <gitUserId>kubernetes-client</gitUserId>
+                            <gitRepoId>python</gitRepoId>
+                            <configOptions>
+                                <packageName>${generator.package.name}</packageName>
+                                <packageVersion>${generator.client.version}</packageVersion>
+                                <sortParamsByRequiredFlag>true</sortParamsByRequiredFlag>
+                            </configOptions>
+                            <output>${generator.output.path}</output>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <!-- dependencies are needed for the client being generated -->
+        <dependency>
+            <groupId>io.swagger</groupId>
+            <artifactId>swagger-annotations</artifactId>
+            <version>${swagger-annotations-version}</version>
+        </dependency>
+    </dependencies>
+    <properties>
+        <swagger-annotations-version>1.5.0</swagger-annotations-version>
+        <maven-plugin-version>1.0.0</maven-plugin-version>
+
+        <!-- Default values for the generator parameters. -->
+        <generator.output.path>.</generator.output.path>
+        <generator.spec.path>swagger.json</generator.spec.path>
+        <generator.package.name>swagger_client</generator.package.name>
+        <generator.client.version>unversioned</generator.client.version>
+    </properties>
+</project>