[FLINK-23632][docs] Fix the setup-pyflink-virtual-env.sh link

Author: aajisaka

docs/content.zh/docs/dev/python/faq.md

@@ -32,7 +32,7 @@ under the License.
 
 ## 准备Python虚拟环境
 
-您可以下载[便捷脚本]({% link downloads/setup-pyflink-virtual-env.sh %})，以准备可在Mac OS和大多数Linux发行版上使用的Python虚拟环境包(virtual env zip)。
+您可以下载[便捷脚本](/downloads/setup-pyflink-virtual-env.sh)，以准备可在Mac OS和大多数Linux发行版上使用的Python虚拟环境包(virtual env zip)。
 您可以指定PyFlink的版本，来生成对应的PyFlink版本所需的Python虚拟环境，否则将安装最新版本的PyFlink所对应的Python虚拟环境。
 
 {{< stable >}}

docs/content/docs/dev/python/faq.md

@@ -30,7 +30,7 @@ This page describes the solutions to some common questions for PyFlink users.
 
 ## Preparing Python Virtual Environment
 
-You can download a [convenience script]({% link downloads/setup-pyflink-virtual-env.sh %}) to prepare a Python virtual env zip which can be used on Mac OS and most Linux distributions.
+You can download a [convenience script](/downloads/setup-pyflink-virtual-env.sh) to prepare a Python virtual env zip which can be used on Mac OS and most Linux distributions.
 You can specify the PyFlink version to generate a Python virtual environment required for the corresponding PyFlink version, otherwise the most recent version will be installed.
 
 {{< stable >}}

docs/static/downloads/setup-pyflink-virtual-env.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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 -e
+# download miniconda.sh
+if [[ `uname -s` == "Darwin" ]]; then
+    if [[ `uname -m` == "arm64" ]]; then
+        wget "https://repo.anaconda.com/miniconda/Miniconda3-py310_23.5.2-0-MacOSX-arm64.sh" -O "miniconda.sh"
+    else
+        wget "https://repo.anaconda.com/miniconda/Miniconda3-py310_23.5.2-0-MacOSX-x86_64.sh" -O "miniconda.sh"
+    fi
+else
+    wget "https://repo.anaconda.com/miniconda/Miniconda3-py310_23.5.2-0-Linux-x86_64.sh" -O "miniconda.sh"
+fi
+
+# add the execution permission
+chmod +x miniconda.sh
+
+# create python virtual environment
+./miniconda.sh -b -p venv
+
+# activate the conda python virtual environment
+source venv/bin/activate ""
+
+# install PyFlink dependency
+if [[ $1 = "" ]]; then
+    # install the latest version of pyflink
+    pip install apache-flink
+else
+    # install the specified version of pyflink
+    pip install "apache-flink==$1"
+fi
+
+# deactivate the conda python virtual environment
+conda deactivate
+
+# remove the cached packages
+rm -rf venv/pkgs
+
+# package the prepared conda python virtual environment
+zip -r venv.zip venv