用pip 安装pymssql时安装失败，解决办法。通过下载文件手动pip安装

Step 1: Configure development environment for pymssql Python development

• 01/19/2017
• 2 minutes to read
• Contributors
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You will need to configure your development environment with the prerequisites in order to develop an application using the Python Driver for SQL Server.

Note that the Python SQL Drivers use the TDS protocol, which is enabled by default in SQL Server and Azure SQL Database. No additional configuration is required.

Windows

1. Install Python runtime and pip package manager
   a. Go to python.org
   b. Click on the appropriate Windows installer msi link.
   c. Once downloaded run the msi to install Python runtime

2. Download pymssql module from here

   Make sure you choose the correct whl file. For example : If you are using Python 2.7 on a 64 bit machine choose : pymssql‑2.1.1‑cp27‑none‑win_amd64.whl. Once you download the .whl file place it in the the C:/Python27 folder.

3. Open cmd.exe

4. Install pymssql module
   For example, if you are using Python 2.7 on a 64 bit machine:

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   > cd c:\Python27  
   > pip install pymssql‑2.1.1‑cp27‑none‑win_amd64.whl  
   

Ubuntu Linux

1. Install Python runtime and pip package manager Python comes pre-installed on most distributions of Ubuntu. If your machine does not have python installed, you can get either download the source tarball from python.org and build locally, or you can use the package manager:

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   > sudo apt-get install python   
   

2. Open terminal

3. Install pymssql module and dependencies

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   > sudo apt-get --assume-yes update  
   > sudo apt-get --assume-yes install freetds-dev freetds-bin  
   > sudo apt-get --assume-yes install python-dev python-pip  
   > sudo pip install pymssql  
   

Mac

1. Install Python runtime and pip package manager
   a. Go to python.org
   b. Click on the appropriate Mac installer pkg link.
   c. Once downloaded run the pkg to install Python runtime

2. Open terminal

3. Install Homebrew package manager

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   > ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"  
   

4. Install FreeTDS module

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   > brew install FreeTDS  
   

5. Install pymssql module

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   > sudo -H pip install pymssql  
   

Note

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