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Linux/UNIX 上のPython からYouTube Analytics Data にデータ連携。

CData ODBC Driver for YouTube Analytics を使って、Linux/UNIX 上のPython アプリケーションからYouTube Analytics data へのデータ連携が可能になります。Python のpyodbc モジュールを活用しましょう。

豊富なPython のエコシステムでデータ連携が簡単に行えます。 CData Linux/UNIX ODBC Driver for YouTube Analytics とpyodbc module を使って、簡単にYouTube Analytics に連携するPython アプリケーションが構築できます。本記事では、pyodbc のビルトイン機能を使って、YouTube Analytics data に接続し、クエリを実行、表示するかを説明します。

CData ODBC Drivers をUNIX/Linux マシンで利用

The CData ODBC Drivers are supported in various Red Hat-based and Debian-based systems, including Ubuntu, Debian, RHEL, CentOS, and Fedora. There are also several libraries and packages that are required, many of which may be installed by default, depending on your system. For more information on the supported versions of Linux operating systems and the required libraries, please refer to the "Getting Started" section in the help documentation (installed and found online).

Installing the Driver Manager

Before installing the driver, check that your system has a driver manager. For this article, you will use unixODBC, a free and open source ODBC driver manager that is widely supported.

For Debian-based systems like Ubuntu, you can install unixODBC with the APT package manager:

$ sudo apt-get install unixODBC unixODBC-dev

For systems based on Red Hat Linux, you can install unixODBC with yum or dnf:

$ sudo yum install unixODBC unixODBC-devel

The unixODBC driver manager reads information about drivers from an odbcinst.ini file and about data sources from an odbc.ini file. You can determine the location of the configuration files on your system by entering the following command into a terminal:

$ odbcinst -j

The output of the command will display the locations of the configuration files for ODBC data sources and registered ODBC drivers. User data sources can only be accessed by the user account whose home folder the odbc.ini is located in. System data sources can be accessed by all users. Below is an example of the output of this command:

DRIVERS............: /etc/odbcinst.ini SYSTEM DATA SOURCES: /etc/odbc.ini FILE DATA SOURCES..: /etc/ODBCDataSources USER DATA SOURCES..: /home/myuser/.odbc.ini SQLULEN Size.......: 8 SQLLEN Size........: 8 SQLSETPOSIROW Size.: 8

Installing the Driver

You can download the driver in standard package formats: the Debian .deb package format or the .rpm file format. Once you have downloaded the file, you can install the driver from the terminal.

The driver installer registers the driver with unixODBC and creates a system DSN, which can be used later in any tools or applications that support ODBC connectivity.

For Debian-based systems like Ubuntu, run the following command with sudo or as root: $ dpkg -i /path/to/package.deb

For Red Hat systems and other systems that support .rpms, run the following command with sudo or as root: $ rpm -i /path/to/package.rpm

Once the driver is installed, you can list the registered drivers and defined data sources using the unixODBC driver manager:

List the Registered Driver(s)

$ odbcinst -q -d CData ODBC Driver for YouTube Analytics ...

List the Defined Data Source(s)

$ odbcinst -q -s CData YouTubeAnalytics Source ...

To use the CData ODBC Driver for YouTube Analytics with unixODBC, ensure that the driver is configured to use UTF-16. To do so, edit the INI file for the driver (cdata.odbc.youtubeanalytics.ini), which can be found in the lib folder in the installation location (typically /opt/cdata/cdata-odbc-driver-for-youtubeanalytics), as follows:

cdata.odbc.youtubeanalytics.ini

... [Driver] DriverManagerEncoding = UTF-16

Modifying the DSN

The driver installation predefines a system DSN. You can modify the DSN by editing the system data sources file (/etc/odbc.ini) and defining the required connection properties. Additionally, you can create user-specific DSNs that will not require root access to modify in $HOME/.odbc.ini.

YouTube Analytics uses the OAuth authentication standard. You can use the embedded CData OAuth credentials or you can register an application with Google to obtain your own.

In addition to the OAuth values, to access YouTube Analytics data set ChannelId to the Id of a YouTube channel. You can obtain the channel Id in the advanced account settings for your channel. If not specified, the channel of the currently authenticated user will be used.

If you want to generate content owner reports, specify the ContentOwnerId property. This is the Id of the copyright holder for content in YouTube's rights management system. The content owner is the person or organization that claims videos and sets their monetization policy.

/etc/odbc.ini or $HOME/.odbc.ini

[CData YouTubeAnalytics Source] Driver = CData ODBC Driver for YouTube Analytics Description = My Description ContentOwnerId = MyContentOwnerId ChannelId = MyChannelId

For specific information on using these configuration files, please refer to the help documentation (installed and found online).

You can follow the procedure below to install pyodbc and start accessing YouTube Analytics through Python objects.

pyodbc のインストール

You can use the pip utility to install the module:

pip install pyodbc

Be sure to import with the module with the following:

import pyodbc

Python でのYouTube Analytics Data への接続

You can now connect with an ODBC connection string or a DSN. Below is the syntax for a connection string:

cnxn = pyodbc.connect('DRIVER={CData ODBC Driver for YouTube Analytics};ContentOwnerId=MyContentOwnerId;ChannelId=MyChannelId;')

Below is the syntax for a DSN:

cnxn = pyodbc.connect('DSN=CData YouTubeAnalytics Sys;')

Execute SQL to YouTube Analytics

Instantiate a Cursor and use the execute method of the Cursor class to execute any SQL statement.

cursor = cnxn.cursor()

Select

You can use fetchall, fetchone, and fetchmany to retrieve Rows returned from SELECT statements:

import pyodbc cursor = cnxn.cursor() cnxn = pyodbc.connect('DSN=CData YouTubeAnalytics Source;User=MyUser;Password=MyPassword') cursor.execute("SELECT Snippet_Title, ContentDetails_ItemCount FROM Groups WHERE Mine = 'True'") rows = cursor.fetchall() for row in rows: print(row.Snippet_Title, row.ContentDetails_ItemCount)

You can provide parameterized queries in a sequence or in the argument list:

cursor.execute( "SELECT Snippet_Title, ContentDetails_ItemCount FROM Groups WHERE Mine = ?", 'True',1)

Insert

INSERT commands also use the execute method; however, you must subsequently call the commit method after an insert or you will lose your changes:

cursor.execute("INSERT INTO Groups (Mine) VALUES ('True')") cnxn.commit()

Update and Delete

As with an insert, you must also call commit after calling execute for an update or delete:

cursor.execute("UPDATE Groups SET Mine = 'True'") cnxn.commit()

Metadata Discovery

You can use the getinfo method to retrieve data such as information about the data source and the capabilities of the driver. The getinfo method passes through input to the ODBC SQLGetInfo method.

cnxn.getinfo(pyodbc.SQL_DATA_SOURCE_NAME)

You are now ready to build Python apps in Linux/UNIX environments with connectivity to YouTube Analytics data, using the CData ODBC Driver for YouTube Analytics.

 
 
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