====== Python Editor with pydev plugin on Eclipse ======
===== Install pydev on Eclipse and Configure =====
pydev run with java8
==== Install Pydev plugin for Eclipse ====
refer: http://www.pydev.org/manual_101_install.html
The following assume that you have already Eclipse installed:
  - You must install **jdk8** to run eclipse
  - Get Certificate from http://www.pydev.org/pydev_certificate.cer
  - Go to **Help > Installation details** and look for **'java.home'** . Then to actually import it, in the command line, go to the Eclipse **'java.home'** directory and execute:<code bat>
bin/keytool.exe -import -file pydev_certificate.cer -keystore lib/security/cacerts
</code> => your **password** when requested should be **changeit**
  - Select **Help->Install New Software** to open Eclipse update manager Diaglog. Install PyDev via the Eclipse update manager via the following update site: http://www.pydev.org/updates
  - Or install via **Help -> Eclipse Marketplace** and **search "pydev"**
  - Remove: Go to **Help > Installation details > Installed Software** and remove it
==== configuration Pydev on Eclipse ====
  - Open in the **Window → Preference → Pydev → Interpreter Python** menu{{:python:xpydev02.png|}}
  - Press the **New** button and enter the path to python.exe in your Python installation directory{{:python:xpydev04.png|}}
  - The result should look like the following{{:python:xpydev06.png|}}
===== Your first Python program in Eclipse =====
  - Select **Window->Open Perspective ->Other**. Select the **PyDev** perspective.{{:python:xpydev30.png|}}
  - Select **File -> New -> Project**. Select **Pydev -> Pydev** Project.{{:python:xpydev10.png|}}
  - Create a new project with the name "de.vogella.python.first". Select Python version 2.6 and your interpreter.{{:python:xpydev20.png|}}Press Finish
  - Select the "src" folder of your project, right-click it and select **New -> PyDev Modul**. Create a module "FirstModule".{{:python:xpydev40.png|}}
===== Debug =====
  * Just right-click in the source code and add a breakpoint.
{{:python:xdebug10.png|}}
  * Then select **Debug as -> Python Run**{{:python:xdebug20.png|}}
  * You can now inspect and modify the variables in the variables view.{{:python:xdebug30.png|}}
Via the debug buttons (or shortcuts F5, F6, F7, F8) you can move in your program.
You can use F5 / F6, F7 and F8 to step through your coding.
===== Import pre-Existing python project =====
  - Select **Window->Open Perspective ->Other**. Select the **PyDev** perspective.{{:python:xpydev30.png|}}
  - right click on the project pan and click **import**
  - From the list expand **General** and select **existing project into workspace**.
  - Select root directory by going next
  - Optionally you select **copy projects into workspace**
===== Import scrapy project and debug =====
==== Import Scrapy Project ====
  - Create new pydev project, for example {{:python:scrapy-create-project.png|}}
  - Copy existing scrapy project to directory myscrapy
  - Refresh the scrapy project in eclipse
{{:python:scrapy-refresh.png|}}
==== Config run and debug scrapy ====
  - Go to **Run->Debug Configuration** to open Debug Configuration dialog
  - Create new configuration myscrapy in menu **Python run**
  - Config below parameters:
      * **Main->Main Module**:d:\tools\Python27\Lib\site-packages\scrapy-0.22.2-py2.7.egg\scrapy\cmdline.py
      * **Arguments->Program Arguments**: crawl dmoz
==== Config run and debug scrapy tests ====
  - Go to **Run->Debug Configuration** to open Debug Configuration dialog
  - Create new configuration scrapyunittest in menu **Python unittest**
  - Config below parameters:
      * **Main->Main Module**:d:\tools\Python27\Lib\site-packages\Scrapy-0.22.2-py2.7.egg\scrapy\tests\test_engine.py