First python project
Download as PPTX, PDF3 likes2,322 views
This document discusses getting started with a first Python project. It covers installing Python and choosing an IDE, following coding best practices like PEP8 style guidelines, using built-in data structures, testing tools, virtual environments, project structure, and deployment tools like Supervisor. The goal is to help new Python programmers understand the basics of starting their first project.
![Virtual environment
$ [sudo] pip install virtualenv
$ cd ~/code/myproject/
$ virtualenv env
New python executable in env/bin/python
Installing setuptools............done.
Installing pip...............done.
$ ls env
bin include lib
$ which python
/usr/bin/python
$ source env/bin/activate
$ which python
/Users/name/code/myproject/env/bin/python](https://image.slidesharecdn.com/firstpythonproject-141002155736-phpapp01/85/First-python-project-17-320.jpg)
![Setup.py
from setuptools import setup, find_packages
setup(
name='buzz',
version='0.1',
description=Project name ',
long_description=open('README.md', 'r').read(),
classifiers=[
'Development Status :: 1 - Beta',
'Programming Language :: Python :: 2.7',
],
author_email='innovation@softlayer.com',
url='http://sldn.softlayer.com',
license='MIT',
packages=find_packages(),
include_package_data=True,
install_requires=[
‘package-name’,
‘docutils>=0.3’,
],
entry_points={
'console_scripts': [
'face_of_project = module:your_function,
]
},
#just download not install
setup_requires=[],
)](https://image.slidesharecdn.com/firstpythonproject-141002155736-phpapp01/85/First-python-project-19-320.jpg)
First python project
- 1. My First Python Project Neetu Jain Software Engineer Softlayer, IBM [email protected], [email protected]
- 2. What’s Ahead? What to expect when diving into python: Bird’s eye view of “getting started into python” How to start your first python project: some kind of a skeleton , resources, pointers Help you realise that some comics hit close to home: Thanks to xkcd.com *** if you already know python, you might not get much out of this talk :)***
- 3. First Stop:Install Python Version: Python 2.x or Python 3.x Python IDE: Pycharm, pythonwin, sublime ...e.t.c version control: git, svn...e.t.c
- 5. Zen Of Python PEP8 pip install --upgrade pep8 pep8 --show-source --show-pep8 test.py 4685 E501 line too long (80 > 79 characters) 1718 E302 expected 2 blank lines, found 1 pep8 --statistics -qq Project/ Pylint pip install pylint pylint --reports=n test.py C0111: 4,0:sth1: Missing docstring W0104: 5,4:sth1: Statement seems to have no effect
- 6. No More Compiler Breaks!
- 7. Nostalgia!
- 8. Bye Bye Static Typing
- 9. Built-in Data Structures ● Sets ● List ● Tuple ● Dictionary
- 10. No Pointers->No Segfaults *forget memory management and issues that arise from it*
- 11. Recycling Wins Reinventing Not likely in Python
- 12. Power of PyPi $pip install newpackage $import newpackage $newpackage.callitsfunction()
- 13. Testing Tools Ensure Automation **https://wiki.python.org/moin/PythonTestingToolsTaxonomy**
- 14. Tests:made easy $python unittest_simple.py $ python unittest_simple.py -v test (__main__.SimplisticTest) ... ok ------------------------------------ Ran 1 test in 0.000s OK/FAIL/ERROR unittest_simple.py import unittest class FixturesTest(unittest.TestCase): def test(self): print 'in test()' self.failIf(True, 'failure message goes here') if __name__ == '__main__': unittest.main()
- 15. Python: you can do a lot! Process mgmt: supervisor Deployment mgmt :fabric Database: sqllite Web framework:flask Messaging: pika(amqp)
- 17. Virtual environment $ [sudo] pip install virtualenv $ cd ~/code/myproject/ $ virtualenv env New python executable in env/bin/python Installing setuptools............done. Installing pip...............done. $ ls env bin include lib $ which python /usr/bin/python $ source env/bin/activate $ which python /Users/name/code/myproject/env/bin/python
- 18. Directory structure some_root_dir/ |-- LICENSE |-- README |-- setup.py |-- example_project/ | |-- __init__.py | |-- useful_1.py | |-- drivers/ | | |--useful_2.py |-- tests/ | |-- __init__.py | |-- runall.py | |-- test0.py |-- docs/ | |--conf.py | |--generated
- 19. Setup.py from setuptools import setup, find_packages setup( name='buzz', version='0.1', description=Project name ', long_description=open('README.md', 'r').read(), classifiers=[ 'Development Status :: 1 - Beta', 'Programming Language :: Python :: 2.7', ], author_email='[email protected]', url='http://sldn.softlayer.com', license='MIT', packages=find_packages(), include_package_data=True, install_requires=[ ‘package-name’, ‘docutils>=0.3’, ], entry_points={ 'console_scripts': [ 'face_of_project = module:your_function, ] }, #just download not install setup_requires=[], )
- 20. vagrant VM manager $ vagrant box add lucid32 http://files.vagrantup.com/lucid32.box $ mkdir my_vagrant_test $ cd my_vagrant_test $ vagrant init lucid32 $ vim Vagrantfile $ vagrant up $ vagrant ssh $ vagrant status $ vagrant reload $ vagrant destroy
- 21. Supervisor: A Process Control System vagrant@buzz:~$ supervisord -c /vagrant/scripts/supervisord.conf vagrant@buzz:~$ sudo supervisorctl -c /vagrant/scripts/supervisord.conf apnsfb RUNNING pid 5671, uptime 0:02:17 buzz RUNNING pid 5673, uptime 0:02:17 flask RUNNING pid 5672, uptime 0:02:17 vagrant@buzz:~$ cat /tmp/supervisord.log 2014-09-12 18:31:22,001 CRIT Supervisor running as root (no user in config file) 2014-09-12 18:31:22,017 INFO RPC interface 'supervisor' initialized
- 22. My First Python Project Neetu Jain Software Engineer Softlayer, IBM [email protected], [email protected]
Editor's Notes
- #21: Vagrant, an open-source product released in 2010, is best described as a VM manager. It allows you to script and package the VM config and the provisioning setup. It is designed to run on top of almost any VM tool – VirtualBox, VMWare, AWS, etc.