Remove Python pyc File

Mar 16, 2016 in python

Python interpreter在執行的時候會在每個package底下產生__pycache__ folder and .pyc, *.pyo file
一般而言這些file不會進入版本控管所以在.gitigore中通常會有.py[co], pycache
但以上設定卻會在git branch switch時導致pyc, pyo殘留問題
以下介紹3種方法來處理

django學習筆記

Feb 19, 2016 in python

1. Coding Style
- 1.1. Use Explicit Relative Imports
2. Layout Django Project
3. Setting Files
- 3.1. 如何處理多環境設定(production, staging, local)
- 3.2. 重要的secret key問題(secret key不該進入version control)
- 3.3. 當環境限制無法使用environment variable時怎麼做呢
- 3.4. Requirements Files也要照環境分開
- 3.5. Setting Files中的Path不要使用Absolute Path
4. Model
- 4.1. Model Inheritance
- 4.2. Model Design Ordering
- 4.3. When to Use Null and Blank
- 4.4. When to Use BinaryField
- 4.5. Try to Avoid Using Generic Relations
- 4.6. The Model meta API
- 4.7. Fat Models
5. Queries and the Database Layer
- 5.1. Use get object or 404() for Single Objects instead of get()
- 5.2. Be Careful With Queries That Might Throw Exceptions
  - 5.2.1. ObjectDoesNotExist vs. DoesNotExist
  - 5.2.2. When You Just Want One Object but Get Three Back
- 5.3. Transactions
  - 5.3.1. Wrapping Each HTTP Request in a Transaction
  - 5.3.2. Explicit Transaction Declaration
6. Function- and Class-Based Views
- 6.1. When to Use FBVs or CBVs
- 6.2. Keep View Logic Out of URLConfs
- 6.3. Use URL Namespaces
- 6.4. Django Views Are Functions
- 6.5. Don't Use locals() as Views Context
7. Function-Based Views
- 7.1. Use Decorator To Modify Request And Response
8. Class-Based Views
- 8.1. Guidelines When Working With CBVs
- 8.2. Using Mixins With CBVs
- 8.3. Which Django GCBV Should Be Used for What Task?
- 8.4. General Tips for Django CBVs
- 8.5. How GCBVs and Forms Fit Together
  - 8.5.1. Views + ModelForm Example
  - 8.5.2. Views + Form Example
- 8.6. Using Just django.views.generic.View
9. Form Fundamentals
- 9.1. Validate All Incoming Data With Django Forms
- 9.2. Always Use CSRF Protection and POST With HTTP Forms That Modify Data
- 9.3. Understand How to Add Django Form Instance Attributes
- 9.4. Know How Form Validation Works
  - 9.4.1. ModelForm Data Is Saved to the Form, Then the Model In- stance
- 9.5. Add Errors to Forms with Form.add error()
10. Common Patterns for Forms
- 10.1. Pattern 1: Simple ModelForm With Default Validators
- 10.2. Pattern 2: Custom Form Field Validators in ModelForms
  - 10.2.1. put validator in Model
  - 10.2.2. put validator in Form
- 10.3. Pattern 3: Overriding the Clean Stage of Validation
- 10.4. Pattern 4: Hacking Form Fields (2 CBVs, 2 Forms, 1 Model)
- 10.5. Pattern 5: Reusable Search Mixin View
11. Templates
- 11.1. Keep Templates Mostly in templates/
- 11.2. Template Architecture Patterns
- 11.3. Limit Processing in Templates
- 11.4. Exploring Template Inheritance
- 11.5. block.super Gives the Power of Control
- 11.6. Useful Things to Consider
- 11.7. Error Page Templates
12. Template Tags and Filters
- 12.1. Filters Are Functions
  - 12.1.1. When to Write Filters
- 12.2. Custom Template Tags
  - 12.2.1. When to Write Template Tags
- 12.3. Naming Your Template Tag Libraries
- 12.4. Loading Your Template Tag Modules
  - 12.4.1. Watch Out for This Crazy Anti-Pattern
13. Building REST APIs
- 13.1. Fundamentals of Basic REST API Design
- 13.2. Implementing a Simple JSON API
- 13.3. REST API Architecture
- 13.4. Shutting Down an External API
- 13.5. Rate Limiting Your API
14. Working With the Django Admin
- 14.1. It's Not for End Users
- 14.2. Add str to Model
- 14.3. Adding Callables to ModelAdmin Classes
- 14.4. Django's Admin Documentation Generator
- 14.5. Securing the Django Admin and Django Admin Docs
15. Dealing With the User Model
- 15.1. Use Django's Tools for Finding the User Model
  - 15.1.1. Use settings.AUTH_USER_MODEL for Foreign Keys to User
  - 15.1.2. Don't Use get user model() for Foreign Keys to User
- 15.2. Custom User Fields for Django 1.8 Projects
16. Third-Party Packages
- 16.1. Wiring Up Django Packages: The Basics
17. Testing
- 17.1. Useful Library for Testing Django Projects
- 17.2. How to Structure Tests
- 17.3. How to Write Unit Tests
- 17.4. What About Integration Tests?
- 17.5. Continuous Integration
- 17.6. Setting Up the Test Coverage Game
18. Documentation
- 18.1. Use reStructuredText for Python Docs
- 18.2. Use Sphinx to Generate Documentation From reStructuredText
- 18.3. What Docs Should Django Projects Contain?
- 18.4. Additional Documentation Resources
19. Finding and Reducing Bottlenecks
- 19.1. Should You Even Care?
- 19.2. Speed Up Query-Heavy Pages
- 19.3. Know What Doesn't Belong in the Database
- 19.4. Cache Queries With Memcached or Redis
- 19.5. Identify Specific Places to Cache
- 19.6. Compression and Minification of HTML, CSS, and JavaScript
- 19.7. Use Upstream Caching or a Content Delivery Network
20. Asynchronous Task Queues
- 20.1. Do We Need a Task Queue?
- 20.2. Choosing Task Queue Software
- 20.3. Best Practices for Task Queues
21. Security
- 21.1. Know Django's Security Features
- 21.2. Turn Off DEBUG Mode in Production
- 21.3. Keep Your Secret Keys Secret
- 21.4. HTTPS Everywhere
- 21.5. Use Allowed Hosts Validation
- 21.6. Always Use CSRF Protection With HTTP Forms That Modify Data
- 21.7. Obfuscate Primary Keys with UUIDs
22. Logging
- 22.1. When to Use Each Log Level
- 22.2. Log Tracebacks When Catching Exceptions
- 22.3. One Logger Per Module That Uses Logging
- 22.4. Log Locally to Rotating Files
- 22.5. Log settings files
23. Signals: Use Cases and Avoidance Techniques
- 23.1. When to Use and Avoid Signals
- 23.2. Signal Avoidance Techniques
24. Utilities
- 24.1. Create a Core App for Your Utilities
- 24.2. Optimize Apps with Utility Modules
  - 24.2.1. Trimming Models
- 24.3. Django's Own Swiss Army Knife
- 24.4. Exceptions
- 24.5. Serializers and Deserializers
  - 24.5.1. django.core.serializers.json.DjangoJSONEncoder
25. Deployment:Platforms as a Service
- 25.1. Automate All the Things!
26. Deploying Django Projects
- 26.1. Single-Server for Small Projects
  - 26.1.1. Example: Quick Ubuntu + Gunicorn Setup
- 26.2. Multi-Server for Medium to Large Projects
  - 26.2.1. Advanced Multi-Server Setup
- 26.3. WSGI Application Servers
- 26.4. Automated, Repeatable Deployments
27. Continuous Integration
- 27.1. Principles of Continuous Integration
  - 27.1.1. Write Lots of Tests!
  - 27.1.2. Keeping the Build Fast
- 27.2. Tools for Continuously Integrating Your Project
  - 27.2.1. Tox
  - 27.2.2. Jenkins
- 27.3. Continuous Integration as a Service
  - 27.3.1. Code Coverage as a Service
28. Debugging
- 28.1. Debugging in Development
- 28.2. Debugging Production Systems
- 28.3. Feature Flags
  - 28.3.1. Feature Flag Packages
  - 28.3.2. Unit Testing Code Affected by Feature Flags
29. Internationalization and Localization
- 29.1. Define Python Source Code Encodings
- 29.2. Wrap Content Strings with Translation Functions
  - 29.2.1. Convention: Use the Underscore Alias to Save Typing
- 29.3. Don't Interpolate Words in Sentences
- 29.4. Unicode Tricks
- 29.5. Browser Page Layout
30. Security Settings Reference
- 30.1. Email SSL
- 30.2. SESSION SERIALIZER
- 30.3. SECURE PROXY SSL HEADER
31. Some Useful Packages
- 31.1. Core
- 31.2. Asynchronous
- 31.3. Deployment
- 31.4. Forms
- 31.5. Logging
- 31.6. Project Templates
- 31.7. REST APIs
- 31.8. Testing
- 31.9. Views
- 31.10. Feature Flag
32. Reference

django學習筆記
隨筆亂記，陸續增加中

PyCharm import django project

Dec 03, 2015 in python

PyCharm > Preferences > Project > Project interpreter
choose the python interpreter which contains django

PyCharm > Preferences > Languages & Frameworks > Django
check the Enable Django Support
Django project root: project root path
Settings: project settings.py path
Manage script: manage.py

Comment and share

pip指令筆記

Dec 03, 2015 in python

python 3rd library通常會撞到：python_path/lib/python3.4/site-packages

以安裝ipython為例

#安裝/反安裝package
pip install ipython
pip uninstall ipython
#找出ipython安裝在哪
pip show --files ipython
#更新package
pip install --upgrade ipython
#列出哪些package需要更新
pip list --outdated

Comment and share

pyenv-virtualenv指令筆記

Dec 03, 2015 in python

Mac下安裝

1	brew install pyenv-virtualenv

指令

#新增一個以python3.4為底的virtual env在/usr/local/opt/pyenv/versions
pyenv virtualenv 3.4 my-virtual-env-3.4
#移除
pyenv uninstall my-virtual-env﹣3.4

其他請參照pyenv指令筆記

Comment and share

pyenv指令筆記

Dec 03, 2015 in python

MAC底下安裝

記得先裝xcode command line tools
pyenv會裝到/usr/local/opt/pyenv

1	brew install pyenv

修改bash_profile加上

~/.bash_profile

1	eval "$(pyenv init -)"

cwza's blog

Remove Python pyc File

Table of Contents

django學習筆記

Table of Contents

PyCharm import django project

pip指令筆記

pyenv-virtualenv指令筆記

Mac下安裝

指令

pyenv指令筆記

MAC底下安裝

Cwza

Hello everyone.
I’m cwza.
Welcome to my blog.

Software Engineer

Taiwan/Taipei

Remove Python pyc File

Table of Contents

django學習筆記

Table of Contents

PyCharm import django project

pip指令筆記

pyenv-virtualenv指令筆記

Mac下安裝

指令

pyenv指令筆記

MAC底下安裝

Cwza

Hello everyone. I’m cwza. Welcome to my blog.

Software Engineer

Taiwan/Taipei

Hello everyone.
I’m cwza.
Welcome to my blog.