. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 8.3 collections —High-performance container datatypes . . . . . . . . . . . . . . . . . . . . . . . 165 8.4 heapq —堆队列算法 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1196 26.5 hotshot —High performance logging profiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1204 26.6 makefile() method of socket objects. Temporary files can be created using the tempfile module, and high-level file operations such as copying, moving, and deleting files and directories can be achieved

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 8.3 collections —High-performance container datatypes . . . . . . . . . . . . . . . . . . . . . . . 165 8.4 heapq —堆队列算法 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1196 26.5 hotshot —High performance logging profiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1204 26.6 makefile() method of socket objects. Temporary files can be created using the tempfile module, and high-level file operations such as copying, moving, and deleting files and directories can be achieved

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 8.3 collections —High-performance container datatypes . . . . . . . . . . . . . . . . . . . . . . . 165 8.4 heapq —堆队列算法 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1196 26.5 hotshot —High performance logging profiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1204 26.6 makefile() method of socket objects. Temporary files can be created using the tempfile module, and high-level file operations such as copying, moving, and deleting files and directories can be achieved

2.6 encodings.mbcs —Windows ANSI 代码页 Encode operand according to the ANSI codepage (CP_ACP). Availability: Windows only. 在 3.3 版更改: 支持任何错误处理 在 3.2 版更改: 在 3.2 版之前，errors 参数会被忽略；总是会使用 'replace' 进行编码，并使用 definitely correct. if self == float(self): return hash(float(self)) else: # Use tuple's hash to avoid a high collision rate on # simple fractions. return hash((self.numerator, self.denominator)) 加入更多数字的 ABC 位，执行一个运算，然后自动恢复之前的上下文: from decimal import localcontext with localcontext() as ctx: ctx.prec = 42 # Perform a high precision calculation s = calculate_something() s = +s # Round the final result back to the default

2.6 encodings.mbcs —Windows ANSI 代码页 Encode operand according to the ANSI codepage (CP_ACP). Availability: Windows only. 在 3.3 版更改: 支持任何错误处理 在 3.2 版更改: 在 3.2 版之前，errors 参数会被忽略；总是会使用 'replace' 进行编码，并使用 definitely correct. if self == float(self): return hash(float(self)) else: # Use tuple's hash to avoid a high collision rate on # simple fractions. return hash((self.numerator, self.denominator)) 加入更多数字的 ABC 位，执行一个运算，然后自动恢复之前的上下文: from decimal import localcontext with localcontext() as ctx: ctx.prec = 42 # Perform a high precision calculation s = calculate_something() s = +s # Round the final result back to the default

Deprecation Timeline 2.1 2.0 1.10 1.9 1.8 1.7 1.6 1.5 1.4 1.3 The Django source code repository High-level overview The master branch Other branches Tags How is Django Formed? Overview Prerequisites Django in our ticket tracker. How the documentation is organized Django has a lot of documentation. A high-level overview of how it’s organized will help you know where to look for certain things: Tutorials development. Also look at the “First steps” below. Topic guides discuss key topics and concepts at a fairly high level and provide useful background information and explanation. Reference guides contain technical

Django Deprecation Timeline 2.0 1.10 1.9 1.8 1.7 1.6 1.5 1.4 1.3 The Django source code repository High-level overview The master branch Other branches Tags How is Django Formed? Overview Prerequisites Django in our ticket tracker. How the documentation is organized Django has a lot of documentation. A high-level overview of how it’s organized will help you know where to look for certain things: Tutorials development. Also look at the “First steps” below. Topic guides discuss key topics and concepts at a fairly high level and provide useful background information and explanation. Reference guides contain technical

1 5.0 4.1 4.0 3.1 3.0 2.1 2.0 1.10 1.9 1.8 1.7 1.6 1.5 1.4 1.3 The Django source code repository High-level overview The main branch Stable branches Tags How is Django Formed? Overview Prerequisites Django in our ticket tracker. How the documentation is organized Django has a lot of documentation. A high-level overview of how it’s organized will help you know where to look for certain things: Tutorials development. Also look at the “First steps”. Topic guides discuss key topics and concepts at a fairly high level and provide useful background information and explanation. Reference guides contain technical

our ticket tracker. 1.2 How the documentation is organized Django has a lot of documentation. A high-level overview of how it’s organized will help you know where to look for certain things: • Tutorials Also look at the “First steps” below. • Topic guides discuss key topics and concepts at a fairly high level and provide useful background information and explanation. • Reference guides contain technical presented to the public. 2.1.5 Design your URLs A clean, elegant URL scheme is an important detail in a high-quality Web application. Django encourages beautiful URL design and doesn’t put any cruft in URLs

our ticket tracker. 1.2 How the documentation is organized Django has a lot of documentation. A high-level overview of how it’s organized will help you know where to look for certain things: • Tutorials Also look at the “First steps” below. • Topic guides discuss key topics and concepts at a fairly high level and provide useful background information and explanation. • Reference guides contain technical presented to the public. 2.1.5 Design your URLs A clean, elegant URL scheme is an important detail in a high-quality Web application. Django encourages beautiful URL design and doesn’t put any cruft in URLs