By Dr. M. O. Faruque Sarker, Sam Washington
Utilize Python three to get community purposes up and working fast and easily
About This Book
- Leverage your Python programming abilities to construct robust community applications
- Explore steps to engage with quite a lot of community services
- Design multithreaded and event-driven architectures for echo and chat servers
Who This publication Is For
If you are a Python developer or a method administrator with Python event and you are looking to take your first steps in community programming, then this e-book is for you. easy wisdom of Python is assumed.
What you'll Learn
- Develop an figuring out of community stacks and the ability of encapsulation
- Design high-performance community server applications
- Implement socket-based community purposes utilizing asynchronous models
- Build customer functions for significant net APIs, together with Amazon S3 and Twitter
- Interact with e mail servers utilizing SMTP, POP3, and IMAP protocols
- Deal with distant community servers utilizing SSH, FTP, SNMP, SMB/CIFS, and LDAP protocols
- Work with IP addresses together with Geo-IP lookups
- Download items from the internet and craft customized HTTP requests with urllib and the Requests library
In Detail
Network programming has regularly been a difficult activity. With full-featured and good documented libraries all of the manner up the stack, Python makes community programming the stress-free adventure it's going to be.
Starting with a walkthrough of latest significant networking protocols, with this e-book you are going to hire Python for community programming, the best way to request and retrieve net assets, and the way to extract info in significant codecs over the internet. you are going to make the most of Python for e-mailing utilizing assorted protocols and you can have interaction with distant structures and IP and DNS networking.
As the booklet progresses, socket programming may be lined, by way of the right way to layout servers and the professionals and cons of multithreaded and event-driven architectures. you will enhance functional client-side functions, together with internet API consumers, email consumers, SSH, and FTP. those functions can be applied via current net software frameworks.
Read Online or Download Learning Python Network Programming PDF
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Extra resources for Learning Python Network Programming
Example text
DNS We've discussed connecting to network devices by using IP addresses. However, unless you work with networks or in systems administration, it is unlikely that you will get to see an IP address very often, even though many of us use the Internet every day. When we browse the web or send an e-mail, we usually connect to servers using host names or domain names. These must somehow map to the servers' IP addresses. But how is this done? Documented as RFC 1035, the Domain Name System (DNS) is a globally distributed database of mappings between hostnames and IP addresses.
For earlier versions of Ubuntu, Felix Krull maintains a repository of up-to-date Python installations for Ubuntu. net/~fkrull/+archive/ubuntu/deadsnakes. 4), which can be installed directly with apt-get. 1, which can be installed similarly. 4 installations on these latter two, it's easiest to use Felix Krull's repositories for Ubuntu. RHEL, CentOS, Scientific Linux These distributions don't provide up-to-date Python 3 packages, so we need to use a third-party repository. For Red Hat Enterprise Linux, CentOS, and Scientific Linux, Python 3 can be obtained from the community supported Software Collections (SCL) repository.
When we create a network with a given network prefix, in the 32-bits of the IP address, the digits to the right of the network prefix are available for assignment to the network devices. We can calculate the number of the available addresses by raising 2 to the power of the number of available bits. For example, in a /28 network prefix, we have 4 bits left, which means that 16 addresses are available. In reality, we are able to assign fewer addresses, since two of the addresses in the calculated range are always reserved.