JasonHan | 1 Aug 05:34 2014
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[CPyUG] 如何通过ftplib模块获得FTP服务器上文件的具体修改时间?

这是我的代码:

f = ftplib.FTP(HOST)
f.login(USER,PASSWORD)
print f.dir()

输出类似于:
dr-xr-xr-x   1 ftp      ftp            0 Apr 30 19:00 test

因为我需要实现一个根据修改时间同步的软件,所以需要具体的时间信息,但是ftplib返回的没有年份.
Python版本2.7,请问如何解决,谢谢




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Thomas Huang | 1 Aug 03:57 2014
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[CPyUG] Nginx openresty 与Tornado结合的奇葩想法设计

Hi aLL,


以前使用C++ 作nginx的模块开发,使用subrequest向 Nginx openresty 的mysql db backed + memcache作存储和缓存,性能相当不错。

现在有个奇葩的想法:
如果使用tornao加一个拥有连接池的http异步client 连接 nginx openrestry 作异步存储架构,相对好像要比tornado自身封装异步存储简单相当的多。

请问有人作过此类设计,性能方面如何呢?

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yegle | 31 Jul 19:38 2014
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Re: [CPyUG] 对于尝试用python写一个流服务器 请大家给点建议吧

HTTP提供视频文件下载也叫视频流传输。

2014-07-31 9:15 GMT-07:00 wzj <wangzhaojiang2013 <at> gmail.com>:
> 最近小弟想尝试用python写一个视频流传输的服务器。
但是还是有点无从下手, 毕竟是流服务器。
> 希望各路大神能够给点建议吧
> 谢谢
>
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让闹钟飞 | 30 Jul 20:42 2014

回复:[CPyUG] python-cn <at> googlegroups.com 的简略摘要 - “5个主题”有 18个更新

退订

 


------------------ 原始邮件 ------------------
发件人: "python-cn";<python-cn-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>;
发送时间: 2014年7月23日(星期三) 晚上10:10
收件人: "简略摘要收件人"<python-cn-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>;
主题: [CPyUG] python-cn-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org 的简略摘要 - “5个主题”有 18个更新

网上论坛: http://groups.google.com/group/python-cn/topics

    Frank_Xu <franky.xhl <at> gmail.com> Jul 22 10:23PM +0800  

    已经捐赠


    在 2014年7月22日 下午9:41,Shell Xu <shell909090-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>写道:

    ...更多内容

    返回页首

    fowse <kangxiali-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 12:02AM -0700  

    这个要大力支持。

    在 2014年7月21日星期一UTC+8上午9时48分45秒,Fengxiang Zhu写道:
    ...更多内容

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    李海珍 <banxi1988-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 04:15PM +0800  

    已捐赠。之前提出疑问是,因为我说了。我是刚加入的新人,列表里的人不认识几个(怪我平常懒惰),所以。但如果当时是大妈发的这个邮件的话我 ...更多内容

    返回页首

    Shell Xu <shell909090-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 04:38PM +0800  

    lighting talk?


    在 2014年7月23日 下午4:26,Zoom.Quiet <zoom.quiet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>写道:


    -- ...更多内容

    返回页首

    "Zoom.Quiet" <zoom.quiet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 05:11PM +0800  

    > lighting talk?

    Bingo ! 売总 知我.
    - 其实这一环节,在 PyCon2011China 就有,也非常热闹
    - 只是,没有形成规约,持续折腾起来 ...更多内容

    返回页首

    vicalloy <zbirder <at> gmail.com> Jul 23 08:11AM +0800  

    sm情况下会有这个需求。如果确实需要类似的需求,不可以把一个大模板分成几个小模板分别渲染?
    ...更多内容

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    Tian <askfor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 09:09AM +0800  

    并行渲染可能模板引擎都没去弄。
    但是你的程序里可以用concurrent.futures 去并行去取值,缩短取值的这段时间。基本可以满足你后面的那个要求。 ...更多内容

    返回页首

    est <electronixtar <at> gmail.com> Jul 23 04:16PM +0800  

    我的需求很明确呢, <at> igrigorik 大神说,http返回第一个包来的越快越好。那么模板渲染越早返回越好啊。后面的慢慢渲染没问题。

    ...更多内容

    返回页首

    Leo Jay <python.leojay-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 04:29PM +0800  


    > 我的需求很明确呢, <at> igrigorik 大神说,http返回第一个包来的越快越好。那么模板渲染越早返回越好啊。后面的慢慢渲染没问题。
    ...更多内容

    返回页首

    est <electronixtar <at> gmail.com> Jul 23 04:40PM +0800  

    也不失为一个办法。。

    不过脑洞一开就想拿模板开刀。呵呵。


    ...更多内容

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    Catstyle Lee <catstyle.lee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 10:32AM +0800  

    别说奢求在成都搞一个了,就连中西部片区也么有希望么...



    --
    BR,
    /Catstyle_Lee
    ...更多内容

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    "Zoom.Quiet" <zoom.quiet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 10:34AM +0800  

    兰州可以有 ,,,


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    Shell Xu <shell909090-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 10:36AM +0800  

    愿拉面神赐福你们


    在 2014年7月23日 上午10:34,Zoom.Quiet <zoom.quiet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>写道:


    -- ...更多内容

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    Chunlin Zhang <zhangchunlin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Jul 23 09:55AM +0800  

    原来这个还真的和调file命令行的输出木有区别啊...

    ...更多内容

    返回页首

    Masen <barokansan <at> gmail.com> Jul 23 09:25AM +0800  

    好的,谢谢,可以了,设置了default type

    发自我的 iPhone

    ...更多内容

    返回页首

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ZLJ | 30 Jul 09:34 2014
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Re: [CPyUG]为什么需要import lock

是指类似这样的代码吗?

# A.py import B if __name__ == '__main__': print 'in A' # B.py import threading def thrd_func(): import os print 'in B' thrd = threading.Thread(target=thrd_func) thrd.start() thrd.join() # remove this line will make the script run well.

试了下,执行python A.py会导致进程一直阻塞。之所以需要import锁,我觉得是因为import会改动一个全局变量sys.modules.为了避免这种情况发生,最好的方法是避免inline import.
另外,这里有一个关于import锁的lightnig talk: http://www.youtube.com/watch?v=fKqKQzMh8NA

在 2014年7月30日 下午2:52,Huang Diandian <ifidot-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>写道:

最近连续两次遇到了这样一个问题:

在import模块的时候,那个模块执行了一些副作用的代码,比如实例化,在这个实例化过程中,开了新线程,在新线程中又import了某个模块,结果造成了死锁,因为python里面的import的锁模式是,等待所/获取锁/释放锁,在一个import没有完的时候,这个锁就不会释放,这个时候又有新线程执行了import就永远不会获取到这个锁了

为什么需要这样一把import锁呢,锁的存在肯定是为了保证线程安全,必然存在临界区和临界资源,那这里想保护的临界资源又是什么呢?

希望各位牛牛们不吝赐教。

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严超 | 30 Jul 03:21 2014
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Re: [CPyUG] [内推] HP招聘云计算(HP Helion,OpenStack)软件工程师

受不了 发一个就可以了 还连发三个

Best Regards!
Chao Yan
--------------
My twitter:Andy Yan <at> yanchao727
My Weibo:http://weibo.com/herewearenow
--------------


在 2014年7月30日 上午9:19,Zoom.Quiet <zoom.quiet <at> gmail.com>写道:
亲,你上来就发广告,而且不用 [OT] 前缀,
你说俺 BAN 不 BAN 您呢?

有三个人回复受不了你,俺就 BAN 了哪,,,


2014-07-30 9:12 GMT+08:00 zou ying <xpzouying <at> gmail.com>:


HP Helion介绍:

HP Helion基于OpenStack构建,将为服务提供商提供独一无二的商业和运营模式。它将吸引包含独立软件供应商、开发商、系统集成商和增值经销商在内的强大生态系统的合作伙伴,共同加速创新并提供基于开放标准的混合云服务。


2014年,惠普宣布以Helion作为其云端品牌,惠普表示,Helion品牌将涵括惠普既有及新的云端产品及服务。同时惠普也宣布未来二年将投资超过10亿美元在云端产品、专业服务的开发上。


岗位:云计算(HP Helion)软件工程师

工作地点:朝阳区东四环中路58号远洋国际中心 或 国贸HP大厦

职位要求:

1. 熟悉OpenStack云计算,并有志于长期从事云计算相关工作。

2. 熟练使用Linux

3. 精通Java, C, C++, Python、Ruby或Shell其中至少2种语言,有较多实际项目经验。(加分项:精通Python,熟悉PEP8,有良好的代码风格,TestCase)

4. 强烈的责任心,良好的团队合作能力

5. 要求较好的英语阅读能力和学习能力

6. 1-2年相关工作经验


加分项:

熟悉Chef或Puppet。


请将简历发至下面邮箱:

qing.hao <at> hp.com


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zou ying | 30 Jul 03:12 2014
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[CPyUG] [内推] HP招聘云计算(HP Helion,OpenStack)软件工程师


HP Helion介绍:

HP Helion基于OpenStack构建,将为服务提供商提供独一无二的商业和运营模式。它将吸引包含独立软件供应商、开发商、系统集成商和增值经销商在内的强大生态系统的合作伙伴,共同加速创新并提供基于开放标准的混合云服务。


2014年,惠普宣布以Helion作为其云端品牌,惠普表示,Helion品牌将涵括惠普既有及新的云端产品及服务。同时惠普也宣布未来二年将投资超过10亿美元在云端产品、专业服务的开发上。


岗位:云计算(HP Helion)软件工程师

工作地点:朝阳区东四环中路58号远洋国际中心 或 国贸HP大厦

职位要求:

1. 熟悉OpenStack云计算,并有志于长期从事云计算相关工作。

2. 熟练使用Linux

3. 精通Java, C, C++, Python、Ruby或Shell其中至少2种语言,有较多实际项目经验。(加分项:精通Python,熟悉PEP8,有良好的代码风格,TestCase)

4. 强烈的责任心,良好的团队合作能力

5. 要求较好的英语阅读能力和学习能力

6. 1-2年相关工作经验


加分项:

熟悉Chef或Puppet。


请将简历发至下面邮箱:

qing.hao <at> hp.com


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zou ying | 30 Jul 03:05 2014
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[CPyUG] [内推][惠普云计算]HP Cloud OpenStack Senior Control Services Specialist

HP Cloud

OpenStack Senior Control Services Specialist


 

THE ROLE

 

Based on OpenStack technology, HP Cloud OS is the world’s premiere OpenStack based cloud technology platform for private, public, and hybrid cloud delivery. HP Cloud is one of the fastest growing divisions within HP, building and delivering a portfolio of innovative OpenStack cloud solutions.

We are looking for OpenStack Senior Control Services Specialist to deliver & support private & hybrid cloud solutions for our enterprise customers.

You will have in-depth development experience on a Linux platform with Python, Ruby, Perl, Web development, or similar software engineering technologies, and use these to integrate OpenStack identity management, monitoring, metering services to external systems.

You will have an in-depth level of expertise in more than one of the following Cloud technologies or concepts;

Orchestration, automation, workload analysis and migration, UI customization, third party product integration.

You will be an active and regular contributor to the OpenStack community.

 

KEY RESPONSIBILITIES

 

As an OpenStack Senior Control Services Specialist your role will be to help our customer’s design & implement their private & hybrid cloud solutions. Your responsibilities will include:

     Work with our architectural & engineering teams and the OpenStack community to deliver innovative solutions that meet our customer’s needs.

     Be able to individually implement smaller tactical projects or Proof of Concepts (POC)

     On large scale projects be able to manage and lead a team of implementation and support resources while maintaining the overall program view with the project leadership team.

     Be an active contributor to the OpenStack community.

     Maintain required certifications and continued involvement in specialized technical communities and act as a mentor to junior specialists.

 

REQUIRED SKILLS & EXPERIENCE

 

     Design and implementation experience across OpenStack releases.

     Development experience on a Linux platform with Python. Additionally you should have experience with Ruby, Perl, and Web development.

     OpenStack experience must include integration with 3rd party identity management services, for example Active Directory and LDAP. Experience of Ceilometer. Additionally, you will have experience of integrating OpenStack monitoring and metering services to external products or services, such as Cloud Cruiser, to produce billing solutions.

     You need a minimum of 2 years’ experience integrating products or services to identity management, monitoring and metering services.

     Additionally, experience in one or more of the following would be an advantage; orchestration, automation, workload analysis and migration, UI customization, third party product integration.

     5 to 7 years’ experience in enterprise integration / software engineering

     You must have cloud experience, this is a minimum of 2 years. This should include private, public or hybrid cloud experience.

     Experience in the some of the following areas would be an advantage; multi-tenancy, multi-site HA/DR, compute, storage, networking, identity management, performance analysis and modelling, & federated systems.

     Active contribution to the OpenStack community.

     Experience in the following products and technologies would be an advantage

ü  Amazon, Azure, and alternate cloud products and technologies.

ü  Migration from cloud technologies to OpenStack.

     Bachelors or Master’s degree or equivalent.


Send CV to qing.hao-VXdhtT5mjnY@public.gmane.org

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zou ying | 30 Jul 03:03 2014
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[CPyUG] [内推]【惠普云计算】HP Cloud OpenStack Senior Compute Specialist

HP Cloud

OpenStack Senior Compute Specialist

 

THE ROLE

 

Based on OpenStack technology, HP Cloud OS is the world’s premiere OpenStack based cloud technology platform for private, public, and hybrid cloud delivery. HP Cloud is one of the fastest growing divisions within HP, building and delivering a portfolio of innovative OpenStack cloud solutions.

We are looking for experienced OpenStack Senior Compute Specialists to deliver & support private & hybrid cloud solutions for our enterprise customers.

You will have an in-depth level of expertise in OpenStack Compute and preferably experience in one or more of the following OpenStack technologies;

Storage, network experience, security, UI customization, integration, orchestration, automation, monitoring and reporting.

You will be an active and regular contributor to the OpenStack community.

 

KEY RESPONSIBILITIES

 

As an OpenStack Senior Compute Specialist your role will be to work with both the OpenStack Cloud Architect and Cloud Consulting Architect to design & implement cloud solutions for our enterprise customers focusing where appropriate on the Compute components.

Your responsibilities will include:

     Work with our architectural & engineering teams and the OpenStack community to design and deliver innovative solutions that meet our customer’s needs.

     Be able to individually implement smaller tactical projects or Proof of Concepts (POC)

     On large scale projects provide leadership in your specialized area.

     Able to work in a supporting function after the handover of solutions to customers.

     Be an active contributor to the OpenStack community.

     Maintain required certifications and continued involvement in specialized technical communities and act as a mentor to junior specialists.

 


REQUIRED SKILLS & EXPERIENCE

 

     Design and implementation experience across OpenStack releases.

     Must have experience in OpenStack Compute, for example integration with third party hypervisors, hypervisor performance tuning, capacity analysis / management, high availability, bare metal provisioning, etc.

     OpenStack experience in one or more of the following OpenStack specializations: compute, storage, networking, security, UI customization, integration, orchestration, automation, monitoring and reporting.

     Development experience on a Linux platform with Python. Additionally you should have experience with Ruby, Perl, and Web development.

     5 to 7 years’ experience in Enterprise/Infrastructure related projects.

     2 years’ experience with virtualization products or technologies.

     Must have virtualization experience with KVM and VMware, additionally you should have experience in alternative technologies, for example; Xen , HyperV, LXC, QEMU.

     You must have a minimum of 2 years cloud experience. This should include private, public or hybrid cloud experience.

     Experience in the some of the following areas would be an advantage; multi-tenancy, multi-site HA/DR, billing, orchestration and automation, workload migration, identity management, performance analysis and modelling, & federated systems.

     Active contribution to the OpenStack community.

     Experience in the following products and technologies would be an advantage

ü  Amazon, Azure, and alternate cloud products and technologies.

ü  Migration from cloud technologies to OpenStack.

     Bachelors or Master’s degree or equivalent


Send CV to qing.hao-VXdhtT5mjnY@public.gmane.org

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Thomas Huang | 29 Jul 15:18 2014
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[CPyUG] Re: 寻找一个跨机器的进程管理或者监控工具

自己动手丰衣足食呀:

给每个machine安装一个agent, 

协议简单如下:

MACHINE Controll Proto

  • AUTH USER PASSWORD ---> ENTER the pc contrller

    OK|FAILED(close the connect)

  • LIST process-name-regex --> ps -ef|awk '/process-name-regex/ &&!/awk/'

Response:

1233 12 222


  • KILL PID

  • CTL name-prcocess status [reload start stop]---> #可以用列表限制守护进程操作范围

  • QUIT --> LEAVE AUTH SESSION and quit


On Tuesday, July 29, 2014 7:03:38 PM UTC+8, OCamel wrote:
如题:基本需求就是可以查询状态,可以发命令(reload start stop )。 <at> 赖勇浩

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Zoom.Quiet | 29 Jul 14:33 2014
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Re: [CPyUG] 寻找一个跨机器的进程管理或者监控工具

On Tue, Jul 29, 2014 at 8:26 PM, limodou <limodou <at> gmail.com> wrote:
> puppet? saltstack?
>

没这么简单,这几个只是部署工具,不是进程管理工具.
俺目测赖总是想要 Erlang 那种可以真正的跨机器/网段/机房 的进程感知+控制
在 Python 世界很少有 all in one 的方案,
感觉:

应用自省+Circus+Ansible

组合起来,才能初步达到可用效能...

>
> 2014-07-29 19:03 GMT+08:00 OCamel <camel.flying <at> gmail.com>:
>
>> 如题:基本需求就是可以查询状态,可以发命令(reload start stop )。 <at> 赖勇浩


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