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  • Run shell script using fabric and piping script text to shell's stdin

    - by Peter Lyons
    Is there a way to execute a multi-line shell script by piping it to the remote shell's standard input in fabric? Or must I always write it to the remote filesystem, then run it, then delete it? I like sending to stdin as it avoids the temporary file. If there's no fabric API (and it seems like there is not based on my research), presumably I can just use the ssh module directly. Basically I wish fabric.api.run was not limited to a 1-line command that gets passed to the shell as a command line argument, but instead would take a full multi-line script and write it to the remote shell's standard input.

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  • strange chi-square result using scikit_learn with feature matrix

    - by user963386
    I am using scikit learn to calculate the basic chi-square statistics(sklearn.feature_selection.chi2(X, y)): def chi_square(feat,target): """ """ from sklearn.feature_selection import chi2 ch,pval = chi2(feat,target) return ch,pval chisq,p = chi_square(feat_mat,target_sc) print(chisq) print("**********************") print(p) I have 1500 samples,45 features,4 classes. The input is a feature matrix with 1500x45 and a target array with 1500 components. The feature matrix is not sparse. When I run the program and I print the arrray "chisq" with 45 components, I can see that the component 13 has a negative value and p = 1. How is it possible? Or what does it mean or what is the big mistake that I am doing? I am attaching the printouts of chisq and p: [ 9.17099260e-01 3.77439701e+00 5.35004211e+01 2.17843312e+03 4.27047184e+04 2.23204883e+01 6.49985540e-01 2.02132664e-01 1.57324454e-03 2.16322638e-01 1.85592258e+00 5.70455805e+00 1.34911126e-02 -1.71834753e+01 1.05112366e+00 3.07383691e-01 5.55694752e-02 7.52801686e-01 9.74807972e-01 9.30619466e-02 4.52669897e-02 1.08348058e-01 9.88146259e-03 2.26292358e-01 5.08579194e-02 4.46232554e-02 1.22740419e-02 6.84545170e-02 6.71339545e-03 1.33252061e-02 1.69296016e-02 3.81318236e-02 4.74945604e-02 1.59313146e-01 9.73037448e-03 9.95771327e-03 6.93777954e-02 3.87738690e-02 1.53693158e-01 9.24603716e-04 1.22473138e-01 2.73347277e-01 1.69060817e-02 1.10868365e-02 8.62029628e+00] ********************** [ 8.21299526e-01 2.86878266e-01 1.43400668e-11 0.00000000e+00 0.00000000e+00 5.59436980e-05 8.84899894e-01 9.77244281e-01 9.99983411e-01 9.74912223e-01 6.02841813e-01 1.26903019e-01 9.99584918e-01 1.00000000e+00 7.88884155e-01 9.58633878e-01 9.96573548e-01 8.60719653e-01 8.07347364e-01 9.92656816e-01 9.97473024e-01 9.90817144e-01 9.99739526e-01 9.73237195e-01 9.96995722e-01 9.97526259e-01 9.99639669e-01 9.95333185e-01 9.99853998e-01 9.99592531e-01 9.99417113e-01 9.98042114e-01 9.97286030e-01 9.83873717e-01 9.99745466e-01 9.99736512e-01 9.95239765e-01 9.97992843e-01 9.84693908e-01 9.99992525e-01 9.89010468e-01 9.64960636e-01 9.99418323e-01 9.99690553e-01 3.47893682e-02]

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  • Porting Django's templates engine to C

    - by sandra
    Hi folks, I recently wrote a simple and tiny embedded HTTP server for my C++ app (QT) and I played a little bit with Ry's http-parser and loved it. This guy is crazy. So I told to myself: "Hey! Why not port the django template engine to C?" That'd be awesome! I know, it won't be an easy task (not at all, I know) but I'd really love to implement this. So I came here for inspiration, ideas, opinions... I'd really love to have some pointers on the subject, ideas, what is already done, which major problems I'll encounter (and how to solve them) - How not to reinvent the wheel... anyway, you got the idea :) Thanks a million times! P.S. Simple code snippets, and links to tools and libs are very welcome! P.P.S. I'm already aware of grantlee, I took a look into its sources. Well... that's C++ and its specific to Qt.

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  • How to get the original variable name of variable passed to a function

    - by Acorn
    Is it possible to get the original variable name of a variable passed to a function? E.g. foobar = "foo" def func(var): print var.origname So that: func(foobar) Returns: >>foobar EDIT: All I was trying to do was make a function like: def log(soup): f = open(varname+'.html', 'w') print >>f, soup.prettify() f.close() .. and have the function generate the filename from the name of the variable passed to it. I suppose if it's not possible I'll just have to pass the variable and the variable's name as a string each time.

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  • Can someone help me with m Django localization?

    - by alex
    I have a template with has text in it. It's located in /templates under my project directory. I'm trying to do Japanese now. I create a directory called "locale" in my project directory. Then, I set up this in my settings: gettext = lambda s: s LANGUAGES = ( ('de', gettext('German')), ('en', gettext('English')), ('ja', gettext('Japanese')), ) After that, I run this command: django-admin.py makemessages -l ja The only problem is, this doesn't work! In my locale/ja/LC_MESSAGES/django.po: Isn't it supposed to scan my templates with .html extension and grab all the strings? # SOME DESCRIPTIVE TITLE. # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER # This file is distributed under the same license as the PACKAGE package. # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR. # #, fuzzy msgid "" msgstr "" "Project-Id-Version: PACKAGE VERSION\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2010-05-20 22:45+0000\n" "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n" "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n" "Language-Team: LANGUAGE <[email protected]>\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #: settings.py:101 msgid "German" msgstr "" #: settings.py:102 msgid "English" msgstr "" #: settings.py:103 msgid "Japanese" msgstr ""

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  • How to model a social news feed on Google App Engine

    - by PEZ
    We want to implement a "News feed" where a user can see messages broadcasted by her friends, sorted with newest message first. But the feed should reflect changes in her friends list. (If she adds new friends, messages from those should be included in the feed, and if she removes friends their messages should not be included.) If we use the pubsub-test example and attach a recipient list to each message this means a lot of manipulation of the message recipients lists when users connect and disconnect friends. We first modeled publish-subscribe "fan out" using conventional RDBMS thinking. It seemed to work at first, but then, since the IN operator works the way it does, we quickly realized we couldn't continue on that path. We found Brett Slatkin's presentation from last years Google I/O and we have now watched it a few times but it isn't clear to us how to do it with "dynamic" recipient lists. What we need are some hints on how to "think" when modeling this.

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  • In Django : How to serialize dict object to json ?

    - by Rohit
    I have this very basic problem, >>> serializers.serialize("json", {'a':1}) Traceback (most recent call last): File "<console>", line 1, in <module> File "/usr/lib/pymodules/python2.6/django/core/serializers/__init__.py", line 87, in serialize s.serialize(queryset, **options) File "/usr/lib/pymodules/python2.6/django/core/serializers/base.py", line 40, in serialize for field in obj._meta.local_fields: AttributeError: 'str' object has no attribute '_meta' >>> How can this be done ? Thanks in advance !

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  • How can I set the line style of a specific cell in a QTableView?

    - by Bob Nelson
    I am working with a QT GUI. I am implementing a simple hex edit control using a QTableView. My initial idea is to use a table with seventeen columns. Each row of the table will have 16 hex bytes and then an ASCII representation of that data in the seventeenth column. Ideally, I would like to edit/set the style of the seventeenth column to have no lines on the top and bottom of each cell to give the text a free flowing appearance. What is the best way to approach this using the QTableView?

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  • Making File Dialog only accept directories

    - by matt
    I want to have a file dialog only allow directories, here's what I've been trying: fileDialog = QtGui.QFileDialog() fileDialog.setFileMode(QtGui.QFileDialog.ShowDirsOnly) filename = fileDialog.getOpenFileName(self, 'Select USB Drive Location')) Thank You

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  • Persisting hashlib state

    - by anthony
    I'd like to create a hashlib instance, update() it, then persist its state in some way. Later, I'd like to recreate the object using this state data, and continue to update() it. Finally, I'd like to get the hexdigest() o the total cumulative run of data. State persistence has to survive across multiple runs. Example: import hashlib m = hashlib.sha1() m.update('one') m.update('two') # somehow, persist the state of m here #later, possibly in another process # recreate m from the persisted state m.update('three') m.update('four') print m.hexdigest() # at this point, m.hexdigest() should be equal to hashlib.sha1().update('onetwothreefour').hextdigets()

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  • XML file as model for django project

    - by Ankur Chauhan
    Hi, I have a XML file that is managed by other programs, I am writing a web service such that users are able to query this file. In essence i am using a xml based database instead of using sql as the model database in Django. how do i do this? all the tutorials that i find use a sql database in the backend. is there a way to use the xml file as a database.

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  • adding a header to pyqt list

    - by Moayyad Yaghi
    hello i want to add a headers and index to a list in pyqt , it's really not important what list of QT (qlistwidget , qlistview , qtablewidget, qtreeview) in short .. i want something like the spin box delegate example in the pyqt demo ... but instead of the index in the column headers i want a strings ... hope the idea is clear enough thanx in advance

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  • how to import a 'zip' file to my .py ..

    - by zjm1126
    when i use http://github.com/joshthecoder/tweepy-examples , i find : import tweepy in the appengine\oauth_example\handlers.py but i can't find a tweepy file or tweepy's 'py' file, except a tweepy.zip file, i don't think this is right,cauz i never import a zip file, i find this in app.py: import sys sys.path.insert(0, 'tweepy.zip') why ? how to import a zip file.. thanks

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  • how create a sql database fom a stongly typed dataset

    - by Keith Vinson
    I'm looking for an easy way to transfer a database schema I have developed inside visual studio as a strongly typed dataset (xsd file) into a corresponding sql server database. Silly me I assumed the process would be forthright, but I can't find out how to do it. I assume I could duplicate the tables column by column, but that seems so error prone. Does anyone know of a way to perform the schema transfer like this? Maybe a tool to translate the xsd file into a corresponding sql server ddl file? Final thought once I have the schema transferred moving data around between the two data stores will be straight forward, its just getting the schemas synced that has me stumped... Thanks, Keith

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  • Geocoding non-addresses: Geopy

    - by Phil Donovan
    Using geopy to geocode alcohol outlets in NZ. The problem I have is that some places do not have street addresses but are places in Google Maps. For example, plugging: Furneaux Lodge, Endeavour Inlet, Queen Charlotte Sound, Marlborough 7250 into Google Maps via the browser GUI gives me However, using that in Geopy I get a GQueryError saying this geographic location does not exist. Here is the code for geocoding: def GeoCode(address): g=geocoders.Google(domain="maps.google.co.nz") geoloc = g.geocode(address, exactly_one=False) place, (lat, lng) = geoloc[0] GeoOut = [] GeoOut.extend([place, lat, lng]) return GeoOut GeoCode("Furneaux Lodge, Endeavour Inlet, Queen Charlotte Sound, Marlboroguh 7250") Meanwhile, I notice that "Eiffel Tower" works fine. Is there away to solve this and can someone explain the difference between The Eiffel Tower and Furneaux Lodge within Google 'locations'?

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  • I want to scrape a site using GAE and post the results into a Google Entity

    - by cozza
    I want to scrape this URL : https://www.xstreetsl.com/modules.php?searchSubmitImage_x=0&searchSubmitImage_y=0&SearchLocale=0&name=Marketplace&SearchKeyword=business&searchSubmitImage.x=0&searchSubmitImage.y=0&SearchLocale=0&SearchPriceMin=&SearchPriceMax=&SearchRatingMin=&SearchRatingMax=&sort=&dir=asc Go into each of the links and extract out various pieces of information e.g. permissions, prims etc then post the results into a Entity on google app engine. I want to know the best way to go about it? Chris

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  • Why would one build supervisord inside of a buildout?

    - by chiggsy
    I've seen buildout recipes that build supervisor into the buildout, I suppose to control the daemons inside. However, it seems to me that one would still need something in /etc/init.d ( for example ) to run said supervisor instance on boot. So, why build supervisor inside the buildout? Why not install it system wide and just make a config file for the daemons involved inside?

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  • How to debug and detect hang issue

    - by igor
    I am testing my application (Windows 7, WinForms, Infragistics controls, C#, .Net 3.5). I have two monitors and my application saves and restores forms' position on the first or second monitors. So I physically switched off second monitor and disabled it at Screen Resolution on the windows display settings form. I need to know it is possible for my application to restore windows positions (for those windows that were saved on the second monitor) to the first one. I switched off second monitor and press Detect to apply hardware changes. Then Windows switched OFF the first monitor for a few seconds to apply new settings. When the first monitor screen came back, my application became unresponsive. My application was launched in debug mode, so I tried to navigate via stack and threads (Visual Studio 2008), paused application, started and did not find any thing that help me to understand why my application is not responsive. Could somebody help my how to detect the source of issue.

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  • Django does not load internal .css files

    - by Rubén Jiménez
    I have created a Django project in local which runs without any kind of problem. But, after an annoying and difficult Cherokee + uWSGI installation on Amazon AWS, my project does not show Django .css internal files. http://f.cl.ly/items/2Q2W3I3R0X1n2X3v0q2P/django_error.jpg <-- /Admin/ looks like The image is a screen of my /admin/, which should have a different style, but .css files are not loaded. [pid: 23206|app: 0|req: 19/19] 83.49.10.217 () {56 vars in 1121 bytes} [Sun Apr 15 05:50:24 2012] GET /static/admin/css/base.css = generated 2896 bytes in 6 msecs (HTTP/1.1 404) 1 headers in 51 bytes (1 switches on core 0) [pid: 23206|app: 0|req: 20/20] 83.49.10.217 () {56 vars in 1125 bytes} [Sun Apr 15 05:50:24 2012] GET /static/admin/css/login.css = generated 2899 bytes in 5 msecs (HTTP/1.1 404) 1 headers in 51 bytes (1 switches on core 0) This is a log from Cherokee. I don't understand why it is looking for the .css files in that path. Cherokee should be searching the files in Django original directory so i didn't change .css files in my project. Any advice? Thanks a lot.

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  • How to generate C# documentation to a CHM or HTML file?

    - by BrunoLM
    Is there a way to generate a readable document file from the documentation on the code directly from Visual Studio? (also considering 2010) If there isn't, what should I use to create a CHM or HTML file? Code example: /// <summary> /// Convert a number to string /// </summary> /// <param name="number">An integer number to be converted to string</param> /// <returns>Number as string</returns> /// <example> /// <code> /// var s = MyMethod(5); /// </code> /// </example> /// <exception cref="Exception">In case it can't convert</exception> /// <remarks> /// Whatever /// </remarks> public string MyMethod(int number) { return number.ToString(); }

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  • Help converting code using httlib2 to use urllib2

    - by ThinkCode
    What am I trying to do? Visit a site, retrieve cookie, visit the next page by sending in the cookie info. It all works but httplib2 is giving me one too many problems with socks proxy on one site. http = httplib2.Http() main_url = 'http://mywebsite.com/get.aspx?id='+ id +'&rows=25' response, content = http.request(main_url, 'GET', headers=headers) main_cookie = response['set-cookie'] referer = 'http://google.com' headers = {'Content-type': 'application/x-www-form-urlencoded', 'Cookie': main_cookie, 'User-Agent' : USER_AGENT, 'Referer' : referer} How to do the same exact thing using urllib2 (cookie retrieving, passing to the next page on the same site)? Thank you.

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  • How to convert tag-and-username-like text into proper links in a twitter message?

    - by Satoru.Logic
    Hi, all. I'm writing a twitter-like note-taking web app. In a page the latest 20 notes of the user will be listed, and when the user scroll to the bottom of the browser window more items will be loaded and rendered. The initial 20 notes are part of the generated html of my django template, but the other dynamically loaded items are in json format. I want to know how do I do the tag-and-username converting consistently. Thanks in advance.

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  • Can PyAMF support service deployment by way of the filesystem?

    - by Chris R
    I'm evaluating PyAMF to replace our current PHP (ugh) AMF services framework, and I'm unable to find the one crucial piece of information that would allow me to provide a compelling use case for changing over: Right now, new PHP AMF services are deployed simply by putting the .php files in the filesystem; the next time they're accessed, the new service is in play. Removal of a service is as simple as deleting the .php file that provided it, and updating it is correspondingly simple. I need that same ease-of-deployment from PyAMF. If we have to rewrite our installers to deploy these services, it'll be a nonstarter. So, what I need to know is, can PyAMF support new service discovery by way of the filesystem, can it support service upgrading and removal by way of same, and if so, what is the best way to set it up to do this? I'm open to any of the various server options; I can easily have cherrypy, django, whatever installed and running on its own, and even -- with a bit more sturm nd drang -- have mod_python or mod_wsgi made available.

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  • Click Once doesn't create StartMenu entry and Shortcut on Windows 7 x64

    - by MadBoy
    I've application that I deploy to share with ClickOnce so other users can install it and use it on their own machines. It worked fine till i noticed that when i install this app on my own machine (Windows 7 x 64) it doesn't add StartMenu (even thou it installs correctly and I have it in Control Panel / Programs). I didn't had that problem when my development machine was Windows XP. Application also deploys fine on other Windows XP computers. Also during installation (when i rerun setup) even thou I already have Net Framework 3.5 it always wants to install one (it starts that and terminates few seconds later - probably installer sees that it's already there). I can run application straigit from share just a bit of pain to do it. Are there some special settings I should do? Or some patches? I have Visual Studio 2008 and system with all optional updates installed. Application is written in C# and uses NET 3.5.

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