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  • python sending incomplete data over socket

    - by tipu
    I have this socket server script, import SocketServer import shelve import zlib class MyTCPHandler(SocketServer.BaseRequestHandler): def handle(self): self.words = shelve.open('/home/tipu/Dropbox/dev/workspace/search/words.db', 'r'); self.tweets = shelve.open('/home/tipu/Dropbox/dev/workspace/search/tweets.db', 'r'); param = self.request.recv(1024).strip() try: result = str(self.words[param]) except KeyError: result = "set()" self.request.send(str(result)) if __name__ == "__main__": HOST, PORT = "localhost", 50007 SocketServer.TCPServer.allow_reuse_address = True server = SocketServer.TCPServer((HOST, PORT), MyTCPHandler) server.serve_forever() And this receiver, from django.http import HttpResponse from django.template import Context, loader import shelve import zlib import socket def index(req, param = ''): HOST = 'localhost' PORT = 50007 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((HOST, PORT)) s.send(param) data = zlib.decompress(s.recv(131072)) s.close() print 'Received', repr(data) t = loader.get_template('index.html') c = Context({ 'foo' : data }) return HttpResponse(t.render(c)) I am sending strings to the receiver that are in the hundreds of kilobytes. I end up only receiving a portion of it. Is there a way that I can fix that so that the whole string is sent?

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  • Python and urllib2: how to make a GET request with parameters

    - by Infinity
    I'm building an "API API", it basically a wrapper for a in house REST web service that the web app will be making a lot of requests to. Some of the web service calls need to be GET rather than post, but passing parameters. Is there a "best practice" way to encode a dictionary into a query string? e.g.: ?foo=bar&bla=blah I'm looking at the urllib2 docs, and it looks like it decides by itself wether to use POST or GET based on if you pass params or not, but maybe someone knows how to make it transform the params dictionary into a GET request. Maybe there's a package for something like this out there? It would be great if it supported keep-alive, as the web server will be constantly requesting things from the REST service. Thanks!

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  • Creating Thread's in python

    - by chrissygormley
    Hello, I have a script and I want one function to run at the same time as the other. Example code I have looked at: import threading def MyThread ( threading.thread ): doing something........ def MyThread2 ( threading.thread ): doing something........ MyThread().start() MyThread2().start() I am having trouble getting this working. I would prefer to get this going using a threaded function rather than a class. Thanks for any help.

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  • Python: Problem Importing Function From Another Module

    - by Rafid K. Abdullah
    I have a module called nbemail.py and in this module I want to use the function package_post defined in the module main.py. I am using this statement: from api.main import package_post But I am getting this error: ImportError: cannot import name package_post I really don't know why I am getting this error! I do have _init_.py files in the api directory (which contains the files nbemail.py and main.py) and I do have the function package_post defined in main.py. Any idea to help fixing this problem?

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  • Get class of caller's method (via inspect) in Python (alt: super() emulator)

    - by Slava Vishnyakov
    Is it possible to get reference to class B in this example? class A(object): pass class B(A): def test(self): test2() class C(B): pass import inspect def test2(): frame = inspect.currentframe().f_back cls = frame.[?something here?] # cls here should == B (class) c = C() c.test() Basically, C is child of B, B is child of A. Then we create c of type C. Then the call to c.test() actually calls B.test() (via inheritance), which calls to test2(). test2() can get the parent frame frame; code reference to method via frame.f_code; self via frame.f_locals['self']; but type(frame.f_locals['self']) is C (of course), but not B, where method is defined. Any way to get B?

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  • Need help with re for matching and getting the value python

    - by laspal
    Hi, Need help regarding re. file = 'file No.WR79050107006 from files' So what I am trying to do is validate if file string contains WR + 11 digit. result = re.match('^(\S| )*(?P<sr>(\d){11})(\S| )*', file) Its validate only 11 digit but not WR before it. How can I do that? Using re after matching how can I get the match value ( WR79050107006) I can do string find index = file.find('file No.') and then get the value of next 13 char. thanks

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  • Python: HTTP Post a large file with streaming

    - by Daniel Von Fange
    I'm uploading potentially large files to a web server. Currently I'm doing this: import urllib2 f = open('somelargefile.zip','rb') request = urllib2.Request(url,f.read()) request.add_header("Content-Type", "application/zip") response = urllib2.urlopen(request) However, this reads the entire file's contents into memory before posting it. How can I have it stream the file to the server?

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  • Python: Convert format string to regular expression

    - by miracle2k
    The users of my app can configure the layout of certain files via a format string. For example, the config value the user specifies might be: layout = '%(group)s/foo-%(locale)s/file.txt' I now need to find all such files that already exist. This seems easy enough using the glob module: glob_pattern = layout % {'group': '*', 'locale': '*'} glob.glob(glob_pattern) However, now comes the hard part: Given the list of glob results, I need to get all those filename-parts that matched a given placeholder, for example all the different "locale" values. I thought I would generate a regular expression for the format string that I could then match against the list of glob results (or then possibly skipping glob and doing all the matching myself). But I can't find a nice way to create the regex with both the proper group captures, and escaping the rest of the input. For example, this might give me a regex that matches the locales: regex = layout % {'group': '.*', 'locale': (.*)} But to be sure the regex is valid, I need to pass it through re.escape(), which then also escapes the regex syntax I have just inserted. Calling re.escape() first ruins the format string. I know there's fnmatch.translate(), which would even give me a regex - but not one that returns the proper groups. Is there a good way to do this, without a hack like replacing the placeholders with a regex-safe unique value etc.? Is there possibly some way (a third party library perhaps?) that allows dissecting a format string in a more flexible way, for example splitting the string at the placeholder locations?

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  • Load resources? - wxPython / Python

    - by Francisco Aleixo
    Hello everyone. I am using wxPython and Py2exe to create my application and my only problem is loading for example bitmaps. Ok so lets say I want to add an image to my application, and thats fairly easy using wxPython, and lets say it is on the same directory of my .py so for example: image = wx.StaticBitmap(self, -1, wx.Bitmap('image.bmp') Now, this works obviously fine, problem is when I convert to Py2exe, I would like to use the resources from the dlls that I included in the Py2Exe compilation. So basically what I want to do is to instead of including the images on the same folder as my application in order to work, I would like to use it from the resources so people won't see the images on the folder.

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  • python global variable not working in apache

    - by Suhail
    I am facing issue with the global variable, when i run in the django development server it works fine, but in apache it doesn't work here is the code below: red= "/foodfolio3/test/" def showAddRecipe(request): #global objc if "userid" in request.session: objc["ErrorMsgURL"]= "" try: urlList= request.POST URL= str(urlList['url']) URL= URL.strip('http://') URL= "http://" + URL recipe= __addRecipeUrl__(URL) if (recipe == 'FailToOpenURL') or (recipe == 'Invalid-website-URL'): #request.session["ErrorMsgURL"]= "Kindly check URL, Please enter a valid URL" objc["ErrorMsgURL"]= "Kindly check URL, Please enter a valid URL" print "here global_context =", objc arurl= HttpResponseRedirect("/foodfolio3/add/import/") arurl['ErrorMsgURL']= objc["ErrorMsgURL"] #return HttpResponseRedirect("/foodfolio3/add/import/") #return render_to_response('addRecipeUrl.html', objc, context_instance = RequestContext(request)) return (arurl) else: objc["recipe"] = recipe return render_to_response('addRecipe.html', objc, context_instance = RequestContext(request)) except: objc["recipe"] = "" return render_to_response('addRecipe.html', objc, context_instance = RequestContext(request)) else: global red red= "/foodfolio3/add/" return HttpResponseRedirect("/foodfolio3/login") def showAddRecipeUrl(request): if "userid" in request.session: return render_to_response('addRecipeUrl.html', objc, context_instance = RequestContext(request)) else: global red red= "/foodfolio3/add/import/" return HttpResponseRedirect("/foodfolio3/login") def showLogin(request): obj = {} obj["error_message"] = "" obj["registered"] = "" if request.method == "POST": if (red == "/foodfolio3/test"): next= '/foodfolio3/recipes' else: next= red try: username = request.POST['username'] password = request.POST['password'] user = authenticate(username=username, password=password) except: user = authenticate(request=request) if user is not None: if user.is_active: login(request, user) request.session["userid"] = user.id # Redirect to a success page. return HttpResponseRedirect(next) this code works fine in django development server, but in apache, the url is getting redirected to '/foodfolio3/recipes'

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  • super() in Python 2.x without args

    - by Slava Vishnyakov
    Trying to convert super(B, self).method() into a simple nice bubble() call. Did it, see below! Is it possible to get reference to class B in this example? class A(object): pass class B(A): def test(self): test2() class C(B): pass import inspect def test2(): frame = inspect.currentframe().f_back cls = frame.[?something here?] # cls here should == B (class) c = C() c.test() Basically, C is child of B, B is child of A. Then we create c of type C. Then the call to c.test() actually calls B.test() (via inheritance), which calls to test2(). test2() can get the parent frame frame; code reference to method via frame.f_code; self via frame.f_locals['self']; but type(frame.f_locals['self']) is C (of course), but not B, where method is defined. Any way to get B?

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  • Appengine (python) returns empty for valid queries

    - by Grant
    I've got an app with around half a million 'records', each of which only stores three fields. I'd like to look up records by a string field with a query, but I'm running into problems. If I visit the console page, manually view a record and save it (without making changes) it shows up in a query: SELECT * FROM wordEntry WHERE wordStr = 'SomeString' If I don't do this, I get 'no results'. Does appengine need time to update? If so, how much? (I was also having trouble batch deleting and modifying data, but I was able to break the problem up into smaller chunks.)

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  • python / sets / dictionary / initialization

    - by Mario D
    Can someone explain help me understand how the this bit of code works? Particularly how the myHeap assignment works. I know the freq variable is assigned as a dictionary. But what about my myHeap? is it a Set? exe_Data = { 'e' : 0.124167, 't' : 0.0969225, 'a' : 0.0820011, 'i' : 0.0768052, } freq = exe_Data) myHeap = [[pct, [symbol, ""]] for symbol, pct in freq.items()]

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  • Python: For loop problem

    - by James
    I have a PSP page with html embedded. I need to place another for loop so i can insert another %s next to background-color: which will instert a appropriate colour to colour in the html table. For example i need to insert for z in colours so it can loop over the colours list and insert the correct colour. Where ever i try to insert the for loop it doesnt seem to work it most commonly colours each cell in the table 60 times then moves onto the next cell and repeats itself and crashes my web browser. The colours are held in a table called colours. code below: <table> <% s = ''.join(aa[i] for i in table if i in aa) for i in range(0, len(s), 60): req.write('<tr><td><TT>%04d</td>' % (i+1)); for k in s[i:i+60]: req.write('<TT><td><TT><font style="background-color:">%s<font></td>' % (k)); req.write('</TT></tr>') #end %> </table>

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  • searching a list of tuples in python

    - by hdx
    So I have a list of tuple like: [(1,"juca"),(22,"james"),(53,"xuxa"),(44,"delicia")] I want this list for a tuple whose number value is equal to something. So that if I do search(53) it will return 2 Is is an easy way to do that?

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  • Python urllib2 multiple try statement on urlopen()

    - by Kura
    So, simply I want to be able to run a for across a list of URLs, if one fails then I want to continue on to try the next. I've tried using the following but sadly it throws and exception if the first URL doesn't work. servers = ('http://www.google.com', 'http://www.stackoverflow.com') for server in servers: try: u = urllib2.urlopen(server) except urllib2.URLError: continue else: break else: raise Any ideas? Thanks in advance.

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  • what does "from MODULE import _" do in python?

    - by Paul
    Hi all, In the Getting things gnome code base I stumbled upon this import statement from GTG import _ and have no idea what it means, never seen this in the documentation and a quick so / google search didn't turn anything up. Thank you all in advance Paul

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  • Python:Comparing Two Dictionaries

    - by saun jean
    The first Dict is fixed.This Dict will remain as it is List of Countries with there Short Names. firstDict={'ERITREA': 'ER', 'LAOS': 'LA', 'PORTUGAL': 'PT', "D'IVOIRE": 'CI', 'MONTENEGRO': 'ME', 'NEW CALEDONIA': 'NC', 'SVALBARD AND JAN MAYEN': 'SJ', 'BAHAMAS': 'BS', 'TOGO': 'TG', 'CROATIA': 'HR', 'LUXEMBOURG': 'LU', 'GHANA': 'GH'} However This Tuple result has multiple Dict inside it.This is the format in which MySQLdb returns result: result =({'count': 1L, 'country': 'Eritrea'}, {'count': 1L, 'country': 'Togo'}, {'count': 1L, 'country': 'Sierra Leone'}, {'count': 3L, 'country': 'Bahamas'}, {'count': 1L, 'country': 'Ghana'}) Now i want to compare these both results With COUNTRY Names and If 'Country' in Result is present in firstDict then put the value.else put the 0 The result desired is: mainRes={'ER':1,'TG':1,'BS':3,'GH':0,'LU':0}

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  • Python and hebrew encoding/decoding error

    - by user340495
    Hey, I have sqlite database which I would like to insert values in Hebrew to I am keep getting the following error : UnicodeDecodeError: 'ascii' codec can't decode byte 0xd7 in position 0: ordinal not in range(128) my code is as following : runsql(u'INSERT into personal values(%(ID)d,%(name)s)' % {'ID':1,'name':fabricate_hebrew_name()}) def fabricate_hebrew_name(): hebrew_names = [u'????',u'???',u'???',u'???',u'????',u'???',u'????',u'???',u'????',u'?????',u'????',u'???',u'????'] return random.sample(names,1)[0].encode('utf-8') note: runsql executing the query on the sqlite database fabricate_hebrew_name() should return a string which could be used in my SQL query. any help is much appreciated.

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  • Python Eggs on Google App Engine

    - by ott
    Usually I would use virtualenv and pip for deployment of web applications. With Google App Engine this doesn't work, because all import statement are relative to directory of the application. The most common approach I saw was to simply copy the packages from site-packages to the directory of the application. This involves manual work and is error-prone. Another approach was to changes install_lib and install_scripts in ~/.pydisutils.cfg, but this doesn't allow me to use pip in my home directory simultaneously. Do you have any suggestions for this?

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