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  • Python proxy an application

    - by sharvey
    Does anyone know of a library that enables you to run an application inside some kind of sandbox, with virtual mouse and keyboard support. The use case would be to create some kind of visual test runner, that would replay all actions taken during recording and play them back. So far I found autopy, but the fact that it controls the real mouse position is problematic, because it prevents user interaction with other tools (debugger or anything) while running. Cross platform would be nice, but either windows or os x is fine. Python would be ideal but anything that you could create python bindings for would be ok too.

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  • Python: win32console import problem

    - by David
    I want to run wexpect (the windows port of pexpect) on my Windows 7 64-bit machine. I am getting the following error: C:\Program Files (x86)\wexpect\build\libwexpect.py Traceback (most recent call last): File "C:\Program Files (x86)\wexpect\build\lib\wexpect.py", line 97, in raise ImportError(str(e) + "This package was intended for Windows like operating systems.") ImportError: No module named win32console This package requires the win32 python packages.This package was intended for Windows like operatin g systems. In the code it is failing on the following line: from win32console import * I am using Python 2.6.4. I cannot figure out how to install win32console.

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  • Why the good append syntax is so ugly, asks python newbie

    - by Cawas
    Now following my series of "python newbie questions" and based on another question. Go to http://python.net/~goodger/projects/pycon/2007/idiomatic/handout.html#other-languages-have-variables and scroll down to "Default Parameter Values". There you can find the following: def bad_append(new_item, a_list=[]): a_list.append(new_item) return a_list def good_append(new_item, a_list=None): if a_list is None: a_list = [] a_list.append(new_item) return a_list So, question here is: why is the "good" syntax over a known issue ugly like that in a programming language that promotes "elegant syntax" and "easy-to-use"? Why not just something in the definition itself, that the "argument" name is attached to a "localized" mutable object like: def better_append(new_item, a_list=[].local): a_list.append(new_item) return a_list I'm sure there would be a better way to do this syntax, but I'm also almost positive there's a good reason to why it hasn't been done. So, anyone happens to know why?

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  • My python auto-login script is broken.

    - by user310392
    A long time ago, I wrote a little python script to automatically log me on to the wireless network at my office. Here is the code: #!/opt/local/bin/python from urllib2 import urlopen from ClientForm import ParseResponse try: if "Logged on as" in urlopen("https://MYWIRELESS.com/logon").read(): print "Already logged on." else: forms = ParseResponse(urlopen("https://MYWIRELESS.com/logon"), backwards_compat=False) form = forms[0] form["username"], form["password"] = "ME", "MYPASSWD" urlopen(form.click()) print "Logged on. (probably :-)"; except IOError, e: print "Couldn't connect to wireless login page:\n", e I changed computers recently, and it stopped working. Now, I get the error: File "login.txt", line 4, in <module> from ClientForm import ParseResponse ImportError: No module named ClientForm which makes it look like I don't have some package (ClientForm) installed, so I installed it (sudo port install py-clientform), but I still get the same error. Does anyone have an idea what I'm doing wrong?

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  • running an outside program (executable) in python?

    - by Mesut
    Hello all, I just started working on python and I have been trying to run an outside executable form python. I have an executable for a program written in Fortran. Lets say the name for the executable is flow.exe. And my executable is lacated in C:\Documents and Settings\flow_model I tried both os.system and popen commands but so far couldnt make it work. The following code seems like opens the command window but wouldnt execute the model. # Import system modules import sys, string, os, arcgisscripting os.system("C:/Documents and Settings/flow_model/flow.exe") Any suggestions out there? Any help would be greatly appreciated.

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  • Python Framework for small website

    - by mvid
    I am planning a small, simple website to showcase myself as an engineer. My preferred language is Python and I hope to use it to create my website. My pages will be mostly static, with some database stored posts/links. The site will be simple, but I would like to have freedom in how it operates. I plan on using CSS/JS for the design, so I really just need an easy way to throw a small amount of content around. Some frameworks I have come across: Flask cherry.py Pinax Are there any suggestions? Does anyone have any experience with Python on small/hobby websites?

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  • Python equivalent of Java's compareTo()

    - by astay13
    I'm doing a project in Python (3.2) for which I need to compare user defined objects. I'm used to OOP in Java, where one would define a compareTo() method in the class that specifies the natural ordering of that class, as in the example below: public class Foo { int a, b; public Foo(int aa, int bb) { a = aa; b = bb; } public int compareTo(Foo that) { // return a negative number if this < that // return 0 if this == that // return a positive number if this > that if (this.a == that.a) return this.b - that.b; else return this.a - that.a; } } I'm fairly new to classes/objects in Python, so I'd like to know what is the "pythonic" way to define the natural ordering of a class?

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  • Pass elements of a list as arguments to a function in python

    - by Wilduck
    I'm building a simple interpreter in python and I'm having trouble handling differing numbers of arguments to my functions. My current method is to get a list of the commands/arguments as follows. args = str(raw_input('>> ')).split() com = args.pop(0) Then to execute com, I check to see if it is in my dictionary of command- code mappings and if it is I call the function I have stored there. For a command with no arguments, this would look like: commands[com]() However, if a command had multiple arguments, I would want this: commands[com](args[0],args[1]) Is there some trick where I could pass some (or all) of the elements of my arg list to the function that I'm trying to call? Or is there a better way of implementing this without having to use python's cmd class?

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  • hierarchical clustering with gene expression matrix in python

    - by user248237
    how can I do a hierarchical clustering (in this case for gene expression data) in Python in a way that shows the matrix of gene expression values along with the dendrogram? What I mean is like the example here: http://www.mathworks.cn/access/helpdesk/help/toolbox/bioinfo/ug/a1060813239b1.html shown after bullet point 6 (Figure 1), where the dendrogram is plotted to the left of the gene expression matrix, where the rows have been reordered to reflect the clustering. How can I do this in Python using numpy/scipy or other tools? Also, is it computationally practical to do this with a matrix of about 11,000 genes, using euclidean distance as a metric? thanks.

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  • exceptions with python unicode encode/decode functions (why doesn't errors=ignore actually ignore th

    - by gatoatigrado
    Does anyone know why the string conversion functions throw exceptions when errors="ignore" is passed? How can I convert from regular Python string objects to unicode without errors being thrown? Thanks very much! python -c "import codecs; codecs.open('tmp', 'wb', encoding='utf8', errors='ignore').write('?????')" returns Traceback (most recent call last): File "", line 1, in File "/usr/lib/python2.6/codecs.py", line 686, in write return self.writer.write(data) File "/usr/lib/python2.6/codecs.py", line 351, in write data, consumed = self.encode(object, self.errors) UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)

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  • Python hooks navigation logger windows

    - by user363054
    Hi, I´m trying to do a path logger (Navigation logger) in Python, the thing that I need is that the program can get the paths that de user is accesing in real time, for example: C:\Documents and Settings\ C:\Documents and Settings\Administrator\ C:\Documents and Settings\Administrator\Desktop\ C:\Documents and Settings\Administrator\Desktop\archivos\ C:\Documents and Settings\Administrator\Desktop\Freescale ZeD 1.1.0.lnk C:\Documents and Settings\Administrator\Desktop\Freescale BeeKit.lnk C:\Documents and Settings\All Users\Desktop\PowerISO.lnk Someone knows how I can do this? I read and used the library pyhook, because I think that I need hooks, specially the WH_GETMESSAGE but pyhook doesn't use it and doesn't give the path only things like the Message, the time, the name of the window, etc. Note: I´m using Windows XP 32bits and python 2.6 Thanks in advance!

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  • python: iif or (x ? a : b)

    - by Albert
    If Python would support the (x ? a : b) syntax from C/C++, I would write: print paid ? ("paid: " + str(paid) + " €") : "not paid" I really don't want to have an if-check and two independent prints here (because that is only an example above, in my code, it looks much more complicated and would really be stupid to have almost the same code twice). However, Python does not support this operator or any similar operator (afaik). What is the easiest/cleanest/most common way to do this? I have searched a bit and seen someone defining an iif(cond,iftrue,iffalse) function, inspired from Visual Basic. I wondered if I really have to add that code and if/why there is no such basic function in the standard library.

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  • Python: Retrieve Image from MSSQL

    - by KoRkOnY
    Dear All, I'm working on a Python project that retrieves an image from MSSQL. My code is able to retrieve the images successfully but with a fixed size of 63KB. if the image is greater than that size, it just brings the first 63KB from the image! The following is my code: #!/usr/bin/python import _mssql mssql=_mssql.connect('<ServerIP>','<UserID>','<Password>') mssql.select_db('<Database>') x=1 while x==1: query="select TOP 1 * from table;" if mssql.query(query): rows=mssql.fetch_array() rowNumbers = rows[0][1] #print "Number of rows fetched: " + str(rowNumbers) for row in rows: for i in range(rowNumbers): FILE=open('/home/images/' + str(row[2][i][1]) + '-' + str(row[2][i][2]).strip() + ' (' + str(row[2][i][0]) + ').jpg','wb') FILE.write(row[2][i][4]) FILE.close() print 'Successfully downloaded image: ' + str(row[2][i][0]) + '\t' + str(row[2][i][2]).strip() + '\t' + str(row[2][i][1]) else: print mssql.errmsg() print mssql.stdmsg() mssql.close()

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  • Mac OS X pygame input goes to Terminal instead of Python

    - by Parappa
    I'm having trouble running a pygame based app on Mac OS X via Terminal. Input events such as keystrokes go to the Terminal instead of my Python app, and are detected by pygame. For example, I have the following test script: import pygame pygame.init() screen = pygame.display.set_mode((640, 480)) done = False while not done: pygame.event.pump() keys = pygame.key.get_pressed() if keys[pygame.K_ESCAPE]: done = True if keys[pygame.K_SPACE]: print "got here" Neither K_ESCAPE nor K_SPACE will be handled by this script when I run it from a Mac OS X Terminal, but Terminal will echo back the spaces. I'm running the MacPorts port of pygame (py-game), which depends on Python 2.4, and I've also used python_select to make python24 the active version.

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  • Calling Python from Java through scripting engine (jython)?

    - by griffin
    I'm trying to call Jython from a Java 6 application using javax.script: import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; import javax.script.ScriptException; public class jythonEx { public static void main (String args[]) throws ScriptException { ScriptEngineManager mgr = new ScriptEngineManager(); ScriptEngine pyEngine = mgr.getEngineByName("python"); try { pyEngine.eval("print \"Python - Hello, world!\""); } catch (Exception ex) { ex.printStackTrace(); } } } This is causing a NullPointerException: java.lang.NullPointerException at jythonEx.main(jythonEx.java:12) Does anyone have any idea what I'm doing wrong here? Edit: Thanks for the responses! I added jython.jar to the classpath and it runs properly: java -cp "./;jython.jar" jythonEx

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  • Boost python module building

    - by Ockonal
    Hello, I'm using boost.python and I need in building some module for it. I have an some_module.cpp file in project. How can I build it correctly to the shared library for using it with python in future? When I learned it, I had only 1 file and I built it with command: gcc -shared -Wl,-soname,hello.so -o hello.so test.cpp -I /usr/include/python2.6/ -lboost_python And I don't know how to configure it in whole project. I'm using Eclipse and Code::Blocks IDEs.

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  • GAE datastore eager loading in python api

    - by tomus
    I have two models in relation one-to-many: class Question(db.Model): questionText = db.StringProperty(multiline=False) class Answer(db.Model): answerText = db.StringProperty(multiline=False) question = db.ReferenceProperty(Question, collection_name='answers') I have front-end implemented in Flex and use pyamf to load data. When i try to load all answers with related questions all works as desired and I can access field answer.question however in case of loading questions (e.g. by Questions.all() ), 'question.answers' remains empty/null (though on server/python side I can revise question.answers without problem - probably after lazy-loading). So is it possible to load all questions along with answers ? (I know this is possible in JPA Java api but what about python ?) Shoud I use additional setting, GQL query or django framework to make it work ?

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  • python,running command line servers - they're not listening properly

    - by deepblue
    hello all Im attempting to start a server app (in erlang, opens ports and listens for http requests) via the command line using pexpect (or even directly using subprocess.Popen()). the app starts fine, logs (via pexpect) to the screen fine, I can interact with it as well via command line... the issue is that the servers wont listen for incoming requests. The app listens when I start it up manually, by typing commands in the command line. using subprocess/pexpect stops the app from listening somehow... when I start it manually "netstat -tlp" displays the app as listening, when I start it via python (subprocess/pexpect) netstat does not register the app... I have a feeling it has something to do with the environemnt, the way python forks things, etc. Any ideas? thank you

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  • Python os.path.join on Windows

    - by Jim
    I am trying to learn python and am making a program that will output a script. I want to use os.path.join, but am pretty confused. According to the docs if I say: os.path.join('c:', 'sourcedir') I get "C:sourcedir". According to the docs, this is normal, right? But when I use the copytree command, Python will output it the desired way, for example: import shutil src = os.path.join('c:', 'src') dst = os.path.join('c':', 'dst') shutil.copytree(src, dst) Here is the error code I get: WindowsError: [Error 3] The system cannot find the path specified: 'C:src/*.*' If I wrap the os.path.join with os.path.normpath I get the same error. If this os.path.join can't be used this way, then I am confused as to its purpose. According to the pages suggested by Stack Overflow, slashes should not be used in join—that is correct, I assume?

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