I'm trying to pipe input to a program opened as a subprocess in Python. Using communicate() does what I want, but it only does so once, then waits for the subprocess to terminate before allowing things to continue. Is there a method or module similar to communicate() in function, but allows multiple communications with the child proces...
How do i pre-populate the exclude fields in a ModelFormSet. AuthorFormSet below doesn't take an instance argument here, only queryset. So how do i force the empty forms coming in not to have a NULL/None user attribute. I want to be able to set that user field to request.user models.py class Author(models.Model): user = models.Forei...
If I have a client connected to a server, and it's chilling in the reactor main loop waiting for events, when I hit CTRL-C, I get a "Connection to the other side was lost in a non-clean fashion: Connection lost." How can I set it up so that I know when a KeyboardInterrupt happens, so that I can do proper clean-up and disconnect cleanly? ...
Like other questions asked here, im looking to do a simple conversion of time formats. I've found answers on how to do this in Perl, but not in Python. I have a string like so: on Jun 03, 02010 at 10:22PM and I'd like to convert it to a datetime object like this: Thu, 03 Jun 2010 22:22:00 -0000 I have sliced up my input like so: ...
I have my code and it does go run to infinity. What I want is that if on the unix command window if the user inputs a ctrl C, I want the program to finish the current loop it in and then come out of the loop. So I want it to break, but I want it to finish the current loop. Is using ctrl C ok? Should I look to a different input? ...
I am developing an internal app on the side for the company I work for, and am wanting to use Django in order to learn it and Python in general, however I've hit a bit of a snag with the PKs. I'm trying to emulate a part of the current application where 2 MySQL tables, TaskCategory and Tasks, handle the tasks that need doing. Every Task...
I'm developing a documentation testing framework -- basically unit tests for PDFs. Tests are (decorated) methods of instances of classes defined by the framework, and these are located and instantiated at runtime and the methods are invoked to execute the tests. My goal is to cut down on the amount of quirky Python syntax that the peopl...
I've got a Python web server (mod_python, if that makes any difference) that I want to start formatting some currency. I've got two pieces of information when I format the currency - the value (as a number) and the currency (as the three-letter ISO 4217 code). I can also retrieve the country (or even city) that the currency is being fo...
So if i run a = b / c and get the result 1.2234 How do i separate it so that I have a = 1 b = 0.2234 ...
I have a list of directories (their absolute path). Each directory contains a certain number of files. Of these files I want to get two of them from each directory. The two files I want have some string pattern in their name, for the sake of this example the strings will be 'stringA', 'stringB'. So what I need is a list of tuples. Each...
I was wondering how http proxy in comparison with socks5 proxy handles dns resolution, as far as I have understood the dns resolution is done by the proxy and not by the application. For this snippet I tested to see if there is any dns resolution made by viewing dns queries in Wireshark while running it. import urllib.request tor_prox...
Hi, I'm having troubles getting this to work. Basically I have a python program that expect some data in stdin, that is reading it as sys.stdin.readlines() I have tested this and it is working without problems with things like echo "" | myprogram.py I have a second program that using the subprocess module calls on the first program wit...
I am generating complex XML files through Python scripts that require a bunch of conditional statements (example http://repository.azgs.az.gov/uri_gin/azgs/dlio/536/iso19139.xml). I am working with multiple XML or ASCII metadata standards that often have poor schema or are quite vague. In PHP, I just wrote out the XML and inserted PHP ...
I know it is bad convention/design to conditionally declare a variable. i.e.: if some_boolean: x = 1 where x is not declared anywhere else. But is it bad to conditionally declare a variable if you only use it later on if that condition is met? if some_boolean and some_other_boolean: x+=1 ...
I'm having trouble verifying DSA signatures using Python/M2Crypto. The signatures are generated in Java, using standard java.security.Signature class, with Sun's crypto provider and SHA1withDSA algorithm designation. Here's some shell output: >>> pk <M2Crypto.DSA.DSA_pub instance at 0x20b6a28> >>> sig = '302c02141c4bbb218215ebfec572880...
hello there... is this possible to view contents and Functions of a DLL file... few times ago i was playing with OlyDBG then i found there is option for viewing contents of dll... so suggest me any good tool or soft for this... and suppose i have a DLL named "Python27.dll"... now i need to view the content of this DLL so what do i do...
Hi everyone, I want to save a web page. I use python urllib to parse the web page. But I find the saved file, where some content is missing. The missing part is block from the source web page, such as this part <div style="display: block;" id="GeneInts">...</div>. I don't know how to parse a whole page without something block in it. Co...
Currently my code looks like this. It allows me to parse multiple parameters my program script gets. Is there a different way that is closer to 'best practices'? I haven't seen code actually using the output of argparse, only how to set it up. def useArguments(): x = 0 while x <= 5: if x == 0: ...
Hello, I have this very simple python code to read xml for the wikipedia api: import urllib from xml.dom import minidom usock = urllib.urlopen("http://en.wikipedia.org/w/api.php?action=query&titles=Fractal&prop=links&pllimit=500") xmldoc=minidom.parse(usock) usock.close() print xmldoc.toxml() But this code returns with ...
The following code works (and it's very simple): class Scrape(QApplication): def __init__(self): super(Scrape, self).__init__(None) self.webView = QWebView() self.webView.loadFinished.connect(self.loadFinished) def load(self, url): self.webView.load(QUrl(url)) def loadFinished(self): documentElement = self.web...