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  • Enable PyGTK Eventbox motion-notify-event while is a Layout child

    - by mkotechno
    I noticed when a Eventbox is added into a Layout some events are missed, this does not happend for example adding it to a Fixed (very similar widget), I tried to restore the event mask in this way with no sucess: import pygtk import gtk def foo(widget, event): print event pygtk.require('2.0') window = gtk.Window(gtk.WINDOW_TOPLEVEL) window.connect('destroy', lambda x: gtk.main_quit()) eventbox = gtk.EventBox() eventbox.connect('button-press-event', foo) # works eventbox.connect('motion-notify-event', foo) # fail eventbox.set_events( gtk.gdk.BUTTON_MOTION_MASK| # restoring missed masks gtk.gdk.BUTTON1_MOTION_MASK| gtk.gdk.BUTTON2_MOTION_MASK| gtk.gdk.BUTTON3_MOTION_MASK) layout = gtk.Layout() image = gtk.image_new_from_file('/home/me/picture.jpg') layout.add(image) eventbox.add(layout) window.add(eventbox) window.show_all() gtk.main() How should I restore the missed event/mask?

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  • Check if Django model field choices exists

    - by Justin Lucas
    I'm attempting to check if a value exists in the choices tuple set for a model field. For example lets say I have a Model like this: class Vote(models.Model): VOTE_TYPE = ( (1, "Up"), (-1, "Down"), ) value = models.SmallIntegerField(max_length=1, choices=VOTE_TYPES) Now lets say in a view I have a variable new_value = 'Up' that I would like to use as the value field in a new Vote. How can I first check to see if the value of that variable exists in the VOTE_TYPE tuple? Thank you.

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  • Dynamic Spacer in ReportLab

    - by ptikobj
    I'm automatically generating a PDF-file with Platypus that has dynamic content. This means that it might happen that the length of the text content (which is directly at the bottom of the pdf-file) may vary. However, it might happen that a page break is done in cases where the content is too long. This is because i use a "static" spacer: s = Spacer(width=0, height=23.5*cm) as i always want to have only one page, I somehow need to dynamically set the height of the Spacer, so that it takes the "rest" of the space that is on the page as its height. Now, how do i get the "rest" of height that is left on my page?

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  • Disable autocomplete on textfield in Django?

    - by tau-neutrino
    Does anyone know how you can turn off autocompletion on a textfield in Django? For example, a form that I generate from my model has an input field for a credit card number. It is bad practice to leave autocompletion on. When making the form by hand, I'd add a autocomplete="off" statement, but how do you do it in Django and still retain the form validation?

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  • Scraping paginated items from a website using scrapy

    - by Mridang Agarwalla
    I'm using scrapy to scrape items from a site. I'm not being able to implement this scraping pattern. The site I'm trying to scrape is a forum and I scrape the site once a day. Each page has a table containing posts. New posts are added to the top of the table and as more and more posts are posted to the site, the older posts go further into the pages due to pagination. This is a very simple scenario and we will assume that the order of the posts never change. I would like to scrape this site and scrape all the "new" records until the last scraped post from yesterday is encountered. I have configured my spider to paginate endlessly and when it encounters yesterday's last scraped post, it should stop. How can implement this? (My Scrapy installation works with my Django installation using django-dynamic-scraper )

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  • How to add packages into .exe file using py2exe?

    - by aF
    Hello, I have an app with two packages.. My setup.py is like this: sys.argv.append('py2exe') setup( options = {'py2exe': {'bundle_files': 1}}, windows = [{'script': "SoundLog.py"}], zipfile = None, ) After creating the .exe I have to put the packages in the same folder as the .exe file. How can I include them in the .exe? Thanks in advance!

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  • Would this hack for per-object permissions in django work?

    - by Edward
    According to the documentation, a class can have the meta option permissions, described as such: Options.permissions Extra permissions to enter into the permissions table when creating this object. Add, delete and change permissions are automatically created for each object that has admin set. This example specifies an extra permission, can_deliver_pizzas: permissions = (("can_deliver_pizzas", "Can deliver pizzas"),) This is a list or tuple of 2-tuples in the format (permission_code, human_readable_permission_name). Would it be possible to define permissions at run time by: permissions = (("can_access_%s" % self.pk, / "Has access to object %s of type %s" % (self.pk,self.__name__)),) ?

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  • module "random" not found when building .exe from IronPython 2.6 script

    - by Graham
    I am using SharpDevelop to build an executable from my IronPython script. The only hitch is that my script has the line import random which works fine when I run the script through ipy.exe, but when I attempt to build and run an exe from the script in SharpDevelop, I always get the message: IronPython.Runtime.Exceptions.ImportException: No module named random Why isn't SharpDevelop 'seeing' random? How can I make it see it?

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  • Getting an entry before and after a given entry in a Django Queryset

    - by Vernon
    I am creating a simple blog as part of a website and I am getting stuck on something that I am assuming is simple. If I call any blog post, say by it's title, from a queryset, how can I get the entry before and after the post in it's published order. I can iterate over the whole thing, get the position of the entry I have and use that to call the one before and the one after. But that is a long bit of code for something that I am sure I can do more simply. What I want would be something like this: next_post = Posts.object.filter(title=current_title).order_by("-published")[-1] Of course because of the filter, it is not going to work, but just to give you the idea of what I am looking for.

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  • Finding the intersection of two vector equations.

    - by Matthew Mitchell
    I've been trying to solve this and I found an equation that gives the possibility of zero division errors. Not the best thing: v1 = (a,b) v2 = (c,d) d1 = (e,f) d2 = (h,i) l1: v1 + ?d1 l2: v2 + µd2 Equation to find vector intersection of l1 and l2 programatically by re-arranging for lambda. (a,b) + ?(e,f) = (c,d) + µ(h,i) a + ?e = c + µh b +?f = d + µi µh = a + ?e - c µi = b +?f - d µ = (a + ?e - c)/h µ = (b +?f - d)/i (a + ?e - c)/h = (b +?f - d)/i a/h + ?e/h - c/h = b/i +?f/i - d/i ?e/h - ?f/i = (b/i - d/i) - (a/h - c/h) ?(e/h - f/i) = (b - d)/i - (a - c)/h ? = ((b - d)/i - (a - c)/h)/(e/h - f/i) Intersection vector = (a + ?e,b + ?f) Not sure if it would even work in some cases. I haven't tested it. I need to know how to do this for values as in that example a-i. Thank you.

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  • Django Forms Help needed

    - by user320993
    Hi All, Im new to django and trying to make a user registration form with few validations. Apart from this I also want a username suggestion code which will tell the user if the username he is trying to register is available or already in use. Then it should give few suggestions that might be available to choose from. Can anyone who might have worked on the same or somewhat same project help me with this. Thanks

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  • simply way to add another webapp framework to my project.

    - by zjm1126
    one webapp project has many url and i have to change this: ('/addTopic', AddTopic), ('/delTopic', DeleteTopic), ('/addPost', AddPost), ('/delPost', DeletePost), to this: ('/tribes/addTopic', AddTopic), ('/tribes/delTopic', DeleteTopic), ('/tribes/addPost', AddPost), ('/tribes/delPost', DeletePost), but ,if i add this to my project ,i have to change the url in every py file or html file , in django it can be this : urlpatterns = patterns('', (r'^articles/2003/$', 'news.views.special_case_2003')), ) it is easy to add the url of 'news' to my peoject, but does webapp has this ? thanks updated: (1) my main page url is : ('/', MainPage), ('/sign', Guestbook), (2) the url of a webapp project that i want to add is : ('/', MainPage), ('/logout', LogoutPage), ('/login_response', LoginHandler), and i want to change (1) to this: ('/', MainPage), ('/sign', Guestbook), ('/aa/', p2.MainPage), ('/aa/logout', p2.LogoutPage), ('/aa/login_response', p2.LoginHandler), so i have to change so many url like / to /aa/ , or change /logout to /aa/logout in py file and html file , that is a hard work so any simple way to do this ?

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  • inheritance from str or int

    - by wiso
    Why I have problem creating a class the inherite from str (or also int) class C(str): def __init__(self, a, b): str.__init__(self,a) self.b = b C("a", "B") TypeError: str() takes at most 1 argument (2 given) tha same appened if I try to use int instead of str, but it works with custom classes. I need to use __new__ instead of __init__? why?

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  • How to preprocess a Django model field value before return?

    - by Satoru.Logic
    Hi, all. I have a Note model class like this: class Note(models.Model): author = models.ForeignKey(User, related_name='notes') content = NoteContentField(max_length=256) NoteContentField is a custom sub-class of CharField that override the to_python method in purpose of doing some twitter-text-conversion processing. class NoteContentField(models.CharField): __metaclass__ = models.SubfieldBase def to_python(self, value): value = super(NoteContentField, self).to_python(value) from ..utils import linkify return mark_safe(linkify(value)) However, this doesn't work. When I save a Note object like this: note = Note(author=request.use, content=form.cleaned_data['content']) The conversed value is saved into the database, which is not what I wanna see. Would you please tell me what's wrong with this? Thanks in advance.

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  • Shaders with pygtkglext

    - by qba
    Do someone know how to get glsl shaders work in gtk-opengl window? With glut all glCreateProgram etc. functions works, but when I tried to put the same gl code into pygtkglext window, its complaining about NullReference: OpenGL.error.NullFunctionError: Attempt to call an undefined function glCreateProgram, check for bool(glCreateProgram) before calling So then I from OpenGL.GL.ARB.shader_objects import *, but the result is similar: OpenGL.error.NullFunctionError: Attempt to call an undefined function glCreateProgramObjectARB, check for bool(glCreateProgramObjectARB) before calling Any idea will be useful.

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  • How can I write this query in Django? (datetime)

    - by alex
    | time_before | datetime | YES | MUL | NULL | | | time_after | datetime | YES | MUL | NULL | | the_tag = Tag.objects.get(id=tag_id) Log.objects.filter(blah).extra(where=['last_updated >'+the_tag.time_before, 'last_updated' < the_tag.time_after]) Ok. Basically, I have an object that's called "the_tag". I want to select from Log where log.last_updated (which is a datetime field) is between the tag's time. But, I don't know how to write the last part of this Django query.

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  • Selective emboldeing of text in a webpage

    - by Eknath Iyer
    while printing out utf-8 characters onto a webpage, if encapsulate them with they get emboldened, but anything else, the page turns blank. Why? def main(): print "Content-type: text/html\r\n\r\n"; print '<html>' print '<head>' print '<style type="text/css">' print '.highlight { background-color: yellow }' print '.color1 { color: green; }' print '.color2 { color: blue; }' print '.color3 { color: purple; }' print '.color4 { color: red; }' print '.color5 { color: teal; }' print '.color6 { color: yellow; }' print '.color7 { color: orange; }' print '.color8 { color: violet; }' print '</style></head>' print '<body>' form = cgi.FieldStorage() ch = form.getvalue('choice') if ch == 'English': in_sent = form.getvalue('f1') in_sent = in_sent.lower() cho=0 elif ch == 'Hindi': in_sent = trans_he(form.getvalue('transl1').decode("utf-8")).strip() cho=1 #cho = 0 for english #cho = 1 for hindi adict=[] print '<center><u> User Input Sentence ==> <b>', in_sent,'</b></u></center><br>' in_sent=in_sent.strip().split(' ') colordict={} counter=1 for word in in_sent: colordict[word]=counter counter = counter + 1 f = open('bidirectional.alignment.txt','rb').read() records=f.strip().split('\n\n\n') for record in records: el=[] el2 = [] #basic file processing is done here. record = record.strip().split('\n') source = record[cho] target = record[(cho+1)%2] source_sent = source.split(' # ')[1] target_sent = target.split(' # ')[1] source_words = source_sent.strip().split(' ') target_words = target_sent.strip().split(' ') trans_index = source.split(' # ')[2].strip().split(' ') for word in in_sent: if word in source_words: if int(trans_index[source_words.index(word)]) > 0: tword=target_words[(int(trans_index[source_words.index(word)])-1)] target_sent = target_sent.replace(tword+' ','<b>'+tword+' </b>') # When the <b> tag is used here(for the 'target_sent = ...' statement). it is fine. But when <b> is replaced by something like in the next line or even <i> or <u>, it doesn't show an output at all source_sent = source_sent.replace(word+' ','<span class="color1">'+word+' </span>') el2.append(source_sent) el2.append(target_sent) el.append(target_sent.count('<b>')) el.append(el2) if target_sent.count('<b>') > 0: adict.append(el) print '<table><tr><td><center><h1>SOURCE LANGUAGE</h1></center></td><td><center> <h1>TARGET LANGUAGE</h1></center></td></tr>' for entry in adict: print '<tr><td>',entry[1][0],'</td><td>',trans_eh(entry[1][1]).encode("utf-8"),'</td> </tr>' print '</table></body>' print '</html>' main()

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  • how to detect an escape sequence in a string

    - by mix
    Given a string named line whose raw version has this value: \rRAWSTRING how can I detect if it has the escape character \r? What I've tried is: if repr(line).startswith('\r'): blah... but it doesn't catch it. I also tried find, such as: if repr(line).find('\r') != -1: blah doesn't work either. What am I missing? thx! EDIT: thanks for all the replies and the corrections re terminolgy and sorry for the confusion. OK, if i do this print repr(line) then what it prints is: '\rSET ENABLE ACK\n' (including the single quotes). i have tried all the suggestions, including: line.startswith(r'\r') line.startswith('\\r') each of which returns False. also tried: line.find(r'\r') line.find('\\r') each of which returns -1

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  • How to replace a Widget with another using Qt ?

    - by Natim
    Hi, I have an QHBoxLayout with a QTreeWidget on the left, a separator on the middle and a widget on the right. When I click on the QTreeWidget, I want to change the widget on the right to modify the QTreeWidgetItem I tried to do this with this code : def new_rendez_vous(self): self.ui.horizontalLayout_4.removeWidget(self.ui.editionFormWidget) del self.ui.editionFormWidget self.ui.editionFormWidget = RendezVousManagerDialog(self.parent) self.ui.editionFormWidget.show() self.ui.horizontalLayout_4.addWidget(self.ui.editionFormWidget) self.connect(self.ui.editionFormWidget, QtCore.SIGNAL('saved'), self.scheduleTreeWidget.updateData) def edit(self, category, rendez_vous): self.ui.horizontalLayout_4.removeWidget(self.ui.editionFormWidget) del self.ui.editionFormWidget self.ui.editionFormWidget = RendezVousManagerDialog(self.parent, category, rendez_vous) self.ui.editionFormWidget.show() self.ui.horizontalLayout_4.addWidget(self.ui.editionFormWidget) self.connect(self.ui.editionFormWidget, QtCore.SIGNAL('saved'), self.scheduleTreeWidget.updateData) def edit_category(self, category): self.ui.horizontalLayout_4.removeWidget(self.ui.editionFormWidget) del self.ui.editionFormWidget self.ui.editionFormWidget = CategoryManagerDialog(self.parent, category) self.ui.editionFormWidget.show() self.ui.horizontalLayout_4.addWidget(self.ui.editionFormWidget) self.connect(self.ui.editionFormWidget, QtCore.SIGNAL('saved'), self.scheduleTreeWidget.updateData) But it doesn't work and all the widgets are stacked up on each other : . Do you know how I can remove the old widget and next display the new one ?

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  • Storing a list of objects in GAE

    - by Dominic Bou-Samra
    I need to store some data that looks a little like this: xyz 123 abc 456 hij 678 rer 838 Now I would just store it as a traditional string and integer model, and put in the datastore. But the data changes regularly, and is ONLY relevant when looked at as a COLLECTION. So it needs to be store as either a list of lists, or a list of objects, both of which can't really be done without pickling as far as I know. Can anyone help? Even storing it as a text file may work :S

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  • Iterating over key and value of defaultdict dictionaries

    - by gf
    The following works as expected: d = [(1,2), (3,4)] for k,v in d: print "%s - %s" % (str(k), str(v)) But this fails: d = collections.defaultdict(int) d[1] = 2 d[3] = 4 for k,v in d: print "%s - %s" % (str(k), str(v)) With: Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: 'int' object is not iterable Why? How can i fix it?

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