🌐 Mailman 3 November 2015 - Tutor - python.org

Scripting Calligra sheets with Python
by Jim Byrnes Jan. 31, 2022

Jan. 31, 2022

I am trying to script Calligra Sheets (formerly KSpread) with python. I have gotten some of the included example scripts to run so I know python scripting is running. I found the following snippet on their website: import KSpread sheet = KSpread.view().sheet() # swap text of B5 and C6 t1 = sheet.text("B5") t2 = sheet.text(6,3) sheet.setText("B5", t2) sheet.setText(6, 3, t1) # swap value of D7 and E8 v1 = sheet.value("D7") v2 = sheet.value(8,5) sheet.setValue("D7", v2) sheet.setValue(8, 5, v1) Error: 'str' object has no attribute 'text' File "file:///usr/share/kde4/apps/sheets/scripts/extensions/myswap.py", line 4, in <module> This error message appeared in a dialog box. I've taught myself some Python but I don't understand what is happening here. Shouldn't t1 be a sheet object? What would cause it to be a str instead? Thanks, Jim

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Desktop Notifications on Linux
by Dharmit Shah June 29, 2017

June 29, 2017

Hi all, I am trying to create a script that will go through the /var/log/secure file on a Linux system and provide desktop notifications for failed login attempts. Here is the code - http://pastebin.com/MXP8Yd91 And here's notification.py - http://pastebin.com/BhsSTP6H I am facing issue in the function "new_attempts_from_last". I am not able to raise a desktop notification from this function. It always fails with this traceback - http://pastebin.com/cgHMScv3 I see this error only when I try to raise a notification from the aforementioned function. If I run test examples under /usr/share/doc/notify-python/examples, it works just fine. Also, if I try to raise a notification from under if __name__ == "__main__":, it works without any issues. So I don't think there's any issue with OS's notification daemon. Running from python shell like below also works fine: In [1]: import notification In [2]: notification.notification("Hey") What am I missing or doing wrong here? If it matters, I am running Fedora 20, python 2.7 and Cinnamon desktop environment. For readability purposes, I have provided pastebin links. Let me know if this is not the correct way. Regards, Dharmit.

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Option on How to create web Interface
by fabu desay March 9, 2016

March 9, 2016

If I got the problem correctly,you can equally create + open a file file = open(filename,+wr) The file should have the HTML extension You can now pace your web contents in the file.html you created that should work by trigering the python file you programed in and it inturn creates the website or pages of your choice an example like this could help webpage = open('index.html', 'w+') webpage.write("<html><head><title>My web page</title></head>"); webpage.write("<body>This the body</body></html>"); webpage.close()

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Missing Standard Libraries on Python 3.5 for Mac
by Andrew Machen Feb. 29, 2016

Feb. 29, 2016

Hi, I am new to Python, and I am trying to use a Python Standard Library, namely ‘unicodedata’, however it appears to be missing (others are also missing) from the built-in libraries that come with Python 3.5 for Mac. I have searched the following directory, but have not found the library: /Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5 I have tried reinstalling Python 3.5 and also tried Python 3.4.3, and neither install the ‘unicodedata’ library. Is there anyway to install it manually? The library is present in the Python 2.7 version provided by Apple, however I was hoping to learn and use Python 3. The library is present in the Linux version of Python 3.5 that I have tried. Your help is greatly appreciated. -Andrew

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Countdown Clock Programming Question
by Evan Sommer Dec. 15, 2015

Dec. 15, 2015

Hello there! I am working on a project for an engineering class that I am in at my high school, and our task has been to create a clock that counts down the time between periods, so that the students walking the hallways know how much time they have to get to class. The timer will be displayed on multiple monitors throughout the halls. However, the idea behind the countdown clock is for the background to change colours when it hits a certain time. The goal is for the clock to change from green to yellow at 2 minutes, and yellow to red at 1 minute. However, I have been having a hard time trying to get the color change to display in one window. If you could give me some advice, I'd really appreciate it! Here's the code: try: # Python2 import Tkinter as tk except ImportError: # Python3 import tkinter as tk import time def count_down(): # start with 4 minutes --> 240 seconds for t in range(240, 120, -1): # format as 2 digit integers, fills with zero to the left # divmod() gives minutes, seconds sf = "{:01d}:{:02d}".format(*divmod(t, 60)) #print(sf) # test time_str.set(sf) root.update() # delay one second time.sleep(1)# create root/main window root = tk.Tk() time_str = tk.StringVar() # create the time display label, give it a large font # label auto-adjusts to the font label_font = ('helvetica', 100) tk.Label(root, textvariable=time_str, font=label_font, bg='green', fg='white', relief='raised', bd=3).pack(fill='x', padx=5, pady=5) # start with 2 minutes --> 119 seconds for t in range(240, 120, -1): # format as 2 digit integers, fills with zero to the left # divmod() gives minutes, seconds sf = "{:01d}:{:02d}".format(*divmod(t, 60)) #print(sf) # test time_str.set(sf) root.update() # delay one second time.sleep(1) # create the time display label, give it a large font # label auto-adjusts to the font label_font = ('helvetica', 100) tk.Label(root, textvariable=time_str, font=label_font, bg='yellow', fg='white', relief='raised', bd=3).pack(fill='x', padx=5, pady=5) # start with 1 minutes --> 59 seconds for t in range(120,60, -1): # format as 2 digit integers, fills with zero to the left # divmod() gives minutes, seconds sf = "{:01d}:{:02d}".format(*divmod(t, 60)) #print(sf) # test time_str.set(sf) root.update() # delay one second time.sleep(1) # create the time display label, give it a large font # label auto-adjusts to the font label_font = ('helvetica', 100) tk.Label(root, textvariable=time_str, font=label_font, bg='red', fg='white', relief='raised', bd=3).pack(fill='x', padx=5, pady=5) # start with 4 minutes --> 240 seconds for t in range(60,-1, -1): # format as 2 digit integers, fills with zero to the left # divmod() gives minutes, seconds sf = "{:01d}:{:02d}".format(*divmod(t, 60)) #print(sf) # test time_str.set(sf) root.update() # delay one second time.sleep(1) # start the GUI event loop root.mainloop() Thanks for the help! Sincerely, Evan Sommer

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Python 3.5 console logging
by Tyler Smithers Dec. 4, 2015

Dec. 4, 2015

I am doing a project for my school and i am trying to find out how to make a event log. But every where i look all it has is just making a text document and it having in their what they put in their script. But i cant find out how to code python into recording everything that happens when i run the program. And can you please help me soon because i don't have much time. Thank you!

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how to invert tuples, one problem more
by marcus lütolf Nov. 30, 2015

Nov. 30, 2015

dear pythonistas, thanks for your very valuable help. I am struggling with a simple piece of code: >>> x = Marcus >>> print '{0} {1} x'.format('a', '=') which gives me >>> a = x instead of >>> a = Marcus What's wrong ? Marcus. --- Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft. https://www.avast.com/antivirus

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Read lines opening with a particular set of characters from a file
by Br. Sayan Nov. 29, 2015

Nov. 29, 2015

How can we read specific lines from a text files using python. File attached. Suppose we want to read lines starting with 'R|1|^^^' and 'O|1|' Should we use: line.startswith(("..", "..", "----"))

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Help with returning a list object from a C extension.
by James Oren Nov. 28, 2015

Nov. 28, 2015

Hi all, this is my first time using the mailing list. I'm trying to learn how to use C to extend my code, and have already worked out how to use ctypes. I'm now trying to learn the full C extension module approach with Python.h and have worked through the Python doc and a couple other examples. They all use examples where the C function expects a primitive, so now I'd like to learn how to use a Python list object. I guess that a C-based numpy array may be easier to write for, but just for now I'd like to stick to lists. So far I've worked out to use the parse tuple command with the "O" argument and I think thanks to an archived post on this mailing list I've worked out how to get the Python list data into a C array and pass it to the function to modify, now I just need to return a list object of the updated C array data. I'd like it to be that calling this function from Python has the same effect as modifying the list in-place, so I guess I need to either empty the original and repopulate it with the c array data, or build a new list object with the data and reassign it to the original list name .... Which seems like it'd be troublesome? Unfortunately I've hit a brick wall and can't find any examples :-( Any help would be greatly appreciated! Jim

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underscores
by Kayla Phelps Nov. 27, 2015

Nov. 27, 2015

Hi, When I go to type underscores in my program it doesn't work, they just turn into spaces. I can use references from other programs I downloaded just fine but I even tried copying and pasting underscores and they disappeared. Any ideas of what to do? Even my teacher doesn't know what's wrong. Thanks, Kayla

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