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Thread: Porting tests from R to Python (almost there)
Post: Porting tests from R to Python (almost there)
I'm porting some R scripts to Python. More specifically, Levene, Shapiro-Wilk, ANOVA, Kruskal-Wallis, Tukey HSD and Wilcoxon Rank Sum Test.
Most is done with scipy module, so it's all good. However, ... |
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Alfalfa |
Data Science |
1 |
1,120 |
Mar-13-2023, 06:35 PM |
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Thread: win32com: How to pass a reference object into a COM server class
Post: RE: win32com: How to pass a reference object into ...
From the documentation, it really seems that DispatchWithEvents() is the way to go in order to relays the events to a regular Python class. However, as shown in the error above it fails on this line (... |
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Alfalfa |
General Coding Help |
3 |
4,802 |
Jul-26-2021, 06:25 PM |
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Thread: win32com: How to pass a reference object into a COM server class
Post: RE: win32com: How to pass a reference object into ...
"Parent" declared in _public_attrs_
Error:Traceback (most recent call last):
File "Z:\.antidote_\AntidoteCOM.py", line 53, in _connect
self.server.parent = self # This
File "C:\Users\user\App... |
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Alfalfa |
General Coding Help |
3 |
4,802 |
Jul-25-2021, 11:01 PM |
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Thread: win32com: How to pass a reference object into a COM server class
Post: win32com: How to pass a reference object into a CO...
I'm trying to implement a cross-platform python interface for a third-party API (Antidote), so that it can communicate with a PyQt application.
Firstly, for Linux here's the working D-Bus interface; ... |
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Alfalfa |
General Coding Help |
3 |
4,802 |
Jul-25-2021, 08:11 PM |
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Thread: Help for COM server implementation ("Unspecified error" on Dispatch())
Post: RE: Help for COM server implementation ("Unspecifi...
Thanks, looking back it seems obvious but I missed it for some reason. Now I have to find a way to pass the parent argument, as the COM object refuse the pointer. |
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Alfalfa |
General Coding Help |
2 |
3,385 |
Jul-25-2021, 01:36 AM |
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Thread: Help for COM server implementation ("Unspecified error" on Dispatch())
Post: Help for COM server implementation ("Unspecified e...
I'm trying to implement a COM server that will expose some methods, in order to link a third-party API with a PyQt application. The application is a grammar tool called Antidote. The server was regist... |
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Alfalfa |
General Coding Help |
2 |
3,385 |
Jul-23-2021, 11:52 PM |
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Thread: Need help with class composition / multiple inheritance / polymorphism (?)
Post: RE: Subclasses and multiple dynamic inheritance / ...
Found this so far;
#!/usr/bin/python3
from PyQt5 import QtWidgets
class Container(QtWidgets.QWidget):
def __init__(self):
super().__init__()
self.plainText = PlainText()
... |
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Alfalfa |
GUI |
4 |
3,014 |
May-09-2021, 01:01 AM |
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Thread: Need help with class composition / multiple inheritance / polymorphism (?)
Post: RE: Subclasses and multiple dynamic inheritance / ...
(May-08-2021, 09:05 PM)Axel_Erfurt Wrote: Why QWidget with Layout, why not QMainWindow?
class Text(QtWidgets.QMainWindow):
def __init__(self):
super(Text, self).__init__()
self.... |
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Alfalfa |
GUI |
4 |
3,014 |
May-08-2021, 09:55 PM |
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Thread: Need help with class composition / multiple inheritance / polymorphism (?)
Post: Need help with class composition / multiple inheri...
Trying to share a class (BodySuperClass), which can be either a QTextEdit or a QPlainTextEdit and contains Qt functions such as focusInEvent;
#!/usr/bin/python3
from PyQt5 import QtWidgets
class Te... |
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Alfalfa |
GUI |
4 |
3,014 |
May-08-2021, 04:00 PM |
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Thread: Recursively convert nested dicts to dict subclass
Post: Recursively convert nested dicts to dict subclass
Context: Elegant solution needed to monitor and save database changes during runtime. To minimze IO, the solution should be based on signals rather than polling and comparing against file content.
So... |
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Alfalfa |
General Coding Help |
1 |
2,840 |
Jan-22-2021, 04:34 AM |
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Thread: Qt app won't crash after sys.excepthook override
Post: RE: Qt app won't crash after sys.excepthook overri...
(Dec-27-2020, 09:18 PM)deanhystad Wrote: I expect that Qt has an exception handler that catches the exception raised in the keypressEvent(). No such exception handler is ready to catch the exceptio... |
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Alfalfa |
GUI |
3 |
2,615 |
Dec-28-2020, 01:16 AM |
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Thread: Qt app won't crash after sys.excepthook override
Post: Qt app won't crash after sys.excepthook override
As detailed in the docs, all exceptions can be caught by monkey patching sys.excepthook, while __excepthook__ contains the original value. However, when used in some Qt events, altough the error is ca... |
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Alfalfa |
GUI |
3 |
2,615 |
Dec-27-2020, 08:16 PM |
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Thread: Newbie trying to pass text from different thread
Post: RE: Newbie trying to pass text from different thre...
Not sure to understand what you are doing exactly, but here is a threading example in PyQt5.
#!/usr/bin/python3
import time
from PyQt5 import QtWidgets, QtCore
class WorkerThread(QtCore.QObject):
... |
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Alfalfa |
GUI |
1 |
2,571 |
Dec-18-2020, 01:12 AM |
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Thread: CSS Styling for a QLabel inside a QListWidget
Post: RE: CSS Styling for a QLabel inside a QListWidget
For anyone interested, you can either
1. Set an id selector;
obj.setObjectName("example")then in CSS;
Quote:QLabel#example { color: red; }
2. Assign a CSS class to a QObject;
obj.setProperty("class"... |
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Alfalfa |
GUI |
2 |
5,053 |
Nov-30-2020, 02:59 AM |
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Thread: CSS Styling for a QLabel inside a QListWidget
Post: RE: CSS Styling for a QLabel inside a QListWidget
The solution was to set the text in the QLabel widget instead of the QListWidgetItem, then to add 'QLabel after the ::item subcontrol of the CSS selector;
#!/usr/bin/python3
from PyQt5 import QtWidg... |
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Alfalfa |
GUI |
2 |
5,053 |
Nov-29-2020, 03:34 AM |
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Thread: CSS Styling for a QLabel inside a QListWidget
Post: CSS Styling for a QLabel inside a QListWidget
Long story short, I use a QListWidget as a checklist. I would like to set a custom style for some items which are not checkable and rather act as text headers. I found this solution on Stack Overflow ... |
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Alfalfa |
GUI |
2 |
5,053 |
Nov-28-2020, 11:55 PM |
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Thread: File system representation in a data structure
Post: RE: File system representation in a data structure
I could get it to work by first copying the folder structure, then inserting each files in the proper nest. The result is a dict, which is then converted into a QMenu/QAction structure with a resursiv... |
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Alfalfa |
General Coding Help |
1 |
2,030 |
Dec-18-2019, 01:56 AM |
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Thread: File system representation in a data structure
Post: File system representation in a data structure
I have a problem related to a Qt app, but I figured it would be ok to post it in this section as is it not Qt specific. Still, I left the code in it's real context for the sake of the explanation. I n... |
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Alfalfa |
General Coding Help |
1 |
2,030 |
Dec-17-2019, 01:51 AM |
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Thread: How to subclass charts in openpyxl
Post: RE: How to subclass charts in openpyxl
After looking at the source code in openpyxl/chart/scatter_chart.py, I solved it by declaring __elements__ before __init__():
class Chart(openpyxl.chart.ScatterChart):
__elements__ = ('scatterSty... |
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Alfalfa |
Data Science |
2 |
2,544 |
Sep-24-2019, 12:17 AM |
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Thread: How to subclass charts in openpyxl
Post: RE: How to subclass charts in openpyxl
After generating two spreadsheets, one good and one bad, the content of both has been extracted. The only file that differ is "/xl/charts/chart1.xml".
Below is the content of both files:
chart1.xml (... |
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Alfalfa |
Data Science |
2 |
2,544 |
Sep-23-2019, 07:12 PM |