pydm | python wrapper for linux device mapper command
kandi X-RAY | pydm Summary
kandi X-RAY | pydm Summary
python wrapper for linux device mapper command
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Top functions reviewed by kandi - BETA
- Insert a new disk into the table
- Compute start of each disk
- Reload the table
- Execute a command
- Execute command
- Removes the origin
- Removes the table from the database
- Create the origin table
- Set origin
- Create a linear table from a list of disks
- Create the table
- Removes a disk
- Set error mode
- Create a disk from an error
- Creates a new snapshot
- Append a new disk to the table
- Removes the snapshot from the database
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pydm Examples and Code Snippets
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Trending Discussions on pydm
QUESTION
I am creating a custom widget that inherits from QLabel
, and I would like to have a property on my widget to represent how the data must be formatted when presenting to the user.
For that I am trying to use Q_ENUMS
, but I'm not having much success. I can get the property to show in Designer, but the UI file saved shows the enum as PyDMLabel::STRING
and not as I would expect DisplayFormat::STRING
.
Here is my code for the widget:
...ANSWER
Answered 2017-Oct-24 at 20:54In order for Qt (Designer) to see an enum, PyQt has to add it to the meta-object of the custom class. So it could never be referred to by Qt as DisplayFormat::STRING
.
In Qt, enums declared in the class scope expose their constants as members of the class. So for example, the QComboBox class defines an InsertPolicy enum, and the constants can be referred to like this: QComboBox::InsertAtTop
. So in that respect, the behaviour of PyQt Q_ENUMS
in Qt Designer plugins is exactly as expected, since the ui file shows PyDMLabel::STRING
.
However, getting fully equivalent behaviour in Python code requires some extra work. The nearest I could come up with is this:
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No vulnerabilities reported
Install pydm
You can use pydm like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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