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In my Go language command line application, I need the ability to copy certain snippets of text to the system clipboard using Go. Basically something like PyperClip, but for Go.
I'm looking for a platform agnostic solution! Any help would be great :)
One project (just for Windows and Mac) seems approaching what you want: atotto/clipboard.
Provide copying and pasting to the Clipboard for Go.
func ReadAll() (string, error)
func WriteAll(text string) error
Linux support is in this clipboard_linux.go class: a simple wrapper to xsel --output/input --clipboard system command.
Another approach: try and take advantage of third-party libraries, like GLFW:
a free, Open Source, multi-platform library for opening a window, creating an OpenGL context and managing input
Its Go wrapper glfw3 does provide a clipboard.go file, with supposedly multi-platform methods.
func (w *Window) SetClipboardString(str string)
func (w *Window) GetClipboardString() (string, error)
But that would be in the context of GLFW windows, not any shell window of course.
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Blender has a powerful, fun-to-use, flexible node editor:
Is there a Python library that will allow me to easily create a visual developing environment like this? In Blender, the node editor works with shaders, images, colors and the like, and I'd like to define the types of nodes, sockets and preview widgets myself, as in building a "visual DSL".
Edit: I don't want to create custom nodes within Blender, but use a component LIKE the node editor in my own projects. I removed the Blender tag to avoid confusion.
You can find how to do that in the documentation:
http://wiki.blender.org/index.php/User:Phonybone/Python_Nodes
If you want to use the nodes to build objects and meshes procedurally with it then I recommend you to use and/or fork and and improve this project:
http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Nodes/Sverchok
(These guys are also using the API linked above)
If you have blender specific questions, like this, I also recommend you to ask it on this blender dedicated stack exchange site:
https://blender.stackexchange.com/
EDIT:
As far as I know, there isn't any pre-made node-editor widget or anything similar like that in any UI libraries. However it is quite easy to implement the basic rectangles , input and output ports and the bezier lines to connect them. After the first steps it is only a matter of preference how many hours you put into design and smaller details.
I implemented my own in Python with the builtin tkinter library:
And then later in Pyglet and after that to improve speed I implemented it in pure C with OpenGL wrapped with Cython for Python usage:
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I have a simple project in mind that would take a long list of triplets as input (coordinates describing a path in 3 dimensions), and generates an STL file as output. (STL is a file format that describes 3-D surface geometry for use in CAD and 3-D printing applications.)
I'm a scientist, not a developer, and I'm capable with Python, so I can handle parsing an input text file if needed. What I am looking for is a command line utility, library, or simple programming language that can automate a few simple CAD tasks (e.g. extrude a cross section along a path) to create a true 3-D surface for STL output.
Thanks.
Have you considered using Blender?
It has a Python API, and can also be used in headless mode (without a GUI) by using blender --python script.py.
It also has an STL import/export plugin (make sure to enable it in Preferences -> Addons if you decide to try it). I'd also suggest to look at its source code if you decide to roll your own.
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Is there some tool that can provide the flow of a python program at a functional level (eg. function A called function B with args1 which in turn called function C with args2). If not, what could be a possible starting point to create it? I thought cProfile might be of some help, but it doesn't give the proper stack trace iirc. Is there a better solution than using pdb and parsing the stack trace and providing the result in a better format?
A very interesting project to visualize the program flow is pythontutor!
There are a number of Python visual debuggers that'll do what you want:
pudb (console visual debugger, open-source)
WinPDB (free, open-source)
PyCharm (shareware, free trial, cross-platform, not open source but probably has the best interface of the three)
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I am building a python script to run nightly, part of which involves invoking a drupal bulk operation to export an XML file. Since the process takes a number of hours, and the next step is to automatically import it to another source, I would like to perform some level of integrity checking.
My first thought would be to simply make sure that the XML is not malformed. I don't particularly want to start inspecting the data, I just want to make sure it's not truncated.
What process might I use to perform this malformed check. Is there an applicable XML library built into Python? I would prefer to keep the script as portable as possible, so if possible a built-in solution would be the most preferable.
Thanks for any advice.
If you want use python, you can consider using element tree
Load your .xml and try to parse. Any Exception means XML is malformed.
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Does anyone know of a Python class similar to Java Robot?
Specifically I would like to perform a screen grab in Ubuntu, and eventually track mouse clicks and keyboard presses (although that's a slightly different question).
If you have GTK, then you can use the gtk.gdk.Display class to do most of the work. It controls the keyboard/mouse pointer grabs a set of gtk.gdk.Screen objects.
Check out GNU LDTP:
GNU/Linux Desktop Testing Project (GNU
LDTP) is aimed at producing high
quality test automation framework
[...]
Especially Writing LDTP test scripts in Python scripting language
As far as the screen grab, see this answer. That worked for me. Other answers to the same question might be of interest as well.
Check out the RobotFramework. I do not know if it will do the same things as JavaRobot, or if it will do more. But it is easy and very flexible to use.