Convert SVG to PNG in Python

How do I convert an svg to png, in Python? I am storing the svg in an instance of StringIO. Should I use the pyCairo library? How do I write that code?

How to install PyCairo 1.10 on Mac OSX with default python

Has anyone installed pycairo 1.10 on the mac using the new waf build? Its failing on can't find python headers.

How to output transparent PNG with Pycairo?

Here's my code: import cairo import os from PIL import Image imagesize = (512,128) surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, *imagesize) cr =...

When a python module (cairo) is installed successfully but fails to import in python, what could be the issue?

When a python module is installed successfully but fails to import in python (via PyCharm IDE), what could be the issue? What checklist should I follow to diagnose the problem in this case and in...

Is there a way to change letter spacing in PyCairo? (Or change a text width without affecting the height)

I'm creating an application that uses Cairo to display text over an image, among other things. Is there a way I can change the text width without modifying the height? I can already scale the font...

How can I get pixels from cairo.ImageSurface?

I made a Python program that draws a black rectangle with a white circle inside it when I click on a button. I use Gtk.DrawingArea and cairo.ImageSurface. The code is the following. class App: ...

I can't install matplotlib

Collecting matplotlib Using cached matplotlib-1.5.2.tar.gz Complete output from command python setup.py egg_info: ...

Couldn't find foreign struct converter for 'cairo.Context'

It's me again. This is a code related to a project I'm doing called Sentiment Analysis on Twitter Data. The following code is basically used to display the number of positive and negative tweets...

Install Matplotlib: Command "python setup.py egg_info" failed with error code 1 (proposed solutions did not work)

I am aware, that this question was asked a couple of times, but none of the proposed solutions worked for me. I want to install the matplotlib package with pip install matplotlib==1.5.1 (this...

Failed building wheel for pycairo using manim in Python 3.7 environment

I am following the steps outlined here to set up maths animation for educational purposes. I've had to figure out how to configure all the steps for Python 3.7, but that hasn't posed any major...

no module named cairo - python and pip

I am trying to build openuds and I get the error no module name cairo, I surfed a bit and found installing pycairo will solve it. 1) How do I fix this install error? python manage.py...

How to create a letter spacing attribute with pycairo?

I'm using Pango + Cairo (through GObject) to render text with python3.7, and would like to set the letter spacing by creating an attribute and attaching that attribute to my pango layout. In the...

Putting .SVG images into tkinter Frame

I have been trying to put the image from https://betacssjs.chesscomfiles.com/bundles/web/favicons/safari-pinned-tab.f387b3f2.svg into a Tkinter frame. I found from the post here that it is...

How to convert PyCairo surface to OpenCV numpy and back in Python 3

I would like to convert OpenCV image to PyCairo, make some manipulations (drawing etc.) and convert it back to OpenCV. Do you know how to do it? Simple examples would be enough. Thank you.

Installing pycairo on linux

So I have venv that I want to use the pycairo module that is not yet installed (venv) command$ python -m pip install pycairo Collecting pycairo Using cached...

django OSError: no library called "cairo" was found on windows

When I run the Django server, I see this problem !! OSError: no library called "cairo" was found no library called "libcairo-2" was found cannot load library 'libcairo.so': error 0x7e cannot...

how to use gi in windows

i'm trying to run this code: import gi gi.require_version('Gst', '1.0') from gi.repository import Gst but is give me this error: Traceback (most recent call last): File...

pip install generates ERROR: Command errored out with exit status 1

I keep getting this while trying to install PyGObject for Python 3.7 in Pycharm. I at first got the error where cl.exe couldn't be found, but I did some research and would that apparently C++...

no django file in the site packages

**Traceback (most recent call last): File "manage.py", line 15, in <module> execute_from_command_line(sys.argv) File...

pip install error, freetype and libpng missing (Windows)

I have downloaded a repo from github and am trying to install the requirements in a venv. It's telling me freetype and libpng libraries are missing, so I went to the websites and installed them....

Problem with creating an environment from .yml file, error "CondaEnvException: Pip failed" raised

I am trying to create an environment based on a .yml file, the name of the file is env.yml . I run the following snippet on terminal: conda env create -f env.yml Then anaconda starts...

Python: TypeError: required field "type_ignores" missing from Module in Jupyter notebook

I have been having issues with my jupyter notebook for a few days. I didn't fix them at the time but have decided to now. Earlier whenever I executed anything in the jupyter notebook, It showed a...

Beware 'briefcase create' asks for cairo >= 1.15.10

I'm following Beeware tutorial and unable to 'briefcase create'. At some point it shows this: Collecting pygobject>=3.14.0 Downloading PyGObject-3.38.0.tar.gz (712 kB) ...

Convert SVG to PNG with Python on Windows

Question: Which reproducible process can enable Windows Python users to render a SVG image into PNG? Many questions/answers (such as...

How can I convert big python project to exe file?

I have a Python Qt GUI which is using these modules: "Numpy, scipy, matplotlib-base, netcdf4, cartopy, xarray, pytest, gdal, cycler, dateutil, kiwisolver, pillow, pyparsing, tk, PyQt5, pycairo,...

Segmentation fault (core dumped) on training the deep neural network /torch/cuda/__init__.py", line 172 in _lazy_init

python3 -q -X faulthandler test.py --model.backbone=resnet18 2021-02-07 20:14:21.198583: I tensorflow/stream_executor/platform/default/dso_loader.cc:49] Successfully opened dynamic library...

Error when running executable generated by pyinstaller [pyvisa-py]

I'm trying to build an executable from a simple python script using pyvisa-py but I'm running into error after I run the executable generated by pyinstaller. Here what my small python code looks...

Im trying to build mediapipe on my jetson nano

So Im trying to build a mediapipe whl file for my jetson nano by following this guide https://github.com/jiuqiant/mediapipe_python_aarch64 I am successful on building it with my raspberry pi 4. By...

Python3 Import Error: undefined symbol: aes_hw_encrypt

I am trying to use DialogFlow to make a small talk chatbot on Raspberry Pi 4, and I am getting this error: ImportError:...

Why I get an ImportError while importing cairo if the installation seems to be correct?

The issue is quite simple. I've installed Python and Cairo with Homebrew since I use a M1 MacBook. When trying to import the package, I get this error: >>> import cairo Traceback (most recent call...