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I'm trying to find a library (any language, but preferably C# or Python) which will let me open an XLSX file, iterate through the chart objects, and find data about the chart - ideally including the data backing the chart.
The Pandas Python package, or ExcelDataReader NuGet package have useful functionality for opening the file and reading a grid of numbers, as well as ways to add charts, but I don't find any way to read the charts.
Curious to hear from anyone who has ideas/solutions.
Hey I have a good solution for C#. In C# you can use OLEDB, this allows you to connect a C# code to a excel or access database (so long the database is in the C# code files). You don't need to get any addons for this is you have C# on Visual Studio.
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First time poster here. I'm trying to convert one or multiple .docx files to PDF but I can't figure out how to do it without importing any libraries/modules aside from what is available in python 3.3.
I've read through the packages documentation but nothing stuck out as a solution. I also don't know what I am looking for as I am pretty new to python. I found plenty of articles and resources that mention how to do it with an imported library, but not without.
Is it possible to accomplish this without importing a library?
Any advice/resources are welcome.
Code it from scratch. If you're not going to use an external library, that is by definition pretty much your only option.
You'll want to become an expert in the formal specifications for both PDF
and MS Word. Given the complexity and history of each of those, I expect a senior developer will want 6-12 months of experience with each to obtain the necessary understanding.
You should also have 6-12 months' experience with Python, since you'll likely need to be familiar with the language in order to define and use all the functions you'll need. But in just a few years of dedication, you should be able to write the necessary code.
MORE REALISTICALLY, import Python libraries for managing PDFs and MS Word. That should only take a week or two.
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I don't want to use any library. And learn popular image processing algorithms and implement it. Purely using Python.
It's my project in college. Not anything fancy, just want to implement simple image processing algorithms on Bitmap.
Here, I'll give you a start without libraries.
filer=open('turkey.png','rb')
print(filer.read())
filer.close()
Then you have to figure out a way to decode it.
You can't. Simple answer. Python on its own does not have any libraries pre-installed or pre-imported for manipulating pictures. Why wouldn't you use libraries? If you are building a big project or even a smaller one, I think you will need to import a library. Python is very dependent on libraries! Maybe in the future if python has a pre-installed & pre-imported library for picture editing! :)
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I have a python script that incorporates Excel sheets being imported, written, and that also contain username and password information. I received the massive script from a friend. It is very long and intricate and I need to incorporate it into a GUI. What is the best way to do this without having to rewrite and edit the whole script? I am a beginner to most of this.
I'd start with PyQt and read about the model-view structure it implements. Design a layout with Designer, then connect GUI buttons (signals) with functions written in the script (slots) to perform the functionality.
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One of the most popular tools to generate static sites is Sphinx which is largely used in the Python community to document code. It converts .rst files into other formats like HTML, PDF and others. But how is it possible that a static documentation with plain HTML files is searchable without losing performance?
I guess, it's done by creating an index (like a JSON file for example) that will be loaded via AJAX and is interpreted by something like lunr.js. Since many major projects in the world of Python have a huge documentation (like the Python docs itself). Therefore, how is it possible, to create such a good search without creating a gigantic index file that needs to be loaded?
You can use Google Search Engine to use Google´s power on your site. It is difficult to customize yet powerful. Other reference in this question
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I've written a bunch of VBA code for various things in Excel. I'm looking at migrating to libreOffice. Under Tool->Macros->Organize Macros: the two choices are LibreOffice Basic and Python.
Should I learn one of those, both, or something else. Am I wasting my time altogether? Any suggestions appreciated.
Python is the way to go.
Start here: http://wiki.python.org/moin/BeginnersGuide
And no, you're not wasting time.
You'll look back and say, why didn't I do it sooner.
Python's a great skill to learn - I use it for everything. It's the glue language for virtually every tool out there (you can even use it with .Net).
Documentation for Python + LibreOffice is however a bit sketchy currently, although I don't have much experience with Calc.
There is some work-in-progress documentation at http://documenthacker.wordpress.com (or soon www.documenthacker.com). It has examples for working with Writer, rather than Calc, but you might still find it useful.