flatterer
strop
flatterer | strop | |
---|---|---|
14 | 31 | |
165 | 97 | |
- | - | |
6.6 | 5.4 | |
3 months ago | about 1 month ago | |
Rust | Rust | |
MIT License | MIT License |
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flatterer
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How to convert a massive JSON into CSV
This tool was built for this purpose https://github.com/kindly/flatterer
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Show HN: Flatterer Lite, A Rust WASM JSON to tabular converter, for nested data
I have been working on this Rust based JSON flattener (https://github.com/kindly/flatterer) to XLSX/CSV/SQLITE/PARQUET/POSTGRES for about 2 years. I finally made a WASM based one for CSV/XLSX which is really easy to play with. You can use it via a url (if the data has CORS headers), for example https://lite.flatterer.dev?url=https%3A%2F%2Fdummyjson.com%2....
The main difference with other converters/flatteners is that for one-to-many relationships (lists of objects in JSON) it produces a multi table output with keys to help join the tables together. Essentially produces a relational schema, along with some type information, of the JSON provided. For simple non-nested JSON it works too, but is a bit overkill.
Its all opensource and free, and I think that it will become more and more useful as JSON/Graphql APIs proliferate.
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Create table from JSON
flatterer is the easiest option and will do this for you. It will also load the data into a sqlite or postgres database for you.
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Robust Rust Library for Converting JSON Objects into CSV Rows
I have also written something similar but higher level flatterer which is python but is a binding to libflatterer. Its main difference is when there is a list of objects it treats it a one to many and creates a separate CSV file.
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Flatten a massive json file
flatterer (github) is designed for this.
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Simple GUI tool to query JSON or CSV databases [I have no coding skills]
This looks great and using duckdb as a backend us a great choice. For JSON I suggest using flatterer https://flatterer.opendata.coop/ . Which will convert most JSON into CSV/Parquet with very little technical knowledge.
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Rust for Data Engineering
My project flatterer (used for flattening JSON into tables) also is mainly a python cli/libarary but is written in Rust for speed/memory efficiency and better concurrency.
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JSON Processing
I have been working on a similar tool for the last while called flatterer (github). It has a similar aim and works with most kinds of JSON well (but not very well with top level objects like yours).
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Stream processing - Nested JSON to Parquet
You could try Option B with flatterer https://flatterer.opendata.coop/ which purpose is to convert nested JSON into other formats without a schema upfront including parquet.
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Turning JSON arrays into tables - Data flattening
flatterer docs (github)
strop
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Why isn't clippy warning me?
I am completely rewriting strop, (the code sucks, and I know Rust a lot better than when I started, so I wanted to make it a bit better structured and more idiomatic). And I like to have static analysis make sure my code has certain qualities, so I stick this:
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What's everyone working on this week (16/2023)?
Do you think it's an architecture for strop then? It has a focus on code-generation on platforms not well supported by mainstream compilers
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strop v0.1.1
Here is a project for generating code for CPUs that do not have much support from mainstream compilers. Currently supported are the 6502 and the STM8 (I'll possibly be adding others in the future, feature requests welcome).
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Willing to work for free on rust projects
I could use some help on my project strop. Feel free to take a look and see if it's the kind of thing you feel you could contribute to! but be aware that the quality of the codebase is poor. There's a pull request to address this though.
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Why aren't my things turning up in my library?
It is my first time of making a Rust library. Actually, my project strop has been a binary crate and only recently have I started trying to use it from a different crate. This is happening on the breakapart branch.
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What's everyone working on this week (31/2022)?
Still working on a big rewrite of strop.
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Want to volunteer for your projects
If you're offering free help, then I could use some help with my project strop. (TL;DR: instead of compiling code, it's evolving code. And it has a focus on architectures that don't have good support from mainstream compilers, but I'm open to adding other architectures as well).
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Are PIC controllers still used in industries?
My frustration with this kind of situation (and PICs are not unique here, the 6502, CP1600 and other very low end chips have similarly problematic toolchaining) led me to invent strop, for evolving code sequences. It has some basic PIC support.
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Rust's Option and Result. In Python.
Hadn't thought of this. I even encountered it recently too.
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What's everyone working on this week (23/2022)?
I am still working on strop. (TL;DR alternative to compiled code, it's evolved code. Tell it which function you want and which registers to use, and it'll randomly generate an assembly language program that does what you wanted)
What are some alternatives?
json2csv - command line tool to convert json to csv
nvim-bacon - bacon's companion for neovim
libflatterer - Lib flatterer: A lib to make JSON flatterer
hlbc - Hashlink bytecode disassembler, analyzer, decompiler and assembler.
miller - Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON
uom - Units of measurement -- type-safe zero-cost dimensional analysis
flatten-tool - Tools for generating CSV and other flat versions of the structured data
rtrb - A realtime-safe single-producer single-consumer (SPSC) ring buffer
jq - Command-line JSON processor [Moved to: https://github.com/jqlang/jq]
rust-rocksdb - rust wrapper for rocksdb
json-roller - Command line tool for converting json data structures to tables
cargo-mutants - :zombie: Inject bugs and see if your tests catch them!