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Final proofread
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@ -63,7 +63,7 @@ you're more looking for typos.
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Also, **don't use nice Rust things like enums**. While
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[one time it worked out OK for me](https://github.com/bspeice/dtparse/blob/7d565d3a78876dbebd9711c9720364fe9eba7915/src/lib.rs#L88-L94),
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I also managed to shoot myself in the foot a couple times because `dateutil` stores AM/PM as a boolean
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and I got mixed up on the enum trying to figure out which AM and PM were (side note: AM is false, PM is true).
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and I mixed up which was true, and which was false (side note: AM is false, PM is true).
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In general, writing nice code *should not be a first-pass priority* when you're just trying to recreate
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the same functionality.
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@ -77,13 +77,14 @@ take a while to verify.
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As another Python quirk, **be very careful about [long nested if-elif-else blocks](https://github.com/dateutil/dateutil/blob/16561fc99361979e88cccbd135393b06b1af7e90/dateutil/parser/_parser.py#L494-L568)**.
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I used to think that Python's whitespace was just there
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to get you to format your code correctly. I think that no longer. It's way too easy
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to close an extra block and have incredibly weird issues in the logic.
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to close a block too early and have incredibly weird issues in the logic. Make sure you use an editor that displays
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indentation levels so you can keep things straight.
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**Rust macros are not free.** I originally had the
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[main test body](https://github.com/bspeice/dtparse/blob/b0e737f088eca8e83ab4244c6621a2797d247697/tests/compat.rs#L63-L217)
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wrapped up in a macro using [pyo3](https://github.com/PyO3/PyO3). It took two minutes to compile. After
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[moving things to a function](https://github.com/bspeice/dtparse/blob/e017018295c670e4b6c6ee1cfff00dbb233db47d/tests/compat.rs#L76-L205)
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compile times dropped down to ~5 seconds. Turns out 150 lines * 100 tests = a lot of redundant code.
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compile times dropped down to ~5 seconds. Turns out 150 lines * 100 tests = a lot of redundant code to be compiled.
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My new rule of thumb is that any macros longer than 10-15 lines are actually functions that need to be liberated, man.
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Finally, **I really miss list comprehensions and dictionary comprehensions.**
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@ -100,8 +101,8 @@ On more than one occasion though, I've had issues navigating the Rust ecosystem.
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What I'll call the "canonical library" is still being built. In Python, if you need datetime parsing,
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you use `dateutil`. If you want `decimal` types, it's already in the
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[standard library](https://docs.python.org/3.6/library/decimal.html). The way `dateutil` uses decimals
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probably isn't strictly necessary, but I wanted to follow the principle of **stay as close to the original library as possible**.
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[standard library](https://docs.python.org/3.6/library/decimal.html). While I might've gotten away with `f64`,
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`dateutil` uses decimals, and I wanted to follow the principle of **staying as close to the original library as possible**.
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Thus began my quest to find a decimal library in Rust. What I quickly found was summarized
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in a comment:
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@ -119,7 +120,7 @@ to figure out if the library I'm look at is dead or just stable.
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And even when the "canonical library" exists, there's no guarantees that it will be well-maintained.
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[Chrono](https://github.com/chronotope/chrono) is the *de facto* date/time library in Rust,
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and just released version 0.4.3 like a week ago. Meanwhile, [chrono-tz](https://github.com/chronotope/chrono-tz)
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and just released version 0.4.3 like two weeks ago. Meanwhile, [chrono-tz](https://github.com/chronotope/chrono-tz)
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appears to be dead in the water even though [there are people happy to help maintain it](https://github.com/chronotope/chrono-tz/issues/19).
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I know relatively little about it, but it appears that most of the release process is automated; keeping
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that up to date should be a no-brainer.
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@ -136,7 +137,7 @@ and close the issue without resolution if I hear nothing back after a month.
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The second point I think has the potential to be a bit controversial, so I'm happy to receive feedback on that.
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And if a contributor responds with "hey, still working on it, had a kid and I'm running on 30 seconds of sleep a night,"
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then first congratulations on sustaining human life, and second I don't mind keeping those going indefinitely.
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then first: congratulations on sustaining human life. And second: I don't mind keeping those requests going indefinitely.
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I just want to try and balance keeping things moving with giving people the necessary time they need.
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I should also note that I'm still getting some best practices in place - CONTRIBUTING and CONTRIBUTORS files
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@ -153,7 +154,7 @@ coreutils rewrite going on, and `dtparse` would potentially be an interesting ca
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doesn't bring in a lot of extra dependencies. [`humantime`](https://crates.io/crates/humantime)
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could help pick up some of the (current) slack in dtparse, so maybe we can share and care with each other?
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All in all, I'm mostly hoping that nobody's already done this and I've spent a bit over a month
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All in all, I'm mostly hoping that nobody's already done this and I haven't spent a bit over a month
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on redundant code. So if it exists, tell me. I need to know, but be nice about it, because I'm going to take it hard.
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And in the mean time, I'm looking forward to building more. Onwards.
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