Transcrypt fails to find relative imports

Open

#260 opened on Jan 14, 2017 12 comments 2 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 38/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: javascript, python
Domain: compilers

Research direction

Reproduce the failure with main.py, parentmod/init.py, and parentmod/childmod.py, first comparing Python execution with transpiling main.py. Trace how the compiler resolves the relative import from parentmod/init.py and make the example compile and run successfully without the 'could not find' error.

Written by the indexing model from the issue text.

Description

IS: limitation

Of a low priority to me, but thought I'd report this anyways. Relative imports (from .mod import ...) don't seem to work in Transcrypt, and produce a 'could not find' error.

Test case:

main.py:

import parentmod

parentmod.afunc()

parentmod/__init__.py:

from .childmod import afunc

parentmod/childmod.py:

def afunc():
    print('childmod: afunc!')

Running python main.py works as expected, but trying to transcrypt main.py results in the following error:

Transcrypt (TM) Python to JavaScript Small Sane Subset Transpiler Version 3.6.4
Copyright (C) Geatec Engineering. License: Apache 2.0


Error in program main.py, module childmod, line 1: 
	Attempt to load module: childmod
	Can't find any of:
		/home/daboross/Projects/Python/TranscryptTest/src/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/src/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib/python3.5/site-packages/transcrypt/modules/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib/python3.5/site-packages/transcrypt/modules/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/bin/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/bin/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python35.zip/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python35.zip/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python3.5/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python3.5/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python3.5/plat-linux/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python3.5/plat-linux/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python3.5/lib-dynload/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib64/python3.5/lib-dynload/__javascript__/childmod.mod.js
		/usr/lib64/python3.5/__javascript__/childmod.mod.js
		/usr/lib64/python3.5/__javascript__/childmod.mod.js
		/usr/lib/python3.5/__javascript__/childmod.mod.js
		/usr/lib/python3.5/__javascript__/childmod.mod.js
		/usr/lib/python3.5/plat-linux/__javascript__/childmod.mod.js
		/usr/lib/python3.5/plat-linux/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib/python3.5/site-packages/__javascript__/childmod.mod.js
		/home/daboross/Projects/Python/TranscryptTest/env/lib/python3.5/site-packages/__javascript__/childmod.mod.js
		/usr/lib/python3.5/site-packages/__javascript__/childmod.mod.js
		/usr/lib/python3.5/site-packages/__javascript__/childmod.mod.js


Aborted

Dominant language: Python
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