Numpy: libf77blas.so.3: ๊ณต์œ  ํŒŒ์ผ์„ ์—ด ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค: ํ•ด๋‹น ํŒŒ์ผ์ด๋‚˜ ๋””๋ ‰ํ† ๋ฆฌ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค

์— ๋งŒ๋“  2019๋…„ 10์›” 24์ผ  ยท  15์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: numpy/numpy

-์šด์˜ ์ฒด์ œ: ๋ผ์ฆˆ๋น„์•ˆ ์ŠคํŠธ๋ ˆ์น˜(9)
-Python์ด ์„ค์น˜๋œ ๋ฐฉ๋ฒ•: Python 3.5.3์€ Stretch์˜ ๊ธฐ๋ณธ Python3์ž…๋‹ˆ๋‹ค.
- numpy ์„ค์น˜ ๋ฐฉ๋ฒ•: ๊ฐ€์ƒ ํ™˜๊ฒฝ(๋ฒ„์ „ 1.17.3)์—์„œ pip ์„ค์น˜
-Python2.7๋„ ๊ธฐ๋ณธ์ ์œผ๋กœ ์„ค์น˜๋ฉ๋‹ˆ๋‹ค.

raspberry pi 3์— ๋Œ€ํ•œ ์ถ”๋ก ์„ ์œ„ํ•ด OpenVINO์˜ dldt ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค. ์ด์ „์— ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์ง€๋งŒ ์—ฌ๊ธฐ์— ์žˆ๋Š” ๋ช‡ ๊ฐ€์ง€ ์ง€์นจ์— ๋”ฐ๋ผ raspbian stretch์—์„œ ๊ธฐ๋ณธ ์ปดํŒŒ์ผ์„ ์œ„ํ•ด cmake๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ตœ์‹  ๋ฒ„์ „์˜ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ๊ตฌ์ถ•ํ–ˆ์Šต๋‹ˆ๋‹ค(์‹œ๊ฐ„์ด ๊ฑธ๋ฆผ).

๋‚˜๋Š” ๊ทธ๋“ค์˜ ๋ชจ๋ธ ์˜ตํ‹ฐ๋งˆ์ด์ € ํŒŒ์ด์ฌ ์ฝ”๋“œ๋ฅผ ์‹คํ–‰ํ•  ๋•Œ ์ฒ˜์Œ์œผ๋กœ ์˜ค๋ฅ˜๋ฅผ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค:

$ python3 <dldt_dir>/model-optimizer/mo.py --input_model [input model] --data_type [data type] --output_dir [output_dir]
Traceback (most recent call last):
  File "/home/pi/.virtualenvs/openvino/lib/python3.5/site-packages/numpy/core/__init__.py", line 17, in <module>
    from . import multiarray
  File "/home/pi/.virtualenvs/openvino/lib/python3.5/site-packages/numpy/core/multiarray.py", line 14, in <module>
    from . import overrides
  File "/home/pi/.virtualenvs/openvino/lib/python3.5/site-packages/numpy/core/overrides.py", line 7, in <module>
    from numpy.core._multiarray_umath import (
ImportError: libf77blas.so.3: cannot open shared object file: No such file or directory

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/pi/.virtualenvs/openvino/lib/python3.5/site-packages/numpy/__init__.py", line 142, in <module>
    from . import core
  File "/home/pi/.virtualenvs/openvino/lib/python3.5/site-packages/numpy/core/__init__.py", line 47, in <module>
    raise ImportError(msg)
ImportError: 

IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!

Importing the numpy c-extensions failed.
- Try uninstalling and reinstalling numpy.
- If you have already done that, then:
  1. Check that you expected to use Python3.5 from "/home/pi/.virtualenvs/openvino/bin/python",
     and that you have no directories in your PATH or PYTHONPATH that can
     interfere with the Python and numpy version "1.17.3" you're trying to use.
  2. If (1) looks fine, you can open a new issue at
     https://github.com/numpy/numpy/issues.  Please include details on:
     - how you installed Python
     - how you installed numpy
     - your operating system
     - whether or not you have multiple versions of Python installed
     - if you built from source, your compiler versions and ideally a build log

- If you're working with a numpy git repository, try `git clean -xdf`
  (removes all files not under version control) and rebuild numpy.

Note: this error has many possible causes, so please don't comment on
an existing issue about this - open a new one instead.

Original error was: libf77blas.so.3: cannot open shared object file: No such file or directory

๊ทธ๋Ÿฌ๋‚˜ Python3์—์„œ numpy๋ฅผ ๊ฐ€์ ธ์˜ฌ ๋•Œ์ด ๋ฌธ์ œ๊ฐ€ ์ง€์†๋œ๋‹ค๋Š” ๊ฒƒ์„ ๋นจ๋ฆฌ ์•Œ์•˜์Šต๋‹ˆ๋‹ค.

>>> import numpy as np
[...]
Importing the numpy c-extensions failed.
[...]
Original error was: libf77blas.so.3: cannot open shared object file: No such file or directory

numpy๋ฅผ ์ œ๊ฑฐํ•˜๊ณ  ๋‹ค์‹œ ์„ค์น˜ํ•ด ๋ณด์•˜์Šต๋‹ˆ๋‹ค. dldt ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์„ค์น˜ํ•˜๊ธฐ ์ „์— numpy๊ฐ€ Python3์—์„œ ์ž‘๋™ํ•˜๋Š”์ง€ ํ™•์ธํ–ˆ์Šต๋‹ˆ๋‹ค.
๋„์™€์ฃผ์„ธ์š”. ๋‹น์‹ ์€ ๋‚ด ์œ ์ผํ•œ ํฌ๋ง์ž…๋‹ˆ๋‹ค.

32 - Installation

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

gh-11110์„ ๋ณด๋ฉด ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์ง€ ์•Š์„๊นŒ์š”?

sudo apt-get install libatlas-base-dev

๋ชจ๋“  15 ๋Œ“๊ธ€

gh-11110์„ ๋ณด๋ฉด ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์ง€ ์•Š์„๊นŒ์š”?

sudo apt-get install libatlas-base-dev

์ œ์•ˆ๋œ ์†”๋ฃจ์…˜์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ณ  ์›๋ž˜ ๋ฆฌํฌํ„ฐ๊ฐ€ ์ด์ œ NumPy๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๊ธฐ๋ฅผ ๋ฐ”๋ผ๋Š” ๋งˆ์Œ์—์„œ ๋งˆ๋ฌด๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ ‡์ง€ ์•Š์€ ๊ฒฝ์šฐ ์ถ”๊ฐ€ ์ •๋ณด๋กœ ๋‹ค์‹œ ์—ด๊ฑฐ๋‚˜ ์ด๊ฒƒ์ด ์ค‘๋ณต๋˜์ง€ ์•Š๋Š” ์ด์œ ๋ฅผ ์„ค๋ช…ํ•˜๋Š” ์ƒˆ ๋ฌธ์ œ๋ฅผ ์—ฌ์‹ญ์‹œ์˜ค.

์˜ค๋Š˜ ๊ฐ™์€ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค.

์ œ์•ˆ๋œ ์†”๋ฃจ์…˜( sudo apt-get install libatlas-base-dev )์ด ์ €์—๊ฒŒ ํšจ๊ณผ๊ฐ€ ์žˆ๋Š”์ง€ ํ™•์ธํ•˜๊ธฐ ์œ„ํ•ด ์—ฌ๊ธฐ์— ์™”์Šต๋‹ˆ๋‹ค.

๊ฐ์‚ฌ ํ•ด์š”!

๋‚˜๋„ ์†”๋ฃจ์…˜์ด ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค. ์ •๋ง ๊ณ ๋ง™์Šต๋‹ˆ๋‹ค!

๋‚˜๋„ ์ผํ•ด๋ผ, ๊ณ ๋งˆ์›Œ

๋‚˜์—๊ฒŒ๋„ ๊ณ ์ •.

sudo apt-get install libatlas-base-dev๋„ ์ €์—๊ฒŒ ํšจ๊ณผ์ ์ด์—ˆ์Šต๋‹ˆ๋‹ค. ๊ฐ์‚ฌ ํ•ด์š”.

์ผํ•˜๋‹ค!

๋ˆ„๊ตฐ๊ฐ€ ์ด ์ถ”๊ฐ€ ํŒจํ‚ค์ง€ ์„ค์น˜๊ฐ€ ์ž‘๋™ํ•˜๋Š” ์ด์œ ๋ฅผ ์„ค๋ช…ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ?

NumPy๋Š” OpenBLAS๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌด๊ฑฐ์šด linalg ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ์ฆ‰, NumPy๋Š” ํƒ€์‚ฌ ํŒจํ‚ค์ง€์—์„œ ์ œ๊ณตํ•˜๋Š” ๊ณต์œ  ๊ฐ์ฒด๋ฅผ ํ˜ธ์ถœํ•ฉ๋‹ˆ๋‹ค. PyPI์˜ ๊ณต์‹ NumPy ํœ ์€ ๋‹ค๋ฅธ ํŒจํ‚ค์ง€๋ฅผ ํœ ์— ํ†ตํ•ฉํ•˜๊ณ  ์ „์ฒด๋ฅผ ํ•จ๊ป˜ ๋ฐฐ์†กํ•ฉ๋‹ˆ๋‹ค. https://www.piwheels.org ์‚ฌ๋žŒ๋“ค์ด ์ œ๊ณตํ•˜๋Š” ๋ฐ”ํ€ด๋Š” ๊ทธ๋ ‡์ง€ ์•Š์Šต๋‹ˆ๋‹ค. OpenBLAS ํŒจํ‚ค์ง€๋ฅผ ๋ณ„๋„๋กœ ์„ค์น˜ํ•˜๋Š” ๋ฐ ์˜์กดํ•ฉ๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ NumPy๋ฅผ ๋ฐ›์œผ๋ฉด ํŒจํ‚ค์ง€๋ฅผ ์„ค์น˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

๋‚˜๋Š” ์—ฌ๊ธฐ์—์„œ sudo apt-get install libatlas-base-dev๊ฐ€ ์ €์—๊ฒŒ๋„ ํšจ๊ณผ๊ฐ€ ์žˆ์Œ์„ ํ™•์ธํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ณ ๋ง™์Šต๋‹ˆ๋‹ค !

NumPy๋Š” OpenBLAS๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌด๊ฑฐ์šด linalg ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ์ฆ‰, NumPy๋Š” ํƒ€์‚ฌ ํŒจํ‚ค์ง€์—์„œ ์ œ๊ณตํ•˜๋Š” ๊ณต์œ  ๊ฐ์ฒด๋ฅผ ํ˜ธ์ถœํ•ฉ๋‹ˆ๋‹ค. PyPI์˜ ๊ณต์‹ NumPy ํœ ์€ ๋‹ค๋ฅธ ํŒจํ‚ค์ง€๋ฅผ ํœ ์— ํ†ตํ•ฉํ•˜๊ณ  ์ „์ฒด๋ฅผ ํ•จ๊ป˜ ๋ฐฐ์†กํ•ฉ๋‹ˆ๋‹ค. https://www.piwheels.org ์‚ฌ๋žŒ๋“ค์ด ์ œ๊ณตํ•˜๋Š” ๋ฐ”ํ€ด๋Š” ๊ทธ๋ ‡์ง€ ์•Š์Šต๋‹ˆ๋‹ค. OpenBLAS ํŒจํ‚ค์ง€๋ฅผ ๋ณ„๋„๋กœ ์„ค์น˜ํ•˜๋Š” ๋ฐ ์˜์กดํ•ฉ๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ NumPy๋ฅผ ๋ฐ›์œผ๋ฉด ํŒจํ‚ค์ง€๋ฅผ ์„ค์น˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

๊ฐ์‚ฌ ํ•ด์š”

๋‚˜๋Š” ๊ทธ๊ฒƒ์ด ๋‚˜์—๊ฒŒ๋„ ํšจ๊ณผ๊ฐ€ ์žˆ์Œ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๋‚˜๋ฅผ ์œ„ํ•ด ์ผํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ฐ์‚ฌ ํ•ด์š”

๋‚˜๋ฅผ ์œ„ํ•ด ์ผํ–ˆ์Šต๋‹ˆ๋‹ค, ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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