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Fix dependencies for arm64 #322

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Merged
merged 5 commits into from
Oct 13, 2021
Merged

Fix dependencies for arm64 #322

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04e83e0
Skip opencv install on jetson
Jul 23, 2021
3916b7d
Merge remote-tracking branch 'origin/develop' into HEAD
Oct 13, 2021
8a104f0
Update dependency installer for aarch64
Oct 13, 2021
7d0bd12
Use sys.executable instead python3, improve warning message
Oct 13, 2021
e2ed466
Remove aarch64 from RPI check
Oct 13, 2021
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35 changes: 31 additions & 4 deletions examples/install_requirements.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import sys, os, subprocess
import argparse
import re
import platform

convert_default = "empty"
parser = argparse.ArgumentParser()
Expand Down Expand Up @@ -38,7 +39,21 @@ def hasWhitespace(string):
import find_version

# 3rdparty dependencies to install
DEPENDENCIES = ['numpy', 'opencv-python', 'pyyaml', 'requests']
DEPENDENCIES = ['pyyaml', 'requests']
requireOpenCv = True
thisPlatform = platform.machine()
if thisPlatform == "aarch64":
# try to import opencv, numpy in a subprocess, since it might fail with illegal instruction
# if it was previously installed w/ pip without setting OPENBLAS_CORE_TYPE=ARMV8 env variable
try:
subprocess.check_call([sys.executable, "-c", "import numpy, cv2;"])
requireOpenCv = False
except subprocess.CalledProcessError as ex:
requireOpenCv = True

if requireOpenCv:
DEPENDENCIES.append('opencv-python')


# Constants
ARTIFACTORY_URL = 'https://artifacts.luxonis.com/artifactory/luxonis-python-snapshot-local'
Expand All @@ -61,12 +76,13 @@ def hasWhitespace(string):
if sys.version_info[0] != 3:
raise RuntimeError("Examples require Python 3 to run (detected: Python {})".format(sys.version_info[0]))

if platform.machine() == "arm64" and platform.system() == "Darwin":
if thisPlatform == "arm64" and platform.system() == "Darwin":
err_str = "There are no prebuilt wheels for M1 processors. Please open the following link for a solution - https://discuss.luxonis.com/d/69-running-depthai-on-apple-m1-based-macs"
raise RuntimeError(err_str)

is_pi = platform.machine().startswith("arm") or platform.machine().startswith("aarch")
if is_pi and sys.version_info[1] == 9:
is_pi = thisPlatform.startswith("arm")
prebuiltWheelsPythonVersion = [7,9]
if requireOpenCv and is_pi and sys.version_info[1] not in prebuiltWheelsPythonVersion:
print("[WARNING] There are no prebuilt wheels for Python 3.{} for OpenCV, building process on this device may be long and unstable".format(sys.version_info[1]))

if not in_venv:
Expand Down Expand Up @@ -158,3 +174,14 @@ def hasWhitespace(string):
prettyPrint(cmd)
else:
subprocess.check_call(cmd)

if requireOpenCv and thisPlatform == "aarch64":
from os import environ
OPENBLAS_CORE_TYPE = environ.get('OPENBLAS_CORE_TYPE')
if OPENBLAS_CORE_TYPE != 'ARMV8':
WARNING='\033[1;5;31m'
RED='\033[91m'
LINE_CL='\033[0m'
SUGGESTION='echo "export OPENBLAS_CORETYPE=AMRV8" >> ~/.bashrc && source ~/.bashrc'
print(f'{WARNING}WARNING:{LINE_CL} Need to set OPENBLAS_CORE_TYPE environment variable, otherwise opencv will fail with illegal instruction.')
print(f'Run: {RED}{SUGGESTION}{LINE_CL}')