Open Source Computer Vision Library https://opencv.org/
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#!/usr/bin/env python
"""
Common utilities. These should be compatible with Python 2 and 3.
"""
from __future__ import print_function
import sys, re
from subprocess import check_call, check_output, CalledProcessError
def execute(cmd, cwd = None):
print("Executing: %s in %s" % (cmd, cwd), file=sys.stderr)
print('Executing: ' + ' '.join(cmd))
retcode = check_call(cmd, cwd = cwd)
if retcode != 0:
raise Exception("Child returned:", retcode)
def print_header(text):
print("="*60)
print(text)
print("="*60)
def print_error(text):
print("="*60, file=sys.stderr)
print("ERROR: %s" % text, file=sys.stderr)
print("="*60, file=sys.stderr)
def get_xcode_major():
ret = check_output(["xcodebuild", "-version"]).decode('utf-8')
m = re.match(r'Xcode\s+(\d+)\..*', ret, flags=re.IGNORECASE)
if m:
return int(m.group(1))
else:
raise Exception("Failed to parse Xcode version")
def get_xcode_version():
"""
Returns the major and minor version of the current Xcode
command line tools as a tuple of (major, minor)
"""
ret = check_output(["xcodebuild", "-version"]).decode('utf-8')
m = re.match(r'Xcode\s+(\d+)\.(\d+)', ret, flags=re.IGNORECASE)
if m:
return (int(m.group(1)), int(m.group(2)))
else:
raise Exception("Failed to parse Xcode version")
def get_xcode_setting(var, projectdir):
ret = check_output(["xcodebuild", "-showBuildSettings"], cwd = projectdir).decode('utf-8')
m = re.search("\s" + var + " = (.*)", ret)
if m:
return m.group(1)
else:
raise Exception("Failed to parse Xcode settings")
def get_cmake_version():
"""
Returns the major and minor version of the current CMake
command line tools as a tuple of (major, minor, revision)
"""
ret = check_output(["cmake", "--version"]).decode('utf-8')
m = re.match(r'cmake\sversion\s+(\d+)\.(\d+).(\d+)', ret, flags=re.IGNORECASE)
if m:
return (int(m.group(1)), int(m.group(2)), int(m.group(3)))
else:
raise Exception("Failed to parse CMake version")