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#!/usr/bin/env python3
#
# Utility functions for make update and make tests.
import re
import shutil
import subprocess
import sys
def call(cmd, exit_on_error=True):
print(" ".join(cmd))
# Flush to ensure correct order output on Windows.
sys.stdout.flush()
sys.stderr.flush()
retcode = subprocess.call(cmd)
if exit_on_error and retcode != 0:
sys.exit(retcode)
return retcode
def check_output(cmd, exit_on_error=True):
# Flush to ensure correct order output on Windows.
sys.stdout.flush()
sys.stderr.flush()
try:
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, universal_newlines=True)
except subprocess.CalledProcessError as e:
if exit_on_error:
sys.stderr.write(" ".join(cmd))
sys.stderr.write(e.output + "\n")
sys.exit(e.returncode)
output = ""
return output.strip()
def git_branch(git_command):
# Get current branch name.
try:
branch = subprocess.check_output([git_command, "rev-parse", "--abbrev-ref", "HEAD"])
except subprocess.CalledProcessError as e:
sys.stderr.write("Failed to get Blender git branch\n")
sys.exit(1)
return branch.strip().decode('utf8')
def git_tag(git_command):
# Get current tag name.
try:
tag = subprocess.check_output([git_command, "describe", "--exact-match"])
except subprocess.CalledProcessError as e:
return None
return tag.strip().decode('utf8')
def git_branch_release_version(branch, tag):
release_version = re.search("^blender-v(.*)-release$", branch)
if release_version:
release_version = release_version.group(1)
elif tag:
release_version = re.search("^v([0-9]*\.[0-9]*).*", tag)
if release_version:
release_version = release_version.group(1)
return release_version
def svn_libraries_base_url(release_version):
if release_version:
svn_branch = "tags/blender-" + release_version + "-release"
else:
svn_branch = "trunk"
return "https://svn.blender.org/svnroot/bf-blender/" + svn_branch + "/lib/"
def command_missing(command):
# Support running with Python 2 for macOS
if sys.version_info >= (3, 0):
return shutil.which(command) is None
else:
return False
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