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Redirect stdout and stderr to file to avoid deadlock

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This commit is contained in:
Simon Wörner 2017-11-24 20:28:18 +01:00
parent 2374224cdf
commit f08b473c50
1 changed files with 26 additions and 23 deletions
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49
python/mach_bootstrap.py
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@ -8,7 +8,9 @@ import os
import platform
import sys
from distutils.spawn import find_executable
from subprocess import PIPE, Popen
from subprocess import Popen
import shutil
from tempfile import TemporaryFile
SEARCH_PATHS = [
os.path.join("python", "tidy"),
@ -101,6 +103,25 @@ def _get_virtualenv_script_dir():
return "bin"
def _process_exec(args):
with TemporaryFile() as out:
with TemporaryFile() as err:
process = Popen(args, stdout=out, stderr=err)
process.wait()
if process.returncode:
print('"%s" failed with error code %d:' % ('" "'.join(args), process.returncode))
print('Output:')
out.seek(0)
shutil.copyfileobj(out, sys.stdout)
print('Error:')
err.seek(0)
shutil.copyfileobj(err, sys.stdout)
sys.exit()
def wpt_path(is_firefox, topdir, *paths):
if is_firefox:
rel = os.path.join("..", "testing", "web-platform")
@ -135,16 +156,8 @@ def _activate_virtualenv(topdir, is_firefox):
if not virtualenv:
sys.exit("Python virtualenv is not installed. Please install it prior to running mach.")
process = Popen(
[virtualenv, "-p", python, "--system-site-packages", virtualenv_path],
stdout=PIPE,
stderr=PIPE
)
process.wait()
if process.returncode:
out, err = process.communicate()
print('Python virtualenv failed to execute properly:')
sys.exit('Output: %s\nError: %s' % (out, err))
_process_exec([virtualenv, "-p", python, "--system-site-packages", virtualenv_path])
# We want to upgrade pip when virtualenv created for the first time
need_pip_upgrade = True
@ -174,12 +187,7 @@ def _activate_virtualenv(topdir, is_firefox):
if not pip:
sys.exit("Python pip is either not installed or not found in virtualenv.")
process = Popen([pip, "install", "-q", "-I", "-U", "pip"], stdout=PIPE, stderr=PIPE)
process.wait()
if process.returncode:
out, err = process.communicate()
print('Pip failed to upgrade itself properly:')
sys.exit('Output: %s\nError: %s' % (out, err))
_process_exec([pip, "install", "-q", "-I", "-U", "pip"])
for req_rel_path in requirements_paths:
req_path = os.path.join(topdir, req_rel_path)
@ -196,12 +204,7 @@ def _activate_virtualenv(topdir, is_firefox):
if not pip:
sys.exit("Python pip is either not installed or not found in virtualenv.")
process = Popen([pip, "install", "-q", "-I", "-r", req_path], stdout=PIPE, stderr=PIPE)
process.wait()
if process.returncode:
out, err = process.communicate()
print('Pip failed to execute properly:')
sys.exit('Output: %s\nError: %s' % (out, err))
_process_exec([pip, "install", "-q", "-I", "-r", req_path])
open(marker_path, 'w').close()