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from __future__ import absolute_import, print_function, unicode_literals
import argparse
import logging
import os
import sys
from datetime import datetime
from virtualenv.util.six import ensure_text
def run(args=None, options=None):
start = datetime.now()
from virtualenv.error import ProcessCallFailed
from virtualenv.run import cli_run
if args is None:
args = sys.argv[1:]
try:
session = cli_run(args, options)
logging.warning(LogSession(session, start))
except ProcessCallFailed as exception:
print("subprocess call failed for {} with code {}".format(exception.cmd, exception.code))
print(exception.out, file=sys.stdout, end="")
print(exception.err, file=sys.stderr, end="")
raise SystemExit(exception.code)
class LogSession(object):
def __init__(self, session, start):
self.session = session
self.start = start
def __str__(self):
spec = self.session.creator.interpreter.spec
elapsed = (datetime.now() - self.start).total_seconds() * 1000
lines = [
"created virtual environment {} in {:.0f}ms".format(spec, elapsed),
" creator {}".format(ensure_text(str(self.session.creator))),
]
if self.session.seeder.enabled:
lines += (" seeder {}".format(ensure_text(str(self.session.seeder)),),)
if self.session.activators:
lines.append(" activators {}".format(",".join(i.__class__.__name__ for i in self.session.activators)))
return os.linesep.join(lines)
def run_with_catch(args=None):
options = argparse.Namespace()
try:
run(args, options)
except (KeyboardInterrupt, Exception) as exception:
if getattr(options, "with_traceback", False):
logging.shutdown() # force flush of log messages before the trace is printed
raise
else:
logging.error("%s: %s", type(exception).__name__, exception)
sys.exit(1)
if __name__ == "__main__":
run_with_catch()
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