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import argparse
import logging
import os
import random
import shutil
import tarfile
import tempfile
class MultilineFormatter(logging.Formatter):
def format(self, record):
s = super().format(record)
lines = list(s.splitlines())
return lines.pop(0) + "\n".join(" %s" % line for line in lines)
def indent(n):
return " " * n
def log_value(msg, level, v):
if is_multiline_string(v):
logging.debug(f"{indent(level)}{msg}:")
log_lines(indent(level + 1), v)
elif isinstance(v, dict) and v:
# Only non-empty dictionaries
logging.debug(f"{indent(level)}{msg}:")
for k in sorted(v.keys()):
log_value(f"{k!r}", level + 1, v[k])
elif isinstance(v, list) and v:
# Only non-empty lists
logging.debug(f"{indent(level)}{msg}:")
for i, x in enumerate(v):
log_value(f"{i}", level + 1, x)
else:
logging.debug(f"{indent(level)}{msg}: {v!r}")
def is_multiline_string(v):
if isinstance(v, str) and "\n" in v:
return True
elif isinstance(v, bytes) and b"\n" in v:
return True
else:
return False
def log_lines(prefix, v):
if isinstance(v, str):
nl = "\n"
else:
nl = b"\n"
if nl in v:
for line in v.splitlines(keepends=True):
logging.debug(f"{prefix}{line!r}")
else:
logging.debug(f"{prefix}{v!r}")
# Remember where we started from. The step functions may need to refer
# to files there.
srcdir = os.getcwd()
print("srcdir", srcdir)
# Create a new temporary directory and chdir there. This allows step
# functions to create new files in the current working directory
# without having to be so careful.
_datadir = tempfile.mkdtemp()
print("datadir", _datadir)
os.chdir(_datadir)
def parse_command_line():
p = argparse.ArgumentParser()
p.add_argument("--log")
p.add_argument("--env", action="append", default=[])
p.add_argument("--save-on-failure")
p.add_argument("patterns", nargs="*")
return p.parse_args()
def setup_logging(args):
if args.log:
fmt = "%(asctime)s %(levelname)s %(message)s"
datefmt = "%Y-%m-%d %H:%M:%S"
formatter = MultilineFormatter(fmt, datefmt)
filename = os.path.abspath(os.path.join(srcdir, args.log))
handler = logging.FileHandler(filename)
handler.setFormatter(formatter)
else:
handler = logging.NullHandler()
logger = logging.getLogger()
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
def save_directory(dirname, tarname):
print("tarname", tarname)
logging.info("Saving {} to {}".format(dirname, tarname))
tar = tarfile.open(tarname, "w")
tar.add(dirname, arcname="datadir")
tar.close()
def main(scenarios):
args = parse_command_line()
setup_logging(args)
logging.info("Test program starts")
logging.info("patterns: {}".format(args.patterns))
if len(args.patterns) == 0:
logging.info("Executing all scenarios")
todo = list(scenarios)
random.shuffle(todo)
else:
logging.info("Executing requested scenarios only: {}".format(args.patterns))
patterns = [arg.lower() for arg in args.patterns]
todo = [
scen
for scen in scenarios
if any(pattern in scen.get_title().lower() for pattern in patterns)
]
extra_env = {}
for env in args.env:
(name, value) = env.split("=", 1)
extra_env[name] = value
try:
for scen in todo:
scen.run(_datadir, extra_env)
except Exception as e:
logging.error(str(e), exc_info=True)
if args.save_on_failure:
print(args.save_on_failure)
filename = os.path.abspath(os.path.join(srcdir, args.save_on_failure))
print(filename)
save_directory(_datadir, filename)
raise
shutil.rmtree(_datadir)
print("OK, all scenarios finished successfully")
logging.info("OK, all scenarios finished successfully")
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