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https://github.com/denoland/deno.git
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5960e398ec
Don't mix every http request in with the tests output. Don't print that the file servers are starting unless -vv flag is passed. Capture the output of run with run_output which returns stdout, stderr and exit_code. Test against this rather than relying on sys.exit.
437 lines
14 KiB
Python
437 lines
14 KiB
Python
# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import collections
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import os
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import re
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import shutil
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import select
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import stat
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import sys
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import subprocess
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import tempfile
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import time
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if os.environ.get("NO_COLOR", None):
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RESET = FG_READ = FG_GREEN = ""
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else:
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RESET = "\x1b[0m"
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FG_RED = "\x1b[31m"
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FG_GREEN = "\x1b[32m"
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executable_suffix = ".exe" if os.name == "nt" else ""
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root_path = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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tests_path = os.path.join(root_path, "tests")
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def make_env(merge_env=None, env=None):
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if env is None:
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env = os.environ
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env = env.copy()
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if merge_env is None:
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merge_env = {}
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for key in merge_env.keys():
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env[key] = merge_env[key]
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return env
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def add_env_path(add, env, key="PATH", prepend=False):
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dirs_left = env[key].split(os.pathsep) if key in env else []
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dirs_right = add.split(os.pathsep) if isinstance(add, str) else add
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if prepend:
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dirs_left, dirs_right = dirs_right, dirs_left
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for d in dirs_right:
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if not d in dirs_left:
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dirs_left += [d]
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env[key] = os.pathsep.join(dirs_left)
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def run(args, quiet=False, cwd=None, env=None, merge_env=None):
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if merge_env is None:
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merge_env = {}
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args[0] = os.path.normpath(args[0])
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if not quiet:
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print " ".join(args)
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env = make_env(env=env, merge_env=merge_env)
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shell = os.name == "nt" # Run through shell to make .bat/.cmd files work.
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rc = subprocess.call(args, cwd=cwd, env=env, shell=shell)
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if rc != 0:
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sys.exit(rc)
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CmdResult = collections.namedtuple('CmdResult', ['out', 'err', 'code'])
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def run_output(args,
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quiet=False,
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cwd=None,
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env=None,
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merge_env=None,
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exit_on_fail=False):
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if merge_env is None:
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merge_env = {}
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args[0] = os.path.normpath(args[0])
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if not quiet:
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print " ".join(args)
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env = make_env(env=env, merge_env=merge_env)
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shell = os.name == "nt" # Run through shell to make .bat/.cmd files work.
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p = subprocess.Popen(
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args,
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cwd=cwd,
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env=env,
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shell=shell,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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try:
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out, err = p.communicate()
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except subprocess.CalledProcessError as e:
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p.kill()
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p.wait()
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raise e
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retcode = p.poll()
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if retcode and exit_on_fail:
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sys.exit(retcode)
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# Ignore Windows CRLF (\r\n).
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return CmdResult(
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out.replace('\r\n', '\n'), err.replace('\r\n', '\n'), retcode)
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def shell_quote_win(arg):
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if re.search(r'[\x00-\x20"^%~!@&?*<>|()=]', arg):
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# Double all " quote characters.
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arg = arg.replace('"', '""')
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# Wrap the entire string in " quotes.
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arg = '"' + arg + '"'
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# Double any N backslashes that are immediately followed by a " quote.
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arg = re.sub(r'(\\+)(?=")', r'\1\1', arg)
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return arg
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def shell_quote(arg):
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if os.name == "nt":
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return shell_quote_win(arg)
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else:
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# Python 2 has posix shell quoting built in, albeit in a weird place.
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from pipes import quote
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return quote(arg)
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def symlink(target, name, target_is_dir=False):
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if os.name == "nt":
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from ctypes import WinDLL, WinError, GetLastError
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from ctypes.wintypes import BOOLEAN, DWORD, LPCWSTR
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kernel32 = WinDLL('kernel32', use_last_error=False)
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CreateSymbolicLinkW = kernel32.CreateSymbolicLinkW
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CreateSymbolicLinkW.restype = BOOLEAN
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CreateSymbolicLinkW.argtypes = (LPCWSTR, LPCWSTR, DWORD)
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# File-type symlinks can only use backslashes as separators.
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target = os.path.normpath(target)
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# If the symlink points at a directory, it needs to have the appropriate
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# flag set, otherwise the link will be created but it won't work.
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if target_is_dir:
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type_flag = 0x01 # SYMBOLIC_LINK_FLAG_DIRECTORY
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else:
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type_flag = 0
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# Before Windows 10, creating symlinks requires admin privileges.
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# As of Win 10, there is a flag that allows anyone to create them.
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# Initially, try to use this flag.
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unpriv_flag = 0x02 # SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE
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r = CreateSymbolicLinkW(name, target, type_flag | unpriv_flag)
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# If it failed with ERROR_INVALID_PARAMETER, try again without the
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# 'allow unprivileged create' flag.
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if not r and GetLastError() == 87: # ERROR_INVALID_PARAMETER
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r = CreateSymbolicLinkW(name, target, type_flag)
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# Throw if unsuccessful even after the second attempt.
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if not r:
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raise WinError()
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else:
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os.symlink(target, name)
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def touch(fname):
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if os.path.exists(fname):
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os.utime(fname, None)
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else:
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open(fname, 'a').close()
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# Recursive search for files of certain extensions.
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# * Recursive glob doesn't exist in python 2.7.
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# * On windows, `os.walk()` unconditionally follows symlinks.
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# The `skip` parameter should be used to avoid recursing through those.
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def find_exts(directories, extensions, skip=None):
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if skip is None:
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skip = []
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assert isinstance(directories, list)
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assert isinstance(extensions, list)
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skip = [os.path.normpath(i) for i in skip]
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matches = []
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for directory in directories:
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for root, dirnames, filenames in os.walk(directory):
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if root in skip:
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dirnames[:] = [] # Don't recurse further into this directory.
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continue
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for filename in filenames:
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for ext in extensions:
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if filename.endswith(ext):
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matches.append(os.path.join(root, filename))
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break
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return matches
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# The Python equivalent of `rm -rf`.
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def rmtree(directory):
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# On Windows, shutil.rmtree() won't delete files that have a readonly bit.
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# Git creates some files that do. The 'onerror' callback deals with those.
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def rm_readonly(func, path, _):
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os.chmod(path, stat.S_IWRITE)
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func(path)
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shutil.rmtree(directory, onerror=rm_readonly)
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def build_mode(default="debug"):
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if "DENO_BUILD_MODE" in os.environ:
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return os.environ["DENO_BUILD_MODE"]
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elif "--release" in sys.argv:
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return "release"
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else:
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return default
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# E.G. "target/debug"
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def build_path():
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if "DENO_BUILD_PATH" in os.environ:
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return os.environ["DENO_BUILD_PATH"]
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else:
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return os.path.join(root_path, "target", build_mode())
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# Returns True if the expected matches the actual output, allowing variation
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# from actual where expected has the wildcard (e.g. matches /.*/)
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def pattern_match(pattern, string, wildcard="[WILDCARD]"):
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if pattern == wildcard:
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return True
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parts = str.split(pattern, wildcard)
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if len(parts) == 1:
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return pattern == string
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if string.startswith(parts[0]):
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string = string[len(parts[0]):]
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else:
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return False
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for i in range(1, len(parts)):
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if i == (len(parts) - 1):
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if parts[i] == "" or parts[i] == "\n":
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return True
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found = string.find(parts[i])
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if found < 0:
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return False
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string = string[(found + len(parts[i])):]
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return len(string) == 0
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def parse_exit_code(s):
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codes = [int(d or 1) for d in re.findall(r'error(\d*)', s)]
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if len(codes) > 1:
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assert False, "doesn't support multiple error codes."
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elif len(codes) == 1:
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return codes[0]
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else:
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return 0
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# Attempts to enable ANSI escape code support.
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# Returns True if successful, False if not supported.
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def enable_ansi_colors():
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if os.name != 'nt':
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return True # On non-windows platforms this just works.
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elif "CI" in os.environ:
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return True # Ansi escape codes work out of the box on Appveyor.
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return enable_ansi_colors_win10()
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# The windows 10 implementation of enable_ansi_colors.
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def enable_ansi_colors_win10():
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import ctypes
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# Function factory for errcheck callbacks that raise WinError on failure.
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def raise_if(error_result):
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def check(result, _func, args):
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if result == error_result:
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raise ctypes.WinError(ctypes.get_last_error())
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return args
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return check
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# Windows API types.
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from ctypes.wintypes import BOOL, DWORD, HANDLE, LPCWSTR, LPVOID
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LPDWORD = ctypes.POINTER(DWORD)
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# Generic constants.
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NULL = ctypes.c_void_p(0).value
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INVALID_HANDLE_VALUE = ctypes.c_void_p(-1).value
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ERROR_INVALID_PARAMETER = 87
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# CreateFile flags.
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# yapf: disable
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GENERIC_READ = 0x80000000
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GENERIC_WRITE = 0x40000000
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FILE_SHARE_READ = 0x01
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FILE_SHARE_WRITE = 0x02
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OPEN_EXISTING = 3
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# yapf: enable
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# Get/SetConsoleMode flags.
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ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x04
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kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
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# HANDLE CreateFileW(...)
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CreateFileW = kernel32.CreateFileW
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CreateFileW.restype = HANDLE
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CreateFileW.errcheck = raise_if(INVALID_HANDLE_VALUE)
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# yapf: disable
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CreateFileW.argtypes = (LPCWSTR, # lpFileName
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DWORD, # dwDesiredAccess
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DWORD, # dwShareMode
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LPVOID, # lpSecurityAttributes
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DWORD, # dwCreationDisposition
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DWORD, # dwFlagsAndAttributes
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HANDLE) # hTemplateFile
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# yapf: enable
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# BOOL CloseHandle(HANDLE hObject)
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CloseHandle = kernel32.CloseHandle
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CloseHandle.restype = BOOL
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CloseHandle.errcheck = raise_if(False)
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CloseHandle.argtypes = (HANDLE, )
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# BOOL GetConsoleMode(HANDLE hConsoleHandle, LPDWORD lpMode)
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GetConsoleMode = kernel32.GetConsoleMode
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GetConsoleMode.restype = BOOL
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GetConsoleMode.errcheck = raise_if(False)
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GetConsoleMode.argtypes = (HANDLE, LPDWORD)
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# BOOL SetConsoleMode(HANDLE hConsoleHandle, DWORD dwMode)
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SetConsoleMode = kernel32.SetConsoleMode
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SetConsoleMode.restype = BOOL
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SetConsoleMode.errcheck = raise_if(False)
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SetConsoleMode.argtypes = (HANDLE, DWORD)
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# Open the console output device.
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conout = CreateFileW("CONOUT$", GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
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OPEN_EXISTING, 0, 0)
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# Get the current mode.
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mode = DWORD()
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GetConsoleMode(conout, ctypes.byref(mode))
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# Try to set the flag that controls ANSI escape code support.
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try:
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SetConsoleMode(conout, mode.value | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
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except WindowsError as e: # pylint:disable=undefined-variable
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if e.winerror == ERROR_INVALID_PARAMETER:
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return False # Not supported, likely an older version of Windows.
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raise
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finally:
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CloseHandle(conout)
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return True
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def extract_number(pattern, string):
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matches = re.findall(pattern, string)
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if len(matches) != 1:
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return None
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return int(matches[0])
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def extract_max_latency_in_milliseconds(pattern, string):
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matches = re.findall(pattern, string)
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if len(matches) != 1:
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return None
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num = float(matches[0][0])
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unit = matches[0][1]
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if (unit == 'ms'):
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return num
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elif (unit == 'us'):
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return num / 1000
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elif (unit == 's'):
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return num * 1000
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def parse_wrk_output(output):
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stats = {}
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stats['req_per_sec'] = None
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stats['max_latency'] = None
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for line in output.split("\n"):
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if stats['req_per_sec'] is None:
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stats['req_per_sec'] = extract_number(r'Requests/sec:\s+(\d+)',
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line)
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if stats['max_latency'] is None:
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stats['max_latency'] = extract_max_latency_in_milliseconds(
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r'Latency(?:\s+(\d+.\d+)([a-z]+)){3}', line)
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return stats
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def platform():
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return {"linux2": "linux", "darwin": "mac", "win32": "win"}[sys.platform]
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def mkdtemp():
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# On Windows, set the base directory that mkdtemp() uses explicitly. If not,
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# it'll use the short (8.3) path to the temp dir, which triggers the error
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# 'TS5009: Cannot find the common subdirectory path for the input files.'
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temp_dir = os.environ["TEMP"] if os.name == 'nt' else None
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return tempfile.mkdtemp(dir=temp_dir)
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# This function is copied from:
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# https://gist.github.com/hayd/4f46a68fc697ba8888a7b517a414583e
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# https://stackoverflow.com/q/52954248/1240268
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def tty_capture(cmd, bytes_input, timeout=5):
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"""Capture the output of cmd with bytes_input to stdin,
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with stdin, stdout and stderr as TTYs."""
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# pty is not available on windows, so we import it within this function.
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import pty
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mo, so = pty.openpty() # provide tty to enable line-buffering
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me, se = pty.openpty()
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mi, si = pty.openpty()
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fdmap = {mo: 'stdout', me: 'stderr', mi: 'stdin'}
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timeout_exact = time.time() + timeout
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p = subprocess.Popen(
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cmd, bufsize=1, stdin=si, stdout=so, stderr=se, close_fds=True)
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os.write(mi, bytes_input)
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select_timeout = .04 #seconds
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res = {'stdout': b'', 'stderr': b''}
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while True:
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ready, _, _ = select.select([mo, me], [], [], select_timeout)
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if ready:
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for fd in ready:
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data = os.read(fd, 512)
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if not data:
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break
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res[fdmap[fd]] += data
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elif p.poll() is not None or time.time(
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) > timeout_exact: # select timed-out
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break # p exited
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for fd in [si, so, se, mi, mo, me]:
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os.close(fd) # can't do it sooner: it leads to errno.EIO error
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p.wait()
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return p.returncode, res['stdout'], res['stderr']
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