mirror of
https://github.com/denoland/deno.git
synced 2024-12-28 18:19:08 -05:00
295 lines
9.1 KiB
Python
295 lines
9.1 KiB
Python
# Copyright 2018 the Deno authors. All rights reserved. MIT license.
|
|
import os
|
|
import re
|
|
import shutil
|
|
import stat
|
|
import sys
|
|
import subprocess
|
|
|
|
executable_suffix = ".exe" if os.name == "nt" else ""
|
|
root_path = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
|
|
|
|
|
|
def make_env(merge_env={}, env=None):
|
|
if env is None:
|
|
env = os.environ
|
|
env = env.copy()
|
|
for key in merge_env.keys():
|
|
env[key] = merge_env[key]
|
|
return env
|
|
|
|
|
|
def run(args, quiet=False, cwd=None, env=None, merge_env={}):
|
|
args[0] = os.path.normpath(args[0])
|
|
if not quiet:
|
|
print " ".join(args)
|
|
env = make_env(env=env, merge_env=merge_env)
|
|
shell = os.name == "nt" # Run through shell to make .bat/.cmd files work.
|
|
rc = subprocess.call(args, cwd=cwd, env=env, shell=shell)
|
|
if rc != 0:
|
|
sys.exit(rc)
|
|
|
|
|
|
def run_output(args, quiet=False, cwd=None, env=None, merge_env={}):
|
|
args[0] = os.path.normpath(args[0])
|
|
if not quiet:
|
|
print " ".join(args)
|
|
env = make_env(env=env, merge_env=merge_env)
|
|
shell = os.name == "nt" # Run through shell to make .bat/.cmd files work.
|
|
return subprocess.check_output(args, cwd=cwd, env=env, shell=shell)
|
|
|
|
|
|
def shell_quote_win(arg):
|
|
if re.search(r'[\x00-\x20"^%~!@&?*<>|()=]', arg):
|
|
# Double all " quote characters.
|
|
arg = arg.replace('"', '""')
|
|
# Wrap the entire string in " quotes.
|
|
arg = '"' + arg + '"'
|
|
# Double any N backslashes that are immediately followed by a " quote.
|
|
arg = re.sub(r'(\\+)(?=")', r'\1\1', arg)
|
|
return arg
|
|
|
|
|
|
def shell_quote(arg):
|
|
if os.name == "nt":
|
|
return shell_quote_win(arg)
|
|
else:
|
|
# Python 2 has posix shell quoting built in, albeit in a weird place.
|
|
from pipes import quote
|
|
return quote(arg)
|
|
|
|
|
|
def remove_and_symlink(target, name, target_is_dir=False):
|
|
try:
|
|
# On Windows, directory symlink can only be removed with rmdir().
|
|
if os.name == "nt" and os.path.isdir(name):
|
|
os.rmdir(name)
|
|
else:
|
|
os.unlink(name)
|
|
except:
|
|
pass
|
|
symlink(target, name, target_is_dir)
|
|
|
|
|
|
def symlink(target, name, target_is_dir=False):
|
|
if os.name == "nt":
|
|
from ctypes import WinDLL, WinError, GetLastError
|
|
from ctypes.wintypes import BOOLEAN, DWORD, LPCWSTR
|
|
|
|
kernel32 = WinDLL('kernel32', use_last_error=False)
|
|
CreateSymbolicLinkW = kernel32.CreateSymbolicLinkW
|
|
CreateSymbolicLinkW.restype = BOOLEAN
|
|
CreateSymbolicLinkW.argtypes = (LPCWSTR, LPCWSTR, DWORD)
|
|
|
|
# File-type symlinks can only use backslashes as separators.
|
|
target = os.path.normpath(target)
|
|
|
|
# If the symlink points at a directory, it needs to have the appropriate
|
|
# flag set, otherwise the link will be created but it won't work.
|
|
if target_is_dir:
|
|
type_flag = 0x01 # SYMBOLIC_LINK_FLAG_DIRECTORY
|
|
else:
|
|
type_flag = 0
|
|
|
|
# Before Windows 10, creating symlinks requires admin privileges.
|
|
# As of Win 10, there is a flag that allows anyone to create them.
|
|
# Initially, try to use this flag.
|
|
unpriv_flag = 0x02 # SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE
|
|
r = CreateSymbolicLinkW(name, target, type_flag | unpriv_flag)
|
|
|
|
# If it failed with ERROR_INVALID_PARAMETER, try again without the
|
|
# 'allow unprivileged create' flag.
|
|
if not r and GetLastError() == 87: # ERROR_INVALID_PARAMETER
|
|
r = CreateSymbolicLinkW(name, target, type_flag)
|
|
|
|
# Throw if unsuccessful even after the second attempt.
|
|
if not r:
|
|
raise WinError()
|
|
else:
|
|
os.symlink(target, name)
|
|
|
|
|
|
def touch(fname):
|
|
if os.path.exists(fname):
|
|
os.utime(fname, None)
|
|
else:
|
|
open(fname, 'a').close()
|
|
|
|
|
|
# Recursive search for files of certain extensions.
|
|
# (Recursive glob doesn't exist in python 2.7.)
|
|
def find_exts(directory, *extensions):
|
|
matches = []
|
|
for root, dirnames, filenames in os.walk(directory):
|
|
for filename in filenames:
|
|
for ext in extensions:
|
|
if filename.endswith(ext):
|
|
matches.append(os.path.join(root, filename))
|
|
break
|
|
return matches
|
|
|
|
|
|
# The Python equivalent of `rm -rf`.
|
|
def rmtree(directory):
|
|
# On Windows, shutil.rmtree() won't delete files that have a readonly bit.
|
|
# Git creates some files that do. The 'onerror' callback deals with those.
|
|
def rm_readonly(func, path, _):
|
|
os.chmod(path, stat.S_IWRITE)
|
|
func(path)
|
|
|
|
shutil.rmtree(directory, onerror=rm_readonly)
|
|
|
|
|
|
def build_mode(default="debug"):
|
|
if "DENO_BUILD_MODE" in os.environ:
|
|
return os.environ["DENO_BUILD_MODE"]
|
|
else:
|
|
return default
|
|
|
|
|
|
# E.G. "out/debug"
|
|
def build_path():
|
|
if "DENO_BUILD_PATH" in os.environ:
|
|
return os.environ["DENO_BUILD_PATH"]
|
|
else:
|
|
return os.path.join(root_path, "out", build_mode())
|
|
|
|
|
|
# Returns True if the expected matches the actual output, allowing variation
|
|
# from actual where expected has the wildcard (e.g. matches /.*/)
|
|
def pattern_match(pattern, string, wildcard="[WILDCARD]"):
|
|
if len(pattern) == 0:
|
|
return string == 0
|
|
if pattern == wildcard:
|
|
return True
|
|
|
|
parts = str.split(pattern, wildcard)
|
|
|
|
if len(parts) == 1:
|
|
return pattern == string
|
|
|
|
if string.startswith(parts[0]):
|
|
string = string[len(parts[0]):]
|
|
else:
|
|
return False
|
|
|
|
for i in range(1, len(parts)):
|
|
if i == (len(parts) - 1):
|
|
if parts[i] == "" or parts[i] == "\n":
|
|
return True
|
|
found = string.find(parts[i])
|
|
if found < 0:
|
|
return False
|
|
string = string[(found + len(parts[i])):]
|
|
|
|
return len(string) == 0
|
|
|
|
|
|
def parse_exit_code(s):
|
|
codes = [int(d or 1) for d in re.findall(r'error(\d*)', s)]
|
|
if len(codes) > 1:
|
|
assert False, "doesn't support multiple error codes."
|
|
elif len(codes) == 1:
|
|
return codes[0]
|
|
else:
|
|
return 0
|
|
|
|
|
|
# Attempts to enable ANSI escape code support.
|
|
# Returns True if successful, False if not supported.
|
|
def enable_ansi_colors():
|
|
if os.name != 'nt':
|
|
return True # On non-windows platforms this just works.
|
|
elif "CI" in os.environ:
|
|
return True # Ansi escape codes work out of the box on Appveyor.
|
|
|
|
return enable_ansi_colors_win10()
|
|
|
|
|
|
# The windows 10 implementation of enable_ansi_colors.
|
|
def enable_ansi_colors_win10():
|
|
import ctypes
|
|
|
|
# Function factory for errcheck callbacks that raise WinError on failure.
|
|
def raise_if(error_result):
|
|
def check(result, func, args):
|
|
if result == error_result:
|
|
raise ctypes.WinError(ctypes.get_last_error())
|
|
return args
|
|
|
|
return check
|
|
|
|
# Windows API types.
|
|
from ctypes.wintypes import BOOL, DWORD, HANDLE, LPCWSTR, LPVOID
|
|
LPDWORD = ctypes.POINTER(DWORD)
|
|
|
|
# Generic constants.
|
|
NULL = ctypes.c_void_p(0).value
|
|
INVALID_HANDLE_VALUE = ctypes.c_void_p(-1).value
|
|
|
|
# CreateFile flags.
|
|
# yapf: disable
|
|
GENERIC_READ = 0x80000000
|
|
GENERIC_WRITE = 0x40000000
|
|
FILE_SHARE_READ = 0x01
|
|
FILE_SHARE_WRITE = 0x02
|
|
OPEN_EXISTING = 3
|
|
# yapf: enable
|
|
|
|
# Get/SetConsoleMode flags.
|
|
ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x04
|
|
|
|
kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
|
|
|
|
# HANDLE CreateFileW(...)
|
|
CreateFileW = kernel32.CreateFileW
|
|
CreateFileW.restype = HANDLE
|
|
CreateFileW.errcheck = raise_if(INVALID_HANDLE_VALUE)
|
|
# yapf: disable
|
|
CreateFileW.argtypes = (LPCWSTR, # lpFileName
|
|
DWORD, # dwDesiredAccess
|
|
DWORD, # dwShareMode
|
|
LPVOID, # lpSecurityAttributes
|
|
DWORD, # dwCreationDisposition
|
|
DWORD, # dwFlagsAndAttributes
|
|
HANDLE) # hTemplateFile
|
|
# yapf: enable
|
|
|
|
# BOOL CloseHandle(HANDLE hObject)
|
|
CloseHandle = kernel32.CloseHandle
|
|
CloseHandle.restype = BOOL
|
|
CloseHandle.errcheck = raise_if(False)
|
|
CloseHandle.argtypes = (HANDLE, )
|
|
|
|
# BOOL GetConsoleMode(HANDLE hConsoleHandle, LPDWORD lpMode)
|
|
GetConsoleMode = kernel32.GetConsoleMode
|
|
GetConsoleMode.restype = BOOL
|
|
GetConsoleMode.errcheck = raise_if(False)
|
|
GetConsoleMode.argtypes = (HANDLE, LPDWORD)
|
|
|
|
# BOOL SetConsoleMode(HANDLE hConsoleHandle, DWORD dwMode)
|
|
SetConsoleMode = kernel32.SetConsoleMode
|
|
SetConsoleMode.restype = BOOL
|
|
SetConsoleMode.errcheck = raise_if(False)
|
|
SetConsoleMode.argtypes = (HANDLE, DWORD)
|
|
|
|
# Open the console output device.
|
|
conout = CreateFileW("CONOUT$", GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
|
|
OPEN_EXISTING, 0, 0)
|
|
|
|
# Get the current mode.
|
|
mode = DWORD()
|
|
GetConsoleMode(conout, ctypes.byref(mode))
|
|
|
|
# Try to set the flag that controls ANSI escape code support.
|
|
try:
|
|
SetConsoleMode(conout, mode.value | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
|
|
except WindowsError as e:
|
|
if e.winerror == ERROR_INVALID_PARAMETER:
|
|
return False # Not supported, likely an older version of Windows.
|
|
raise
|
|
finally:
|
|
CloseHandle(conout)
|
|
|
|
return True
|