Get rid of shell=True when running commands

Pass arguments as lists or nested lists.
This commit is contained in:
mpeterv 2016-03-28 15:23:57 +03:00
parent 8bf0633eab
commit 7200bebef8

View File

@ -73,21 +73,27 @@ def get_default_cache():
else: else:
return os.path.join(os.getenv("HOME"), ".cache", "hererocks") return os.path.join(os.getenv("HOME"), ".cache", "hererocks")
def quote(command_arg): def exec_command(capture, *args):
return "'" + command_arg.replace("'", "'\"'\"'") + "'" """Execute a command.
def exec_command(capture, *args, **kwargs): Command can be passed as several arguments, each being a string
shell = kwargs.get("shell", True) or a list of strings; lists are flattened.
command = " ".join(args) if shell else args If opts.verbose is True, output of the command is shown.
If the command exits with non-zero, print an error message and exit.
If capture is True, output is returned. Additionally, non-zero exit code
with empty output is ignored.
"""
args = [arg for arglist in args for arg in ([arglist] if isinstance(arglist, str) else arglist)]
if opts.verbose: if opts.verbose:
print("Running {}".format(command)) print("Running {}".format(" ".join(args)))
live_output = opts.verbose and not capture live_output = opts.verbose and not capture
runner = subprocess.check_call if live_output else subprocess.check_output runner = subprocess.check_call if live_output else subprocess.check_output
try: try:
output = runner(command, stderr=subprocess.STDOUT, shell=shell) output = runner(args, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as exception: except subprocess.CalledProcessError as exception:
if capture and not exception.output.strip(): if capture and not exception.output.strip():
# Ignore errors if output is empty. # Ignore errors if output is empty.
@ -97,15 +103,15 @@ def exec_command(capture, *args, **kwargs):
sys.stdout.write(exception.output.decode("UTF-8")) sys.stdout.write(exception.output.decode("UTF-8"))
sys.exit("Error: got exitcode {} from command {}".format( sys.exit("Error: got exitcode {} from command {}".format(
exception.returncode, command)) exception.returncode, args))
if opts.verbose and capture: if opts.verbose and capture:
sys.stdout.write(output.decode("UTF-8")) sys.stdout.write(output.decode("UTF-8"))
return capture and output.decode("UTF-8") return capture and output.decode("UTF-8")
def run_command(*args, **kwargs): def run_command(*args):
exec_command(False, *args, **kwargs) exec_command(False, *args)
def copy_dir(src, dst): def copy_dir(src, dst):
shutil.copytree(src, dst, ignore=lambda _, __: {".git"}) shutil.copytree(src, dst, ignore=lambda _, __: {".git"})
@ -121,7 +127,7 @@ def set_git_branch_accepts_tags():
global git_branch_accepts_tags global git_branch_accepts_tags
if git_branch_accepts_tags is None: if git_branch_accepts_tags is None:
version_output = exec_command(True, "git --version") version_output = exec_command(True, "git", "--version")
match = re.search("(\d+)\.(\d+)\.?(\d*)", version_output) match = re.search("(\d+)\.(\d+)\.?(\d*)", version_output)
if match: if match:
@ -134,23 +140,23 @@ def set_git_branch_accepts_tags():
def git_clone_command(repo, ref, is_cache): def git_clone_command(repo, ref, is_cache):
if is_cache: if is_cache:
# Cache full repos. # Cache full repos.
return "git clone", True return ["git", "clone"], True
# Http(s) transport may be dumb and not understand --depth. # Http(s) transport may be dumb and not understand --depth.
if repo.startswith("http://") or repo.startswith("https://"): if repo.startswith("http://") or repo.startswith("https://"):
if not any(map(repo.startswith, clever_http_git_whitelist)): if not any(map(repo.startswith, clever_http_git_whitelist)):
return "git clone", True return ["git", "clone"], True
# Have to clone whole repo to get a specific commit. # Have to clone whole repo to get a specific commit.
if all(c in string.hexdigits for c in ref): if all(c in string.hexdigits for c in ref):
return "git clone", True return ["git", "clone"], True
set_git_branch_accepts_tags() set_git_branch_accepts_tags()
if git_branch_accepts_tags: if git_branch_accepts_tags:
return "git clone --depth=1 --branch=" + quote(ref), False return ["git", "clone", "--depth=1", "--branch=" + ref], False
else: else:
return "git clone --depth=1", True return ["git", "clone", "--depth=1"], True
def escape_identifier(s): def escape_identifier(s):
return re.sub("[^\w]", "_", s) return re.sub("[^\w]", "_", s)
@ -205,7 +211,7 @@ class Program(object):
# Have to clone the repo to get the commit ref points to. # Have to clone the repo to get the commit ref points to.
self.fetch_repo(ref) self.fetch_repo(ref)
self.commit = exec_command(True, "git rev-parse HEAD").strip() self.commit = exec_command(True, "git", "rev-parse", "HEAD").strip()
self.version_suffix = " @" + self.commit[:7] self.version_suffix = " @" + self.commit[:7]
else: else:
# Local directory. # Local directory.
@ -237,14 +243,14 @@ class Program(object):
# Sync with origin first. # Sync with origin first.
os.chdir(repo_path) os.chdir(repo_path)
if not exec_command(True, "git rev-parse --quiet --verify", quote(ref)): if not exec_command(True, "git", "rev-parse", "--quiet", "--verify", ref):
run_command("git fetch") run_command("git", "fetch")
run_command("git checkout", quote(ref)) run_command("git", "checkout", ref)
# If HEAD is not detached, we are on a branch that must be synced. # If HEAD is not detached, we are on a branch that must be synced.
if exec_command(True, "git symbolic-ref -q HEAD"): if exec_command(True, "git", "symbolic-ref", "-q", "HEAD"):
run_command("git pull --rebase") run_command("git", "pull", "--rebase")
return return
else: else:
@ -253,11 +259,11 @@ class Program(object):
print(message) print(message)
clone_command, need_checkout = git_clone_command(self.repo, ref, not self.fetched) clone_command, need_checkout = git_clone_command(self.repo, ref, not self.fetched)
run_command(clone_command, quote(self.repo), quote(repo_path)) run_command(clone_command, self.repo, repo_path)
os.chdir(repo_path) os.chdir(repo_path)
if need_checkout and ref != "master": if need_checkout and ref != "master":
run_command("git checkout", quote(ref)) run_command("git", "checkout", ref)
def get_download_name(self): def get_download_name(self):
return self.name + "-" + self.fixed_version + ("-win32" if self.win32_zip else "") return self.name + "-" + self.fixed_version + ("-win32" if self.win32_zip else "")
@ -562,32 +568,32 @@ class RioLua(Lua):
def make(self): def make(self):
if self.major_version == "5.3": if self.major_version == "5.3":
cc = "gcc -std=gnu99" cc = ["gcc", "-std=gnu99"]
else: else:
cc = "gcc" cc = "gcc"
if opts.target in ["linux", "freebsd", "macosx"]: if opts.target in ["linux", "freebsd", "macosx"]:
cflags = ["-DLUA_USE_POSIX -DLUA_USE_DLOPEN"] cflags = ["-DLUA_USE_POSIX", "-DLUA_USE_DLOPEN"]
if self.major_version == "5.2": if self.major_version == "5.2":
cflags.append("-DLUA_USE_STRTODHEX -DLUA_USE_AFORMAT -DLUA_USE_LONGLONG") cflags.extend(["-DLUA_USE_STRTODHEX", "-DLUA_USE_AFORMAT", "-DLUA_USE_LONGLONG"])
if not opts.no_readline: if not opts.no_readline:
cflags.append("-DLUA_USE_READLINE") cflags.append("-DLUA_USE_READLINE")
if opts.target == "linux": if opts.target == "linux":
lflags = ["-Wl,-E -ldl"] lflags = ["-Wl,-E", "-ldl"]
if not opts.no_readline: if not opts.no_readline:
if self.major_version == "5.1": if self.major_version == "5.1":
lflags.append("-lreadline -lhistory -lncurses") lflags.extend(["-lreadline", "-lhistory", "-lncurses"])
else: else:
lflags.append("-lreadline") lflags.append("-lreadline")
elif opts.target == "freebsd": elif opts.target == "freebsd":
lflags = [] lflags = []
if not opts.no_readline: if not opts.no_readline:
lflags.append("-Wl,-E -lreadline") lflags.extend(["-Wl,-E", "-lreadline"])
else: else:
lflags = [] lflags = []
cc = "cc" cc = "cc"
@ -603,26 +609,22 @@ class RioLua(Lua):
cflags = [] cflags = []
if opts.cflags is not None: if opts.cflags is not None:
cflags.append(opts.cflags) cflags.extend(opts.cflags.split())
if opts.target == "cl": if opts.target == "cl":
cc = "cl /nologo /MD /O2 /W3 /c /D_CRT_SECURE_NO_DEPRECATE" cc = ["cl", "/nologo", "/MD", "/O2", "/W3", "/c", "/D_CRT_SECURE_NO_DEPRECATE"]
else: else:
cflags.insert(0, "-O2 -Wall -Wextra") cflags = ["-O2", "-Wall", "-Wextra"] + cflags
static_cflags = " ".join(cflags) lflags.append("-lm")
static_cflags = list(cflags)
if opts.target == "mingw": if opts.target == "mingw":
cflags.insert(1, "-DLUA_BUILD_AS_DLL") cflags.insert(3, "-DLUA_BUILD_AS_DLL")
elif opts.target == "cl": elif opts.target == "cl":
cflags.insert(0, "-DLUA_BUILD_AS_DLL") cflags.insert(0, "-DLUA_BUILD_AS_DLL")
cflags = " ".join(cflags)
lflags.append("-lm")
lflags = " ".join(lflags)
os.chdir("src") os.chdir("src")
objs = [] objs = []
luac_objs = ["luac" + objext(), "print" + objext()] luac_objs = ["luac" + objext(), "print" + objext()]
@ -633,40 +635,40 @@ class RioLua(Lua):
obj = base + objext() obj = base + objext()
objs.append(obj) objs.append(obj)
cmd_suffix = src if opts.target == "cl" else ("-c -o " + obj + " " + src) cmd_suffix = src if opts.target == "cl" else ["-c", "-o", obj, src]
run_command(cc, static_cflags if obj in luac_objs else cflags, cmd_suffix) run_command(cc, static_cflags if obj in luac_objs else cflags, cmd_suffix)
lib_objs = [obj_ for obj_ in objs if obj_ not in luac_objs and (obj_ != "lua" + objext())] lib_objs = [obj_ for obj_ in objs if obj_ not in luac_objs and (obj_ != "lua" + objext())]
luac_objs = "luac" + objext() luac_objs = ["luac" + objext()]
if "print" + objext() in objs: if "print" + objext() in objs:
luac_objs += " print" + objext() luac_objs.append("print" + objext())
if opts.target == "cl": if opts.target == "cl":
run_command("link /nologo /out:luac.exe", luac_objs, *lib_objs) run_command("link", "/nologo", "/out:luac.exe", luac_objs, lib_objs)
if os.path.exists("luac.exe.manifest"): if os.path.exists("luac.exe.manifest"):
run_command("mt /nologo -manifest luac.exe.manifest -outputresource:luac.exe") run_command("mt", "/nologo", "-manifest", "luac.exe.manifest", "-outputresource:luac.exe")
else: else:
run_command("ar rcu", self.arch_file, *lib_objs) run_command("ar", "rcu", self.arch_file, lib_objs)
run_command("ranlib", self.arch_file) run_command("ranlib", self.arch_file)
run_command(cc, "-o", self.luac_file, luac_objs, self.arch_file, lflags) run_command(cc, "-o", self.luac_file, luac_objs, self.arch_file, lflags)
if opts.target == "mingw": if opts.target == "mingw":
run_command(cc + " -shared -o", self.dll_file, *lib_objs) run_command(cc, "-shared", "-o", self.dll_file, lib_objs)
run_command("strip --strip-unneeded", self.dll_file) run_command("strip", "--strip-unneeded", self.dll_file)
run_command(cc, "-o", self.lua_file, "-s lua.o", self.dll_file) run_command(cc, "-o", self.lua_file, "-s", "lua.o", self.dll_file)
elif opts.target == "cl": elif opts.target == "cl":
run_command("link /nologo /DLL /out:" + self.dll_file, *lib_objs) run_command("link", "/nologo", "/DLL", "/out:" + self.dll_file, lib_objs)
if os.path.exists(self.dll_file + ".manifest"): if os.path.exists(self.dll_file + ".manifest"):
run_command("mt /nologo -manifest " + self.dll_file + run_command("mt", "/nologo", "-manifest", self.dll_file + ".manifest",
".manifest -outputresource:" + self.dll_file) "-outputresource:" + self.dll_file)
run_command("link /nologo /out:lua.exe lua.obj", self.arch_file) run_command("link", "/nologo", "/out:lua.exe", "lua.obj", self.arch_file)
if os.path.exists("lua.exe.manifest"): if os.path.exists("lua.exe.manifest"):
run_command("mt /nologo -manifest lua.exe.manifest -outputresource:lua.exe") run_command("mt", "/nologo", "-manifest", "lua.exe.manifest", "-outputresource:lua.exe")
else: else:
run_command(cc, "-o", self.lua_file, "lua.o", self.arch_file, lflags) run_command(cc, "-o", self.lua_file, "lua.o", self.arch_file, lflags)
@ -745,10 +747,15 @@ class LuaJIT(Lua):
run_command("msvcbuild.bat") run_command("msvcbuild.bat")
os.chdir("..") os.chdir("..")
else: else:
make = "mingw32-make" if ( if opts.target == "mingw" and program_exists("mingw32-make"):
opts.target == "mingw" and make = "mingw32-make"
program_exists("mingw32-make")) else "make" else:
run_command(make if opts.cflags is None else make + " XCFLAGS=" + quote(opts.cflags)) make = "make"
if opts.cflags is None:
run_command(make)
else:
run_command(make, "XCFLAGS=" + opts.cflags)
def make_install(self): def make_install(self):
luajit_file = exe("luajit") luajit_file = exe("luajit")
@ -850,7 +857,7 @@ class LuaRocks(Program):
lua_binary = os.path.join(opts.location, "bin", exe(lua)) lua_binary = os.path.join(opts.location, "bin", exe(lua))
if is_executable(lua_binary): if is_executable(lua_binary):
return exec_command(True, lua_binary, "-e", return exec_command(True, lua_binary, "-e",
"print(_VERSION:sub(5))", shell=False).strip() "print(_VERSION:sub(5))").strip()
raise "Could not locate the LUA binary!" raise "Could not locate the LUA binary!"
def luarocks_help(self): def luarocks_help(self):
@ -878,14 +885,18 @@ class LuaRocks(Program):
run_command(*args, shell=False) run_command(*args, shell=False)
else: else:
print("Building LuaRocks" + self.version_suffix) print("Building LuaRocks" + self.version_suffix)
run_command("./configure", "--prefix=" + quote(opts.location), run_command("./configure", "--prefix=" + opts.location,
"--with-lua=" + quote(opts.location), "--force-config") "--with-lua=" + opts.location, "--force-config")
run_command("make" if self.is_luarocks_2_0() else "make build")
if self.is_luarocks_2_0():
run_command("make")
else:
run_command("make", "build")
def install(self): def install(self):
if not self.win32_zip: if not self.win32_zip:
print("Installing LuaRocks" + self.version_suffix) print("Installing LuaRocks" + self.version_suffix)
run_command("make install") run_command("make", "install")
def get_manifest_name(): def get_manifest_name():
return os.path.join(opts.location, "hererocks.manifest") return os.path.join(opts.location, "hererocks.manifest")