def _get_tool(name, version):
# None: not cached yet
# False = tool not available, legally skipped
# True = tool not available, test error
# (path, env) = tool available
cached = _cached_tools.setdefault(name, {}).get(version)
if cached is None:
tool = tools_locations.get(name, {})
if tool.get("disabled"):
_cached_tools[name][version] = False
return False
tool_platform = platform.system()
if tool.get("platform", tool_platform) != tool_platform:
_cached_tools[name][version] = None, None
return None, None
exe = tool.get("exe", name)
version = version or tool.get("default")
tool_version = tool.get(version)
if tool_version is not None:
assert isinstance(tool_version, dict)
if tool_version.get("disabled"):
_cached_tools[name][version] = False
return False
tool_path = tool_version.get("path", {}).get(tool_platform)
else:
if version is not None: # if the version is specified, it should be in the conf
_cached_tools[name][version] = True
return True
tool_path = None
try:
tool_env = tools_environments[name][tool_platform]
except KeyError:
tool_env = None
cached = tool_path, tool_env
# Check this particular tool is installed
if name == "visual_studio":
if not vswhere(): # TODO: Missing version detection
cached = True
else: # which based detection
old_environ = None
if tool_path is not None:
old_environ = dict(os.environ)
os.environ[
"PATH"] = tool_path + os.pathsep + os.environ["PATH"]
if not which(
exe): # TODO: This which doesn't detect version either
cached = True
if old_environ is not None:
os.environ.clear()
os.environ.update(old_environ)
_cached_tools[name][version] = cached
return cached
'file',
'git',
'svn',
'compiler',
'conan', # Search the tool_conan test that needs conan itself
]
if not which("cmake"):
tools_available.remove("cmake")
if not which("gcc"):
tools_available.remove("gcc")
if not which("clang"):
tools_available.remove("clang")
try:
if not vswhere():
tools_available.remove("visual_studio")
except ConanException:
tools_available.remove("visual_studio")
if not any(
[x for x in ("gcc", "clang", "visual_studio") if x in tools_available]):
tools_available.remove("compiler")
if not which("xcodebuild"):
tools_available.remove("xcode")
if not which("file"):
tools_available.remove("file")
if not which("git"):