def process_tag(hive_name, company, company_key, tag, default_arch):
with winreg.OpenKeyEx(company_key, tag) as tag_key:
major, minor = load_version_data(hive_name, company, tag, tag_key)
if major is None:
return
arch = load_arch_data(hive_name, company, tag, tag_key, default_arch)
exe, args = load_exe(hive_name, company, company_key, tag)
if exe is not None:
name = "python" if company == "PythonCore" else company
yield PythonSpec(name, major, minor, arch, exe, args)
def process_set(hive, hive_name, key, flags, default_arch):
try:
with winreg.OpenKeyEx(hive, key, 0,
winreg.KEY_READ | flags) as root_key:
for company in enum_keys(root_key):
if company == "PyLauncher": # reserved
continue
for spec in process_company(hive_name, company, root_key,
default_arch):
yield spec
except OSError:
pass
def load_exe(hive_name, company, company_key, tag):
key_path = "{}/{}/{}".format(hive_name, company, tag)
try:
with winreg.OpenKeyEx(company_key,
r"{}\InstallPath".format(tag)) as ip_key:
with ip_key:
exe = get_value(ip_key, "ExecutablePath")
if exe is None:
ip = get_value(ip_key, None)
if ip is None:
msg(key_path, "no ExecutablePath or default for it")
else:
exe = os.path.join(ip, "python.exe")
if os.path.exists(exe):
args = get_value(ip_key, "ExecutableArguments")
return exe, args
else:
msg(key_path, "exe does not exists {}".format(exe))
except OSError:
msg("{}/{}".format(key_path, "InstallPath"), "missing")
return None, None
def process_company(hive_name, company, root_key, default_arch):
with winreg.OpenKeyEx(root_key, company) as company_key:
for tag in enum_keys(company_key):
for spec in process_tag(hive_name, company, company_key, tag,
default_arch):
yield spec