# Patch-overlapping Python context after the fix ## `src/werkzeug/debug/__init__.py` — `function:get_machine_id` (lines 63-135) ```python def get_machine_id(): global _machine_id rv = _machine_id if rv is not None: return rv def _generate(): # docker containers share the same machine id, get the # container id instead try: with open("/proc/self/cgroup") as f: value = f.readline() except IOError: pass else: value = value.strip().partition("/docker/")[2] if value: return value # Potential sources of secret information on linux. The machine-id # is stable across boots, the boot id is not for filename in "/etc/machine-id", "/proc/sys/kernel/random/boot_id": try: with open(filename, "rb") as f: return f.readline().strip() except IOError: continue # On OS X we can use the computer's serial number assuming that # ioreg exists and can spit out that information. try: # Also catch import errors: subprocess may not be available, e.g. # Google App Engine # See https://github.com/pallets/werkzeug/issues/925 from subprocess import Popen, PIPE dump = Popen( ["ioreg", "-c", "IOPlatformExpertDevice", "-d", "2"], stdout=PIPE ).communicate()[0] match = re.search(b'"serial-number" = <([^>]+)', dump) if match is not None: return match.group(1) except (OSError, ImportError): pass # On Windows we can use winreg to get the machine guid wr = None try: import winreg as wr except ImportError: try: import _winreg as wr except ImportError: pass if wr is not None: try: with wr.OpenKey( wr.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Cryptography", 0, wr.KEY_READ | wr.KEY_WOW64_64KEY, ) as rk: machineGuid, wrType = wr.QueryValueEx(rk, "MachineGuid") if wrType == wr.REG_SZ: return machineGuid.encode("utf-8") else: return machineGuid except WindowsError: pass _machine_id = rv = _generate() return rv ``` ## `src/werkzeug/debug/__init__.py` — `function:get_machine_id._generate` (lines 69-132) ```python def _generate(): # docker containers share the same machine id, get the # container id instead try: with open("/proc/self/cgroup") as f: value = f.readline() except IOError: pass else: value = value.strip().partition("/docker/")[2] if value: return value # Potential sources of secret information on linux. The machine-id # is stable across boots, the boot id is not for filename in "/etc/machine-id", "/proc/sys/kernel/random/boot_id": try: with open(filename, "rb") as f: return f.readline().strip() except IOError: continue # On OS X we can use the computer's serial number assuming that # ioreg exists and can spit out that information. try: # Also catch import errors: subprocess may not be available, e.g. # Google App Engine # See https://github.com/pallets/werkzeug/issues/925 from subprocess import Popen, PIPE dump = Popen( ["ioreg", "-c", "IOPlatformExpertDevice", "-d", "2"], stdout=PIPE ).communicate()[0] match = re.search(b'"serial-number" = <([^>]+)', dump) if match is not None: return match.group(1) except (OSError, ImportError): pass # On Windows we can use winreg to get the machine guid wr = None try: import winreg as wr except ImportError: try: import _winreg as wr except ImportError: pass if wr is not None: try: with wr.OpenKey( wr.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Cryptography", 0, wr.KEY_READ | wr.KEY_WOW64_64KEY, ) as rk: machineGuid, wrType = wr.QueryValueEx(rk, "MachineGuid") if wrType == wr.REG_SZ: return machineGuid.encode("utf-8") else: return machineGuid except WindowsError: pass ```