Patch-overlapping Python context after the fix
src/werkzeug/debug/__init__.py — function:get_machine_id (lines 63-135)
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)
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