def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
python类KEY_READ的实例源码
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
def get_machine_id():
global _machine_id
rv = _machine_id
if rv is not None:
return rv
def _generate():
# 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:
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.
from subprocess import Popen, PIPE
try:
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:
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:
return wr.QueryValueEx(rk, 'MachineGuid')[0]
except WindowsError:
pass
_machine_id = rv = _generate()
return rv
