Python-сообщество

# -*- coding: UTF-8 -*-

import wmi

c = wmi.WMI()

f = open('filename.txt', 'wt')
for p in c.Win32_MotherboardDevice():
	for pname in sorted(p.properties.keys()):
		f.write('%s: %s\n' % (pname, getattr(p, pname)))
	f.write('-'*20+'\n')

Traceback (most recent call last):
  File "C:\tmp\wmitest.py", line 10, in <module>
    f.write('%s: %s\n' % (pname, getattr(p, pname)))
UnicodeEncodeError: 'ascii' codec can't encode characters in position 9-19: ordinal not in range(128)

# -*- coding: UTF-8 -*-

import wmi

c = wmi.WMI()

for p in c.Win32_MotherboardDevice():
	for pname in sorted(p.properties.keys()):
		print '%s: %s' % (pname, getattr(p, pname))
	print '-'*20

Availability: None
Caption: Материнская плата
ConfigManagerErrorCode: None
ConfigManagerUserConfig: None
CreationClassName: Win32_MotherBoardDevice
Description: Материнская плата
DeviceID: Motherboard
ErrorCleared: None
ErrorDescription: None
InstallDate: None
LastErrorCode: None
Name: Материнская плата
PNPDeviceID: None
PowerManagementCapabilities: None
PowerManagementSupported: None
PrimaryBusType: PCI
RevisionNumber: None
SecondaryBusType: ISA
Status: None
StatusInfo: None
SystemCreationClassName: Win32_ComputerSystem
SystemName: WIN1

# -*- coding: UTF-8 -*-

import wmi

c = wmi.WMI()

f = open('filename.txt', 'wt')
for p in c.Win32_MotherboardDevice():
	f.write('%s\n' % getattr(p, 'Caption').encode('utf-8'))

# -*- coding: UTF-8 -*-

import wmi

c = wmi.WMI()

f = open('filename.txt', 'wt')
for p in c.Win32_MotherboardDevice():
	for pname in sorted(p.properties.keys()):
		val = getattr(p, pname)
		if type(val) == unicode:
			val = val.encode('utf-8')
		else:
			val = str(val)
		f.write('%s: %s\n' % (pname, val))
	f.write('\n\n')

Traceback (most recent call last):
  File "C:\tmp\wmitest3.py", line 16, in <module>
    f.write('%s: %s\n' % (pname, val))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)

>>> s1 = unicode("string1", "cp1251")
>>> s2 = "string2"
>>> type(s1), type(s2)
(<type 'unicode'>, <type 'str'>)
>>> type("%s" % s1)
<type 'unicode'>
>>> type("%s" % s2)
<type 'str'>
>>> s3 = "%s%s" % (s1, s2)
>>> type(s3)
<type 'unicode'>
>>> type(s3.encode("cp1251"))
<type 'str'>

encoding = "ascii" # Default value set by _PyUnicode_Init()

>>> f = open("test.txt", "w")
>>> f.encoding
>>> import sys
>>> sys.stdout.encoding
'cp1251'

>>> '%s: %s\n' % (unicode("str", "cp1251"), "Обычная строка")
Traceback (most recent call last):
  File "<pyshell#18>", line 1, in <module>
    '%s: %s\n' % (unicode("str", "cp1251"), "Обычная строка")
UnicodeDecodeError: 'ascii' codec can't decode byte 0xce in position 0: ordinal not in range(128)