我正在尝试编写一个OpenDyslexic字体的安装程序。我已经在https://github.com/kirbyfan64/OpenDyslexic-Installer上有一个Linux版本，但是Windows版本(显然)目前还不太好用。这是UAC问题吗？我想不出别的办法了。有两个奇怪的部分：程序正在通过else子句和filecmp找到了第一个文件。我有一种感觉，执行else是因为与filecmp问题相同的问题。在

代码："""This work is licensed under the

Creative Commons Attribution-

NonCommercial-ShareAlike 3.0 Unported

License. To view a copy of this license, visit

http://creativecommons.org/licenses/by-nc-sa/3.0/

or send a letter to Creative Commons,

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California, 94041, USA."""

import urllib

import os

import os.path

import shutil

import filecmp

import sys

def fcheck(filename):

try:

with open(filename) as f:

return True

except IOError:

return False

homedir = os.environ['SystemRoot']

tempdir = os.environ['TEMP']

fontsdir = homedir + r'\Fonts'

installcheck = fontsdir + r'\OpenDyslexic-Regular.otf'

dpath = tempdir + r'\OpenDyslexic-Regular.otf'

dpath2 = tempdir + r'\OpenDyslexic-Bold.otf'

dpath3 = tempdir + r'\OpenDyslexic-Italic.otf'

dpath4 = tempdir + r'\OpenDyslexic-BoldItalic.otf'

print 'OpenDyslexic Installer Beta 1'

print ''

raw_input ('Press enter to install OpenDyslexic')

urllib.urlretrieve ('https://github.com/antijingoist/open-dyslexic/raw/master/otf/OpenDyslexic-Regular.otf', dpath)

urllib.urlretrieve ('https://github.com/antijingoist/open-dyslexic/raw/master/otf/OpenDyslexic-Bold.otf', dpath2)

urllib.urlretrieve ('https://github.com/antijingoist/open-dyslexic/raw/master/otf/OpenDyslexic-Italic.otf', dpath3)

urllib.urlretrieve ('https://github.com/antijingoist/open-dyslexic/raw/master/otf/OpenDyslexic-BoldItalic.otf', dpath4)

ifinstall = fcheck(installcheck)

if ifinstall == True:

updcheck = 0

originstall = fontsdir + r'\OpenDyslexic-Regular.otf'

originstall2 = fontsdir + r'\OpenDyslexic-Bold.otf'

originstall3 = fontsdir + r'\OpenDyslexic-Italic.otf'

originstall4 = fontsdir + r'\OpenDyslexic-BoldItalic.otf'

newupdate = filecmp.cmp(dpath, originstall)

newupdate2 = filecmp.cmp(dpath2, originstall2)

newupdate3 = filecmp.cmp(dpath3, originstall3)

newupdate4 = filecmp.cmp(dpath4, originstall4)

if newupdate == False:

updcheck = updcheck + 1

if newupdate2 == False:

updcheck = updcheck + 1

if newupdate3 == False:

updcheck = updcheck + 1

if newupdate4 == False:

updcheck = updcheck + 1

if updcheck != 0:

raw_input ('Update Avalible. Press Enter to install.')

os.remove(originstall)

os.remove(originstall2)

os.remove(originstall3)

os.remove(originstall4)

shutil.copyfile(dpath, originstall)

shutil.copyfile(dpath2, originstall2)

shutil.copyfile(dpath3, originstall3)

shutil.copyfile(dpath4, originstall4)

tst1 = fcheck(originstall)

tst2 = fcheck(originstall2)

tst3 = fcheck(originstall3)

tst4 = fcheck(originstall4)

tst5 = 0

if tst1 == False:

tst5 = tst5 + 1

if tst2 == False:

tst5 = tst5 + 1

if tst3 == False:

tst5 = tst5 + 1

if tst4 == False:

tst5 = tst5 + 1

if tst5 != 0:

if tst1 == True:

os.remove(originstall)

if tst2 == True:

os.remove(originstall2)

if tst3 == True:

os.remove(originstall3)

if tst4 == True:

os.remove(originstall4)

raw_input ('Installation Unsuccesful. Press Enter to exit.')

sys.exit()

os.remove(dpath)

os.remove(dpath2)

os.remove(dpath3)

os.remove(dpath4)

raw_input ('Installation Succesful. Press Enter to exit.')

sys.exit()

else:

os.remove(dpath)

os.remove(dpath2)

os.remove(dpath3)

os.remove(dpath4)

raw_input ('No Update Avalible. Press Enter to exit.')

sys.exit()

else:

originstall = homedir + r'\Fonts\OpenDyslexic-Regular.otf'

originstall2 = homedir + r'\Fonts\OpenDyslexic-Bold.otf'

originstall3 = homedir + r'\Fonts\OpenDyslexic-Italic.otf'

originstall4 = homedir + r'\Fonts\OpenDyslexic-BoldItalic.otf'

newupdate = filecmp.cmp(dpath, originstall)

newupdate2 = filecmp.cmp(dpath2, originstall2)

newupdate3 = filecmp.cmp(dpath3, originstall3)

newupdate4 = filecmp.cmp(dpath4, originstall4)

shutil.copyfile(dpath, originstall)

shutil.copyfile(dpath2, originstall2)

shutil.copyfile(dpath3, originstall3)

shutil.copyfile(dpath4, originstall4)

tst1 = fcheck(originstall)

tst2 = fcheck(originstall2)

tst3 = fcheck(originstall3)

tst4 = fcheck(originstall4)

tst5 = 0

if tst1 == False:

tst5 = tst5 + 1

if tst2 == False:

tst5 = tst5 + 1

if tst3 == False:

tst5 = tst5 + 1

if tst4 == False:

tst5 = tst5 + 1

if tst5 != 0:

if tst1 == True:

os.remove(originstall)

if tst2 == True:

os.remove(originstall2)

if tst3 == True:

os.remove(originstall3)

if tst4 == True:

os.remove(originstall4)

raw_input ('Installation Unsuccesful. Press Enter to exit.')

sys.exit()

os.remove(dpath)

os.remove(dpath2)

os.remove(dpath3)

os.remove(dpath4)

raw_input ('Installation Succesful. Press Enter to exit.')

sys.exit()

错误：

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