def find_available_vc_vers(self):
"""
Find all available Microsoft Visual C++ versions.
"""
vckeys = (self.ri.vc, self.ri.vc_for_python)
vc_vers = []
for hkey in self.ri.HKEYS:
for key in vckeys:
try:
bkey = winreg.OpenKey(hkey, key, 0, winreg.KEY_READ)
except (OSError, IOError):
continue
subkeys, values, _ = winreg.QueryInfoKey(bkey)
for i in range(values):
try:
ver = float(winreg.EnumValue(bkey, i)[0])
if ver not in vc_vers:
vc_vers.append(ver)
except ValueError:
pass
for i in range(subkeys):
try:
ver = float(winreg.EnumKey(bkey, i))
if ver not in vc_vers:
vc_vers.append(ver)
except ValueError:
pass
return sorted(vc_vers)
def list():
"""Return a list of all time zones known to the system."""
with winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) as handle:
with winreg.OpenKey(handle, TZKEYNAME) as tzkey:
result = [winreg.EnumKey(tzkey, i)
for i in range(winreg.QueryInfoKey(tzkey)[0])]
return result
def enum_keys(handle):
for i in range(2**10):
try:
yield winreg.EnumKey(handle, i)
except WindowsError as e:
if e.winerror != 259:
raise
return
def enum_keys(key):
at = 0
while True:
try:
yield winreg.EnumKey(key, at)
except OSError:
break
at += 1
def list():
"""Return a list of all time zones known to the system."""
handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE)
tzkey = winreg.OpenKey(handle, TZKEYNAME)
result = [winreg.EnumKey(tzkey, i)
for i in range(winreg.QueryInfoKey(tzkey)[0])]
tzkey.Close()
handle.Close()
return result
def get_acroversion():
" Return version of Adobe Acrobat executable or None"
from six.moves import winreg
adobesoft = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r'Software\Adobe')
for index in range(winreg.QueryInfoKey(adobesoft)[0]):
key = winreg.EnumKey(adobesoft, index)
if "acrobat" in key.lower():
acrokey = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE,
'Software\\Adobe\\%s' % key)
for index in range(winreg.QueryInfoKey(acrokey)[0]):
numver = winreg.EnumKey(acrokey, index)
try:
res = winreg.QueryValue(
winreg.HKEY_LOCAL_MACHINE,
'Software\\Adobe\\%s\\%s\\InstallPath' % (key, numver))
return res
except Exception:
pass
return None
