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  2. 函数列表
  3. setuptools.extern.six.moves.winreg.QueryInfoKey()

Python setuptools.extern.six.moves.winreg 模块，QueryInfoKey() 实例源码

我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用setuptools.extern.six.moves.winreg.QueryInfoKey()。

项目：python-    作者：secondtonone1    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：my-first-blog    作者：AnkurBegining    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：swjtu-pyscraper    作者：Desgard    | 项目源码 | 文件源码 
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)
项目：jira_worklog_scanner    作者：pgarneau    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：Sci-Finder    作者：snverse    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：Sci-Finder    作者：snverse    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：ascii-art-py    作者：blinglnav    | 项目源码 | 文件源码 
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)
项目：aws-cfn-plex    作者：lordmuffin    | 项目源码 | 文件源码 
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)
项目：RPoint    作者：george17-meet    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：AshsSDK    作者：thehappydinoa    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：habilitacion    作者：GabrielBD    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：flickr_downloader    作者：Denisolt    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：threatdetectionservice    作者：flyballlabs    | 项目源码 | 文件源码 
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)
项目：Indushell    作者：SecarmaLabs    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：SHAREOpenRefineWkshop    作者：cmh2166    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：Liljimbo-Chatbot    作者：chrisjim316    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：leetcode    作者：thomasyimgit    | 项目源码 | 文件源码 
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)
项目：flask_system    作者：prashasy    | 项目源码 | 文件源码 
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)
项目：news-for-good    作者：thecodinghub    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：CaScale    作者：Thatsillogical    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：ShelbySearch    作者：Agentscreech    | 项目源码 | 文件源码 
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)
项目：where2live    作者：fbessez    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：pyetje    作者：rorlika    | 项目源码 | 文件源码 
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)
项目：respeaker_virtualenv    作者：respeaker    | 项目源码 | 文件源码 
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)
项目：Problematica-public    作者：TechMaz    | 项目源码 | 文件源码 
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)
项目：bawk    作者：jttwnsnd    | 项目源码 | 文件源码 
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)
项目：infinite-lorem-ipsum    作者：patjm1992    | 项目源码 | 文件源码 
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)
项目：fieldsight-kobocat    作者：awemulya    | 项目源码 | 文件源码 
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)
项目：covar_me_app    作者：CovarMe    | 项目源码 | 文件源码 
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)
项目：wttd-dojo    作者：diegosorrilha    | 项目源码 | 文件源码 
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)
项目：wttd-dojo    作者：diegosorrilha    | 项目源码 | 文件源码 
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)
项目：python-beginner-tutorial    作者：mak1323    | 项目源码 | 文件源码 
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)
项目：WebAct    作者：CreatCodeBuild    | 项目源码 | 文件源码 
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)
项目：infiblog    作者：RajuKoushik    | 项目源码 | 文件源码 
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)
项目：bang_pivotal    作者：thealanberman    | 项目源码 | 文件源码 
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)
项目：yml2json    作者：neo1104    | 项目源码 | 文件源码 
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)
项目：ASE-Fall2016    作者：Dai0526    | 项目源码 | 文件源码 
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)
项目：APIGateway    作者：n89nanda    | 项目源码 | 文件源码 
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)
项目：mibici-tools    作者：regenhans    | 项目源码 | 文件源码 
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 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)
项目：webapp    作者：superchilli    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：talk-to-obama    作者：krrishd    | 项目源码 | 文件源码 
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)
项目：metrics    作者：Jeremy-Friedman    | 项目源码 | 文件源码 
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 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)
项目：metrics    作者：Jeremy-Friedman    | 项目源码 | 文件源码 
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 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)
项目：projeto    作者：BarmyPenguin    | 项目源码 | 文件源码 
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 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)
项目：SenateCaller    作者：tcash21    | 项目源码 | 文件源码 
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)
项目：setuptools    作者：pypa    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：ieee-cs-txst    作者：codestar12    | 项目源码 | 文件源码 
def find_available_vc_vers(self):
        """
        Find all available Microsoft Visual C++ versions.
        """
        ms = self.ri.microsoft
        vckeys = (self.ri.vc, self.ri.vc_for_python, self.ri.vs)
        vc_vers = []
        for hkey in self.ri.HKEYS:
            for key in vckeys:
                try:
                    bkey = winreg.OpenKey(hkey, ms(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)
项目：deliver    作者：orchestor    | 项目源码 | 文件源码 
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)
项目：PhotoHunt    作者：sara    | 项目源码 | 文件源码 
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)
项目：Salonniere    作者：txizzle    | 项目源码 | 文件源码 
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)