/// <summary>
/// 获得虚拟路径
/// </summary>
/// <param name="localPath">本地路径</param>
/// <returns>返回相对路径，失败返回NULL</returns>
internal string MapLocalPathToVirtualPath(string localDir)
{
if (!localDir.EndsWith(localPathSpliter.ToString()))
{
localDir += localPathSpliter.ToString();
}
if (!HomeDir.EndsWith(localPathSpliter.ToString()))
{
HomeDir += localPathSpliter.ToString();
}
if (localDir == HomeDir)
{
return(Root);
}
else
{
//Unix上的文件名需要大小写匹配
if (localDir.IndexOf(HomeDir) == -1)
{
NetDebuger.PrintErrorMessage(this, "MAP LOCAL DIR:" + localDir + " TO HOME DIR:" + HomeDir + " FAIL");
return(Root);
}
else
{
localDir = localDir.Replace(HomeDir, Root);
//把本地路径的分隔符号，替换为虚拟路径的分隔符号
return(localDir.Replace(new string(localPathSpliter, 1), new string(virtualPathSpliter, 1)).
Replace(new string(virtualPathSpliter, 2), new string(virtualPathSpliter, 1)));
}
}
}
/// <summary>
/// Connects to the FTP server
/// </summary>
public override void Connect()
{
// Init wininet and get the base handle
m_hInternet = WinInet.InternetOpen(
null, // The 'user-agent' making the request
INTERNET_OPEN.TYPE_PRECONFIG, // Use the default proxy settings
null, // proxy name (no proxy)
null, // proxy bypass (no bypass)
0 // Flags for the connection
);
// Validate the connection and throw an exception if necessary
ValidateConnection(m_hInternet);
// Get a FTP handle to use to put files
m_hFtp = WinInet.InternetConnect(
m_hInternet, // The internet connection to use
m_ftpAddress,
m_ftpPort, // The FTP port number
m_userName,
m_passWord,
INTERNET_SERVICE.FTP, // Open the connection for this type of service
FtpConnectionFlags, // FTP Flags
0 // Application Context
);
// Validate the handle and throw an exception if necessary
ValidateConnection(m_hFtp);
//save the home dir
HomeDir = WinInet.GetFtpCurrentDirectory(m_hFtp);
// Set the current directory to the path. If the path is empty, don't set
// the current directory as this is invalid.
if (m_path != "")
{
if (!m_path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
{
string homeDir = HomeDir;
if (!homeDir.EndsWith("/", StringComparison.OrdinalIgnoreCase))
{
homeDir = homeDir + "/";
}
m_path = homeDir + m_path + "/";
}
if (!m_path.EndsWith("/", StringComparison.OrdinalIgnoreCase))
{
//Mindspring's FTP behaves strangely if the current
//directory isn't set with a trailing "/"
m_path += "/";
}
if (!RawDirectoryExists(m_path))
{
if (!(HomeDir != null && HomeDir.StartsWith(m_path, StringComparison.OrdinalIgnoreCase) &&
m_path != "" && m_path.EndsWith("/", StringComparison.OrdinalIgnoreCase)))
{
throw new NoSuchDirectoryException(m_path);
}
}
// Some FTP servers don't let you cwd to /, but we
// still need to use it as our m_path.
//
// ValidateFTPCommand(pushDirectory(m_path));
}
else
{
//remember what the default working directory assigned by the server was.
m_path = HomeDir;
}
}
public override bool Init()
{
Operation init = Begin("Initializing embedded Python interpreter");
if (PythonEngine.IsInitialized && (HomeDir != string.Empty || ModulePath != string.Empty || Args.Count > 0))
{
Error("Python engine is already initialized and cannot be initilaized with another script or aditional arguments.");
init.Cancel();
return(false);
}
string originalDirectory = Directory.GetCurrentDirectory();
try
{
SetVirtualEnvDir();
SetBinDir();
if (binDir.IsNotEmpty())
{
Directory.SetCurrentDirectory(binDir);
}
SetPythonPath();
PythonEngine.Initialize(Args);
}
catch (DllNotFoundException dnfe)
{
if (HomeDir.IsEmpty())
{
Error(dnfe, $"Could not find the system-wide python36 shared library. Add Python 3.6 to your PATH environment variable or use the -P option to set the path to a Python 3.6 interpreter directory.");
}
else
{
Error(dnfe, $"Could not find python36 shared library in {HomeDir}.");
}
}
catch (Exception e)
{
Error(e, "Exception thrown initalizing Python engine.");
}
finally
{
if (Directory.GetCurrentDirectory() != originalDirectory)
{
Directory.SetCurrentDirectory(originalDirectory);
}
}
if (!PythonEngine.IsInitialized)
{
Error("Could not initalize Python engine.");
init.Cancel();
return(false);
}
Info("Python version {0} from {1}.", PythonEngine.Version.Trim(), binDir.IsEmpty() ? Runtime.PythonDLL : Path.Combine(binDir, Runtime.PythonDLL.WithDllExt()));
Modules = GetModules();
Info("{0} Python modules installed.", Modules.Count(m => !m.StartsWith("__")));
HasPipModule = Modules.Contains("pip");
if (!HasPipModule)
{
Warn("Python pip module is not installed.");
}
else
{
PipModules = GetPipModules();
Info("{0} pip modules installed.", PipModules.Count);
}
foreach (string m in RequiredModules)
{
if (!Modules.Contains(m))
{
Error("Python {0} module is not installed.", m);
init.Cancel();
return(false);
}
}
init.Complete();
return(true);
}
