private string GetVariableText(TaskInfo info) { string text = info.Text; MatchCollection mc = s_regexOwnData.Matches(text); foreach (Match m in mc) { string s = string.Empty; switch (m.Groups[1].Value.ToUpper()) { case "COUNT": if (!string.IsNullOrEmpty(info.SearchManagerClassName)) { ISearchManager searchManager = ServiceProvider.GetService <IManagerFactory>().GenerateSearchManager(info.SearchManagerClassName, info.SearchManagerClassParams); s = searchManager.GetCount(SearchExpression.Parse(EntityHelper.ReplaceExpression(info.SearchExpression))).ToString(); m_sms[info.Name] = searchManager; } break; case "EXP": string exp = m.Groups[3].Value.Trim(); object ret = PythonHelper.ExecutePythonExpression(exp, null); s = ret == null ? string.Empty : ret.ToString(); break; default: throw new NotSupportedException("Invalid text of " + text); } text = text.Replace(m.Groups[0].Value, s); } return(text); }
/// <summary> /// 执行Python。通过source和是否存在文件自动判别执行类型 /// 如果是文件(.py结尾) /// 首先在Script目录下寻找.py源文件名,再在数据库ResourceInfo中寻找 /// 再在Script目录下寻找单个.py编译成的同名Assembly。 /// 如果还找不到,则在工作目录下找"PythonScript.dll,执行对应方法。 /// 在.py文件中,执行的是execute方法(如果带当前窗口参数,参数是masterForm) /// 如果不是,则按照Statement执行。 /// </summary> /// <param name="source"></param> /// <param name="processParams"></param> /// <returns></returns> public static object TryExecutePython(string source, Dictionary <string, object> processParams) { try { if (source.EndsWith(".py", StringComparison.InvariantCulture)) { string filePath = ServiceProvider.GetService <IApplicationDirectory>().GetLocalResourcePath(source); if (System.IO.File.Exists(filePath)) { return(PythonHelper.ExecutePythonFile(filePath, processParams)); } else { ResourceContent pythonResource = ResourceInfoHelper.ResolveResource(source, ResourceType.PythonSource); if (pythonResource != null) { switch (pythonResource.Type) { case ResourceContentType.File: return(PythonHelper.ExecutePythonFile(pythonResource.Content.ToString(), processParams)); case ResourceContentType.String: return(PythonHelper.ExecutePythonStatement(pythonResource.Content.ToString(), processParams)); default: throw new NotSupportedException("Invalid Resource Content Type!"); } } else { string singleAssemblyPath = System.IO.Path.ChangeExtension(filePath, ".dll"); if (System.IO.File.Exists(singleAssemblyPath)) { return(PythonHelper.ExecutePythonAssembly(singleAssemblyPath, System.IO.Path.GetFileName(filePath), processParams)); } else { string combileAssemblyPath = System.IO.Path.Combine(ServiceProvider.GetService <IApplicationDirectory>().GetMainDirectory(), s_pythonCompiledAssembly); if (System.IO.File.Exists(combileAssemblyPath)) { return(PythonHelper.ExecutePythonAssembly(combileAssemblyPath, System.IO.Path.GetFileName(filePath), processParams)); } else { return(null); } } } } } else { if (source.Contains("result = ")) { return(PythonHelper.ExecutePythonStatement(source, processParams)); } else { return(PythonHelper.ExecutePythonExpression(source, processParams)); } } } catch (Exception ex) { throw new ArgumentException(string.Format("Python source {0} is invalid!", source), ex); } }