Example #1
0
        public static object ReloadModule(CodeContext /*!*/ context, PythonModule /*!*/ module)
        {
            PythonContext pc = context.LanguageContext;

            // We created the module and it only contains Python code. If the user changes
            // __file__ we'll reload from that file.
            string fileName = module.GetFile() as string;

            // built-in module:
            if (fileName == null)
            {
                ReloadBuiltinModule(context, module);
                return(module);
            }

            string name = module.GetName();

            if (name != null)
            {
                PythonList path = null;
                // find the parent module and get it's __path__ property
                int dotIndex = name.LastIndexOf('.');
                if (dotIndex != -1)
                {
                    PythonModule parentModule;
                    path = GetParentPathAndModule(context, name.Substring(0, dotIndex), out parentModule);
                }

                object reloaded;
                if (TryLoadMetaPathModule(context, module.GetName() as string, path, out reloaded) && reloaded != null)
                {
                    return(module);
                }

                PythonList sysPath;
                if (context.LanguageContext.TryGetSystemPath(out sysPath))
                {
                    object ret = ImportFromPathHook(context, name, name, sysPath, null);
                    if (ret != null)
                    {
                        return(ret);
                    }
                }
            }

            if (!pc.DomainManager.Platform.FileExists(fileName))
            {
                throw PythonOps.SystemError("module source file not found");
            }

            var sourceUnit = pc.CreateFileUnit(fileName, pc.DefaultEncoding, SourceCodeKind.File);

            pc.GetScriptCode(sourceUnit, name, ModuleOptions.None, Compiler.CompilationMode.Lookup).Run(module.Scope);
            return(module);
        }
Example #2
0
        private static PythonModule LoadModuleFromSource(CodeContext /*!*/ context, string /*!*/ name, string /*!*/ path)
        {
            Assert.NotNull(context, name, path);

            PythonContext pc = context.LanguageContext;

            string fullPath = GetFullPathAndValidateCase(pc, path, false);

            if (fullPath == null || !pc.DomainManager.Platform.FileExists(fullPath))
            {
                return(null);
            }

            SourceUnit sourceUnit = pc.CreateFileUnit(fullPath, pc.DefaultEncoding, SourceCodeKind.File);

            return(LoadFromSourceUnit(context, sourceUnit, name, sourceUnit.Path));
        }
Example #3
0
 private static Scope/*!*/ LoadPackageDirectory(PythonContext/*!*/ context, string moduleName, string path) {
     string initPath = Path.Combine(path, "__init__.py");
     
     SourceUnit sourceUnit =  context.CreateFileUnit(initPath, context.DefaultEncoding);
     return context.CompileModule(initPath, moduleName, sourceUnit, ModuleOptions.Initialize).Scope;
 }
Example #4
0
        /// <summary>
        /// Provides a helper for compiling a group of modules into a single assembly.  The assembly can later be
        /// reloaded using the clr.AddReference API.
        /// </summary>
        public static void CompileModules(CodeContext /*!*/ context, string /*!*/ assemblyName, [ParamDictionary] IDictionary <string, object> kwArgs, params string /*!*/[] /*!*/ filenames)
        {
            ContractUtils.RequiresNotNull(assemblyName, "assemblyName");
            ContractUtils.RequiresNotNullItems(filenames, "filenames");

            PythonContext pc = PythonContext.GetContext(context);

            for (int i = 0; i < filenames.Length; i++)
            {
                filenames[i] = Path.GetFullPath(filenames[i]);
            }

            Dictionary <string, string> packageMap = BuildPackageMap(filenames);

            List <SavableScriptCode> code = new List <SavableScriptCode>();

            foreach (string filename in filenames)
            {
                if (!pc.DomainManager.Platform.FileExists(filename))
                {
                    throw PythonOps.IOError("Couldn't find file for compilation: {0}", filename);
                }

                ScriptCode sc;

                string modName;
                string dname       = Path.GetDirectoryName(filename);
                string outFilename = "";
                if (Path.GetFileName(filename) == "__init__.py")
                {
                    // remove __init__.py to get package name
                    dname = Path.GetDirectoryName(dname);
                    if (String.IsNullOrEmpty(dname))
                    {
                        modName = Path.GetDirectoryName(filename);
                    }
                    else
                    {
                        modName = Path.GetFileNameWithoutExtension(Path.GetDirectoryName(filename));
                    }
                    outFilename = Path.DirectorySeparatorChar + "__init__.py";
                }
                else
                {
                    modName = Path.GetFileNameWithoutExtension(filename);
                }

                // see if we have a parent package, if so incorporate it into
                // our name
                string parentPackage;
                if (packageMap.TryGetValue(dname, out parentPackage))
                {
                    modName = parentPackage + "." + modName;
                }

                outFilename = modName.Replace('.', Path.DirectorySeparatorChar) + outFilename;

                SourceUnit su = pc.CreateSourceUnit(
                    new FileStreamContentProvider(
                        context.LanguageContext.DomainManager.Platform,
                        filename
                        ),
                    outFilename,
                    pc.DefaultEncoding,
                    SourceCodeKind.File
                    );

                sc = PythonContext.GetContext(context).GetScriptCode(su, modName, ModuleOptions.Initialize, Compiler.CompilationMode.ToDisk);

                code.Add((SavableScriptCode)sc);
            }

            object mainModule;

            if (kwArgs != null && kwArgs.TryGetValue("mainModule", out mainModule))
            {
                string strModule = mainModule as string;
                if (strModule != null)
                {
                    if (!pc.DomainManager.Platform.FileExists(strModule))
                    {
                        throw PythonOps.IOError("Couldn't find main file for compilation: {0}", strModule);
                    }

                    SourceUnit su = pc.CreateFileUnit(strModule, pc.DefaultEncoding, SourceCodeKind.File);
                    code.Add((SavableScriptCode)PythonContext.GetContext(context).GetScriptCode(su, "__main__", ModuleOptions.Initialize, Compiler.CompilationMode.ToDisk));
                }
            }

            SavableScriptCode.SaveToAssembly(assemblyName, code.ToArray());
        }