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Added support passing program arguments #4

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a6ca914
Added support passing program arguments
guyluz11 Nov 4, 2022
3df9db7
Updated python default version to 3.10.6
guyluz11 Dec 6, 2022
d93dba2
Errors inside process run will now get shown in the console.
guyluz11 Dec 6, 2022
693a647
Reverting back to python 3.9.13 to test some fix for cffi python paca…
guyluz11 Dec 6, 2022
71e0d94
Updated all packages version
guyluz11 Jan 21, 2023
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19 changes: 11 additions & 8 deletions example/python_shell_example.dart
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import "package:python_shell/python_shell.dart";

void main() async {
// 현재 스타일
// 현재 스타일
// var shell = PythonShell(shellConfig: PythonShellConfig(
// pythonRequires: [ "PySide6" ],
// defaultWorkingDirectory: "example"
Expand All @@ -20,17 +20,20 @@ void main() async {
// }
// ));

var shell = PythonShell(PythonShellConfig());
await shell.initialize();
var shell = PythonShell(PythonShellConfig());
await shell.initialize();

var instance = ShellManager.getInstance("default");
instance.installRequires([ "PySide6" ]);
await instance.runString("""
var instance = ShellManager.getInstance("default");
instance.installRequires(["PySide6"]);
await instance.runString(
"""
import os, PySide6

print("in python: ", os.getcwd())
print("in python: ", PySide6)
""", echo: true);
""",
echo: true,
);

print("finished");
print("finished");
}
48 changes: 23 additions & 25 deletions lib/src/config.dart
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Original file line number Diff line number Diff line change
@@ -1,40 +1,38 @@

import "dart:io";
import "package:path/path.dart" as path;

import "package:path/path.dart" as path;

String appDir = path.join(Platform.environment[Platform.isWindows ? "USERPROFILE" : "HOME"]!, ".python_shell.dart");
String appDir = path.join(
Platform.environment[Platform.isWindows ? "USERPROFILE" : "HOME"]!,
".python_shell.dart");
String tempDir = path.join(appDir, "temp");
String instanceDir = path.join(appDir, "instances");

String defaultPythonVersion = "3.9.13";
String defaultPythonPath = "python3";

String checkPythonVersion(String rawPythonVersion) {
String realPythonVersion = "3.9.13";
String realPythonVersion = "3.9.13";

var versions = rawPythonVersion.split(".");
if (versions.length == 3) {
if (rawPythonVersion.endsWith(".")) {
if (versions.last != "") {
versions.removeLast();
realPythonVersion = versions.join(".");
}
}
else {
realPythonVersion = rawPythonVersion;
}
var versions = rawPythonVersion.split(".");
if (versions.length == 3) {
if (rawPythonVersion.endsWith(".")) {
if (versions.last != "") {
versions.removeLast();
realPythonVersion = versions.join(".");
}
} else {
realPythonVersion = rawPythonVersion;
}
else if (versions.length == 2) {
if (rawPythonVersion.endsWith(".")) {
if (versions.last != "") {
realPythonVersion = "${versions.join(".")}.0";
}
}
else {
realPythonVersion = "$rawPythonVersion.0";
}
} else if (versions.length == 2) {
if (rawPythonVersion.endsWith(".")) {
if (versions.last != "") {
realPythonVersion = "${versions.join(".")}.0";
}
} else {
realPythonVersion = "$rawPythonVersion.0";
}
}

return realPythonVersion;
return realPythonVersion;
}
192 changes: 118 additions & 74 deletions lib/src/python_shell.dart
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Original file line number Diff line number Diff line change
@@ -1,98 +1,142 @@

import "dart:io";

import "package:path/path.dart" as path;
import "package:dio/dio.dart";
import "package:archive/archive_io.dart";
import "package:dio/dio.dart";
import "package:path/path.dart" as path;

import "config.dart" as config;
import "listener.dart";
import "shell/manager.dart";
import "shell/instance.dart";

import "shell/manager.dart";

/// PythonShell Class
class PythonShell {
PythonShell(PythonShellConfig shellConfig);

void clear() => ShellManager.clear();

Future<void> initialize() async {
print("Initializing shell...");
config.defaultPythonVersion = config.checkPythonVersion(config.defaultPythonVersion);
if (!Directory(config.appDir).existsSync()) Directory(config.appDir).createSync();
if (!Directory(config.instanceDir).existsSync()) Directory(config.instanceDir).createSync();
if (!Directory(config.tempDir).existsSync()) Directory(config.tempDir).createSync();

String pythonDir = "";
if (Platform.isWindows) {
print("Check default python binary files...");
pythonDir = path.join(config.appDir, "python");
if (!Directory(pythonDir).existsSync()) {
String pythonBinaryFile = path.join(config.tempDir, "python.zip");
await Dio().download("https://www.python.org/ftp/python/${config.defaultPythonVersion}/python-${config.defaultPythonVersion}-embed-amd64.zip", pythonBinaryFile);
await extractFileToDisk(pythonBinaryFile, pythonDir);
File(pythonBinaryFile).deleteSync();

String pythonPthFile = path.join(pythonDir, "python${config.defaultPythonVersion.replaceAll(".${config.defaultPythonVersion.split(".").last}", "").replaceAll(".", "")}._pth");
File(pythonPthFile).writeAsStringSync(File(pythonPthFile).readAsStringSync().replaceAll("#import site", "import site"));
}
print("Python check finished.");

config.defaultPythonPath = path.join(pythonDir, "python.exe");
}

if (File(config.defaultPythonPath).existsSync()) {
print("Default settings for virtualenv...");
var result = Process.runSync(config.defaultPythonPath, [ "-m", "pip", "install", "pip", "--upgrade" ]);
if (result.stderr.toString().trim() != "") {
String pipInstallFile = path.join(config.tempDir, "get-pip.py");
await Dio().download("https://bootstrap.pypa.io/pip/get-pip.py", pipInstallFile);
Process.runSync(config.defaultPythonPath, [ pipInstallFile ]);
File(pipInstallFile).deleteSync();
}

Process.runSync(config.defaultPythonPath, [ "-m", "pip", "install", "virtualenv", "--upgrade" ]);
print("Virtualenv settings finished.");
}
PythonShell(PythonShellConfig shellConfig);

void clear() => ShellManager.clear();

Future<void> initialize() async {
print("Initializing shell...");
config.defaultPythonVersion =
config.checkPythonVersion(config.defaultPythonVersion);
if (!Directory(config.appDir).existsSync())
Directory(config.appDir).createSync();
if (!Directory(config.instanceDir).existsSync())
Directory(config.instanceDir).createSync();
if (!Directory(config.tempDir).existsSync())
Directory(config.tempDir).createSync();

String pythonDir = "";
if (Platform.isWindows) {
print("Check default python binary files...");
pythonDir = path.join(config.appDir, "python");
if (!Directory(pythonDir).existsSync()) {
String pythonBinaryFile = path.join(config.tempDir, "python.zip");
await Dio().download(
"https://www.python.org/ftp/python/${config.defaultPythonVersion}/python-${config.defaultPythonVersion}-embed-amd64.zip",
pythonBinaryFile);
await extractFileToDisk(pythonBinaryFile, pythonDir);
File(pythonBinaryFile).deleteSync();

String pythonPthFile = path.join(pythonDir,
"python${config.defaultPythonVersion.replaceAll(".${config.defaultPythonVersion.split(".").last}", "").replaceAll(".", "")}._pth");
File(pythonPthFile).writeAsStringSync(File(pythonPthFile)
.readAsStringSync()
.replaceAll("#import site", "import site"));
}
print("Python check finished.");

config.defaultPythonPath = path.join(pythonDir, "python.exe");
}

String defaultEnvDir = path.join(config.instanceDir, "default");
if (!Directory(defaultEnvDir).existsSync()) {
print("Creating default env...");
ShellManager.createInstance(instanceName: "default");
print("Default env created.");
if (File(config.defaultPythonPath).existsSync()) {
print("Default settings for virtualenv...");
var result = Process.runSync(config.defaultPythonPath,
["-m", "pip", "install", "pip", "--upgrade"]);
if (result.exitCode != 0) {
print('Error for result, exist code ${result.exitCode}\n'
'Stdout: ${result.stdout}\nStderr: ${result.stderr}');
}

if (result.stderr.toString().trim() != "") {
String pipInstallFile = path.join(config.tempDir, "get-pip.py");
await Dio().download(
"https://bootstrap.pypa.io/pip/get-pip.py", pipInstallFile);
ProcessResult pipInstallFileProcess =
Process.runSync(config.defaultPythonPath, [pipInstallFile]);
if (pipInstallFileProcess.exitCode != 0) {
print(
'Error for pipInstallFile, exist code ${pipInstallFileProcess.exitCode}\n'
'Stdout: ${pipInstallFileProcess.stdout}\nStderr: ${pipInstallFileProcess.stderr}');
}

print("Shell initialized.");
File(pipInstallFile).deleteSync();
}

ProcessResult virtualEnvUpgrade = Process.runSync(
config.defaultPythonPath,
["-m", "pip", "install", "virtualenv", "--upgrade"]);
if (virtualEnvUpgrade.exitCode != 0) {
print(
'Error for virtualEnvUpgrade, exist code ${virtualEnvUpgrade.exitCode}\n'
'Stdout: ${virtualEnvUpgrade.stdout}\nStderr: ${virtualEnvUpgrade.stderr}');
}

print("Virtualenv settings finished.");
}

Future<void> runFile(String pythonFile, { ShellInstance? instance, String? workingDirectory, ShellListener? listener, bool echo = true }) async {
instance = instance ?? ShellManager.getInstance("default");
await instance.runFile(pythonFile, workingDirectory: workingDirectory, listener: listener, echo: echo);
String defaultEnvDir = path.join(config.instanceDir, "default");
if (!Directory(defaultEnvDir).existsSync()) {
print("Creating default env...");
ShellManager.createInstance(instanceName: "default");
print("Default env created.");
}

Future<void> runString(String pythonCode, { ShellInstance? instance, String? workingDirectory, ShellListener? listener, bool echo = true }) async {
instance = instance ?? ShellManager.getInstance("default");
await instance.runString(pythonCode, workingDirectory: workingDirectory, listener: listener, echo: echo);
}
print("Shell initialized.");
}

Future<void> runFile(
String pythonFile, {
ShellInstance? instance,
String? workingDirectory,
ShellListener? listener,
bool echo = true,
}) async {
instance = instance ?? ShellManager.getInstance("default");
await instance.runFile(pythonFile,
workingDirectory: workingDirectory, listener: listener, echo: echo);
}

Future<void> runString(
String pythonCode, {
List<String> arguments = const [],
ShellInstance? instance,
String? workingDirectory,
ShellListener? listener,
bool echo = true,
}) async {
instance = instance ?? ShellManager.getInstance("default");
await instance.runString(pythonCode,
arguments: arguments,
workingDirectory: workingDirectory,
listener: listener,
echo: echo);
}
}

/// PythonShell Configuration Class
/// * [defaultPythonPath]: Default python path to use
/// * [defaultPythonVersion]: Default python version to use
class PythonShellConfig {

PythonShellConfig({
defaultPythonPath = "python3",
defaultPythonVersion = "3.9.13",
}) {
if ((Platform.isLinux || Platform.isMacOS)) {
if (["python", "python2", "python3"].contains(defaultPythonPath)) {
config.defaultPythonPath = "/usr/bin/$defaultPythonPath";
}
else if (!File(defaultPythonPath).existsSync()) {
config.defaultPythonPath = "/usr/bin/python3";
}
}
PythonShellConfig({
defaultPythonPath = "python3",
defaultPythonVersion = "3.9.13",
}) {
if ((Platform.isLinux || Platform.isMacOS)) {
if (["python", "python2", "python3"].contains(defaultPythonPath)) {
config.defaultPythonPath = "/usr/bin/$defaultPythonPath";
} else if (!File(defaultPythonPath).existsSync()) {
config.defaultPythonPath = "/usr/bin/python3";
}
}
}
}
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