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flet-build-template
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Added support for developer mode

This commit is contained in:
Feodor Fitsner 2025-01-15 11:18:29 -08:00
parent f1c0d7501a
commit a6e46c8db1
7 changed files with 158 additions and 132 deletions
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154
{{cookiecutter.out_dir}}/lib/main.dart
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@ -12,6 +12,8 @@ import 'package:serious_python/serious_python.dart';
import 'package:url_strategy/url_strategy.dart';
import 'package:window_manager/window_manager.dart';
import "python.dart";
{% for dep in cookiecutter.flutter.dependencies %}
import 'package:{{ dep }}/{{ dep }}.dart' as {{ dep }};
{% endfor %}
@ -23,7 +25,6 @@ const pythonModuleName = "{{ cookiecutter.python_module_name }}";
final hideLoadingPage =
bool.tryParse("{{ cookiecutter.hide_loading_animation }}".toLowerCase()) ??
true;
const errorExitCode = 100;
List<CreateControlFactory> createControlFactories = [
{% for dep in cookiecutter.flutter.dependencies %}
@ -31,127 +32,17 @@ List<CreateControlFactory> createControlFactories = [
{% endfor %}
];
const pythonScript = """
import certifi, os, runpy, socket, sys, traceback
os.environ["REQUESTS_CA_BUNDLE"] = certifi.where()
os.environ["SSL_CERT_FILE"] = certifi.where()
# fix for cryptography package
os.environ["CRYPTOGRAPHY_OPENSSL_NO_LEGACY"] = "1"
# fix for: https://github.com/flet-dev/serious-python/issues/85#issuecomment-2065000974
os.environ["OPENBLAS_NUM_THREADS"] = "1"
def initialize_ctypes():
import ctypes.util
import os
import pathlib
import sys
android_native_lib_dir = os.getenv("ANDROID_NATIVE_LIBRARY_DIR")
def find_library_override_imp(name: str):
if name is None:
return None
if pathlib.Path(name).exists():
return name
if sys.platform == "ios":
for lf in [
f"Frameworks/{name}.framework/{name}",
f"Frameworks/lib{name}.framework/lib{name}",
]:
lib_path = pathlib.Path(sys.executable).parent.joinpath(lf)
if lib_path.exists():
return str(lib_path)
elif android_native_lib_dir:
for lf in [f"lib{name}.so", f"{name}.so", name]:
lib_path = pathlib.Path(android_native_lib_dir).joinpath(lf)
if lib_path.exists():
return str(lib_path)
return None
find_library_original = ctypes.util.find_library
def find_library_override(name):
return find_library_override_imp(name) or find_library_original(name)
ctypes.util.find_library = find_library_override
CDLL_init_original = ctypes.CDLL.__init__
def CDLL_init_override(self, name, *args, **kwargs):
CDLL_init_original(
self, find_library_override_imp(name) or name, *args, **kwargs
)
ctypes.CDLL.__init__ = CDLL_init_override
initialize_ctypes()
if os.getenv("FLET_PLATFORM") == "android":
import ssl
def create_default_context(
purpose=ssl.Purpose.SERVER_AUTH, *, cafile=None, capath=None, cadata=None
):
return ssl.create_default_context(
purpose=purpose, cafile=certifi.where(), capath=capath, cadata=cadata
)
ssl._create_default_https_context = create_default_context
out_file = open("{outLogFilename}", "w+", buffering=1)
callback_socket_addr = os.getenv("FLET_PYTHON_CALLBACK_SOCKET_ADDR")
if ":" in callback_socket_addr:
addr, port = callback_socket_addr.split(":")
callback_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
callback_socket.connect((addr, int(port)))
else:
callback_socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
callback_socket.connect(callback_socket_addr)
sys.stdout = sys.stderr = out_file
def flet_exit(code=0):
callback_socket.sendall(str(code).encode())
out_file.close()
callback_socket.close()
sys.exit = flet_exit
ex = None
try:
sys.argv = {argv}
runpy.run_module("{module_name}", run_name="__main__")
except Exception as e:
ex = e
traceback.print_exception(e)
sys.exit(0 if ex is None else $errorExitCode)
""";
String outLogFilename = "";
// global vars
List<String> _args = [];
String pageUrl = "";
String assetsDir = "";
String appDir = "";
Map<String, String> environmentVariables = {};
void main(List<String> args) async {
if (!args.contains("--debug")) {
// ignore: avoid_returning_null_for_void
debugPrint = (String? message, {int? wrapWidth}) => null;
}
await setupDesktop();
{% for dep in cookiecutter.flutter.dependencies %}
{{ dep }}.ensureInitialized();
{% endfor %}
_args = args;
runApp(FutureBuilder(
future: prepareApp(),
@ -198,6 +89,19 @@ void main(List<String> args) async {
}
Future prepareApp() async {
if (!_args.contains("--debug")) {
// ignore: avoid_returning_null_for_void
debugPrint = (String? message, {int? wrapWidth}) => null;
} else {
_args.remove("--debug");
}
await setupDesktop();
{% for dep in cookiecutter.flutter.dependencies %}
{{ dep }}.ensureInitialized();
{% endfor %}
if (kIsWeb) {
// web mode - connect via HTTP
pageUrl = Uri.base.toString();
@ -205,7 +109,22 @@ Future prepareApp() async {
if (routeUrlStrategy == "path") {
setPathUrlStrategy();
}
} else if (_args.isNotEmpty && isDesktopPlatform()) {
// developer mode
debugPrint("Flet app is running in Developer mode");
pageUrl = _args[0];
if (_args.length > 1) {
var pidFilePath = _args[1];
debugPrint("Args contain a path to PID file: $pidFilePath}");
var pidFile = await File(pidFilePath).create();
await pidFile.writeAsString("$pid");
}
if (_args.length > 2) {
assetsDir = _args[2];
debugPrint("Args contain a path assets directory: $assetsDir}");
}
} else {
// production mode
// extract app from asset
appDir = await extractAssetZip(assetPath, checkHash: true);
@ -396,15 +315,8 @@ Future<int> getUnusedPort() {
});
}
bool isDesktop() {
return !kIsWeb &&
(defaultTargetPlatform == TargetPlatform.windows ||
defaultTargetPlatform == TargetPlatform.macOS ||
defaultTargetPlatform == TargetPlatform.linux);
}
Future setupDesktop() async {
if (isDesktop()) {
if (isDesktopPlatform()) {
WidgetsFlutterBinding.ensureInitialized();
await windowManager.ensureInitialized();

103
{{cookiecutter.out_dir}}/lib/python.dart Normal file
View File

@ -0,0 +1,103 @@
const errorExitCode = 100;
const pythonScript = """
import certifi, os, runpy, socket, sys, traceback
os.environ["REQUESTS_CA_BUNDLE"] = certifi.where()
os.environ["SSL_CERT_FILE"] = certifi.where()
# fix for cryptography package
os.environ["CRYPTOGRAPHY_OPENSSL_NO_LEGACY"] = "1"
# fix for: https://github.com/flet-dev/serious-python/issues/85#issuecomment-2065000974
os.environ["OPENBLAS_NUM_THREADS"] = "1"
def initialize_ctypes():
import ctypes.util
import os
import pathlib
import sys
android_native_lib_dir = os.getenv("ANDROID_NATIVE_LIBRARY_DIR")
def find_library_override_imp(name: str):
if name is None:
return None
if pathlib.Path(name).exists():
return name
if sys.platform == "ios":
for lf in [
f"Frameworks/{name}.framework/{name}",
f"Frameworks/lib{name}.framework/lib{name}",
]:
lib_path = pathlib.Path(sys.executable).parent.joinpath(lf)
if lib_path.exists():
return str(lib_path)
elif android_native_lib_dir:
for lf in [f"lib{name}.so", f"{name}.so", name]:
lib_path = pathlib.Path(android_native_lib_dir).joinpath(lf)
if lib_path.exists():
return str(lib_path)
return None
find_library_original = ctypes.util.find_library
def find_library_override(name):
return find_library_override_imp(name) or find_library_original(name)
ctypes.util.find_library = find_library_override
CDLL_init_original = ctypes.CDLL.__init__
def CDLL_init_override(self, name, *args, **kwargs):
CDLL_init_original(
self, find_library_override_imp(name) or name, *args, **kwargs
)
ctypes.CDLL.__init__ = CDLL_init_override
initialize_ctypes()
if os.getenv("FLET_PLATFORM") == "android":
import ssl
def create_default_context(
purpose=ssl.Purpose.SERVER_AUTH, *, cafile=None, capath=None, cadata=None
):
return ssl.create_default_context(
purpose=purpose, cafile=certifi.where(), capath=capath, cadata=cadata
)
ssl._create_default_https_context = create_default_context
out_file = open("{outLogFilename}", "w+", buffering=1)
callback_socket_addr = os.getenv("FLET_PYTHON_CALLBACK_SOCKET_ADDR")
if ":" in callback_socket_addr:
addr, port = callback_socket_addr.split(":")
callback_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
callback_socket.connect((addr, int(port)))
else:
callback_socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
callback_socket.connect(callback_socket_addr)
sys.stdout = sys.stderr = out_file
def flet_exit(code=0):
callback_socket.sendall(str(code).encode())
out_file.close()
callback_socket.close()
sys.exit = flet_exit
ex = None
try:
sys.argv = {argv}
runpy.run_module("{module_name}", run_name="__main__")
except Exception as e:
ex = e
traceback.print_exception(e)
sys.exit(0 if ex is None else 100)
""";

12
{{cookiecutter.out_dir}}/linux/flutter/generated_plugin_registrant.cc
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@ -6,16 +6,20 @@
#include "generated_plugin_registrant.h"
#include <screen_retriever/screen_retriever_plugin.h>
#include <record_linux/record_linux_plugin.h>
#include <screen_retriever_linux/screen_retriever_linux_plugin.h>
#include <serious_python_linux/serious_python_linux_plugin.h>
#include <url_launcher_linux/url_launcher_plugin.h>
#include <window_manager/window_manager_plugin.h>
#include <window_to_front/window_to_front_plugin.h>
void fl_register_plugins(FlPluginRegistry* registry) {
g_autoptr(FlPluginRegistrar) screen_retriever_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverPlugin");
screen_retriever_plugin_register_with_registrar(screen_retriever_registrar);
g_autoptr(FlPluginRegistrar) record_linux_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "RecordLinuxPlugin");
record_linux_plugin_register_with_registrar(record_linux_registrar);
g_autoptr(FlPluginRegistrar) screen_retriever_linux_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverLinuxPlugin");
screen_retriever_linux_plugin_register_with_registrar(screen_retriever_linux_registrar);
g_autoptr(FlPluginRegistrar) serious_python_linux_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "SeriousPythonLinuxPlugin");
serious_python_linux_plugin_register_with_registrar(serious_python_linux_registrar);

3
{{cookiecutter.out_dir}}/linux/flutter/generated_plugins.cmake
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@ -3,7 +3,8 @@
#
list(APPEND FLUTTER_PLUGIN_LIST
screen_retriever
record_linux
screen_retriever_linux
serious_python_linux
url_launcher_linux
window_manager

6
{{cookiecutter.out_dir}}/macos/Flutter/GeneratedPluginRegistrant.swift
View File

@ -7,7 +7,8 @@ import Foundation
import package_info_plus
import path_provider_foundation
import screen_retriever
import record_darwin
import screen_retriever_macos
import serious_python_darwin
import shared_preferences_foundation
import url_launcher_macos
@ -18,7 +19,8 @@ import window_to_front
func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
ScreenRetrieverPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverPlugin"))
RecordPlugin.register(with: registry.registrar(forPlugin: "RecordPlugin"))
ScreenRetrieverMacosPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverMacosPlugin"))
SeriousPythonPlugin.register(with: registry.registrar(forPlugin: "SeriousPythonPlugin"))
SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))

9
{{cookiecutter.out_dir}}/windows/flutter/generated_plugin_registrant.cc
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@ -6,15 +6,18 @@
#include "generated_plugin_registrant.h"
#include <screen_retriever/screen_retriever_plugin.h>
#include <record_windows/record_windows_plugin_c_api.h>
#include <screen_retriever_windows/screen_retriever_windows_plugin_c_api.h>
#include <serious_python_windows/serious_python_windows_plugin_c_api.h>
#include <url_launcher_windows/url_launcher_windows.h>
#include <window_manager/window_manager_plugin.h>
#include <window_to_front/window_to_front_plugin.h>
void RegisterPlugins(flutter::PluginRegistry* registry) {
ScreenRetrieverPluginRegisterWithRegistrar(
registry->GetRegistrarForPlugin("ScreenRetrieverPlugin"));
RecordWindowsPluginCApiRegisterWithRegistrar(
registry->GetRegistrarForPlugin("RecordWindowsPluginCApi"));
ScreenRetrieverWindowsPluginCApiRegisterWithRegistrar(
registry->GetRegistrarForPlugin("ScreenRetrieverWindowsPluginCApi"));
SeriousPythonWindowsPluginCApiRegisterWithRegistrar(
registry->GetRegistrarForPlugin("SeriousPythonWindowsPluginCApi"));
UrlLauncherWindowsRegisterWithRegistrar(

3
{{cookiecutter.out_dir}}/windows/flutter/generated_plugins.cmake
View File

@ -3,7 +3,8 @@
#
list(APPEND FLUTTER_PLUGIN_LIST
screen_retriever
record_windows
screen_retriever_windows
serious_python_windows
url_launcher_windows
window_manager