added Dart shell command to move headers to google/flutter-mediapipe

This commit is contained in:
Craig Labenz 2023-09-27 07:06:01 -04:00
parent 82d83f2dd8
commit 69d1b3a8b8
9 changed files with 618 additions and 0 deletions

3
mediapipe/dart/moveheaders/.gitignore vendored Normal file
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# https://dart.dev/guides/libraries/private-files
# Created by `dart pub`
.dart_tool/

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## 1.0.0
- Initial version.

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A sample command-line application with an entrypoint in `bin/`, library code
in `lib/`, and example unit test in `test/`.

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# This file configures the static analysis results for your project (errors,
# warnings, and lints).
#
# This enables the 'recommended' set of lints from `package:lints`.
# This set helps identify many issues that may lead to problems when running
# or consuming Dart code, and enforces writing Dart using a single, idiomatic
# style and format.
#
# If you want a smaller set of lints you can change this to specify
# 'package:lints/core.yaml'. These are just the most critical lints
# (the recommended set includes the core lints).
# The core lints are also what is used by pub.dev for scoring packages.
include: package:lints/recommended.yaml
# Uncomment the following section to specify additional rules.
# linter:
# rules:
# - camel_case_types
# analyzer:
# exclude:
# - path/to/excluded/files/**
# For more information about the core and recommended set of lints, see
# https://dart.dev/go/core-lints
# For additional information about configuring this file, see
# https://dart.dev/guides/language/analysis-options

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import 'dart:io' as io;
import 'package:moveheaders/moveheaders.dart' as moveheaders;
import 'package:args/args.dart';
import 'package:path/path.dart' as path;
final parser = ArgParser()
..addFlag(
'overwrite',
abbr: 'o',
defaultsTo: true,
help: 'If true, will overwrite existing header files '
'at destination locations.',
)
..addOption(
'destination',
abbr: 'd',
help: 'The location of google/flutter-mediapipe. Defaults to being '
'adjacent to google/mediapipe.',
);
void main(List<String> arguments) {
final results = parser.parse(arguments);
final config = moveheaders.Options(
allowOverwrite: results['overwrite'],
);
final io.Directory mediaPipeDirectory = moveheaders.findMediaPipeRoot();
final passedDestination =
results['destination'] != null && results['destination'] != '';
final flutterMediaPipeDirectory = io.Directory(
passedDestination
? results['destination']
: path.joinAll([
mediaPipeDirectory.parent.absolute.path,
'flutter-mediapipe',
]),
);
if (!flutterMediaPipeDirectory.existsSync()) {
io.stderr.writeln(
'Could not find ${flutterMediaPipeDirectory.absolute.path}. '
'Folder does not exist.',
);
io.exit(1);
}
moveheaders.moveHeaders(
mediaPipeDirectory,
flutterMediaPipeDirectory,
config,
);
}

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import 'dart:convert';
import 'dart:io' as io;
import 'package:io/ansi.dart';
import 'package:path/path.dart' as path;
import 'package:process/process.dart';
/// google/mediapipe paths
final containers = 'mediapipe/tasks/c/components/containers';
final processors = 'mediapipe/tasks/c/components/processors';
final originCore = 'mediapipe/tasks/c/core';
final tc = 'mediapipe/tasks/c/text/text_classifier';
/// google/flutter-mediapipe paths
final core = 'packages/mediapipe-core/third_party/mediapipe/';
final text = 'packages/mediapipe-task-text/third_party/mediapipe/';
/// First string is its location in this repository;
/// Second string is its location in `google/flutter-mediapipe`,
/// Third string is the file name
List<(String, String, String)> headerPaths = [
(containers, core, 'category.h'),
(containers, core, 'classification_result.h'),
(originCore, core, 'base_options.h'),
(processors, core, 'classifier_options.h'),
(tc, text, 'text_classifier.h'),
];
class Options {
const Options({
required this.allowOverwrite,
});
final bool allowOverwrite;
}
Future<void> moveHeaders(
io.Directory mediaPipe,
io.Directory flutterMediaPipe,
Options config,
) async {
final mgr = LocalProcessManager();
for (final tup in headerPaths) {
final headerFile = io.File(path.joinAll(
[mediaPipe.absolute.path, tup.$1, tup.$3],
));
if (!headerFile.existsSync()) {
io.stderr.writeln(
'Expected to find ${headerFile.path}, but '
'file does not exist.',
);
io.exit(1);
}
final destinationPath = path.joinAll(
[flutterMediaPipe.absolute.path, tup.$2, tup.$3],
);
if (io.File(destinationPath).existsSync() && !config.allowOverwrite) {
io.stdout.writeln(
'Warning: Not overwriting existing file at $destinationPath. '
'Skipping ${tup.$3}.',
);
continue;
}
io.stderr.writeln(wrapWith('Moving ${tup.$3}', [green]));
final process = await mgr.start([
'cp',
headerFile.path,
destinationPath,
]);
int processExitCode = await process.exitCode;
if (processExitCode != 0) {
final processStdErr = utf8.decoder.convert(await process.stderr.drain());
io.stderr.write(wrapWith(processStdErr, [red]));
io.exit(processExitCode);
}
}
}
io.Directory findMediaPipeRoot() {
io.Directory dir = io.Directory(path.current);
while (true) {
if (isMediaPipeRoot(dir)) {
return dir;
}
dir = dir.parent;
if (dir.parent.path == dir.path) {
io.stderr.writeln(
wrapWith(
'Failed to find google/mediapipe root directory. '
'Did you execute this command from within the repository?',
[red],
),
);
io.exit(1);
}
}
}
bool isMediaPipeRoot(io.Directory dir) {
final bazelrcExists = io.File(
path.joinAll(
[dir.absolute.path, '.bazelrc'],
),
).existsSync();
final mediapipeExists = io.Directory(
path.joinAll(
[dir.absolute.path, 'mediapipe'],
),
).existsSync();
final dotGitExists = io.Directory(
path.joinAll(
[dir.absolute.path, '.git'],
),
).existsSync();
return bazelrcExists && mediapipeExists && dotGitExists;
}

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# Generated by pub
# See https://dart.dev/tools/pub/glossary#lockfile
packages:
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url: "https://pub.dev"
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matcher:
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test:
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description:
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web_socket_channel:
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description:
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webkit_inspection_protocol:
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yaml:
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description:
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url: "https://pub.dev"
source: hosted
version: "3.1.2"
sdks:
dart: ">=3.2.0-162.0.dev <4.0.0"

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name: moveheaders
description: A sample command-line application.
version: 1.0.0
# repository: https://github.com/my_org/my_repo
environment:
sdk: ^3.2.0-162.0.dev
# Add regular dependencies here.
dependencies:
args: ^2.4.2
io: ^1.0.4
logging: ^1.2.0
path: ^1.8.0
process: ^5.0.0
dev_dependencies:
lints: ^2.1.0
test: ^1.24.0

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import 'package:moveheaders/moveheaders.dart';
import 'package:test/test.dart';
void main() {}