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intl_translation:generate_from_arb with wildcard argument doesn't work on Windows #496

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tamcy opened this issue Feb 6, 2018 · 10 comments
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intl_translation:generate_from_arb with wildcard argument doesn't work on Windows #496

tamcy opened this issue Feb 6, 2018 · 10 comments

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@tamcy
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tamcy commented Feb 6, 2018 •
edited

The problem occurs when I am trying to regenerate the i18n files in Flutter's stock example app.
Following the README I run the following command:

flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/i18n  --generated-file-prefix=stock_ --no-use-deferred-loading lib/*.dart lib/i18n/stocks_*.arb

On Linux I got:

No @@locale or _locale field found in stocks_en, assuming 'en' based on the file name.
No @@locale or _locale field found in stocks_es, assuming 'es' based on the file name.

I suppose this is the expected output.

But on Windows I got:

Unhandled exception:
FileSystemException: Cannot open file, path = 'lib/*.dart' (OS Error: The filename, directory name, or volume label syntax is incorrect
, errno = 123)
#0      _File.throwIfError (dart:io/file_impl.dart:629)
dart-lang/intl_translation#1      _File.openSync (dart:io/file_impl.dart:473)
dart-lang/intl_translation#2      _File.readAsBytesSync (dart:io/file_impl.dart:533)
dart-lang/intl_translation#3      _File.readAsStringSync (dart:io/file_impl.dart:578)
dart-lang/intl_translation#4      MessageExtraction.parseFile (package:intl_translation/extract_messages.dart:73:28)
dart-lang/intl_translation#5      main.<anonymous closure> (http://localhost:3774/generate_from_arb.dart:97:33)
dart-lang/intl_translation#6      MappedListIterable.elementAt (dart:_internal/iterable.dart:413)
dart-lang/intl_translation#7      ListIterator.moveNext (dart:_internal/iterable.dart:342)
dart-lang/i18n#491      main (http://localhost:3774/generate_from_arb.dart:100:23)
dart-lang/i18n#492      _startIsolate.<anonymous closure> (dart:isolate-patch/dart:isolate/isolate_patch.dart:276)
dart-lang/intl_translation#10     _RawReceivePortImpl._handleMessage (dart:isolate-patch/dart:isolate/isolate_patch.dart:164)
pub finished with exit code 255
@alan-knight
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I think the issue is just that on Windows you should use Windows path separators. e.g. the command should use lib*.dart and lib\i18n\stocks_*.arb

@alan-knight alan-knight mentioned this issue Feb 6, 2018
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@tamcy
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tamcy commented Feb 7, 2018

I afraid not. Using backslash results in the same error message:

C:\flutter\examples\stocks>flutter pub pub run intl_translation:generate_from_arb --output-dir=lib\i18n --generated-file-prefix=stock_ --no-use-deferred-loading lib\*.dart lib\i18n\stocks_*.arb
Unhandled exception:
FileSystemException: Cannot open file, path = 'lib\*.dart' (OS Error: The filename, directory name, or volume label syntax is incorrect.
, errno = 123)
#0      _File.throwIfError (dart:io/file_impl.dart:629)
dart-lang/intl_translation#1      _File.openSync (dart:io/file_impl.dart:473)
dart-lang/intl_translation#2      _File.readAsBytesSync (dart:io/file_impl.dart:533)
dart-lang/intl_translation#3      _File.readAsStringSync (dart:io/file_impl.dart:578)
dart-lang/intl_translation#4      MessageExtraction.parseFile (package:intl_translation/extract_messages.dart:73:28)
dart-lang/intl_translation#5      main.<anonymous closure> (http://localhost:12993/generate_from_arb.dart:97:33)
dart-lang/intl_translation#6      MappedListIterable.elementAt (dart:_internal/iterable.dart:413)
dart-lang/intl_translation#7      ListIterator.moveNext (dart:_internal/iterable.dart:342)
dart-lang/i18n#491      main (http://localhost:12993/generate_from_arb.dart:100:23)
dart-lang/i18n#492      _startIsolate.<anonymous closure> (dart:isolate-patch/dart:isolate/isolate_patch.dart:276)
dart-lang/intl_translation#10     _RawReceivePortImpl._handleMessage (dart:isolate-patch/dart:isolate/isolate_patch.dart:164)
pub finished with exit code 255

The command works when no wildcard is used, even with forward slash:

C:\flutter\examples\stocks>flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/i18n --generated-file-prefix=stock_ --no-use-deferred-loading lib/stock_strings.dart lib/i18n/stocks_en.arb
No @@locale or _locale field found in stocks_en, assuming 'en' based on the file name.

C:\flutter\examples\stocks>flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/i18n --generated-file-prefix=stock_ --no-use-deferred-loading lib/stock_strings.dart lib/i18n/stocks_es.arb
No @@locale or _locale field found in stocks_es, assuming 'es' based on the file name.

One problem is that passing individual files would not generate a "stock_messages_all.dart" with all discovered locales.

This has been tested in PowerShell and ordinary command prompt.

@alan-knight
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OK, it appears that the Windows shell is not expanding the wildcard, so we get a literal "*.dart" as the argument passed in to generate_from_arb.

What is it that doesn't work if you pass the individual files? I don't have easy access to a Windows machine, but passing in all the files explicitly on a Mac generates the files I'd expect.

@tamcy
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tamcy commented Feb 8, 2018

I think I got you now. I tried to execute the command one by one, passing a single file each time. This way, only the locale found in the last executed command would be kept in main import file messages_all.dart.

Just discovered that I can indeed pass a list of files to the command line.

I can confirm this works for me:

flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/i18n --generated-file-prefix=stock_ --no-use-deferred-loading lib/stock_strings.dart lib/i18n/stocks_es.arb lib/i18n/stocks_en.arb

Thank you very much!

@linenlin01
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run the Command in “Git Bash” could solve the problem

@cirediew
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I think I got you now. I tried to execute the command one by one, passing a single file each time. This way, only the locale found in the last executed command would be kept in main import file messages_all.dart.

Just discovered that I can indeed pass a list of files to the command line.

I can confirm this works for me:

flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/i18n --generated-file-prefix=stock_ --no-use-deferred-loading lib/stock_strings.dart lib/i18n/stocks_es.arb lib/i18n/stocks_en.arb

Thank you very much!

This should be in the docs https://flutter.dev/docs/development/accessibility-and-localization/internationalization#appendix-using-the-dart-intl-tools

@willnationsdev
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I agree, this should be in the docs. I ran into this issue while moving through the standard introductory documentation. Having a buggy experience getting essential Flutter functionality running for an app was a big turn off as I was experimenting with the framework.

@SlayerOrnstein
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SlayerOrnstein commented Feb 17, 2020 •
edited

instead of passing a list of files you can call the wildcard by passing this argument instead.

flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/i18n --generated-file-prefix=stock_ --no-use-deferred-loading (Get-ChildItem lib/*.dart) (Get-Childitem lib/i18n/stocks_*.arb)

this worked for me pretty well.

@liudonghua123
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I also got the same issue.

Microsoft Windows [Version 10.0.18363.720]
(c) 2019 Microsoft Corporation. All rights reserved.

D:\code\flutter\colorful_classroom_app>flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/l10n --no-use-deferred-loading lib/localization.dart 
lib/app.dart lib/l10n/intl_*.arb
Unhandled exception:
FileSystemException: Cannot open file, path = 'lib/l10n/intl_*.arb' (OS Error: The filename, directory name, or volume label syntax is incorrect.
, errno = 123)
#0      _File.throwIfError (dart:io/file_impl.dart:645:7)
dart-lang/intl_translation#1      _File.openSync (dart:io/file_impl.dart:489:5)
dart-lang/intl_translation#2      _File.readAsBytesSync (dart:io/file_impl.dart:549:18)
dart-lang/intl_translation#3      _File.readAsStringSync (dart:io/file_impl.dart:594:18)
dart-lang/intl_translation#4      loadData (file:///D:/apps/flutter/.pub-cache/hosted/pub.flutter-io.cn/intl_translation-0.17.9/bin/generate_from_arb.dart:141:18)
dart-lang/intl_translation#5      main (file:///D:/apps/flutter/.pub-cache/hosted/pub.flutter-io.cn/intl_translation-0.17.9/bin/generate_from_arb.dart:126:5)
dart-lang/intl_translation#6      _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:299:32)
dart-lang/intl_translation#7      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)
pub finished with exit code 255

D:\code\flutter\colorful_classroom_app>dir lib/l10n
Parameter format not correct - "l10n".

D:\code\flutter\colorful_classroom_app>dir lib\l10n
 Volume in drive D is Data
 Volume Serial Number is 08F2-7D08

 Directory of D:\code\flutter\colorful_classroom_app\lib\l10n

2020-03-25  22:50    <DIR>          .
2020-03-25  22:50    <DIR>          ..
2020-03-25  22:50               122 intl_en.arb
2020-03-25  22:45               196 intl_messages.arb
2020-03-25  22:50               116 intl_zh.arb
2020-03-25  22:50             2,372 messages_all.dart
2020-03-25  22:50             1,054 messages_en.dart
2020-03-25  22:50             1,066 messages_messages.dart
2020-03-25  22:50             1,048 messages_zh.dart
               7 File(s)          5,974 bytes
               2 Dir(s)  30,245,486,592 bytes free

D:\code\flutter\colorful_classroom_app>flutter pub pub run intl_translation:generate_from_arb --output-dir=lib/l10n --no-use-deferred-loading lib/localization.dart 
lib/app.dart lib\l10n\intl_*.arb
Unhandled exception:
FileSystemException: Cannot open file, path = 'lib\l10n\intl_*.arb' (OS Error: The filename, directory name, or volume label syntax is incorrect.
, errno = 123)
#0      _File.throwIfError (dart:io/file_impl.dart:645:7)
dart-lang/intl_translation#1      _File.openSync (dart:io/file_impl.dart:489:5)
dart-lang/intl_translation#2      _File.readAsBytesSync (dart:io/file_impl.dart:549:18)
dart-lang/intl_translation#3      _File.readAsStringSync (dart:io/file_impl.dart:594:18)
dart-lang/intl_translation#4      loadData (file:///D:/apps/flutter/.pub-cache/hosted/pub.flutter-io.cn/intl_translation-0.17.9/bin/generate_from_arb.dart:141:18)
dart-lang/intl_translation#5      main (file:///D:/apps/flutter/.pub-cache/hosted/pub.flutter-io.cn/intl_translation-0.17.9/bin/generate_from_arb.dart:126:5)
dart-lang/intl_translation#6      _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:299:32)
dart-lang/intl_translation#7      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)
pub finished with exit code 255

D:\code\flutter\colorful_classroom_app>

I wish the input files could ignore (all the files in lib could be passed as default). And provide platform independent solution. It should not difficult.

@liudonghua123
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I tried to add glob path parser support for this lib. see dart-archive/intl_translation#92.

@mosuem mosuem transferred this issue from dart-archive/intl_translation Apr 18, 2023
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@tamcy @liudonghua123 @alan-knight @SlayerOrnstein @cirediew @willnationsdev @linenlin01