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Autres articles (35)
-
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
De l’upload à la vidéo finale [version standalone]
31 janvier 2010, parLe chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
Upload et récupération d’informations de la vidéo source
Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (3360)
-
Is this a problem in my command, the stream, or FFMPEG itself ? [closed]
10 juin, par Ali MustafaI am trying to download a section from approximately 06:40:00 to 06:44:00 from this stream : https://kick.com/grossgore/videos/8d36c089-ff2b-4167-9c92-bc8a3a9d033b


I found the m3u8 URL : https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/playlist.m3u8


I run the following command :


ffmpeg -ss 06:40:00 -to 06:44:00 -i https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/playlist.m3u8 -c copy out.mp4


The command runs for a while, but for some reason the output file is empty once the program has finished. How do I figure out what the problem is ?


Log :


ffmpeg version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2000-2021 the FFmpeg developers
 built with gcc 11 (Ubuntu 11.2.0-19ubuntu1)
 configuration: --prefix=/usr --extra-version=0ubuntu0.22.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 70.100 / 56. 70.100
 libavcodec 58.134.100 / 58.134.100
 libavformat 58. 76.100 / 58. 76.100
 libavdevice 58. 13.100 / 58. 13.100
 libavfilter 7.110.100 / 7.110.100
 libswscale 5. 9.100 / 5. 9.100
 libswresample 3. 9.100 / 3. 9.100
 libpostproc 55. 9.100 / 55. 9.100
[hls @ 0x633e19ea3200] Skip ('#EXT-X-VERSION:3')
[hls @ 0x633e19ea3200] Skip ('#ID3-EQUIV-TDTG:2025-05-25T21:04:39')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-TWITCH-ELAPSED-SECS:0.000')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-TWITCH-TOTAL-SECS:29231.935')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T12:56:26.675Z')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T12:56:39.175Z')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T12:56:51.675Z')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T12:57:04.175Z')
...
...
...
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T17:38:43.058Z')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T17:38:55.558Z')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-DISCONTINUITY')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-TWITCH-DISCONTINUITY')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T17:39:56.883Z')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T17:40:09.383Z')
...
...
...
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T21:04:17.516Z')
[hls @ 0x633e19ea3200] Skip ('#EXT-X-PROGRAM-DATE-TIME:2025-05-25T21:04:30.016Z')
[hls @ 0x633e19ea3200] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/0.ts' for reading
[hls @ 0x633e19ea3200] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/1.ts' for reading
Input #0, hls, from 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/playlist.m3u8':
 Duration: 08:07:11.94, start: 64.171000, bitrate: 0 kb/s
 Program 0 
 Metadata:
 variant_bitrate : 0
 Stream #0:0: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp
 Metadata:
 variant_bitrate : 0
 Stream #0:1: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 60 tbr, 90k tbn, 120 tbc
 Metadata:
 variant_bitrate : 0
 Stream #0:2: Data: timed_id3 (ID3 / 0x20334449)
 Metadata:
 variant_bitrate : 0
Output #0, mp4, to 'out.mp4':
 Metadata:
 encoder : Lavf58.76.100
 Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 60 tbr, 90k tbn, 90k tbc
 Metadata:
 variant_bitrate : 0
 Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp
 Metadata:
 variant_bitrate : 0
Stream mapping:
 Stream #0:1 -> #0:0 (copy)
 Stream #0:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
[hls @ 0x633e19ea3200] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/1921.ts' for reading
[hls @ 0x633e19ea3200] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/1922.ts' for reading
[https @ 0x633e1a43f9c0] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/1923.ts' for reading
[https @ 0x633e1a877300] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/1924.ts' for reading
[https @ 0x633e1a43f9c0] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/1925.ts' for reading
[https @ 0x633e1a877300] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/1926.ts' for reading
...
...
...
[https @ 0x633e1a877300] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/2338.ts' for reading
[https @ 0x633e1a43f9c0] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/2339.ts' for reading
[https @ 0x633e1a877300] Opening 'https://stream.kick.com/ivs/v1/196233775518/hDSBAWziz2jA/2025/5/25/12/56/LrW3TwZUg7Xk/media/hls/1080p60/2340.ts' for reading
frame= 0 fps=0.0 q=-1.0 Lsize= 0kB time=00:00:00.00 bitrate=N/A speed= 0x 
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown


-
exe file not executing from deployed ASP.NET MVC app in TAS (Tanzu /PCF)
24 juin, par Darshan AdakaneI am facing an issue for my ASP.NET MVC web application on .NET 4 being deployed to TAS.


I am trying to do image compression using
ffmpeg.exe.

While it is working on my local machine, I get an "500 internal server error" when deployed to TAS (tanzu application server). I am using
hwc_buildpackand storing the file inPath.GetTemp()folder for testing.

applications:
- name: MyApp-Dev
 memory: 1G
 instances: 1
 stack: windows
 buildpacks:
 - hwc_buildpack
 path: \MyAppnew\obj\Release\Package\PackageTmp
 env:
 services:
 routes:
 - route: myapp-dev.apps.company.com
 - route: myapp-dev.company.com


I also see that the
.exeis being published when app I deployed. I am assuming if TAS has NO permission to read exe or read exe 'not allowed' policy.

This is my code :


[HttpPost]
[Route("uploadimage")]
public async Task<ihttpactionresult> UploadImage()
{
 try
 {
 if (!Request.Content.IsMimeMultipartContent())
 return BadRequest("Unsupported media type.");

 Console.WriteLine("UploadImage method started.");

 var provider = new MultipartMemoryStreamProvider();
 await Request.Content.ReadAsMultipartAsync(provider);

 Console.WriteLine($"Total Files available: {provider.Contents.Count}, {provider.Contents}");

 foreach (var file in provider.Contents)
 {
 try
 {
 var imageFile = await file.ReadAsByteArrayAsync();
 Console.WriteLine($"imageFile, { imageFile.Length }");
 var rawFileName = file.Headers.ContentDisposition.FileName.Trim('"');
 Console.WriteLine($"rawFileName, {rawFileName}");
 var fileName = Path.GetFileName(rawFileName); // Sanitize filename
 Console.WriteLine($"fileName, {fileName}");

 // Check file size limit (300MB)
 if (imageFile.Length > 300 * 1024 * 1024) // 300MB limit
 {
 Console.WriteLine("File size exceeds 300MB limit.");
 return BadRequest("File size exceeds 300MB limit.");
 }

 var inputFilePath = Path.Combine(_uploadFolder, fileName);
 Console.WriteLine($"inputFilePath, {inputFilePath}");

 var outputFilePath = Path.Combine(_uploadFolder, "compressed_" + fileName);
 Console.WriteLine($"outputFilePath, {outputFilePath}");

 // Save uploaded file to disk
 File.WriteAllBytes(inputFilePath, imageFile);

 // Check if the input file exists
 if (!File.Exists(inputFilePath))
 {
 Console.WriteLine($"Input file does not exist: {inputFilePath}");
 return InternalServerError(new Exception($"❌ Input file does not exist: {inputFilePath}"));
 }

 //Console.WriteLine($"✅ FFmpeg found at path: {ffmpegFullPath}");

 await FFMpegArguments
 .FromFileInput(inputFilePath)
 .OutputToFile(outputFilePath, overwrite: true, options => options
 .WithCustomArgument("-vf scale=800:-1")
 .WithCustomArgument("-q:v 10")
 )
 .ProcessAsynchronously();

 Console.WriteLine($"outputFilePath, {outputFilePath}");

 // Check if the output file was created
 if (File.Exists(outputFilePath))
 {
 var fileInfo = new FileInfo(outputFilePath); // Get file info

 Console.WriteLine($"outputFileInfoPropsFullName, {fileInfo.FullName}");
 Console.WriteLine($"outputFileInfoPropsLength, {fileInfo.Length}");

 var compressedFileBytes = File.ReadAllBytes(outputFilePath);
 var compressedFileBase64 = Convert.ToBase64String(compressedFileBytes);

 return Ok(new
 {
 Message = "Image uploaded and compressed successfully.",
 CompressedImagePath = outputFilePath,
 CompressedFileSize = fileInfo.Length, // Size in bytes
 CompressedFileBase64 = compressedFileBase64
 });
 }
 else
 {
 Console.WriteLine("OutputFilePath File not exists.");
 return InternalServerError(new Exception($"❌ Failed to create compressed file: {outputFilePath}"));
 });
 }
 catch (Exception ex)
 {
 Console.WriteLine($"File TRYCATCH:{ex}");
 return InternalServerError(new Exception("Image compression failed: " + ex.Message));
 }
 }
 }
 catch (Exception ex)
 {
 Console.WriteLine($"Method TRYCATCH:{ex}");
 throw;
 }

 return BadRequest("No image file uploaded.");
}
</ihttpactionresult>

I'm getting this error in my tanzu environment logs from the code when I execute :


await FFMpegArguments


This is the exception log :


FFMpegCore.Exceptions.FFMpegException: ffmpeg was not found on your system


I also see that the
.exefiles do exist in TAS in these logs :

2025-06-13T16:07:55.878+05:30 [APP/PROC/WEB/0] [OUT] PATH of FFmpeg Executable: C:\Users\vcap\app\ffmpeg-bin\ffmpeg.exe
2025-06-13T16:07:55.878+05:30 [APP/PROC/WEB/0] [OUT] PATH of ffmpegPath: C:\Users\vcap\app\ffmpeg-bin
2025-06-13T16:07:55.878+05:30 [APP/PROC/WEB/0] [OUT] PATH of BaseDirectory: C:\Users\vcap\app\
2025-06-13T16:07:55.881+05:30 [APP/PROC/WEB/0] [OUT] TempPath: C:\Users\vcap\AppData\Local\Temp\ 
 2025-06-24T18:39:50.684+05:30 [APP/PROC/WEB/0] [OUT] at MCANew.Controllers.Api.MessagesController.<uploadimage>d__6.MoveNext() in I:\Agents\Agent-Win-B\_work\3033\s\MCANew\Controllers\Api\MessagesController.cs:line 133
2025-06-24T18:39:50.684+05:30 [APP/PROC/WEB/0] [OUT] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
2025-06-24T18:39:50.684+05:30 [APP/PROC/WEB/0] [OUT] --- End of stack trace from previous location where exception was thrown ---
2025-06-24T18:39:50.684+05:30 [APP/PROC/WEB/0] [OUT] at FFMpegCore.FFMpegArgumentProcessor.<processasynchronously>d__24.MoveNext()
2025-06-24T18:39:50.684+05:30 [APP/PROC/WEB/0] [OUT] at FFMpegCore.FFMpegArgumentProcessor.PrepareProcessArguments(FFOptions ffOptions, CancellationTokenSource& cancellationTokenSource)
2025-06-24T18:39:50.684+05:30 [APP/PROC/WEB/0] [OUT] at FFMpegCore.Helpers.FFMpegHelper.VerifyFFMpegExists(FFOptions ffMpegOptions)
2025-06-24T18:39:50.684+05:30 [APP/PROC/WEB/0] [OUT] File TRYCATCH:FFMpegCore.Exceptions.FFMpegException: ffmpeg was not found on your system
</processasynchronously></uploadimage>

My objective is to run successfully exe on TAS and image compression to happen.


-
FileNotFoundError : [WinError 2] The system cannot find the file specified - FFMPEG
5 avril 2024, par shiftyscalesI am running a script using conda environment on Windows and getting this error (stack trace below), which is apparently caused by python executable not being able to find the ffmpeg.exe. There are numerous questions about this, but none of the solutions unfortunately worked for me, so I hope someone has fresh ideas.


What I tried :


- 

conda install -c conda-forge ffmpeg(after this I can run ffmpeg in command line, but still getting the error)pip install ffmpeg-python- Added the folder where ffmpeg.exe is located in conda env to the Windows Path as well as to sys.path in python.
- copied the same ffmpeg.exe a) to the location of python.exe in conda env, b) to the location of the script I am running, c) to the location of subprocess.py.
- Downloaded ffmpeg windows binary and repeated the last two steps with that file.












Is there anything else that I can try to make it work ?


---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
Cell In[10], line 22
 19 truncate_second = 8.2 # Video end = start_second + truncate_second
 21 # Extract Video CAVP Features & New Video Path:
---> 22 cavp_feats, new_video_path = extract_cavp(video_path, start_second, truncate_second, tmp_path=tmp_path)

File D:\Software\Anaconda\envs\diff_foley\Lib\site-packages\torch\nn\modules\module.py:1518, in Module._wrapped_call_impl(self, *args, **kwargs)
 1516 return self._compiled_call_impl(*args, **kwargs) # type: ignore[misc]
 1517 else:
-> 1518 return self._call_impl(*args, **kwargs)

File D:\Software\Anaconda\envs\diff_foley\Lib\site-packages\torch\nn\modules\module.py:1527, in Module._call_impl(self, *args, **kwargs)
 1522 # If we don't have any hooks, we want to skip the rest of the logic in
 1523 # this function, and just call forward.
 1524 if not (self._backward_hooks or self._backward_pre_hooks or self._forward_hooks or self._forward_pre_hooks
 1525 or _global_backward_pre_hooks or _global_backward_hooks
 1526 or _global_forward_hooks or _global_forward_pre_hooks):
-> 1527 return forward_call(*args, **kwargs)
 1529 try:
 1530 result = None

File D:\Software\Anaconda\envs\diff_foley\Lib\site-packages\torch\utils\_contextlib.py:115, in context_decorator.<locals>.decorate_context(*args, **kwargs)
 112 @functools.wraps(func)
 113 def decorate_context(*args, **kwargs):
 114 with ctx_factory():
--> 115 return func(*args, **kwargs)

File D:\Work\DIff-Foley\Diff-Foley\inference\demo_util.py:131, in Extract_CAVP_Features.forward(self, video_path, start_second, truncate_second, tmp_path)
 129 print("truncate second: ", truncate_second)
 130 # Load the video, change fps:
--> 131 video_path_low_fps = reencode_video_with_diff_fps(video_path, self.tmp_path, self.fps, start_second, truncate_second)
 132 video_path_high_fps = reencode_video_with_diff_fps(video_path, self.tmp_path, 21.5, start_second, truncate_second)
 134 # read the video:

File D:\Work\DIff-Foley\Diff-Foley\inference\demo_util.py:42, in reencode_video_with_diff_fps(video_path, tmp_path, extraction_fps, start_second, truncate_second)
 31 def reencode_video_with_diff_fps(video_path: str, tmp_path: str, extraction_fps: int, start_second, truncate_second) -> str:
 32 '''Reencodes the video given the path and saves it to the tmp_path folder.
 33 
 34 Args:
 (...)
 40 str: The path where the tmp file is stored. To be used to load the video from
 41 '''
---> 42 assert which_ffmpeg() != '', 'Is ffmpeg installed? Check if the conda environment is activated.'
 43 # assert video_path.endswith('.mp4'), 'The file does not end with .mp4. Comment this if expected'
 44 # create tmp dir if doesn't exist
 45 os.makedirs(tmp_path, exist_ok=True)

File D:\Work\DIff-Foley\Diff-Foley\inference\demo_util.py:26, in which_ffmpeg()
 20 def which_ffmpeg() -> str:
 21 '''Determines the path to ffmpeg library
 22 
 23 Returns:
 24 str -- path to the library
 25 '''
---> 26 result = subprocess.run(['which', 'ffmpeg'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 27 ffmpeg_path = result.stdout.decode('utf-8').replace('\n', '')
 28 return ffmpeg_path

File D:\Software\Anaconda\envs\diff_foley\Lib\subprocess.py:548, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
 545 kwargs['stdout'] = PIPE
 546 kwargs['stderr'] = PIPE
--> 548 with Popen(*popenargs, **kwargs) as process:
 549 try:
 550 stdout, stderr = process.communicate(input, timeout=timeout)

File D:\Software\Anaconda\envs\diff_foley\Lib\subprocess.py:1026, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize, process_group)
 1022 if self.text_mode:
 1023 self.stderr = io.TextIOWrapper(self.stderr,
 1024 encoding=encoding, errors=errors)
-> 1026 self._execute_child(args, executable, preexec_fn, close_fds,
 1027 pass_fds, cwd, env,
 1028 startupinfo, creationflags, shell,
 1029 p2cread, p2cwrite,
 1030 c2pread, c2pwrite,
 1031 errread, errwrite,
 1032 restore_signals,
 1033 gid, gids, uid, umask,
 1034 start_new_session, process_group)
 1035 except:
 1036 # Cleanup if the child failed starting.
 1037 for f in filter(None, (self.stdin, self.stdout, self.stderr)):

File D:\Software\Anaconda\envs\diff_foley\Lib\subprocess.py:1538, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, unused_restore_signals, unused_gid, unused_gids, unused_uid, unused_umask, unused_start_new_session, unused_process_group)
 1536 # Start the process
 1537 try:
-> 1538 hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
 1539 # no special security
 1540 None, None,
 1541 int(not close_fds),
 1542 creationflags,
 1543 env,
 1544 cwd,
 1545 startupinfo)
 1546 finally:
 1547 # Child is launched. Close the parent's copy of those pipe
 1548 # handles that only the child should have open. You need
 (...)
 1551 # pipe will not close when the child process exits and the
 1552 # ReadFile will hang.
 1553 self._close_pipe_fds(p2cread, p2cwrite,
 1554 c2pread, c2pwrite,
 1555 errread, errwrite)

FileNotFoundError: [WinError 2] The system cannot find the file specified
</locals>

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