from typing import Annotated, Union

from fastapi import FastAPI, File, UploadFile

app = FastAPI()


@app.post("/files/")
async def create_file(file: Annotated[Union[bytes, None], File()] = None):
    if not file:
        return {"message": "No file sent"}
    else:
        return {"file_size": len(file)}


@app.post("/uploadfile/")
async def create_upload_file(file: Union[UploadFile, None] = None):
    if not file:

                .installationSettingsSource(
                        installationSettingsFile != null && Files.exists(installationSettingsFile)
                                ? Sources.fromPath(installationSettingsFile)
                                : null)
                .projectSettingsSource(
                        projectSettingsFile != null && Files.exists(projectSettingsFile)
                                ? Sources.fromPath(projectSettingsFile)

a. You must give any other recipients of the Work or Derivative Works a copy 
of this License; and 

b. You must cause any modified files to carry prominent notices stating that 
You changed the files; and 

c. You must retain, in the Source form of any Derivative Works that You 
distribute, all copyright, patent, trademark, and attribution notices from 

import javax.xml.stream.XMLStreamException;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.artifact.metadata.ArtifactMetadata;

 *
 * <p>This package contains interfaces and classes for the password encryption tool,
 * which helps secure sensitive information in Maven settings and configuration files.</p>
 *
 * <p>Key features include:</p>
 * <ul>
 *   <li>Password encryption and decryption</li>
 *   <li>Master password management</li>
 *   <li>Security settings configuration</li>
 * </ul>
 *

```
/files/{file_path:path}
```

この場合、パラメータ名は `file_path` です。そして、最後の部分 `:path` はパラメータがいかなる*パス*にもマッチすることを示します。

したがって、以下の様に使用できます:

{* ../../docs_src/path_params/tutorial004.py hl[6] *}

/// tip | 豆知識

最初のスラッシュ (`/`)が付いている `/home/johndoe/myfile.txt` をパラメータが含んでいる必要があります。

この場合、URLは `files` と `home` の間にダブルスラッシュ (`//`) のある、 `/files//home/johndoe/myfile.txt` になります。

///

// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, filter func(name string, typ os.FileMode) error) error {
	// Ensure we don't pick up files as directories.
	globAll := filepath.Clean(dirPath) + `\*`
	globAllP, err := syscall.UTF16PtrFromString(globAll)
	if err != nil {
		return errInvalidArgument
	}
	data := &syscall.Win32finddata{}

	if err != nil {
		return Info{}, err
	}
	reservedBlocks := s.Bfree - s.Bavail
	info = Info{
		Total: uint64(s.Frsize) * (s.Blocks - reservedBlocks),
		Free:  uint64(s.Frsize) * s.Bavail,
		Files: s.Files,
		Ffree: s.Ffree,
		//nolint:unconvert
		FSType: getFSType(int64(s.Type)),
	}

	st := syscall.Stat_t{}
	err = syscall.Stat(path, &st)
	if err != nil {
		return Info{}, err
	}
	//nolint:unconvert

     * identical to the list returned by the parameterless <code>listFiles()</code>
     * method minus files filtered by the specified filename filter.
     *
     * If strict resource lifecycle is used, make sure you close the individual files after use.
     *
     * @param filter
     *            a filter to exclude files from the results
     * @return An array of {@code SmbResource} objects

        return designJspFileNameMap.entrySet().stream().map(e -> new Pair<>(e.getKey(), e.getValue())).toArray(n -> new Pair[n]);
    }

    /**
     * Refreshes the design JSP files for all virtual hosts.
     *
     * @return A list of paths to the refreshed files.
     */
    public List<Path> refreshDesignJspFiles() {
        final List<Path> fileList = new ArrayList<>();