from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }
    },
    auto_error=False,
)


class User(BaseModel):
    username: str


def get_current_user(oauth_header: Optional[str] = Security(reusable_oauth2)):

@Deprecated(since = "4.0.0")
public class InvalidRepositoryException extends Exception {

    /**
     * The repository that raised this error, can be {@code null}.
     */
    private Repository repository;

    /**
     * Creates a new exception with specified detail message and cause for the given repository.
     *
     * @param message The detail message, may be {@code null}.

     * @param os
     *            ストリーム。{@literal null}であってはいけません
     * @param encoding
     *            エンコーディング。{@literal null}や空文字列であってはいけません
     * @return ストリームへ出力する{@link Writer}
     */
    public static Writer create(final OutputStream os, final String encoding) {
        assertArgumentNotNull("os", os);
        assertArgumentNotEmpty("encoding", encoding);

        try {
            return new OutputStreamWriter(os, encoding);

         * The type detector used by this parser to auto-detect the type of a
         * document.
         */
        private final Detector detector; // always set in the constructor

        /**
         * Creates an auto-detecting parser instance using the default Tika
         * configuration.
         */
        public TikaDetectParser() {
            this(tikaConfig);
        }

**FastAPI** has a great community constantly growing.

There are many posts, articles, tools, and projects, related to **FastAPI**.

Here's an incomplete list of some of them.

/// tip

        TermQueryBuilder builder = regTermQ("createdBy", createdBy);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setCreatedBy_NotEqual(String createdBy) {
        setCreatedBy_NotTerm(createdBy, null);
    }

    public void setCreatedBy_NotTerm(String createdBy) {
        setCreatedBy_NotTerm(createdBy, null);

  public void testOrderingAffectsEqualsComparisons() {
    ListMultimap<K, V> multimap1 =
        getSubjectGenerator()
            .create(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v0()));
    ListMultimap<K, V> multimap2 =
        getSubjectGenerator()
            .create(mapEntry(k0(), v1()), mapEntry(k0(), v0()), mapEntry(k0(), v0()));
    new EqualsTester().addEqualityGroup(multimap1).addEqualityGroup(multimap2).testEquals();

              }
            });
  }

  public void testEquals() {
    SortedSetMultimap<Integer, String> map1 = TreeMultimap.create(ImmutableMultimap.of(1, "one"));
    SortedSetMultimap<Integer, String> map2 = TreeMultimap.create(ImmutableMultimap.of(2, "two"));
    new EqualsTester()
        .addEqualityGroup(map1, wrap(map1), wrap(map1))
        .addEqualityGroup(map2, wrap(map2))
        .testEquals();

    assertEquals("foo", getChecked(immediateFuture("foo"), TwoArgConstructorException.class));
  }

  public void testGetCheckedUntimed_interrupted() {
    SettableFuture<String> future = SettableFuture.create();
    Thread.currentThread().interrupt();
    try {
      getChecked(future, TwoArgConstructorException.class);
      fail();
    } catch (TwoArgConstructorException expected) {

        this.boostExpr = value;
    }

    public String getCreatedBy() {
        checkSpecifiedProperty("createdBy");
        return convertEmptyToNull(createdBy);
    }

    public void setCreatedBy(String value) {
        registerModifiedProperty("createdBy");
        this.createdBy = value;
    }

    public Long getCreatedTime() {
        checkSpecifiedProperty("createdTime");