**SQLModel**, [SQLAlchemy](https://www.sqlalchemy.org/) ve Pydantic’in üzerine inşa edilmiştir. **FastAPI**’nin yazarı tarafından, **SQL veritabanları** kullanması gereken FastAPI uygulamalarıyla mükemmel uyum sağlaması için geliştirilmiştir.

/// tip | İpucu

This part is pretty normal, most of the code is probably already familiar to you:

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[7:11,34:51] *}

/// tip

The `callback_url` query parameter uses a Pydantic [Url](https://docs.pydantic.dev/latest/api/networks/) type.

///

Essa parte é bastante normal, a maior parte do código provavelmente já é familiar para você:

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[7:11,34:51] *}

/// tip | Dica

O parâmetro de consulta `callback_url` usa um tipo Pydantic [Url](https://docs.pydantic.dev/latest/api/networks/).

///

{return null}return l}function V(l,e){let t=l.replace(m.findPipe,(i,s,a)=>{let o=!1,u=s;for(;--u>=0&&a[u]==="\\";)o=!o;return o?"|":" |"}),n=t.split(m.splitPipe),r=0;if(n[0].trim()||n.shift(),n.length>0&&!n.at(-1)?.trim()&&n.pop(),e)if(n.length>e)n.splice(e);else for(;n.length<e;)n.push("");for(;r<n.length;r++)n[r]=n[r].trim().replace(m.slashPipe,"|");return n}function E(l,e,t){let n=l.length;if(n===0)return"";let r=0;for(;r<n;){let i=l.charAt(n-r-1);if(i===e&&!t)r++;else if(i!==e&&t)r++;else break}return...

// Returns true if input is IPv6
func isIPv6(host string) bool {
	h, _, err := net.SplitHostPort(host)
	if err != nil {
		h = host
	}
	ip := net.ParseIP(h)
	return ip.To16() != nil && ip.To4() == nil
}

// strip api endpoints list with standard ports such as
// port "80" and "443" before displaying on the startup
// banner.  Returns a new list of API endpoints.

      }
    }

    var pos = 0
    while (pos < value.length) {
      val tokenStart = pos
      pos = value.indexOfElement("=,;", pos)
      val directive = value.substring(tokenStart, pos).trim()
      val parameter: String?

      if (pos == value.length || value[pos] == ',' || value[pos] == ';') {
        pos++ // Consume ',' or ';' (if necessary).
        parameter = null
      } else {

            execSpec.workingDir(gitExtension.getCheckoutDir().get());
            execSpecConfig.execute(execSpec);
        });
        exec.assertNormalExitValue();
        return os.toString().trim();
    }

    private static boolean isRemoteAvailable(Provider<String> remote, ByteArrayOutputStream output) {
        return new String(output.toByteArray()).lines().anyMatch(l -> l.contains(remote.get() + "\t"));
    }

Ensuite, **FastAPI** appellera cette surcharge au lieu de la dépendance originale.

{* ../../docs_src/dependency_testing/tutorial001_an_py310.py hl[26:27,30] *}

/// tip | Astuce

Vous pouvez définir une surcharge de dépendance pour une dépendance utilisée n’importe où dans votre application **FastAPI**.

            buf.append(";v=");
            buf.append(virtualHostList.stream().sorted().collect(Collectors.joining(",")));
        }

        final String urlId = buf.toString().trim();
        return generateId(urlId);
    }

    /**
     * Retrieves a list of session IDs with their document counts from the search engine.

    fun add(line: String) =
      apply {
        val index = line.indexOf(':')
        require(index != -1) { "Unexpected header: $line" }
        add(line.substring(0, index).trim(), line.substring(index + 1))
      }

    /**
     * Add a header with the specified name and value. Does validation of header names and values.
     */
    fun add(
      name: String,