# Démarrage

Le fichier **FastAPI** le plus simple possible pourrait ressembler à cela  :

{* ../../docs_src/first_steps/tutorial001.py *}

Copiez ce code dans un fichier nommé `main.py`.

Démarrez le serveur :

<div class="termy">

```console
$ uvicorn main:app --reload

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)

// This input was created by taking the instruction productions in
// the old assembler's (8a's) grammar and hand-writing complete
// instructions for each rule, to guarantee we cover the same space.

#include "../../../../../runtime/textflag.h"

TEXT foo(SB), DUPOK|NOSPLIT, $0

// LTYPE1 nonrem	{ outcode(int($1), &$2); }
	SETCC	AX
	SETCC	foo+4(SB)

// LTYPE2 rimnon	{ outcode(int($1), &$2); }
	DIVB	AX
	DIVB	foo+4(SB)
	PUSHL	$foo+4(SB)

import static org.junit.jupiter.api.condition.OS.WINDOWS;

/**
 * A test which demonstrates maven's recursive inheritance where
 * a distinct value is taken from each parent contributing to
 * the final model of the project being assembled. There is no
 * overriding going on amongst the models being used in this test:
 * each model in the lineage is providing a value that is not present
 * anywhere else in the lineage. We are just making sure that values

		ConditionValues: getConditionValues(r, "", cred),
		IsOwner:         owner,
		Claims:          cred.Claims,
		BucketName:      resource, // overloading BucketName as that's what the policy engine uses to assemble a Resource.
	})

				if err == nil {
					decReader = rah
					cFns = append([]func(){func() {
						rah.Close()
					}}, cFns...)
				}
			}
			oi.Size = decLength

			// Assemble the GetObjectReader
			r = &GetObjectReader{
				ObjInfo:    oi,
				Reader:     decReader,
				cleanUpFns: cFns,
			}
			return r, nil
		}

	case isEncrypted:
		var seqNumber uint32

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This input was created by taking the instruction productions in
// the old assembler's (6a's) grammar and hand-writing complete
// instructions for each rule, to guarantee we cover the same space.

#include "../../../../../runtime/textflag.h"

TEXT	foo(SB), DUPOK|NOSPLIT, $0

        SMBUtil.writeInt4(contextStartOffsetFromHeader, base, offsetFieldPos);
        SMBUtil.writeInt4(ctx.length, base, offsetFieldPos + 4);

        // Assemble full body: base (fixed-size fields only), but actual context bytes sit elsewhere in the full packet
        // Return just the base; caller is responsible for placing ctx at the correct absolute offset.

        addPart(Part.createFormData(name, filename, body))
      }

      /** Add a part to the body. */
      fun addPart(part: Part) =
        apply {
          parts += part
        }

      /** Assemble the specified parts into a request body. */
      fun build(): MultipartBody {
        check(parts.isNotEmpty()) { "Multipart body must have at least one part." }

+# define __attribute_copy__(arg)
+#endif
+
 #ifndef __ASSEMBLER__
 /* GCC understands weak symbols and aliases; use its interface where
    possible, instead of embedded assembly language.  */
@@ -114,7 +119,8 @@
 /* Define ALIASNAME as a strong alias for NAME.  */
 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
 # define _strong_alias(name, aliasname) \

        for (String version : versions) {
            artifactVersions.add(new DefaultArtifactVersion(version));
        }

        return artifactVersions;
    }

    // USED BY MAVEN ASSEMBLY PLUGIN
    @Deprecated
    public static Set<Artifact> createArtifacts(
            ArtifactFactory artifactFactory,
            List<Dependency> dependencies,
            String inheritedScope,