diff --git a/generate_schemas.js b/generate_schemas.js
index 61b74fb..441980e 100644
--- a/generate_schemas.js
+++ b/generate_schemas.js
@@ -1,7 +1,13 @@
-const fs = require("fs");
-const path = require("path");
-const glob = require("glob");
-const process = require("process");
+import fs from "fs";
+import path from "path";
+import { glob } from "glob";
+import process from "process";
+import {
+  quicktype,
+  InputData,
+  JSONSchemaInput,
+  FetchingJSONSchemaStore,
+} from "quicktype-core";
 
 console.log("process.argv", process.argv);
 
@@ -46,6 +52,18 @@ const directoryPath = findDirectoryPath(projectName, folderName);
 
 const outputFile = path.join(process.cwd(), `${projectName}_schemas.json`);
 
+async function quicktypeJSONSchema(filename, jsonSchemaString) {
+  const schemaInput = new JSONSchemaInput(new FetchingJSONSchemaStore());
+  await schemaInput.addSource({ name: filename, schema: jsonSchemaString });
+  const inputData = new InputData();
+  inputData.addInput(schemaInput);
+  return await quicktype({
+    inputData,
+    lang: "python",
+    rendererOptions: { "just-types": true, "python-version": "3.7" },
+  });
+}
+
 function return_json_schema(directoryPath, folder_path, projectName) {
   console.log("return_json_schema", directoryPath, folder_path, projectName);
 
@@ -61,7 +79,8 @@ function return_json_schema(directoryPath, folder_path, projectName) {
     if (folder.name == "schemas") {
       const jsonFiles = glob.sync(path.join(folder.path, "**/*.json"));
       var schemas = {};
-      jsonFiles.forEach((filePath) => {
+      let initContent = "";
+      jsonFiles.forEach(async (filePath) => {
         try {
           const fileContent = fs.readFileSync(filePath, "utf8");
           var jsonData = JSON.parse(fileContent);
@@ -69,15 +88,11 @@ function return_json_schema(directoryPath, folder_path, projectName) {
             .replace(/^.*[\\/]/, "")
             .replace(/\.[^/.]+$/, "");
           var route = jsonData[key];
-          console.log("FOLDER PATH", projectName);
           var values = [projectName, folder_path, route];
-          console.log("values", values);
           values = values.map(function (x) {
-            console.log("x", x);
             return x.replace("/", "").replace(".", "");
           }); // first replace first . / by empty string
           values = values.map(function (x) {
-            console.log("x", x);
             return x.replaceAll("/", separator).replaceAll(".", separator);
           }); // then replace all . / by separator
           console.log("values", values);
@@ -87,6 +102,22 @@ function return_json_schema(directoryPath, folder_path, projectName) {
             })
             .join(separator);
           schemas[filename] = jsonData;
+          initContent += "from ." + filename + " import *\n";
+          const { lines: jsonTypes } = await quicktypeJSONSchema(
+            filename,
+            fileContent
+          );
+          let pythonContent =
+            "from dataclasses_json import DataClassJsonMixin\n" +
+            jsonTypes.join("\n");
+          pythonContent = pythonContent.replace(
+            /@dataclass\nclass (\w+)(?:\s*\([^)]*\))?\s*:/g,
+            "@dataclass\nclass $1(DataClassJsonMixin):"
+          );
+          const pythonFile = path.join(folder.path, filename + ".py");
+          const initFile = path.join(folder.path, "__init__.py");
+          fs.writeFileSync(pythonFile, pythonContent);
+          fs.writeFileSync(initFile, initContent);
         } catch (error) {
           console.error(
             `Erreur lors de la lecture du fichier ${filePath}:`,
@@ -116,7 +147,11 @@ if (fs.existsSync(outputFile)) {
   fs.unlinkSync(outputFile);
 }
 
-const finalJson = {};
-finalJson[projectName] = return_json_schema(directoryPath, "", projectName);
+async function main() {
+  const finalJson = {};
+  finalJson[projectName] = return_json_schema(directoryPath, "", projectName);
+  console.log("FINAL", outputFile, finalJson);
+  fs.writeFileSync(outputFile, JSON.stringify(finalJson, null, 2));
+}
 
-fs.writeFileSync(outputFile, JSON.stringify(finalJson, null, 2));
+main();
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..9329510
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,822 @@
+{
+  "name": "@geode/opengeodeweb-microservice",
+  "version": "0.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@geode/opengeodeweb-microservice",
+      "version": "0.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "glob": "^11.0.3",
+        "quicktype-core": "^23.2.6"
+      },
+      "bin": {
+        "ogw-generate-schemas": "generate_schemas.js"
+      }
+    },
+    "node_modules/@glideapps/ts-necessities": {
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/@glideapps/ts-necessities/-/ts-necessities-2.2.3.tgz",
+      "integrity": "sha512-gXi0awOZLHk3TbW55GZLCPP6O+y/b5X1pBXKBVckFONSwF1z1E5ND2BGJsghQFah+pW7pkkyFb2VhUQI2qhL5w==",
+      "license": "MIT"
+    },
+    "node_modules/@isaacs/balanced-match": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@isaacs/balanced-match/-/balanced-match-4.0.1.tgz",
+      "integrity": "sha512-yzMTt9lEb8Gv7zRioUilSglI0c0smZ9k5D65677DLWLtWJaXIS3CqcGyUFByYKlnUj6TkjLVs54fBl6+TiGQDQ==",
+      "license": "MIT",
+      "engines": {
+        "node": "20 || >=22"
+      }
+    },
+    "node_modules/@isaacs/brace-expansion": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@isaacs/brace-expansion/-/brace-expansion-5.0.0.tgz",
+      "integrity": "sha512-ZT55BDLV0yv0RBm2czMiZ+SqCGO7AvmOM3G/w2xhVPH+te0aKgFjmBvGlL1dH+ql2tgGO3MVrbb3jCKyvpgnxA==",
+      "license": "MIT",
+      "dependencies": {
+        "@isaacs/balanced-match": "^4.0.1"
+      },
+      "engines": {
+        "node": "20 || >=22"
+      }
+    },
+    "node_modules/@isaacs/cliui": {
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
+      "integrity": "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==",
+      "license": "ISC",
+      "dependencies": {
+        "string-width": "^5.1.2",
+        "string-width-cjs": "npm:string-width@^4.2.0",
+        "strip-ansi": "^7.0.1",
+        "strip-ansi-cjs": "npm:strip-ansi@^6.0.1",
+        "wrap-ansi": "^8.1.0",
+        "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
+      },
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+      }
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+      "license": "MIT",
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+      },
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+      "license": "MIT",
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+      },
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+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
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+          "url": "https://feross.org/support"
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+      "license": "MIT",
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+        "signal-exit": "^4.0.1"
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+        "node": ">=14"
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+      "license": "ISC",
+      "dependencies": {
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+        "node": ">=8"
+      }
+    },
+    "node_modules/wrap-ansi-cjs/node_modules/strip-ansi": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-regex": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/yaml": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.1.tgz",
+      "integrity": "sha512-lcYcMxX2PO9XMGvAJkJ3OsNMw+/7FKes7/hgerGUYWIoWu5j/+YQqcZr5JnPZWzOsEBgMbSbiSTn/dv/69Mkpw==",
+      "license": "ISC",
+      "bin": {
+        "yaml": "bin.mjs"
+      },
+      "engines": {
+        "node": ">= 14.6"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
index f91ea0b..4ba7097 100644
--- a/package.json
+++ b/package.json
@@ -3,15 +3,13 @@
   "version": "0.0.0",
   "description": "Shared utilities and schema generator for OpenGeodeWeb ecosystem",
   "main": "generate_schemas.js",
-  "bin": {
-    "ogw-generate-schemas": "./generate_schemas.js"
-  },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 0",
     "build": "echo \"Error: no test specified\" && exit 0"
   },
   "dependencies": {
-    "glob": "^11.0.3"
+    "glob": "^11.0.3",
+    "quicktype-core": "^23.2.6"
   },
   "repository": {
     "type": "git",
@@ -32,5 +30,6 @@
   },
   "files": [
     "generate_schemas.js"
-  ]
+  ],
+  "type": "module"
 }
\ No newline at end of file
diff --git a/requirements.in b/requirements.in
index 1ce80f5..bbcb82b 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,2 +1,3 @@
 SQLAlchemy==2.0.43
-fastjsonschema==2.21.1
\ No newline at end of file
+fastjsonschema==2.21.1
+dataclasses_json==0.6.7
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 2d8547b..ca2fd1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,12 +4,24 @@
 #
 #    pip-compile --output-file=./requirements.txt ./requirements.in
 #
+dataclasses-json>=0
+    # via -r requirements.in
 fastjsonschema==2.21.1
     # via -r requirements.in
 greenlet>=3
     # via sqlalchemy
+marshmallow>=3
+    # via dataclasses-json
+mypy-extensions>=1
+    # via typing-inspect
+packaging==25.0
+    # via marshmallow
 sqlalchemy>=2
     # via -r requirements.in
 typing-extensions>=4
-    # via sqlalchemy
+    # via
+    #   sqlalchemy
+    #   typing-inspect
+typing-inspect>=0
+    # via dataclasses-json
 
diff --git a/src/opengeodeweb_microservice/database/data.py b/src/opengeodeweb_microservice/database/data.py
index 48dd967..02a02f3 100644
--- a/src/opengeodeweb_microservice/database/data.py
+++ b/src/opengeodeweb_microservice/database/data.py
@@ -38,7 +38,6 @@ def create(
         session = get_session()
         session.add(data_entry)
         session.flush()
-        session.commit()
         return data_entry
 
     @staticmethod
diff --git a/src/opengeodeweb_microservice/schemas.py b/src/opengeodeweb_microservice/schemas.py
new file mode 100644
index 0000000..04f5143
--- /dev/null
+++ b/src/opengeodeweb_microservice/schemas.py
@@ -0,0 +1,15 @@
+import os
+import glob
+import json
+
+type SchemaDict = dict[str, str]
+
+
+def get_schemas_dict(path: str) -> dict[str, SchemaDict]:
+    schemas_dict: dict[str, SchemaDict] = {}
+    for json_file in glob.glob(os.path.join(path, "*.json")):
+        filename = os.path.basename(json_file)
+        with open(os.path.join(path, json_file), "r") as file:
+            file_content = json.load(file)
+            schemas_dict[os.path.splitext(filename)[0]] = file_content
+    return schemas_dict