refactor project structure

Dockerfile

@@ -10,4 +10,4 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 VOLUME [ "/data" ]
 
-CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "80", "--log-config", "config/logger.yaml"]
\ No newline at end of file
+CMD ["uvicorn", "src.server:app", "--host", "0.0.0.0", "--port", "80", "--log-config", "config/logger.yaml"]
\ No newline at end of file

config.yaml

-# Working path
-WORKING_PATH: "/data"
-# Name of the Preservation files (without extension)
-FILES_NAME: "test"

config/args.yaml

+FILES_NAME: test
+FilesName: filename
+WORKING_PATH: /data
+WorkingPath: /home/user/preservation

config/server.yaml

+title: Packager
+description: |
+  [![MPAI CAE-ARP](https://img.shields.io/badge/MPAI%20CAE--ARP-gray?style=for-the-badge&logo=AppleMusic&logoColor=cyan&link=https://mpai.community/standards/mpai-cae/about-mpai-cae/)](https://mpai.community/standards/mpai-cae/about-mpai-cae/)
+
+  Implements the Technical Specification of [MPAI CAE-ARP](https://mpai.community/standards/mpai-cae/about-mpai-cae/#Figure2) *Packager* AIM, providing:
+  * Access Copy Files:
+    1. Restored Audio Files;
+    2. Editing List;
+    3. Set of Irregularity Images in a .zip file;
+    4. Irregularity File.
+  * Preservation Master Files:
+    1. Preservation Audio File;
+    2. Preservation Audio-Visual File where the audio has been replaced with the Audio of the Preservation Audio File
+      fully synchronised with the video;
+    3. Set of Irregularity Images in a .zip file;
+    4. Irregularity File.
+version: "1.0.1"
+contact:
+  name: Nadir Dalla Pozza
+  email: nadir.dallapozza@unipd.it
+license_info:
+  name: GNU General Public License v3.0
+  url: https://www.gnu.org/licenses/gpl-3.0.en.html
\ No newline at end of file

requirements.txt

 anyio==3.6.2
+appdirs==1.4.4
+audioread==3.0.0
 certifi==2022.12.7
+cffi==1.15.1
 charset-normalizer==3.1.0
 click==8.1.3
 decorator==4.4.2
@@ -15,20 +18,35 @@ imageio==2.27.0
 imageio-ffmpeg==0.4.8
 itsdangerous==2.1.2
 Jinja2==3.1.2
+joblib==1.2.0
+lazy_loader==0.2
+librosa==0.10.0.post2
+llvmlite==0.39.1
 MarkupSafe==2.1.2
 moviepy==1.0.3
-numpy==1.24.2
+mpai-cae-arp==0.2.0
+msgpack==1.0.5
+numba==0.56.4
+numpy==1.23.3
 orjson==3.8.9
+packaging==23.0
 Pillow==9.5.0
+pooch==1.6.0
 proglog==0.1.10
+pycparser==2.21
 pydantic==1.10.7
 python-dotenv==1.0.0
 python-multipart==0.0.6
 PyYAML==6.0
 requests==2.28.2
 rfc3986==1.5.0
+scikit-learn==1.2.2
+scipy==1.10.1
 sniffio==1.3.0
+soundfile==0.12.1
+soxr==0.3.4
 starlette==0.26.1
+threadpoolctl==3.1.0
 tqdm==4.65.0
 typing_extensions==4.5.0
 ujson==5.7.0

server.py

-import subprocess
-import yaml
-from fastapi import FastAPI, Response, status
-
-from packager import __author__, __version__, __license__, __email__, __maintainer__
-
-description ="""
-[![MPAI CAE-ARP](https://img.shields.io/badge/MPAI%20CAE--ARP-gray?style=for-the-badge&logo=AppleMusic&logoColor=cyan&link=https://mpai.community/standards/mpai-cae/about-mpai-cae/)](https://mpai.community/standards/mpai-cae/about-mpai-cae/)
-
-Implements the Technical Specification of [MPAI CAE-ARP](https://mpai.community/standards/mpai-cae/about-mpai-cae/#Figure2) *Packager* AIM, providing:
-* Access Copy Files:
-  1. Restored Audio Files;
-  2. Editing List;
-  3. Set of Irregularity Images in a .zip file;
-  4. Irregularity File.
-* Preservation Master Files:
-  1. Preservation Audio File;
-  2. Preservation Audio-Visual File where the audio has been replaced with the Audio of the Preservation Audio File
-     fully synchronised with the video;
-  3. Set of Irregularity Images in a .zip file;
-  4. Irregularity File.
-"""
-
-app = FastAPI(
-    title="Tape Audio Restoration",
-    description=description,
-    version=__version__,
-    contact={
-        "name": __maintainer__,
-        "email": __email__
-    },
-    license_info={
-        "name": __license__,
-    }
-)
-
-
-@app.get("/")
-def index() -> list[str]:
-    return ["restore", "description" "docs"]
-
-
-@app.get("/description")
-def get_server_info():
-    return {
-        "name": "Packager",
-        "version": __version__,
-        "author": __author__,
-        "email": __email__,
-        "license": __license__,
-        "maintainer": __maintainer__,
-        "description": description
-    }
-
-
-@app.get("/package", status_code=200)
-async def predict(response: Response, files_name: str, working_path: str | None = None):
-    
-    process = [
-        "python",
-        "packager.py",
-        ]
-
-    # Read configuration file
-    with open("config.yaml") as yaml_file:
-        config = yaml.safe_load(yaml_file)
-
-    # Update configuration file with query parameters
-    config["FilesName"] = files_name
-    if working_path is not None:
-        config["WorkingPath"] = working_path
-    with open("config.yaml", "w") as yaml_file:
-        yaml.dump(config, yaml_file)
-
-    cprocess = subprocess.run(process, capture_output=True)
-
-    if cprocess.returncode == 0:
-        return {"message": "Package created successfully"}
-
-    else:
-        response.status_code = status.HTTP_412_PRECONDITION_FAILED
-        return {"error": {
-            "returncode": cprocess.returncode,
-            "stdout": cprocess.stdout.decode("utf-8"),
-            "stderr": cprocess.stderr.decode("utf-8"),
-        }}

packager.py → src/packager.py

@@ -4,7 +4,7 @@
 MPAI CAE-ARP Packager.
 
 Implements MPAI CAE-ARP Packager Technical Specification, providing:
-- Access Copy Files:
+- Access Copy Files:Images
   1. Restored Audio Files.
   2. Editing List.
   3. Set of Irregularity Images in a .zip file.
@@ -53,8 +53,8 @@ class CC:
 
 def get_arguments() -> tuple[str, str]:
     """
-    Method to obtain arguments from config.yaml file or command line.
-    Default config.yaml, ignored if a command line argument is passed.
+    Method to obtain arguments from config/args.yaml file or command line.
+    Default config/args.yaml, ignored if a command line argument is passed.
     :return: tuple consisting of two strings:
              1) the working path;
              2) the name of the Preservation files, which is key element to retrieve necessary files.
@@ -65,7 +65,7 @@ def get_arguments() -> tuple[str, str]:
             prog="python3 packager.py",
             formatter_class=RawTextHelpFormatter,
             description="A tool that implements MPAI CAE-ARP Packager Technical Specification.\n"
-                        "By default, the configuration parameters are loaded from ./config.yaml file,\n"
+                        "By default, the configuration parameters are loaded from ./config/args.yaml file,\n"
                         "but, alternately, you can pass command line arguments to replace them."
         )
         parser.add_argument(
@@ -87,15 +87,15 @@ def get_arguments() -> tuple[str, str]:
         # Read from configuration file
         config = object
         try:
-            config = yaml.safe_load(open('./config.yaml', 'r'))
+            config = yaml.safe_load(open('./config/args.yaml', 'r'))
             if 'WORKING_PATH' not in config:
-                print(CC.RED + 'WORKING_PATH key not found in config.yaml!' + CC.END)
+                print(CC.RED + 'WORKING_PATH key not found in config/args.yaml!' + CC.END)
                 quit(os.EX_CONFIG)
             if 'FILES_NAME' not in config:
-                print(CC.RED + 'FILES_NAME key not found in config.yaml!' + CC.END)
+                print(CC.RED + 'FILES_NAME key not found in config/args.yaml!' + CC.END)
                 quit(os.EX_CONFIG)
         except FileNotFoundError:
-            print(CC.RED + 'config.yaml file not found!' + CC.END)
+            print(CC.RED + 'config/args.yaml file not found!' + CC.END)
             quit(os.EX_NOINPUT)
         working_path = config['WORKING_PATH']
         files_name = config['FILES_NAME']
@@ -159,7 +159,7 @@ def main():
     print(CC.BOLD + "\nWelcome to ARP Packager!" + CC.END)
     print("You are using Python version: " + sys.version)
 
-    # Get the input from config.yaml or command line
+    # Get the input from config/args.yaml or command line
     working_path, files_name = get_arguments()
     # Check if input is correct
     temp_path = check_input(working_path, files_name)

src/server.py

+import subprocess
+from fastapi import FastAPI, Response, status, Query
+from typing import Annotated
+
+from mpai_cae_arp.files import File, FileType
+from mpai_cae_arp.types.schema import Info
+
+info = File("config/server.yaml", FileType.YAML).get_content()
+app = FastAPI(**info)
+
+
+@app.get("/")
+def list_all_entrypoints() -> list[str]:
+    """
+    Get the list of available main routes.
+    """
+    return ["restore", "description", "docs"]
+
+
+@app.get("/description")
+def get_server_info() -> Info:
+    """
+    Retrieve all the informations about the software running on the server.
+    """
+    return info
+
+
+@app.get("/package", status_code=200)
+async def predict(
+        response: Response,
+        files_name: Annotated[str, Query(
+            description="Name of the audio/video file to be analyzed without the extension.",
+            example="filename"
+        )],
+        working_path: Annotated[str, Query(
+            description="Path to the directory containing the preservation files.",
+            examples={
+                "Absolute path": {"value": "/home/user/preservation"},
+                "Relative path": {"value": "preservation"}
+            }
+        )] = None
+    ):
+    
+    process = [
+        "python",
+        "src/packager.py",
+        ]
+
+    config_file = File("config/args.yaml", FileType.YAML)
+    # Read configuration file
+    config = config_file.get_content()
+
+    # Update configuration file with query parameters
+    config["FilesName"] = files_name
+    if working_path is not None:
+        config["WorkingPath"] = working_path
+    config_file.write_content(config)
+
+
+    cprocess = subprocess.run(process, capture_output=True)
+
+    if cprocess.returncode == 0:
+        return {"message": "Package created successfully"}
+
+    else:
+        response.status_code = status.HTTP_412_PRECONDITION_FAILED
+        return {"error": {
+            "returncode": cprocess.returncode,
+            "stdout": cprocess.stdout.decode("utf-8"),
+            "stderr": cprocess.stderr.decode("utf-8"),
+        }}