feat(#8): implement a wrapper to read data-gouv website and download …

…file

etl/requirements.txt

@@ -28,3 +28,5 @@ chainlit==0.5.1
 tornado>=6.3.3 # not directly required, pinned by Snyk to avoid a vulnerability
 aiohttp>=3.9.0 # not directly required, pinned by Snyk to avoid a vulnerability
 sentry_sdk==1.39.1
+
+beautifulsoup4==4.12.3

etl/update_database.py

@@ -0,0 +1,41 @@
+import os
+import requests
+from bs4 import BeautifulSoup
+
+DATA_GOUV_PATH = "https://www.data.gouv.fr/fr/datasets/repertoire-national-des-associations/"
+
+def read_data_gouv_page():
+    headers = {'User-Agent': None}
+    response = requests.get(DATA_GOUV_PATH, headers=headers)
+    if 200 <= response.status_code <= 300:
+        return response.content
+    raise Exception(response.content)
+
+def download_link(url: str, headers=None):
+    if url.endswith("download") or url.endswith((".pdf", ".docx", ".zip", ".exe", ".jpg", ".png")):
+        response = requests.get(url, headers=headers)
+        if  (200 <= response.status_code <= 300):
+            name = os.path.basename(url)
+            with open(name, "wb") as file:
+                file.write(response.content)
+            return name
+
+def search_and_download_data():
+    page = read_data_gouv_page()
+    soup = BeautifulSoup(page, 'html.parser')
+    links = soup.find_all('a', href=True)
+    links: list[str] = [
+        i["href"] for i in links if ("media.interieur.gouv" in i["href"])
+    ]
+    rna_import = [i for i in links if "rna_import" in i]
+    rna_waldec = [i for i in links if "rna_waldec" in i]
+
+    rna_import = sorted(rna_import, reverse=True)[0]
+    rna_waldec = sorted(rna_waldec, reverse=True)[0]
+
+    rna_import = download_link(rna_import)
+    rna_waldec = download_link(rna_waldec)
+    return rna_import, rna_waldec
+
+if __name__ == "__main__":
+    search_and_download_data()