feat: add current PAPI branch+commit in the docs' description

ai4papi/conf.py

@@ -4,6 +4,7 @@
 
 from pathlib import Path
 from string import Template
+import subprocess
 
 import yaml
 
@@ -79,3 +80,19 @@ def load_yaml_conf(fpath):
             'values': yml[1],
         }
     }
+
+
+# Retrieve git info from PAPI, to show current version in the docs
+papi_commit = subprocess.run(
+    ['git', 'log', '-1', '--format=%H'],
+    stdout=subprocess.PIPE,
+    text=True,
+    cwd=main_path,
+    ).stdout.strip()
+papi_branch = subprocess.run(
+    ['git', 'rev-parse', '--abbrev-ref', '--symbolic-full-name', '@{u}'],
+    stdout=subprocess.PIPE,
+    text=True,
+    cwd=main_path,
+    ).stdout.strip()
+papi_branch = papi_branch.split('/')[-1]  # remove the "origin/" part

ai4papi/main.py

@@ -6,7 +6,7 @@
 import fastapi
 import uvicorn
 
-from ai4papi.conf import MAIN_CONF, paths
+from ai4papi.conf import MAIN_CONF, paths, papi_branch, papi_commit
 from fastapi.responses import FileResponse
 from ai4papi.routers import v1
 from ai4papi.routers.v1.stats.deployments import get_cluster_stats_bg
@@ -39,7 +39,11 @@
     "This work is co-funded by [AI4EOSC](https://ai4eosc.eu/) project that has "
     "received funding from the European Union's Horizon Europe 2022 research and "
     "innovation programme under agreement No 101058593"
+    "<br><br>"
 
+    "PAPI version:"
+    f"[`ai4-papi/{papi_branch}@{papi_commit[:5]}`]"
+    f"(https://github.com/ai4os/ai4-papi/tree/{papi_commit})"
 )
 
 @asynccontextmanager