From 3317581a9698f4dea925e73ebe8a41aa4705fbfb Mon Sep 17 00:00:00 2001
From: Richard Hitier <hitier.richard@gmail.com>
Date: Mon, 30 Oct 2023 16:25:18 +0100
Subject: [PATCH] Rewrite the csv_file_exist test

---
 web/run.py | 57 +++++++++++++++++++++++++++++----------------------------
 1 file changed, 29 insertions(+), 28 deletions(-)

diff --git a/web/run.py b/web/run.py
index 96ac575..20e1417 100755
--- a/web/run.py
+++ b/web/run.py
@@ -976,16 +976,18 @@ def generate_csv_file_if_needed(target_slug, input_slug,
                                     stopped_at.strftime(FILE_DATE_FMT))
     local_csv_file = join(CACHE_DIR, filename)
 
-    generate = True
+    skip_generation = False
+
+    # It needs to have more than one line to not be empty (headers)
     if isfile(local_csv_file):
-        # It needs to have more than one line to not be empty (headers)
         with open(local_csv_file) as f:
-            cnt = 0
-            for _ in f:
-                cnt += 1
-                if cnt > 1:
-                    generate = False
-                    break
+            skip_generation = len(f.readlines()) > 0
+
+    if skip_generation:
+        hp_logger.debug(f"{local_csv_file} already exists")
+        return None
+    else:
+        hp_logger.debug(f"{local_csv_file} doesnt exist or is empty")
 
     # temporary switch while migrating each target to spz
     if target_slug in ['rosetta', 'juno', 'p67']:
@@ -993,26 +995,25 @@ def generate_csv_file_if_needed(target_slug, input_slug,
     else:
         csv_generator = generate_csv_contents_spz
 
-    if generate:
-        hp_logger.info("Generating CSV '%s'..." % local_csv_file)
-        try:
-            with open(local_csv_file, mode="w+") as f:
-                f.write(csv_generator(
-                    target_slug=target_slug, input_slug=input_slug,
-                    started_at=started_at, stopped_at=stopped_at
-                ))
-            hp_logger.info("Generation of '%s' done." % filename)
-        except Exception as e:
-            from sys import exc_info
-            from traceback import extract_tb
-            exc_type, exc_value, exc_traceback = exc_info()
-            hp_logger.error(e)
-            for trace in extract_tb(exc_traceback):
-                hp_logger.error(trace)
-            if isfile(local_csv_file):
-                hp_logger.warning("Removing failed CSV '%s'..." % local_csv_file)
-                removefile(local_csv_file)
-            abort(500, "Failed creating CSV '%s' : %s" % (filename, e))
+    hp_logger.info("Generating CSV '%s'..." % local_csv_file)
+    try:
+        with open(local_csv_file, mode="w+") as f:
+            f.write(csv_generator(
+                target_slug=target_slug, input_slug=input_slug,
+                started_at=started_at, stopped_at=stopped_at
+            ))
+        hp_logger.info("Generation of '%s' done." % filename)
+    except Exception as e:
+        from sys import exc_info
+        from traceback import extract_tb
+        exc_type, exc_value, exc_traceback = exc_info()
+        hp_logger.error(e)
+        for trace in extract_tb(exc_traceback):
+            hp_logger.error(trace)
+        if isfile(local_csv_file):
+            hp_logger.warning("Removing failed CSV '%s'..." % local_csv_file)
+            removefile(local_csv_file)
+        abort(500, "Failed creating CSV '%s' : %s" % (filename, e))
 
 
 def remove_all_files(in_directory):
--
libgit2 0.21.2