process: keep the original run.log when a re-run renders nothing; dispatch input to override the voice URL (testing); drop netcheck

_pipeline/process.py

@@ -193,6 +193,7 @@ def run_text_stages(cfg, pdf, title, author):
 
 
 def run_audio_stages(cfg, book_dir, book, force):
+    """Returns True if any audio was rendered."""
     out_dir = settings.audio_dir(cfg, book_dir)
     built = book.setdefault("audio_built", {})
     todo = []
@@ -228,10 +229,12 @@ def run_audio_stages(cfg, book_dir, book, force):
             print("voice model unloaded to free the GPU")
     else:
         print("nothing to render")
+    rendered = bool(todo)
     step("ACX check")
     rc = acx_check.run(cfg, [out_dir])
     if rc != 0:
         raise Failed("ACX check FAILED (see the table above); nothing should be committed")
+    return rendered
 
 
 def process(cfg, pdf, dry_run=False, force=False, title=None, author=None, compare=None, result_file=None, compare_strict=False):
@@ -244,6 +247,7 @@ def process(cfg, pdf, dry_run=False, force=False, title=None, author=None, compa
     real_out = sys.stdout
     sys.stdout = Tee(real_out, log)
     book_dir = None
+    rendered = False
     try:
         print("process %s%s" % (os.path.basename(pdf), "  [DRY RUN: text stages only]" if dry_run else ""))
         book_dir, book = run_text_stages(cfg, pdf, title, author)
@@ -269,7 +273,7 @@ def process(cfg, pdf, dry_run=False, force=False, title=None, author=None, compa
             print("voice server reachable:", h)
         else:
             try:
-                run_audio_stages(cfg, book_dir, book, force)
+                rendered = run_audio_stages(cfg, book_dir, book, force)
             except voice.VoiceError as e:
                 raise Failed("voice: %s" % e)
         print("\nPROCESS OK: %s" % book_dir)
@@ -284,7 +288,7 @@ def process(cfg, pdf, dry_run=False, force=False, title=None, author=None, compa
         rc = 1
     finally:
         sys.stdout = real_out
-    if rc == 0 and book_dir and not dry_run:
+    if rc == 0 and book_dir and not dry_run and rendered:     # a re-run that renders nothing keeps the original log
         out_dir = settings.audio_dir(cfg, book_dir)
         os.makedirs(out_dir, exist_ok=True)
         with open(os.path.join(out_dir, "run.log"), "w", encoding="utf-8") as f: