From: Scott Worley <scottworley@scottworley.com>
Date: Sat, 30 Dec 2023 00:33:39 +0000 (-0800)
Subject: --quiet controls fetch cache hit rate report too
X-Git-Url: http://git.scottworley.com/paperdoorknob/commitdiff_plain/47e940089d73e13a8f7f1d12344c2eb9bcaa3454

--quiet controls fetch cache hit rate report too
---

diff --git a/args.py b/args.py
index c550672..67d8c3f 100644
--- a/args.py
+++ b/args.py
@@ -94,7 +94,8 @@ def spec_from_commandline_args() -> Iterator[Spec]:
         layout = BesideIconLayout(texifier, args.image_size)
     else:
         raise ValueError(f'Unknown layout: {args.layout}')
-    with CachingFetcher(args.cache_path, args.timeout) as fetcher:
+    log = (lambda _: None) if args.quiet else _print_status
+    with CachingFetcher(args.cache_path, args.timeout, log) as fetcher:
         with open(args.out + '.tex', 'wb') as texout:
             yield Spec(
                 args.url,
@@ -106,4 +107,4 @@ def spec_from_commandline_args() -> Iterator[Spec]:
                 layout,
                 args.geometry,
                 texout,
-                (lambda _: None) if args.quiet else _print_status)
+                log)
diff --git a/fetch.py b/fetch.py
index e998394..eb904a4 100644
--- a/fetch.py
+++ b/fetch.py
@@ -8,7 +8,7 @@
 from abc import ABC, abstractmethod
 from contextlib import contextmanager
 from sys import stderr
-from typing import IO, Iterator
+from typing import Callable, Iterator
 
 import requests
 import requests_cache
@@ -73,17 +73,16 @@ def DirectFetcher(timeout: int) -> Iterator[_SessionFetcher]:
 
 @contextmanager
 def CachingFetcher(
-        cache_path: str,
-        timeout: int,
-        report_stream: IO[str] = stderr) -> Iterator[_CachingFetcher]:
+    cache_path: str,
+    timeout: int,
+    log: Callable[[str], None] = lambda x: print(x, file=stderr),
+) -> Iterator[_CachingFetcher]:
     with requests_cache.CachedSession(cache_path, cache_control=True) as session:
         fetcher = _CachingFetcher(session, timeout)
         yield fetcher
         if fetcher.request_count > 0:
             percent = 100.0 * fetcher.cache_hit_count / fetcher.request_count
-            print(
-                f"Fetch cache hits: {fetcher.cache_hit_count} ({percent:.1f}%)",
-                file=report_stream)
+            log(f"Fetch cache hits: {fetcher.cache_hit_count} ({percent:.1f}%)")
 
 
 class FakeFetcher(Fetcher):
diff --git a/fetch_test.py b/fetch_test.py
index 5f21fee..59a1514 100644
--- a/fetch_test.py
+++ b/fetch_test.py
@@ -45,7 +45,10 @@ class TestFetch(unittest.TestCase):
 
     def testCacheHitRateReport(self) -> None:
         buf = StringIO()
-        with CachingFetcher("testcachehitratereportwithcl", TIMEOUT, buf) as f:
+
+        def log(msg: str) -> None:
+            print(msg, file=buf)
+        with CachingFetcher("testcachehitratereportwithcl", TIMEOUT, log) as f:
             for _ in range(7):
                 f.fetch(f"http://localhost:{self._port}")
         self.assertEqual("Fetch cache hits: 6 (85.7%)\n", buf.getvalue())