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[tumblr] warn when unable to fetch higher-resolution images (#2957)

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and download the smaller version
instead of failing with a 404 error
This commit is contained in:
Mike Fährmann
2022-09-26 12:05:34 +02:00
parent 08b0c4c0b1
commit 32c30754d1
1 changed files with 25 additions and 10 deletions
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35
gallery_dl/extractor/tumblr.py
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@@ -116,8 +116,10 @@ class TumblrExtractor(Extractor):
if self.original and "/s2048x3072/" in photo["url"] and (
photo["width"] == 2048 or photo["height"] == 3072):
photo["url"] = self._original_photo(photo["url"])
try:
photo["url"] = self._original_photo(photo["url"])
except Exception:
self._warn_original(photo["url"], post)
del photo["original_size"]
del photo["alt_sizes"]
posts.append(
@@ -138,7 +140,10 @@ class TumblrExtractor(Extractor):
# API response, but they can't contain images/videos anyway
body = post["reblog"]["comment"] + post["reblog"]["tree_html"]
for url in _findall_image(body):
url = self._original_inline_image(url)
try:
url = self._original_inline_image(url)
except Exception:
self._warn_original(url, post)
posts.append(self._prepare_image(url, post.copy()))
for url in _findall_video(body):
url = self._original_video(url)
@@ -218,23 +223,33 @@ class TumblrExtractor(Extractor):
return self.blog != post.get("reblogged_root_uuid")
def _original_photo(self, url):
return self._update_image_token(
url.replace("/s2048x3072/", "/s99999x99999/", 1))
resized = url.replace("/s2048x3072/", "/s99999x99999/", 1)
return self._update_image_token(resized)
def _original_inline_image(self, url):
if self.original:
url, n = self._subn_orig_image("/s99999x99999/", url, 1)
resized, n = self._subn_orig_image("/s99999x99999/", url, 1)
if n:
return self._update_image_token(url)
return self._update_image_token(resized)
return self._sub_image(r"https://\1_1280.\2", url)
def _original_video(self, url):
return self._sub_video(r"https://\1.\2", url)
def _update_image_token(self, url):
def _update_image_token(self, resized):
headers = {"Accept": "text/html,*/*;q=0.8"}
response = self.request(url, headers=headers)
return text.extract(response.text, '" src="', '"')[0]
for _ in range(3):
response = self.request(resized, headers=headers)
updated = text.extract(response.text, '" src="', '"')[0]
if updated != resized:
return updated
raise RuntimeError("invalid token")
def _warn_original(self, url, post):
self.log.warning("Unable to fetch higher-resolution "
"version of %s (%s)", url, post["id"])
class TumblrUserExtractor(TumblrExtractor):