[imagehosts] provide 'post_url' metadata (#6582)

https://github.com/mikf/gallery-dl/issues/6582#issuecomment-3520249958

gallery_dl/extractor/imagehosts.py

@@ -66,6 +66,7 @@ class ImagehostImageExtractor(Extractor):
         else:
             data = text.nameext_from_url(url)
         data["token"] = self.token
+        data["post_url"] = self.page_url
         data.update(self.metadata(page))
 
         if self._https and url.startswith("http:"):

test/results/pixhost.py

@@ -13,8 +13,13 @@ __tests__ = (
     "#category": ("imagehost", "pixhost", "image"),
     "#class"   : imagehosts.PixhostImageExtractor,
     "#sha1_url"     : "4e5470dcf6513944773044d40d883221bbc46cff",
-    "#sha1_metadata": "3bad6d59db42a5ebbd7842c2307e1c3ebd35e6b0",
     "#sha1_content" : "0c8768055e4e20e7c7259608b67799171b691140",
+
+    "filename" : "130327671_test-",
+    "extension": "png",
+    "directory": "190",
+    "token"    : "130327671",
+    "post_url" : "https://pixhost.to/show/190/130327671_test-.png",
 },
 
 {

test/results/postimg.py

@@ -13,6 +13,11 @@ __tests__ = (
     "#category": ("imagehost", "postimg", "image"),
     "#class"   : imagehosts.PostimgImageExtractor,
     "#results" : "https://i.postimg.cc/PhJZt1Rw/test-tesuto.png?dl=1",
+
+    "filename" : "test-テスト-\"&>",
+    "extension": "png",
+    "token"    : "Wtn2b3hC",
+    "post_url" : "https://postimg.cc/Wtn2b3hC",
 },
 
 {
@@ -34,9 +39,10 @@ __tests__ = (
     "#results"      : "https://i.postimg.cc/PhJZt1Rw/test-tesuto.png?dl=1",
     "#sha1_content" : "cfaa8def53ed1a575e0c665c9d6d8cf2aac7a0ee",
 
-    "extension": "png",
     "filename" : "test-テスト-\"&>",
+    "extension": "png",
     "token"    : "Wtn2b3hC",
+    "post_url" : "https://postimg.cc/Wtn2b3hC",
 },
 
 {

test/results/turboimagehost.py

@@ -13,12 +13,16 @@ __tests__ = (
     "#category": ("imagehost", "turboimagehost", "image"),
     "#class"   : imagehosts.TurboimagehostImageExtractor,
     "#sha1_url"     : "b94de43612318771ced924cb5085976f13b3b90e",
-    "#sha1_metadata": "704757ca8825f51cec516ec44c1e627c1f2058ca",
     "#sha1_content" : (
         "f38b54b17cd7462e687b58d83f00fca88b1b105a",
         "0c8768055e4e20e7c7259608b67799171b691140",
         "961b25d85b5f5bd18cbe3e847ac55925f14d0286"
     ),
+
+    "filename" : "test--",
+    "extension": "png",
+    "token"    : "39078423",
+    "post_url" : "https://www.turboimagehost.com/p/39078423/test--.png.html",
 },
 
 {