added extractor 'imagebam'

gallery_dl/extractor/imagebam.py

@@ -0,0 +1,45 @@
+from .common import AsyncExtractor
+
+class Extractor(AsyncExtractor):
+
+    def __init__(self, match, config):
+        AsyncExtractor.__init__(self, config)
+        self.category  = "imagebam"
+        self.directory = self.get_title(match)  + " - " + match.group(2)
+
+    def images(self):
+        next_url = self.url
+        num  = 1
+        done = False
+        while not done:
+            # get current page
+            text = self.request("http://www.imagebam.com" + next_url).text
+
+            # get url for next page
+            next_url, pos = self.extract(text, "<a class='buttonblue' href='", "'")
+
+            # if the following text isn't "><span>next image" we are done
+            if not text.startswith("><span>next image", pos):
+                done = True
+
+            # get image url
+            img_url , pos = self.extract(text, 'onclick="scale(this);" src="', '"', pos)
+
+            # extract filename from image url
+            name = img_url[img_url.rindex("/")+1:]
+
+            yield img_url, "{:>03}-{}".format(num, name)
+            num += 1
+
+    def get_title(self, match):
+        if match.group(1) == "image":
+            text = self.request(match.group(0)).text
+            gallery_url, _ = self.extract(text, "class='gallery_title'><a href='", "'")
+        else:
+            gallery_url = "http://www.imagebam.com/gallery/" + match.group(2)
+
+        text = self.request(gallery_url).text
+        _       , pos = self.extract(text, "<img src='/img/icons/photos.png'", "")
+        title   , pos = self.extract(text, "'> ", " <", pos)
+        self.url, pos = self.extract(text, "<a href='http://www.imagebam.com", "'", pos)
+        return title