Almost fully works now

__main__.py

@@ -1,6 +1,7 @@
-from scraper import Scraper, Category
+from scraper import Scraper, Category, Image
+import sys
 
 
 if __name__ == "__main__":
     scraper = Scraper()
-    print(scraper.images)
+    scraper.download(sys.argv[1])

scraper.py

@@ -3,6 +3,8 @@ import requests
 import re
 from urllib.parse import urlunsplit
 from multiprocessing.dummy import Pool as ThreadPool
+import os
+import shutil
 
 
 DOMAIN = "4kwallpapers.com"
@@ -18,7 +20,7 @@ class PageHandler:
         return urlunsplit(("https", self.domain, self.path, "", ""))
 
     def get(self, path="", query="", soup=True):
-        r = requests.get(self.relative_url(path, query))
+        r = requests.get(self.relative_url(path, query), allow_redirects=True)
 
         if r.status_code != 200:
             raise requests.exceptions.RequestException()
@@ -31,7 +33,7 @@ class PageHandler:
     def relative_url(self, path="", query=""):
         return urlunsplit(("https", self.domain, "/".join((self.path,
                                                         path.strip("/"))),
-                          query, ""))
+                          query, "")).strip("/")
 
 
 class Scraper(PageHandler):
@@ -62,6 +64,10 @@ class Scraper(PageHandler):
     def images(self):
         return sum([cat.images for cat in self.categories], [])
 
+    def download(self, dir_path):
+        for cat in self.categories:
+            cat.download(dir_path)
+
 
 class Category(PageHandler):
     def __init__(self, name, domain, path):
@@ -69,6 +75,7 @@ class Category(PageHandler):
 
         self.name = name
         self._images = None
+        self._pool = ThreadPool(50)
 
     @property
     def images(self):
@@ -94,30 +101,38 @@ class Category(PageHandler):
             pages = [self.relative_url(query="page={}".format(i))
                      for i in range(1, count + 1)]
 
-            self._images = []
-            for i in range(1, count + 1):
-                soup = self.get(query="page={}".format(i))
+            def helper(page_num):
+                soup = self.get(query="page={}".format(page_num))
 
                 pics_list = soup.find("div", id="pics-list")
-                self._images.extend(
-                    [Image(self.domain, anchor["href"])
-                     for anchor in pics_list.findAll("a",class_="wallpapers__canvas_image")])
+
+                return [Image(self.domain, anchor["href"])
+                        for anchor in pics_list.findAll("a", class_="wallpapers__canvas_image")]
+
+            self._images = sum(self._pool.map(helper, range(1, count + 1)), [])
 
         return self._images
 
+    def download(self, dir_path):
+        dir_path = os.path.join(dir_path, self.name)
+
+        os.makedirs(dir_path, exist_ok=True)
+
+        self._pool.map(lambda image: image.download(dir_path), self.images)
 
 class Image(PageHandler):
     def __init__(self, domain, path):
         super().__init__(domain, path)
 
         self._image_url = None
-        self._original_image_url = None
 
     def _get_urls(self):
         soup = self.get()
 
-        self._image_url = soup.find("a", id="resolution")["href"]
-        self._original_image_url = soup.find("a", class_="original")["href"]
+        self._image_url = urlunsplit(("https", self.domain,
+                                     soup.find("a",
+                                               class_="original")["href"].strip("/"),
+                                     "", ""))
 
     @property
     def image_url(self):
@@ -126,9 +141,9 @@ class Image(PageHandler):
 
         return self._image_url
 
-    @property
-    def original_image_url(self):
-        if not self._original_image_url:
-            self._get_urls()
+    def download(self, dir_path):
+        filename = os.path.basename(self.image_url)
 
-        return self._original_image_url
+        with requests.get(self.image_url, stream=True) as r:
+            with open(os.path.join(dir_path, filename), "wb") as f:
+                shutil.copyfileobj(r.raw, f)