prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Provide "best" sort for front page (models.Front)
  The new "best" sort for the front page isn't currently available via PRAW. See [this Reddit thread](https://www.reddit.com/r/redditdev/comments/8h8ijn/how_do_you_sort_best_via_the_api/).
  
  </issue>
  <code>
  [start of praw/models/front.py]
  1 """Provide the Front class."""
  2 from .listing.mixins import SubredditListingMixin
  3 
  4 
  5 class Front(SubredditListingMixin):
  6     """Front is a Listing class that represents the front page."""
  7 
  8     def __init__(self, reddit):
  9         """Initialize a Front instance."""
  10         super(Front, self).__init__(reddit, None)
  11         self._path = '/'
  12
  [end of praw/models/front.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/praw/models/front.py b/praw/models/front.py
  --- a/praw/models/front.py
  +++ b/praw/models/front.py
  @@ -1,4 +1,6 @@
   """Provide the Front class."""
  +from ..const import urljoin
  +from .listing.generator import ListingGenerator
   from .listing.mixins import SubredditListingMixin
   
   
  @@ -9,3 +11,13 @@
           """Initialize a Front instance."""
           super(Front, self).__init__(reddit, None)
           self._path = '/'
  +
  +    def best(self, **generator_kwargs):
  +        """Return a ListingGenerator for best items.
  +
  +        Additional keyword arguments are passed in the initialization of
  +        :class:`.ListingGenerator`.
  +
  +        """
  +        return ListingGenerator(self._reddit, urljoin(self._path, 'best'),
  +                                **generator_kwargs)
  
verification_info: {"golden_diff": "diff --git a/praw/models/front.py b/praw/models/front.py\n--- a/praw/models/front.py\n+++ b/praw/models/front.py\n@@ -1,4 +1,6 @@\n \"\"\"Provide the Front class.\"\"\"\n+from ..const import urljoin\n+from .listing.generator import ListingGenerator\n from .listing.mixins import SubredditListingMixin\n \n \n@@ -9,3 +11,13 @@\n         \"\"\"Initialize a Front instance.\"\"\"\n         super(Front, self).__init__(reddit, None)\n         self._path = '/'\n+\n+    def best(self, **generator_kwargs):\n+        \"\"\"Return a ListingGenerator for best items.\n+\n+        Additional keyword arguments are passed in the initialization of\n+        :class:`.ListingGenerator`.\n+\n+        \"\"\"\n+        return ListingGenerator(self._reddit, urljoin(self._path, 'best'),\n+                                **generator_kwargs)\n", "issue": "Provide \"best\" sort for front page (models.Front)\nThe new \"best\" sort for the front page isn't currently available via PRAW. See [this Reddit thread](https://www.reddit.com/r/redditdev/comments/8h8ijn/how_do_you_sort_best_via_the_api/).\n", "before_files": [{"content": "\"\"\"Provide the Front class.\"\"\"\nfrom .listing.mixins import SubredditListingMixin\n\n\nclass Front(SubredditListingMixin):\n    \"\"\"Front is a Listing class that represents the front page.\"\"\"\n\n    def __init__(self, reddit):\n        \"\"\"Initialize a Front instance.\"\"\"\n        super(Front, self).__init__(reddit, None)\n        self._path = '/'\n", "path": "praw/models/front.py"}]}