Editorconfig, lintian, slightly better output.

.editorconfig

@@ -0,0 +1,12 @@
+# Editor config -- see http://editorconfig.org/
+root = true
+
+# Unix-style newlines
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# 4 space indentation
+[*.py]
+indent_style = space
+indent_size = 4

slideslurp/__init__.py

@@ -1,45 +1,44 @@
+""" Slideslurp scrapes a PDF from SlideShare.net (LinkedIn). """
+
 import argparse
 import sys
-
+import urllib
 import bs4
 import requests
-from urllib.parse import urlparse
-
-from reportlab.pdfgen import canvas
-
+import reportlab.pdfgen.canvas
 
 def parse_args():
+    """ Parse the command-line arguments. """
     descr = "Generate PDFs from Slideshare presentations"
 
     parser = argparse.ArgumentParser(description=descr)
     parser.add_argument('url', metavar='url', nargs=1,
                         help='the URL to slurp')
-    parser.add_argument('--output', '-o',  default=None,
-                        help='the file to write to (default: out.pdf)')
+    parser.add_argument('--out', '--output', '-o', default=None,
+                        help='force the output file name')
 
     args = parser.parse_args()
-    if not args.output:
-        path = urlparse(args.url[0]).path
-        args.output = '%s.pdf'%path[path.find('/', 1) + 1:]
+    if not args.out:
+        path = urllib.parse.urlparse(args.url[0]).path
+        args.out = '%s.pdf'%path[path.find('/', 1) + 1:]
     return args
 
 def main():
+    """ Main function. """
     args = parse_args()
 
     res = requests.get(args.url[0])
-
     tree = bs4.BeautifulSoup(res.text, "html.parser")
-    c = canvas.Canvas(args.output)
+    canvas = reportlab.pdfgen.canvas.Canvas(args.out)
 
     for img in tree.findAll("img", class_="slide_image"):
         img_url = img.attrs["data-full"]
-        page_width, page_height = c._pagesize
-        c.setPageRotation(90)
-        c.drawImage(img_url, 0, 0, page_height, page_width,
+        page_width, page_height = canvas._pagesize
+        canvas.drawImage(img_url, 0, 0, page_height, page_width,
                          preserveAspectRatio=True)
-        c.showPage()
-    c.save()
-
+        canvas.setPageSize((page_height, page_width))
+        canvas.showPage()
+    canvas.save()
 
 if __name__ == '__main__':
     main()