Adjust for pikepdf API change

setup.py

@@ -248,7 +248,7 @@ setup(
     install_requires=[
         'cffi >= 1.9.1',          # must be a setup and install requirement
         'img2pdf >= 0.2.4',       # pure Python, so track HEAD closely
-        'pikepdf',
+        'pikepdf >= 0.2.0',
         'Pillow >= 4.0.0, != 5.1.0 ; sys_platform == "darwin"',
                                   # Pillow < 4 has BytesIO/TIFF bug w/img2pdf 0.2.3
                                   # block 5.1.0, broken wheels

src/ocrmypdf/_weave.py

@@ -71,11 +71,11 @@ def _weave_layers_graft(
     # content may have a rotation applied. Wrap the text stream with a rotation
     # so it will be oriented the same way as the rest of the page content.
     # (Previous versions OCRmyPDF rotated the content layer to match the text.)
-    mediabox = [float(pdf_text.pages[0].MediaBox[v].decode())
+    mediabox = [float(pdf_text.pages[0].MediaBox[v])
                 for v in range(4)]
     wt, ht = mediabox[2] - mediabox[0], mediabox[3] - mediabox[1]
 
-    mediabox = [float(base_page.MediaBox[v].decode())
+    mediabox = [float(base_page.MediaBox[v])
                 for v in range(4)]
     wp, hp = mediabox[2] - mediabox[0], mediabox[3] - mediabox[1]
 

src/ocrmypdf/pdfinfo.py

@@ -583,13 +583,13 @@ def _pdf_get_pageinfo(pdf, pageno: int, infile):
     else:
         pageinfo['has_text'] = _naive_find_text(pdf=pdf, page=page)
 
-    mediabox = [Decimal(d.decode()) for d in page.MediaBox.as_list()]
+    mediabox = [Decimal(d) for d in page.MediaBox.as_list()]
     width_pt = mediabox[2] - mediabox[0]
     height_pt = mediabox[3] - mediabox[1]
 
     userunit = page.get('/UserUnit', Decimal(1.0))
     if not isinstance(userunit, Decimal):
-        userunit = userunit.decode()
+        userunit = Decimal(userunit)
     pageinfo['userunit'] = userunit
     pageinfo['width_inches'] = width_pt * userunit / Decimal(72.0)
     pageinfo['height_inches'] = height_pt * userunit / Decimal(72.0)