Remove IM from the book editor

src/calibre/ebooks/oeb/polish/check/images.py

@@ -6,8 +6,10 @@ from __future__ import (unicode_literals, division, absolute_import,
 __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
 
+from io import BytesIO
+from PIL import Image
+
 from calibre import as_unicode
-from calibre.utils.magick import Image
 from calibre.ebooks.oeb.polish.check.base import BaseError, WARN
 from calibre.ebooks.oeb.polish.check.parsing import EmptyFile
 
@@ -51,14 +53,12 @@ def check_raster_images(name, mt, raw):
     if not raw:
         return [EmptyFile(name)]
     errors = []
-    i = Image()
     try:
-        i.load(raw)
+        i = Image.open(BytesIO(raw))
     except Exception as e:
         errors.append(InvalidImage(as_unicode(e.message), name))
     else:
-        if i.colorspace == 'CMYKColorspace':
+        if i.mode == 'CMYK':
             errors.append(CMYKImage(_('Image is in the CMYK colorspace'), name))
 
     return errors
-

src/calibre/ebooks/oeb/polish/cover.py

@@ -11,7 +11,7 @@ import shutil, re, os
 
 from calibre.ebooks.oeb.base import OPF, OEB_DOCS, XPath, XLINK, xml2text
 from calibre.ebooks.oeb.polish.replace import replace_links, get_recommended_folders
-from calibre.utils.magick.draw import identify, identify_data
+from calibre.utils.imghdr import identify
 
 def set_azw3_cover(container, cover_path, report, options=None):
     existing_image = options is not None and options.get('existing_image', False)
@@ -299,9 +299,10 @@ def create_epub_cover(container, cover_path, existing_image, options=None):
             width, height = 600, 800
             try:
                 if existing_image:
-                    width, height = identify_data(container.raw_data(existing_image, decode=False))[:2]
+                    width, height = identify(container.raw_data(existing_image, decode=False))[1:]
                 else:
-                    width, height = identify(cover_path)[:2]
+                    with lopen(cover_path, 'rb') as csrc:
+                        width, height = identify(csrc)[1:]
             except:
                 container.log.exception("Failed to get width and height of cover")
             ar = 'xMidYMid meet' if keep_aspect else 'none'

src/calibre/ebooks/oeb/polish/report.py

@@ -15,7 +15,7 @@ from calibre.ebooks.oeb.base import XPath, xml2text
 from calibre.ebooks.oeb.polish.container import OEB_DOCS, OEB_STYLES, OEB_FONTS
 from calibre.ebooks.oeb.polish.spell import get_all_words
 from calibre.utils.icu import numeric_sort_key, ord_string, safe_chr
-from calibre.utils.magick.draw import identify
+from calibre.utils.imghdr import identify
 from css_selectors import Select, SelectorError
 
 File = namedtuple('File', 'name dir basename size category')
@@ -50,7 +50,7 @@ def safe_img_data(container, name, mt):
     if 'svg' in mt:
         return 0, 0
     try:
-        width, height, fmt = identify(container.name_to_abspath(name))
+        fmt, width, height = identify(container.name_to_abspath(name))
     except Exception:
         width = height = 0
     return width, height