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Limit image size, fixes #4464.
[librarian.git] / src / librarian / cover.py
diff --git a/src/librarian/cover.py b/src/librarian/cover.py
index 5e397c4..3581f59 100644 (file)
--- a/src/librarian/cover.py
+++ b/src/librarian/cover.py
@@ -1,17 +1,13 @@
-# -*- coding: utf-8 -*-
-#
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
 #
 #
-from __future__ import unicode_literals
-
 import re
 from PIL import Image, ImageFont, ImageDraw, ImageFilter
 import re
 from PIL import Image, ImageFont, ImageDraw, ImageFilter
-from six import BytesIO
+from io import BytesIO
 from librarian import get_resource, OutputFile, URLOpener
 
 
 from librarian import get_resource, OutputFile, URLOpener
 
 
-class Metric(object):
+class Metric:
     """Gets metrics from an object, scaling it by a factor."""
     def __init__(self, obj, scale):
         self._obj = obj
     """Gets metrics from an object, scaling it by a factor."""
     def __init__(self, obj, scale):
         self._obj = obj
@@ -25,7 +21,7 @@ class Metric(object):
             return src
 
 
             return src
 
 
-class TextBox(object):
+class TextBox:
     """Creates an Image with a series of centered strings."""
 
     SHADOW_X = 3
     """Creates an Image with a series of centered strings."""
 
     SHADOW_X = 3
@@ -72,7 +68,7 @@ class TextBox(object):
                     break
                 line = parts[0]
 
                     break
                 line = parts[0]
 
-                if line[-2] == ' ':
+                if len(line) > 2 and line[-2] == ' ':
                     line = line[:-2]
 
                 line_width = self.draw.textsize(line, font=font)[0]
                     line = line[:-2]
 
                 line_width = self.draw.textsize(line, font=font)[0]
@@ -108,7 +104,7 @@ class TextBox(object):
         return image
 
 
         return image
 
 
-class Cover(object):
+class Cover:
     """Abstract base class for cover images generator."""
     width = 600
     height = 800
     """Abstract base class for cover images generator."""
     width = 600
     height = 800
@@ -152,10 +148,24 @@ class Cover(object):
         }
 
     def __init__(self, book_info, format=None, width=None, height=None, cover_logo=None):
         }
 
     def __init__(self, book_info, format=None, width=None, height=None, cover_logo=None):
+        self.book_info = book_info
+
+        self.predesigned = False
+        if book_info.cover_class == 'image':
+            self.predesigned = True
+
+        # TODO: deprecated
+        if book_info.cover_box_position == 'none':
+            self.predesigned = True
+
         self.authors = [auth.readable() for auth in book_info.authors]
         self.title = book_info.title
         if format is not None:
             self.format = format
         self.authors = [auth.readable() for auth in book_info.authors]
         self.title = book_info.title
         if format is not None:
             self.format = format
+        self.set_size(width, height)
+        self.cover_logo = cover_logo
+
+    def set_size(self, width, height):
         if width and height:
             self.height = int(round(height * self.width / width))
         scale = max(float(width or 0) / self.width,
         if width and height:
             self.height = int(round(height * self.width / width))
         scale = max(float(width or 0) / self.width,
@@ -167,7 +177,7 @@ class Cover(object):
 
     def pretty_authors(self):
         """Allows for decorating authors' names."""
 
     def pretty_authors(self):
         """Allows for decorating authors' names."""
-        return [self.authors]
+        return self.authors
 
     def pretty_title(self):
         """Allows for decorating title."""
 
     def pretty_title(self):
         """Allows for decorating title."""
@@ -203,7 +213,7 @@ class Cover(object):
 
         author_font = ImageFont.truetype(
             self.author_font_ttf, metr.author_font_size,
 
         author_font = ImageFont.truetype(
             self.author_font_ttf, metr.author_font_size,
-            layout_engine=ImageFont.LAYOUT_BASIC)
+            layout_engine=ImageFont.Layout.BASIC)
         for pa in self.pretty_authors():
             tbox.text(pa, self.author_color, author_font, metr.author_lineskip,
                       self.author_shadow)
         for pa in self.pretty_authors():
             tbox.text(pa, self.author_color, author_font, metr.author_lineskip,
                       self.author_shadow)
@@ -217,7 +227,7 @@ class Cover(object):
             )
         title_font = ImageFont.truetype(
             self.title_font_ttf, metr.title_font_size,
             )
         title_font = ImageFont.truetype(
             self.title_font_ttf, metr.title_font_size,
-            layout_engine=ImageFont.LAYOUT_BASIC)
+            layout_engine=ImageFont.Layout.BASIC)
         tbox.text(self.pretty_title(), self.title_color, title_font,
                   metr.title_lineskip, self.title_shadow)
         text_img = tbox.image()
         tbox.text(self.pretty_title(), self.title_color, title_font,
                   metr.title_lineskip, self.title_shadow)
         text_img = tbox.image()
@@ -231,7 +241,7 @@ class Cover(object):
             img = img.resize((
                     int(round(img.size[0] * self.scale_after)),
                     int(round(img.size[1] * self.scale_after))),
             img = img.resize((
                     int(round(img.size[0] * self.scale_after)),
                     int(round(img.size[1] * self.scale_after))),
-                Image.ANTIALIAS)
+                Image.Resampling.LANCZOS)
         return img
 
     def mime_type(self):
         return img
 
     def mime_type(self):
@@ -289,31 +299,34 @@ class WLCover(Cover):
     background_color = '#444'
     author_color = '#444'
     background_img = get_resource('res/cover.png')
     background_color = '#444'
     author_color = '#444'
     background_img = get_resource('res/cover.png')
+    background_top = False
     format = 'JPEG'
 
     epoch_colors = {
     format = 'JPEG'
 
     epoch_colors = {
-        u'Starożytność': '#9e3610',
-        u'Średniowiecze': '#564c09',
-        u'Renesans': '#8ca629',
-        u'Barok': '#a6820a',
-        u'Oświecenie': '#f2802e',
-        u'Romantyzm': '#db4b16',
-        u'Pozytywizm': '#961060',
-        u'Modernizm': '#7784e0',
-        u'Dwudziestolecie międzywojenne': '#3044cf',
-        u'Współczesność': '#06393d',
+        'Starożytność': '#9e3610',
+        'Średniowiecze': '#564c09',
+        'Renesans': '#8ca629',
+        'Barok': '#a6820a',
+        'Oświecenie': '#f2802e',
+        'Romantyzm': '#db4b16',
+        'Pozytywizm': '#961060',
+        'Modernizm': '#7784e0',
+        'Dwudziestolecie międzywojenne': '#3044cf',
+        'Współczesność': '#06393d',
     }
     set_title_color = True
 
     kind_box_position = {
     }
     set_title_color = True
 
     kind_box_position = {
-        u'Liryka': 'top',
-        u'Epika': 'bottom',
+        'Liryka': 'top',
+        'Epika': 'bottom',
     }
 
     def __init__(self, book_info, format=None, width=None, height=None,
                  bleed=0, cover_logo=None):
         super(WLCover, self).__init__(book_info, format=format, width=width,
                                       height=height)
     }
 
     def __init__(self, book_info, format=None, width=None, height=None,
                  bleed=0, cover_logo=None):
         super(WLCover, self).__init__(book_info, format=format, width=width,
                                       height=height)
+
+        self.slug = book_info.url.slug
         # Set box position.
         self.box_position = book_info.cover_box_position or \
             self.kind_box_position.get(book_info.kind, self.box_position)
         # Set box position.
         self.box_position = book_info.cover_box_position or \
             self.kind_box_position.get(book_info.kind, self.box_position)
@@ -322,11 +335,10 @@ class WLCover(Cover):
             self.bar_width = 0
         else:
             self.bar_color = book_info.cover_bar_color or \
             self.bar_width = 0
         else:
             self.bar_color = book_info.cover_bar_color or \
-                self.epoch_colors.get(book_info.epoch, self.bar_color)
+                self.get_variable_color(book_info) or self.bar_color
         # Set title color.
         if self.set_title_color:
         # Set title color.
         if self.set_title_color:
-            self.title_color = self.epoch_colors.get(book_info.epoch,
-                                                     self.title_color)
+            self.title_color = self.get_variable_color(book_info) or self.title_color
 
         self.bleed = bleed
         self.box_top_margin += bleed
 
         self.bleed = bleed
         self.box_top_margin += bleed
@@ -336,10 +348,23 @@ class WLCover(Cover):
         if book_info.cover_url:
             url = book_info.cover_url
             bg_src = None
         if book_info.cover_url:
             url = book_info.cover_url
             bg_src = None
-            if bg_src is None:
-                bg_src = URLOpener().open(url)
-            self.background_img = BytesIO(bg_src.read())
-            bg_src.close()
+            while True:
+                try:
+                    if bg_src is None:
+                        import requests
+                        bg_src = requests.get(url, timeout=5)
+                    self.background_img = BytesIO(bg_src.content)
+                    bg_src.close()
+                except Exception as e:
+                    bg_src = None
+                    print(e)
+                    import time
+                    time.sleep(1)
+                else:
+                    break
+
+    def get_variable_color(self, book_info):
+        return self.epoch_colors.get(book_info.epoch, None)
 
     def pretty_authors(self):
         return [a.upper() for a in self.authors]
 
     def pretty_authors(self):
         return [a.upper() for a in self.authors]
@@ -351,7 +376,7 @@ class WLCover(Cover):
         metr = Metric(self, self.scale)
 
         # Write author name.
         metr = Metric(self, self.scale)
 
         # Write author name.
-        box = TextBox(metr.title_box_width, metr.height,
+        box = TextBox(metr.title_box_width - 2 * self.bleed, metr.height,
                       padding_y=metr.box_padding_y,
                       padding_x=metr.box_padding_x,
                       bar_width=metr.box_bar_width,
                       padding_y=metr.box_padding_y,
                       padding_x=metr.box_padding_x,
                       bar_width=metr.box_bar_width,
@@ -359,7 +384,7 @@ class WLCover(Cover):
                       )
         author_font = ImageFont.truetype(
             self.author_font_ttf, metr.author_font_size,
                       )
         author_font = ImageFont.truetype(
             self.author_font_ttf, metr.author_font_size,
-            layout_engine=ImageFont.LAYOUT_BASIC)
+            layout_engine=ImageFont.Layout.BASIC)
         for pa in self.pretty_authors():
             box.text(pa, font=author_font, line_height=metr.author_lineskip,
                      color=self.author_color, shadow_color=self.author_shadow,
         for pa in self.pretty_authors():
             box.text(pa, font=author_font, line_height=metr.author_lineskip,
                      color=self.author_color, shadow_color=self.author_shadow,
@@ -376,7 +401,7 @@ class WLCover(Cover):
         # Write title.
         title_font = ImageFont.truetype(
             self.title_font_ttf, metr.title_font_size,
         # Write title.
         title_font = ImageFont.truetype(
             self.title_font_ttf, metr.title_font_size,
-            layout_engine=ImageFont.LAYOUT_BASIC)
+            layout_engine=ImageFont.Layout.BASIC)
         box.text(self.pretty_title(),
                  line_height=metr.title_lineskip,
                  font=title_font,
         box.text(self.pretty_title(),
                  line_height=metr.title_lineskip,
                  font=title_font,
@@ -396,7 +421,7 @@ class WLCover(Cover):
             box_top = (metr.height - box_img.size[1]) // 2
 
         box_left = metr.bar_width + (
             box_top = (metr.height - box_img.size[1]) // 2
 
         box_left = metr.bar_width + (
-            metr.width - metr.bar_width - box_img.size[0]
+            metr.width - metr.bar_width - box_img.size[0] - self.bleed
         ) // 2
 
         # Draw the white box.
         ) // 2
 
         # Draw the white box.
@@ -476,8 +501,11 @@ class WLCover(Cover):
                     trg_size[0],
                     int(round(src.size[1] * trg_size[0] / src.size[0]))
                 )
                     trg_size[0],
                     int(round(src.size[1] * trg_size[0] / src.size[0]))
                 )
-                cut = (resized[1] - trg_size[1]) // 2
-                src = src.resize(resized, Image.ANTIALIAS)
+                if self.background_top:
+                    cut = 0
+                else:
+                    cut = (resized[1] - trg_size[1]) // 2
+                src = src.resize(resized, Image.Resampling.LANCZOS)
                 src = src.crop((0, cut, src.size[0], src.size[1] - cut))
             else:
                 resized = (
                 src = src.crop((0, cut, src.size[0], src.size[1] - cut))
             else:
                 resized = (
@@ -485,7 +513,7 @@ class WLCover(Cover):
                     trg_size[1],
                 )
                 cut = (resized[0] - trg_size[0]) // 2
                     trg_size[1],
                 )
                 cut = (resized[0] - trg_size[0]) // 2
-                src = src.resize(resized, Image.ANTIALIAS)
+                src = src.resize(resized, Image.Resampling.LANCZOS)
                 src = src.crop((cut, 0, src.size[0] - cut, src.size[1]))
 
             img.paste(src, (metr.bar_width, 0))
                 src = src.crop((cut, 0, src.size[0] - cut, src.size[1]))
 
             img.paste(src, (metr.bar_width, 0))
@@ -522,6 +550,8 @@ class LogoWLCover(WLCover):
     logos_right = True
     gradient_logo_centering = False
 
     logos_right = True
     gradient_logo_centering = False
 
+    qrcode = None
+
 
     def __init__(self, book_info, *args, cover_logo=None, **kwargs):
         super(LogoWLCover, self).__init__(book_info, *args, **kwargs)
 
     def __init__(self, book_info, *args, cover_logo=None, **kwargs):
         super(LogoWLCover, self).__init__(book_info, *args, **kwargs)
@@ -540,7 +570,7 @@ class LogoWLCover(WLCover):
 
     @property
     def has_gradient_logos(self):
 
     @property
     def has_gradient_logos(self):
-        return self.gradient_logos or self.additional_cover_logos or self.end_cover_logos or self.annotation
+        return self.gradient_logos or self.additional_cover_logos or self.end_cover_logos or self.annotation or self.qrcode is not None
 
     def add_gradient_logos(self, img, metr):
         gradient = Image.new(
 
     def add_gradient_logos(self, img, metr):
         gradient = Image.new(
@@ -577,7 +607,7 @@ class LogoWLCover(WLCover):
         logo_top = int(
             metr.height
             - metr.gradient_height / 2
         logo_top = int(
             metr.height
             - metr.gradient_height / 2
-            - metr.gradient_logo_height / 2 - metr.bleed / 2
+            - metr.gradient_logo_height / 2 - metr.bleed
         )
 
         logos = [
         )
 
         logos = [
@@ -587,19 +617,23 @@ class LogoWLCover(WLCover):
 
         logos = self.additional_cover_logos + logos + self.end_cover_logos
 
 
         logos = self.additional_cover_logos + logos + self.end_cover_logos
 
-        if self.logos_right:
-            logos.reverse()
-
         logos = [
             Image.open(logo_bytes).convert('RGBA')
             for logo_bytes in logos
         ]
 
         logos = [
             Image.open(logo_bytes).convert('RGBA')
             for logo_bytes in logos
         ]
 
+        if self.qrcode is not None:
+            import qrcode
+            logos.append(qrcode.make(f'https://wolnelektury.pl/katalog/lektura/{self.slug}/?{self.qrcode}'))
+
+        if self.logos_right:
+            logos.reverse()
+
         # See if logos fit into the gradient. If not, scale down accordingly.
         space_for_logos = (
             metr.width
             - metr.bar_width
         # See if logos fit into the gradient. If not, scale down accordingly.
         space_for_logos = (
             metr.width
             - metr.bar_width
-            - 2 * metr.gradient_logo_margin_right
+            - 2 * metr.gradient_logo_margin_right + self.bleed
         )
         widths = [
             min(
         )
         widths = [
             min(
@@ -634,7 +668,7 @@ class LogoWLCover(WLCover):
                         logo.size[1] * widths[i] / logo.size[0] * L_scale
                     ))
                 ),
                         logo.size[1] * widths[i] / logo.size[0] * L_scale
                     ))
                 ),
-                Image.ANTIALIAS)
+                Image.Resampling.LANCZOS)
             if self.logos_right:
                 cursor -= logo.size[0]
 
             if self.logos_right:
                 cursor -= logo.size[0]
 
@@ -657,7 +691,7 @@ class LogoWLCover(WLCover):
             draw = ImageDraw.Draw(img2)
             author_font = ImageFont.truetype(
                 self.author_font_ttf, metr.annotation_height,
             draw = ImageDraw.Draw(img2)
             author_font = ImageFont.truetype(
                 self.author_font_ttf, metr.annotation_height,
-                layout_engine=ImageFont.LAYOUT_BASIC)
+                layout_engine=ImageFont.Layout.BASIC)
             draw.text((self.annotation_height, self.annotation_height), self.annotation, font=author_font, fill='#FFFFFF')
             img2.show()
             img2 = img2.rotate(90)
             draw.text((self.annotation_height, self.annotation_height), self.annotation, font=author_font, fill='#FFFFFF')
             img2.show()
             img2 = img2.rotate(90)
@@ -731,16 +765,49 @@ class LegimiCover(LogoWLCover):
     ]
     logos_right = False
     gradient_logo_centering = True
     ]
     logos_right = False
     gradient_logo_centering = True
+    background_top = True
+
+    genre_colors = {
+        'Artykuł': '#bf001a',
+        'Artykuł naukowy': '#bf001a',
+        'Dziennik': '#bf001a',
+        'Esej': '#bf001a',
+        'Felieton': '#bf001a',
+        'Kronika': '#bf001a',
+        'List': '#bf001a',
+        'Manifest': '#bf001a',
+        'Odczyt': '#bf001a',
+        'Pamiętnik': '#bf001a',
+        'Poradnik': '#bf001a',
+        'Praca naukowa': '#bf001a',
+        'Publicystyka': '#bf001a',
+        'Reportaż': '#bf001a',
+        'Reportaż podróżniczy': '#bf001a',
+        'Rozprawa': '#bf001a',
+        'Rozprawa polityczna': '#bf001a',
+        'Traktat': '#bf001a',
+    }
+    kind_colors = {
+        'Epika': '#9bbb2b',
+        'Liryka': '#3e626f',
+        'Dramat': '#ecbe00',
+    }
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         if self.has_gradient_logos:
             self.box_bottom_margin += self.box_bottom_margin_logos_add
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         if self.has_gradient_logos:
             self.box_bottom_margin += self.box_bottom_margin_logos_add
-        
-    
+
     def pretty_authors(self):
         return self.authors
 
     def pretty_authors(self):
         return self.authors
 
+    def get_variable_color(self, book_info):
+        for genre in book_info.genres:
+            if genre in self.genre_colors:
+                return self.genre_colors[genre]
+        for kind in book_info.kinds:
+            if kind in self.kind_colors:
+                return self.kind_colors[kind]
 
 class LegimiCornerCover(LegimiCover):
     gradient_logos = []
 
 class LegimiCornerCover(LegimiCover):
     gradient_logos = []
@@ -814,7 +881,7 @@ class PrestigioCover(Cover):
     title_font_size = 50
 
     def pretty_title(self):
     title_font_size = 50
 
     def pretty_title(self):
-        return u"„%s”" % self.title
+        return "„%s”" % self.title
 
 
 class BookotekaCover(Cover):
 
 
 class BookotekaCover(Cover):
@@ -894,8 +961,41 @@ class BNCover(LogoWLCover):
 #    annotation = 'Zadanie „Udostępnienie publikacji w formatach cyfrowych” w ramach Narodowego Programu Rozwoju Czytelnictwa. Dofinansowano ze środków Ministra Kultury, Dziedzictwa Narodowego i Sportu.'
 
 
 #    annotation = 'Zadanie „Udostępnienie publikacji w formatach cyfrowych” w ramach Narodowego Programu Rozwoju Czytelnictwa. Dofinansowano ze środków Ministra Kultury, Dziedzictwa Narodowego i Sportu.'
 
 
+class FactoryCover(LogoWLCover):
+    gradient_logos = [
+        'res/factory.jpg',
+        'res/wl-logo-white.png',
+    ]
+    qrcode = 'pk_campaign=factory22'
+    format = 'PNG'
+
+    def __init__(self, *args, **kwargs):
+        kwargs.setdefault('bleed', 10)
+        return super().__init__(*args, **kwargs)
+
+    def ext(self):
+        return 'pdf'
+
+    def output_file(self, *args, **kwargs):
+        imgfile = super().output_file(*args, **kwargs)
+        import subprocess
+        import tempfile
+        with tempfile.TemporaryDirectory(prefix='factory-', dir='.') as d:
+            import os
+            import shutil
+            with open(d + '/cover.png', 'wb') as f:
+                f.write(imgfile.get_bytes())
+            shutil.copy(get_resource('res/factory-cover.svg'), d)
+            subprocess.call(['inkscape', f'--export-filename={d}/cover.pdf', d + '/factory-cover.svg'])
+            with open(d + '/cover.pdf', 'rb') as f:
+                return OutputFile.from_bytes(f.read())
+
+
+
+from librarian.covers.marquise import MarquiseCover, LabelMarquiseCover
+
 COVER_CLASSES = {
 COVER_CLASSES = {
-    'default': LogoWLCover,
+    'legacy': LogoWLCover,
     'kmlu': KMLUCover,
     'mpw': MPWCover,
     'atrium': AtriumCover,
     'kmlu': KMLUCover,
     'mpw': MPWCover,
     'atrium': AtriumCover,
@@ -903,13 +1003,18 @@ COVER_CLASSES = {
     'legimi': LegimiCover,
     'legimi-corner': LegimiCornerCover,
     'legimi-audiobook': LegimiAudiobookCover,
     'legimi': LegimiCover,
     'legimi-corner': LegimiCornerCover,
     'legimi-audiobook': LegimiAudiobookCover,
+    'factory': FactoryCover,
+    'm': MarquiseCover,
+    'm-label': LabelMarquiseCover,
+    'default': MarquiseCover,
 }
 
 
 def make_cover(book_info, *args, **kwargs):
 }
 
 
 def make_cover(book_info, *args, **kwargs):
+    cover_class_name = None
     if 'cover_class' in kwargs:
         cover_class_name = kwargs.pop('cover_class')
     if 'cover_class' in kwargs:
         cover_class_name = kwargs.pop('cover_class')
-    else:
-        cover_class_name = book_info.cover_class
+    if not cover_class_name:
+        cover_class_name = 'default'
     cover_class = COVER_CLASSES[cover_class_name]
     return cover_class(book_info, *args, **kwargs)
     cover_class = COVER_CLASSES[cover_class_name]
     return cover_class(book_info, *args, **kwargs)