X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/753d3a2d605279607ab18018a227b17dd7cb94b3..f164694b5e7ad5ed5f6d95743f9259bd3a9292bd:/src/librarian/cover.py?ds=sidebyside diff --git a/src/librarian/cover.py b/src/librarian/cover.py index dfb0b76..3581f59 100644 --- 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. -# 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 -from six import BytesIO +from io import BytesIO 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 @@ -25,7 +21,7 @@ class Metric(object): return src -class TextBox(object): +class TextBox: """Creates an Image with a series of centered strings.""" SHADOW_X = 3 @@ -72,7 +68,7 @@ class TextBox(object): 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] @@ -108,7 +104,7 @@ class TextBox(object): return image -class Cover(object): +class Cover: """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): + 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.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, @@ -167,7 +177,7 @@ class Cover(object): def pretty_authors(self): """Allows for decorating authors' names.""" - return [self.authors] + return self.authors 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, - 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) @@ -217,7 +227,7 @@ class Cover(object): ) 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() @@ -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))), - Image.ANTIALIAS) + Image.Resampling.LANCZOS) return img def mime_type(self): @@ -293,28 +303,30 @@ class WLCover(Cover): 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 = { - 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) + + 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) @@ -336,10 +348,20 @@ class WLCover(Cover): 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) @@ -354,7 +376,7 @@ class WLCover(Cover): 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, @@ -362,7 +384,7 @@ class WLCover(Cover): ) 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, @@ -379,7 +401,7 @@ class WLCover(Cover): # 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, @@ -399,7 +421,7 @@ class WLCover(Cover): 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. @@ -483,7 +505,7 @@ class WLCover(Cover): cut = 0 else: cut = (resized[1] - trg_size[1]) // 2 - src = src.resize(resized, Image.ANTIALIAS) + src = src.resize(resized, Image.Resampling.LANCZOS) src = src.crop((0, cut, src.size[0], src.size[1] - cut)) else: resized = ( @@ -491,7 +513,7 @@ class WLCover(Cover): 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)) @@ -528,6 +550,8 @@ class LogoWLCover(WLCover): 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) @@ -546,7 +570,7 @@ class LogoWLCover(WLCover): @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( @@ -583,7 +607,7 @@ class LogoWLCover(WLCover): 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 = [ @@ -593,19 +617,23 @@ class LogoWLCover(WLCover): 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 ] + 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 - - 2 * metr.gradient_logo_margin_right + - 2 * metr.gradient_logo_margin_right + self.bleed ) widths = [ min( @@ -640,7 +668,7 @@ class LogoWLCover(WLCover): logo.size[1] * widths[i] / logo.size[0] * L_scale )) ), - Image.ANTIALIAS) + Image.Resampling.LANCZOS) if self.logos_right: cursor -= logo.size[0] @@ -663,7 +691,7 @@ class LogoWLCover(WLCover): 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) @@ -853,7 +881,7 @@ class PrestigioCover(Cover): title_font_size = 50 def pretty_title(self): - return u"„%s”" % self.title + return "„%s”" % self.title class BookotekaCover(Cover): @@ -933,8 +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.' +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 = { - 'default': LogoWLCover, + 'legacy': LogoWLCover, 'kmlu': KMLUCover, 'mpw': MPWCover, 'atrium': AtriumCover, @@ -942,13 +1003,18 @@ COVER_CLASSES = { 'legimi': LegimiCover, 'legimi-corner': LegimiCornerCover, 'legimi-audiobook': LegimiAudiobookCover, + 'factory': FactoryCover, + 'm': MarquiseCover, + 'm-label': LabelMarquiseCover, + 'default': MarquiseCover, } def make_cover(book_info, *args, **kwargs): + cover_class_name = None 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)