forked from lorenzodifuccia/safaribooks
-
Notifications
You must be signed in to change notification settings - Fork 0
/
safaribooks.py
executable file
·1114 lines (890 loc) · 45.5 KB
/
safaribooks.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/usr/bin/env python3
# coding: utf-8
import re
import os
import sys
import json
import shutil
import pathlib
import getpass
import logging
import argparse
import requests
import traceback
from html import escape
from random import random
from lxml import html, etree
from multiprocessing import Process, Queue, Value
from urllib.parse import urljoin, urlparse, parse_qs, quote_plus
PATH = os.path.dirname(os.path.realpath(__file__))
COOKIES_FILE = os.path.join(PATH, "cookies.json")
ORLY_BASE_HOST = "oreilly.com" # PLEASE INSERT URL HERE
SAFARI_BASE_HOST = "learning." + ORLY_BASE_HOST
API_ORIGIN_HOST = "api." + ORLY_BASE_HOST
ORLY_BASE_URL = "https://www." + ORLY_BASE_HOST
SAFARI_BASE_URL = "https://" + SAFARI_BASE_HOST
API_ORIGIN_URL = "https://" + API_ORIGIN_HOST
PROFILE_URL = SAFARI_BASE_URL + "/profile/"
# DEBUG
USE_PROXY = False
PROXIES = {"https": "https://127.0.0.1:8080"}
class Display:
BASE_FORMAT = logging.Formatter(
fmt="[%(asctime)s] %(message)s",
datefmt="%d/%b/%Y %H:%M:%S"
)
SH_DEFAULT = "\033[0m" if "win" not in sys.platform else "" # TODO: colors for Windows
SH_YELLOW = "\033[33m" if "win" not in sys.platform else ""
SH_BG_RED = "\033[41m" if "win" not in sys.platform else ""
SH_BG_YELLOW = "\033[43m" if "win" not in sys.platform else ""
def __init__(self, log_file):
self.output_dir = ""
self.output_dir_set = False
self.log_file = os.path.join(PATH, log_file)
self.logger = logging.getLogger("SafariBooks")
self.logger.setLevel(logging.INFO)
logs_handler = logging.FileHandler(filename=self.log_file)
logs_handler.setFormatter(self.BASE_FORMAT)
logs_handler.setLevel(logging.INFO)
self.logger.addHandler(logs_handler)
self.columns, _ = shutil.get_terminal_size()
self.logger.info("** Welcome to SafariBooks! **")
self.book_ad_info = False
self.css_ad_info = Value("i", 0)
self.images_ad_info = Value("i", 0)
self.last_request = (None,)
self.in_error = False
self.state_status = Value("i", 0)
sys.excepthook = self.unhandled_exception
def set_output_dir(self, output_dir):
self.info("Output directory:\n %s" % output_dir)
self.output_dir = output_dir
self.output_dir_set = True
def unregister(self):
self.logger.handlers[0].close()
sys.excepthook = sys.__excepthook__
def log(self, message):
try:
self.logger.info(str(message, "utf-8", "replace"))
except (UnicodeDecodeError, Exception):
self.logger.info(message)
def out(self, put):
pattern = "\r{!s}\r{!s}\n"
try:
s = pattern.format(" " * self.columns, str(put, "utf-8", "replace"))
except TypeError:
s = pattern.format(" " * self.columns, put)
sys.stdout.write(s)
def info(self, message, state=False):
self.log(message)
output = (self.SH_YELLOW + "[*]" + self.SH_DEFAULT if not state else
self.SH_BG_YELLOW + "[-]" + self.SH_DEFAULT) + " %s" % message
self.out(output)
def error(self, error):
if not self.in_error:
self.in_error = True
self.log(error)
output = self.SH_BG_RED + "[#]" + self.SH_DEFAULT + " %s" % error
self.out(output)
def exit(self, error):
self.error(str(error))
if self.output_dir_set:
output = (self.SH_YELLOW + "[+]" + self.SH_DEFAULT +
" Please delete the output directory '" + self.output_dir + "'"
" and restart the program.")
self.out(output)
output = self.SH_BG_RED + "[!]" + self.SH_DEFAULT + " Aborting..."
self.out(output)
self.save_last_request()
sys.exit(1)
def unhandled_exception(self, _, o, tb):
self.log("".join(traceback.format_tb(tb)))
self.exit("Unhandled Exception: %s (type: %s)" % (o, o.__class__.__name__))
def save_last_request(self):
if any(self.last_request):
self.log("Last request done:\n\tURL: {0}\n\tDATA: {1}\n\tOTHERS: {2}\n\n\t{3}\n{4}\n\n{5}\n"
.format(*self.last_request))
def intro(self):
output = self.SH_YELLOW + ("""
____ ___ _
/ __/__ _/ _/__ _____(_)
_\ \/ _ `/ _/ _ `/ __/ /
/___/\_,_/_/ \_,_/_/ /_/
/ _ )___ ___ / /__ ___
/ _ / _ \/ _ \/ '_/(_-<
/____/\___/\___/_/\_\/___/
""" if random() > 0.5 else """
██████╗ ██████╗ ██╗ ██╗ ██╗██████╗
██╔═══██╗ ██╔══██╗██║ ╚██╗ ██╔╝╚════██╗
██║ ██║ ██████╔╝██║ ╚████╔╝ ▄███╔╝
██║ ██║ ██╔══██╗██║ ╚██╔╝ ▀▀══╝
╚██████╔╝ ██║ ██║███████╗██║ ██╗
╚═════╝ ╚═╝ ╚═╝╚══════╝╚═╝ ╚═╝
""") + self.SH_DEFAULT
output += "\n" + "~" * (self.columns // 2)
self.out(output)
def parse_description(self, desc):
if not desc:
return "n/d"
try:
return html.fromstring(desc).text_content()
except (html.etree.ParseError, html.etree.ParserError) as e:
self.log("Error parsing the description: %s" % e)
return "n/d"
def book_info(self, info):
description = self.parse_description(info.get("description", None)).replace("\n", " ")
for t in [
("Title", info.get("title", "")), ("Authors", ", ".join(aut.get("name", "") for aut in info.get("authors", []))),
("Identifier", info.get("identifier", "")), ("ISBN", info.get("isbn", "")),
("Publishers", ", ".join(pub.get("name", "") for pub in info.get("publishers", []))),
("Rights", info.get("rights", "")),
("Description", description[:500] + "..." if len(description) >= 500 else description),
("Release Date", info.get("issued", "")),
("URL", info.get("web_url", ""))
]:
self.info("{0}{1}{2}: {3}".format(self.SH_YELLOW, t[0], self.SH_DEFAULT, t[1]), True)
def state(self, origin, done):
progress = int(done * 100 / origin)
bar = int(progress * (self.columns - 11) / 100)
if self.state_status.value < progress:
self.state_status.value = progress
sys.stdout.write(
"\r " + self.SH_BG_YELLOW + "[" + ("#" * bar).ljust(self.columns - 11, "-") + "]" +
self.SH_DEFAULT + ("%4s" % progress) + "%" + ("\n" if progress == 100 else "")
)
def done(self, epub_file):
self.info("Done: %s\n\n" % epub_file +
" If you like it, please * this project on GitHub to make it known:\n"
" https://github.com/lorenzodifuccia/safaribooks\n"
" e don't forget to renew your Safari Books Online subscription:\n"
" " + SAFARI_BASE_URL + "\n\n" +
self.SH_BG_RED + "[!]" + self.SH_DEFAULT + " Bye!!")
@staticmethod
def api_error(response):
message = "API: "
if "detail" in response and "Not found" in response["detail"]:
message += "book's not present in Safari Books Online.\n" \
" The book identifier is the digits that you can find in the URL:\n" \
" `" + SAFARI_BASE_URL + "/library/view/book-name/XXXXXXXXXXXXX/`"
else:
os.remove(COOKIES_FILE)
message += "Out-of-Session%s.\n" % (" (%s)" % response["detail"]) if "detail" in response else "" + \
Display.SH_YELLOW + "[+]" + Display.SH_DEFAULT + \
" Use the `--cred` or `--login` options in order to perform the auth login to Safari."
return message
class WinQueue(list): # TODO: error while use `process` in Windows: can't pickle _thread.RLock objects
def put(self, el):
self.append(el)
def qsize(self):
return self.__len__()
class SafariBooks:
LOGIN_URL = ORLY_BASE_URL + "/member/auth/login/"
LOGIN_ENTRY_URL = SAFARI_BASE_URL + "/login/unified/?next=/home/"
API_TEMPLATE = SAFARI_BASE_URL + "/api/v1/book/{0}/"
BASE_01_HTML = "<!DOCTYPE html>\n" \
"<html lang=\"en\" xml:lang=\"en\" xmlns=\"http://www.w3.org/1999/xhtml\"" \
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"" \
" xsi:schemaLocation=\"http://www.w3.org/2002/06/xhtml2/" \
" http://www.w3.org/MarkUp/SCHEMA/xhtml2.xsd\"" \
" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n" \
"<head>\n" \
"{0}\n" \
"<style type=\"text/css\">" \
"body{{margin:1em;background-color:transparent!important;}}" \
"#sbo-rt-content *{{text-indent:0pt!important;}}#sbo-rt-content .bq{{margin-right:1em!important;}}"
KINDLE_HTML = "#sbo-rt-content *{{word-wrap:break-word!important;" \
"word-break:break-word!important;}}#sbo-rt-content table,#sbo-rt-content pre" \
"{{overflow-x:unset!important;overflow:unset!important;" \
"overflow-y:unset!important;white-space:pre-wrap!important;}}"
BASE_02_HTML = "</style>" \
"</head>\n" \
"<body>{1}</body>\n</html>"
CONTAINER_XML = "<?xml version=\"1.0\"?>" \
"<container version=\"1.0\" xmlns=\"urn:oasis:names:tc:opendocument:xmlns:container\">" \
"<rootfiles>" \
"<rootfile full-path=\"OEBPS/content.opf\" media-type=\"application/oebps-package+xml\" />" \
"</rootfiles>" \
"</container>"
# Format: ID, Title, Authors, Description, Subjects, Publisher, Rights, Date, CoverId, MANIFEST, SPINE, CoverUrl
CONTENT_OPF = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" \
"<package xmlns=\"http://www.idpf.org/2007/opf\" unique-identifier=\"bookid\" version=\"2.0\" >\n" \
"<metadata xmlns:dc=\"http://purl.org/dc/elements/1.1/\" " \
" xmlns:opf=\"http://www.idpf.org/2007/opf\">\n" \
"<dc:title>{1}</dc:title>\n" \
"{2}\n" \
"<dc:description>{3}</dc:description>\n" \
"{4}" \
"<dc:publisher>{5}</dc:publisher>\n" \
"<dc:rights>{6}</dc:rights>\n" \
"<dc:language>en-US</dc:language>\n" \
"<dc:date>{7}</dc:date>\n" \
"<dc:identifier id=\"bookid\">{0}</dc:identifier>\n" \
"<meta name=\"cover\" content=\"{8}\"/>\n" \
"</metadata>\n" \
"<manifest>\n" \
"<item id=\"ncx\" href=\"toc.ncx\" media-type=\"application/x-dtbncx+xml\" />\n" \
"{9}\n" \
"</manifest>\n" \
"<spine toc=\"ncx\">\n{10}</spine>\n" \
"<guide><reference href=\"{11}\" title=\"Cover\" type=\"cover\" /></guide>\n" \
"</package>"
# Format: ID, Depth, Title, Author, NAVMAP
TOC_NCX = "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\" ?>\n" \
"<!DOCTYPE ncx PUBLIC \"-//NISO//DTD ncx 2005-1//EN\"" \
" \"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd\">\n" \
"<ncx xmlns=\"http://www.daisy.org/z3986/2005/ncx/\" version=\"2005-1\">\n" \
"<head>\n" \
"<meta content=\"ID:ISBN:{0}\" name=\"dtb:uid\"/>\n" \
"<meta content=\"{1}\" name=\"dtb:depth\"/>\n" \
"<meta content=\"0\" name=\"dtb:totalPageCount\"/>\n" \
"<meta content=\"0\" name=\"dtb:maxPageNumber\"/>\n" \
"</head>\n" \
"<docTitle><text>{2}</text></docTitle>\n" \
"<docAuthor><text>{3}</text></docAuthor>\n" \
"<navMap>{4}</navMap>\n" \
"</ncx>"
HEADERS = {
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"Accept-Encoding": "gzip, deflate",
"Referer": LOGIN_ENTRY_URL,
"Upgrade-Insecure-Requests": "1",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/90.0.4430.212 Safari/537.36"
}
COOKIE_FLOAT_MAX_AGE_PATTERN = re.compile(r'(max-age=\d*\.\d*)', re.IGNORECASE)
def __init__(self, args):
self.args = args
self.display = Display("info_%s.log" % escape(args.bookid))
self.display.intro()
self.session = requests.Session()
if USE_PROXY: # DEBUG
self.session.proxies = PROXIES
self.session.verify = False
self.session.headers.update(self.HEADERS)
self.jwt = {}
if not args.cred:
if not os.path.isfile(COOKIES_FILE):
self.display.exit("Login: unable to find `cookies.json` file.\n"
" Please use the `--cred` or `--login` options to perform the login.")
self.session.cookies.update(json.load(open(COOKIES_FILE)))
else:
self.display.info("Logging into Safari Books Online...", state=True)
self.do_login(*args.cred)
if not args.no_cookies:
json.dump(self.session.cookies.get_dict(), open(COOKIES_FILE, 'w'))
self.check_login()
self.book_id = args.bookid
self.api_url = self.API_TEMPLATE.format(self.book_id)
self.display.info("Retrieving book info...")
self.book_info = self.get_book_info()
self.display.book_info(self.book_info)
self.display.info("Retrieving book chapters...")
self.book_chapters = self.get_book_chapters()
self.chapters_queue = self.book_chapters[:]
if len(self.book_chapters) > sys.getrecursionlimit():
sys.setrecursionlimit(len(self.book_chapters))
self.book_title = self.book_info["title"]
self.base_url = self.book_info["web_url"]
self.clean_book_title = "".join(self.escape_dirname(self.book_title).split(",")[:2]) \
+ " ({0})".format(self.book_id)
books_dir = os.path.join(PATH, "Books")
if not os.path.isdir(books_dir):
os.mkdir(books_dir)
self.BOOK_PATH = os.path.join(books_dir, self.clean_book_title)
self.display.set_output_dir(self.BOOK_PATH)
self.css_path = ""
self.images_path = ""
self.create_dirs()
self.chapter_title = ""
self.filename = ""
self.chapter_stylesheets = []
self.css = []
self.images = []
self.display.info("Downloading book contents... (%s chapters)" % len(self.book_chapters), state=True)
self.BASE_HTML = self.BASE_01_HTML + (self.KINDLE_HTML if not args.kindle else "") + self.BASE_02_HTML
self.cover = False
self.get()
if not self.cover:
self.cover = self.get_default_cover() if "cover" in self.book_info else False
cover_html = self.parse_html(
html.fromstring("<div id=\"sbo-rt-content\"><img src=\"Images/{0}\"></div>".format(self.cover)), True
)
self.book_chapters = [{
"filename": "default_cover.xhtml",
"title": "Cover"
}] + self.book_chapters
self.filename = self.book_chapters[0]["filename"]
self.save_page_html(cover_html)
self.css_done_queue = Queue(0) if "win" not in sys.platform else WinQueue()
self.display.info("Downloading book CSSs... (%s files)" % len(self.css), state=True)
self.collect_css()
self.images_done_queue = Queue(0) if "win" not in sys.platform else WinQueue()
self.display.info("Downloading book images... (%s files)" % len(self.images), state=True)
self.collect_images()
self.display.info("Creating EPUB file...", state=True)
self.create_epub()
if not args.no_cookies:
json.dump(self.session.cookies.get_dict(), open(COOKIES_FILE, "w"))
self.display.done(os.path.join(self.BOOK_PATH, self.book_id + ".epub"))
self.display.unregister()
if not self.display.in_error and not args.log:
os.remove(self.display.log_file)
def handle_cookie_update(self, set_cookie_headers):
for morsel in set_cookie_headers:
# Handle Float 'max-age' Cookie
if self.COOKIE_FLOAT_MAX_AGE_PATTERN.search(morsel):
cookie_key, cookie_value = morsel.split(";")[0].split("=")
self.session.cookies.set(cookie_key, cookie_value)
def requests_provider(self, url, is_post=False, data=None, perform_redirect=True, **kwargs):
try:
response = getattr(self.session, "post" if is_post else "get")(
url,
data=data,
allow_redirects=False,
**kwargs
)
self.handle_cookie_update(response.raw.headers.getlist("Set-Cookie"))
self.display.last_request = (
url, data, kwargs, response.status_code, "\n".join(
["\t{}: {}".format(*h) for h in response.headers.items()]
), response.text
)
except (requests.ConnectionError, requests.ConnectTimeout, requests.RequestException) as request_exception:
self.display.error(str(request_exception))
return 0
if response.is_redirect and perform_redirect:
return self.requests_provider(response.next.url, is_post, None, perform_redirect)
# TODO How about **kwargs?
return response
@staticmethod
def parse_cred(cred):
if ":" not in cred:
return False
sep = cred.index(":")
new_cred = ["", ""]
new_cred[0] = cred[:sep].strip("'").strip('"')
if "@" not in new_cred[0]:
return False
new_cred[1] = cred[sep + 1:]
return new_cred
def do_login(self, email, password):
response = self.requests_provider(self.LOGIN_ENTRY_URL)
if response == 0:
self.display.exit("Login: unable to reach Safari Books Online. Try again...")
next_parameter = None
try:
next_parameter = parse_qs(urlparse(response.request.url).query)["next"][0]
except (AttributeError, ValueError, IndexError):
self.display.exit("Login: unable to complete login on Safari Books Online. Try again...")
redirect_uri = API_ORIGIN_URL + quote_plus(next_parameter)
response = self.requests_provider(
self.LOGIN_URL,
is_post=True,
json={
"email": email,
"password": password,
"redirect_uri": redirect_uri
},
perform_redirect=False
)
if response == 0:
self.display.exit("Login: unable to perform auth to Safari Books Online.\n Try again...")
if response.status_code != 200: # TODO To be reviewed
try:
error_page = html.fromstring(response.text)
errors_message = error_page.xpath("//ul[@class='errorlist']//li/text()")
recaptcha = error_page.xpath("//div[@class='g-recaptcha']")
messages = ([" `%s`" % error for error in errors_message
if "password" in error or "email" in error] if len(errors_message) else []) + \
([" `ReCaptcha required (wait or do logout from the website).`"] if len(
recaptcha) else [])
self.display.exit(
"Login: unable to perform auth login to Safari Books Online.\n" + self.display.SH_YELLOW +
"[*]" + self.display.SH_DEFAULT + " Details:\n" + "%s" % "\n".join(
messages if len(messages) else [" Unexpected error!"])
)
except (html.etree.ParseError, html.etree.ParserError) as parsing_error:
self.display.error(parsing_error)
self.display.exit(
"Login: your login went wrong and it encountered in an error"
" trying to parse the login details of Safari Books Online. Try again..."
)
self.jwt = response.json() # TODO: save JWT Tokens and use the refresh_token to restore user session
response = self.requests_provider(self.jwt["redirect_uri"])
if response == 0:
self.display.exit("Login: unable to reach Safari Books Online. Try again...")
def check_login(self):
response = self.requests_provider(PROFILE_URL, perform_redirect=False)
if response == 0:
self.display.exit("Login: unable to reach Safari Books Online. Try again...")
elif response.status_code != 200:
self.display.exit("Authentication issue: unable to access profile page.")
elif "user_type\":\"Expired\"" in response.text:
self.display.exit("Authentication issue: account subscription expired.")
self.display.info("Successfully authenticated.", state=True)
def get_book_info(self):
response = self.requests_provider(self.api_url)
if response == 0:
self.display.exit("API: unable to retrieve book info.")
response = response.json()
if not isinstance(response, dict) or len(response.keys()) == 1:
self.display.exit(self.display.api_error(response))
if "last_chapter_read" in response:
del response["last_chapter_read"]
for key, value in response.items():
if value is None:
response[key] = 'n/a'
return response
def get_book_chapters(self, page=1):
response = self.requests_provider(urljoin(self.api_url, "chapter/?page=%s" % page))
if response == 0:
self.display.exit("API: unable to retrieve book chapters.")
response = response.json()
if not isinstance(response, dict) or len(response.keys()) == 1:
self.display.exit(self.display.api_error(response))
if "results" not in response or not len(response["results"]):
self.display.exit("API: unable to retrieve book chapters.")
if response["count"] > sys.getrecursionlimit():
sys.setrecursionlimit(response["count"])
result = []
result.extend([c for c in response["results"] if "cover" in c["filename"] or "cover" in c["title"]])
for c in result:
del response["results"][response["results"].index(c)]
result += response["results"]
return result + (self.get_book_chapters(page + 1) if response["next"] else [])
def get_default_cover(self):
response = self.requests_provider(self.book_info["cover"], stream=True)
if response == 0:
self.display.error("Error trying to retrieve the cover: %s" % self.book_info["cover"])
return False
file_ext = response.headers["Content-Type"].split("/")[-1]
with open(os.path.join(self.images_path, "default_cover." + file_ext), 'wb') as i:
for chunk in response.iter_content(1024):
i.write(chunk)
return "default_cover." + file_ext
def get_html(self, url):
response = self.requests_provider(url)
if response == 0 or response.status_code != 200:
self.display.exit(
"Crawler: error trying to retrieve this page: %s (%s)\n From: %s" %
(self.filename, self.chapter_title, url)
)
root = None
try:
root = html.fromstring(response.text, base_url=SAFARI_BASE_URL)
except (html.etree.ParseError, html.etree.ParserError) as parsing_error:
self.display.error(parsing_error)
self.display.exit(
"Crawler: error trying to parse this page: %s (%s)\n From: %s" %
(self.filename, self.chapter_title, url)
)
return root
@staticmethod
def url_is_absolute(url):
return bool(urlparse(url).netloc)
@staticmethod
def is_image_link(url: str):
return pathlib.Path(url).suffix[1:].lower() in ["jpg", "jpeg", "png", "gif"]
def link_replace(self, link):
if link and not link.startswith("mailto"):
if not self.url_is_absolute(link):
if any(x in link for x in ["cover", "images", "graphics"]) or \
self.is_image_link(link):
image = link.split("/")[-1]
return "Images/" + image
return link.replace(".html", ".xhtml")
else:
if self.book_id in link:
return self.link_replace(link.split(self.book_id)[-1])
return link
@staticmethod
def get_cover(html_root):
lowercase_ns = etree.FunctionNamespace(None)
lowercase_ns["lower-case"] = lambda _, n: n[0].lower() if n and len(n) else ""
images = html_root.xpath("//img[contains(lower-case(@id), 'cover') or contains(lower-case(@class), 'cover') or"
"contains(lower-case(@name), 'cover') or contains(lower-case(@src), 'cover') or"
"contains(lower-case(@alt), 'cover')]")
if len(images):
return images[0]
divs = html_root.xpath("//div[contains(lower-case(@id), 'cover') or contains(lower-case(@class), 'cover') or"
"contains(lower-case(@name), 'cover') or contains(lower-case(@src), 'cover')]//img")
if len(divs):
return divs[0]
a = html_root.xpath("//a[contains(lower-case(@id), 'cover') or contains(lower-case(@class), 'cover') or"
"contains(lower-case(@name), 'cover') or contains(lower-case(@src), 'cover')]//img")
if len(a):
return a[0]
return None
def parse_html(self, root, first_page=False):
if random() > 0.8:
if len(root.xpath("//div[@class='controls']/a/text()")):
self.display.exit(self.display.api_error(" "))
book_content = root.xpath("//div[@id='sbo-rt-content']")
if not len(book_content):
self.display.exit(
"Parser: book content's corrupted or not present: %s (%s)" %
(self.filename, self.chapter_title)
)
page_css = ""
if len(self.chapter_stylesheets):
for chapter_css_url in self.chapter_stylesheets:
if chapter_css_url not in self.css:
self.css.append(chapter_css_url)
self.display.log("Crawler: found a new CSS at %s" % chapter_css_url)
page_css += "<link href=\"Styles/Style{0:0>2}.css\" " \
"rel=\"stylesheet\" type=\"text/css\" />\n".format(self.css.index(chapter_css_url))
stylesheet_links = root.xpath("//link[@rel='stylesheet']")
if len(stylesheet_links):
for s in stylesheet_links:
css_url = urljoin("https:", s.attrib["href"]) if s.attrib["href"][:2] == "//" \
else urljoin(self.base_url, s.attrib["href"])
if css_url not in self.css:
self.css.append(css_url)
self.display.log("Crawler: found a new CSS at %s" % css_url)
page_css += "<link href=\"Styles/Style{0:0>2}.css\" " \
"rel=\"stylesheet\" type=\"text/css\" />\n".format(self.css.index(css_url))
stylesheets = root.xpath("//style")
if len(stylesheets):
for css in stylesheets:
if "data-template" in css.attrib and len(css.attrib["data-template"]):
css.text = css.attrib["data-template"]
del css.attrib["data-template"]
try:
page_css += html.tostring(css, method="xml", encoding='unicode') + "\n"
except (html.etree.ParseError, html.etree.ParserError) as parsing_error:
self.display.error(parsing_error)
self.display.exit(
"Parser: error trying to parse one CSS found in this page: %s (%s)" %
(self.filename, self.chapter_title)
)
# TODO: add all not covered tag for `link_replace` function
svg_image_tags = root.xpath("//image")
if len(svg_image_tags):
for img in svg_image_tags:
image_attr_href = [x for x in img.attrib.keys() if "href" in x]
if len(image_attr_href):
svg_url = img.attrib.get(image_attr_href[0])
svg_root = img.getparent().getparent()
new_img = svg_root.makeelement("img")
new_img.attrib.update({"src": svg_url})
svg_root.remove(img.getparent())
svg_root.append(new_img)
book_content = book_content[0]
book_content.rewrite_links(self.link_replace)
xhtml = None
try:
if first_page:
is_cover = self.get_cover(book_content)
if is_cover is not None:
page_css = "<style>" \
"body{display:table;position:absolute;margin:0!important;height:100%;width:100%;}" \
"#Cover{display:table-cell;vertical-align:middle;text-align:center;}" \
"img{height:90vh;margin-left:auto;margin-right:auto;}" \
"</style>"
cover_html = html.fromstring("<div id=\"Cover\"></div>")
cover_div = cover_html.xpath("//div")[0]
cover_img = cover_div.makeelement("img")
cover_img.attrib.update({"src": is_cover.attrib["src"]})
cover_div.append(cover_img)
book_content = cover_html
self.cover = is_cover.attrib["src"]
xhtml = html.tostring(book_content, method="xml", encoding='unicode')
except (html.etree.ParseError, html.etree.ParserError) as parsing_error:
self.display.error(parsing_error)
self.display.exit(
"Parser: error trying to parse HTML of this page: %s (%s)" %
(self.filename, self.chapter_title)
)
return page_css, xhtml
@staticmethod
def escape_dirname(dirname, clean_space=False):
if ":" in dirname:
if dirname.index(":") > 15:
dirname = dirname.split(":")[0]
elif "win" in sys.platform:
dirname = dirname.replace(":", ",")
for ch in ['~', '#', '%', '&', '*', '{', '}', '\\', '<', '>', '?', '/', '`', '\'', '"', '|', '+', ':']:
if ch in dirname:
dirname = dirname.replace(ch, "_")
return dirname if not clean_space else dirname.replace(" ", "")
def create_dirs(self):
if os.path.isdir(self.BOOK_PATH):
self.display.log("Book directory already exists: %s" % self.BOOK_PATH)
else:
os.makedirs(self.BOOK_PATH)
oebps = os.path.join(self.BOOK_PATH, "OEBPS")
if not os.path.isdir(oebps):
self.display.book_ad_info = True
os.makedirs(oebps)
self.css_path = os.path.join(oebps, "Styles")
if os.path.isdir(self.css_path):
self.display.log("CSSs directory already exists: %s" % self.css_path)
else:
os.makedirs(self.css_path)
self.display.css_ad_info.value = 1
self.images_path = os.path.join(oebps, "Images")
if os.path.isdir(self.images_path):
self.display.log("Images directory already exists: %s" % self.images_path)
else:
os.makedirs(self.images_path)
self.display.images_ad_info.value = 1
def save_page_html(self, contents):
self.filename = self.filename.replace(".html", ".xhtml")
open(os.path.join(self.BOOK_PATH, "OEBPS", self.filename), "wb") \
.write(self.BASE_HTML.format(contents[0], contents[1]).encode("utf-8", 'xmlcharrefreplace'))
self.display.log("Created: %s" % self.filename)
def get(self):
len_books = len(self.book_chapters)
for _ in range(len_books):
if not len(self.chapters_queue):
return
first_page = len_books == len(self.chapters_queue)
next_chapter = self.chapters_queue.pop(0)
self.chapter_title = next_chapter["title"]
self.filename = next_chapter["filename"]
# Images
if "images" in next_chapter and len(next_chapter["images"]):
self.images.extend(urljoin(next_chapter['asset_base_url'], img_url)
for img_url in next_chapter['images'])
# Stylesheets
self.chapter_stylesheets = []
if "stylesheets" in next_chapter and len(next_chapter["stylesheets"]):
self.chapter_stylesheets.extend(x["url"] for x in next_chapter["stylesheets"])
if "site_styles" in next_chapter and len(next_chapter["site_styles"]):
self.chapter_stylesheets.extend(next_chapter["site_styles"])
if os.path.isfile(os.path.join(self.BOOK_PATH, "OEBPS", self.filename.replace(".html", ".xhtml"))):
if not self.display.book_ad_info and \
next_chapter not in self.book_chapters[:self.book_chapters.index(next_chapter)]:
self.display.info(
("File `%s` already exists.\n"
" If you want to download again all the book,\n"
" please delete the output directory '" + self.BOOK_PATH + "' and restart the program.")
% self.filename.replace(".html", ".xhtml")
)
self.display.book_ad_info = 2
else:
self.save_page_html(self.parse_html(self.get_html(next_chapter["content"]), first_page))
self.display.state(len_books, len_books - len(self.chapters_queue))
def _thread_download_css(self, url):
css_file = os.path.join(self.css_path, "Style{0:0>2}.css".format(self.css.index(url)))
if os.path.isfile(css_file):
if not self.display.css_ad_info.value and url not in self.css[:self.css.index(url)]:
self.display.info(("File `%s` already exists.\n"
" If you want to download again all the CSSs,\n"
" please delete the output directory '" + self.BOOK_PATH + "'"
" and restart the program.") %
css_file)
self.display.css_ad_info.value = 1
else:
response = self.requests_provider(url)
if response == 0:
self.display.error("Error trying to retrieve this CSS: %s\n From: %s" % (css_file, url))
with open(css_file, 'wb') as s:
s.write(response.content)
self.css_done_queue.put(1)
self.display.state(len(self.css), self.css_done_queue.qsize())
def _thread_download_images(self, url):
image_name = url.split("/")[-1]
image_path = os.path.join(self.images_path, image_name)
if os.path.isfile(image_path):
if not self.display.images_ad_info.value and url not in self.images[:self.images.index(url)]:
self.display.info(("File `%s` already exists.\n"
" If you want to download again all the images,\n"
" please delete the output directory '" + self.BOOK_PATH + "'"
" and restart the program.") %
image_name)
self.display.images_ad_info.value = 1
else:
response = self.requests_provider(urljoin(SAFARI_BASE_URL, url), stream=True)
if response == 0:
self.display.error("Error trying to retrieve this image: %s\n From: %s" % (image_name, url))
return
with open(image_path, 'wb') as img:
for chunk in response.iter_content(1024):
img.write(chunk)
self.images_done_queue.put(1)
self.display.state(len(self.images), self.images_done_queue.qsize())
def _start_multiprocessing(self, operation, full_queue):
if len(full_queue) > 5:
for i in range(0, len(full_queue), 5):
self._start_multiprocessing(operation, full_queue[i:i + 5])
else:
process_queue = [Process(target=operation, args=(arg,)) for arg in full_queue]
for proc in process_queue:
proc.start()
for proc in process_queue:
proc.join()
def collect_css(self):
self.display.state_status.value = -1
# "self._start_multiprocessing" seems to cause problem. Switching to mono-thread download.
for css_url in self.css:
self._thread_download_css(css_url)
def collect_images(self):
if self.display.book_ad_info == 2:
self.display.info("Some of the book contents were already downloaded.\n"
" If you want to be sure that all the images will be downloaded,\n"
" please delete the output direcotry '" + self.BOOK_PATH +
"' and restart the program.")
self.display.state_status.value = -1
# "self._start_multiprocessing" seems to cause problem. Switching to mono-thread download.
for image_url in self.images:
self._thread_download_images(image_url)
def create_content_opf(self):
self.css = next(os.walk(self.css_path))[2]
self.images = next(os.walk(self.images_path))[2]
manifest = []
spine = []
for c in self.book_chapters:
c["filename"] = c["filename"].replace(".html", ".xhtml")
item_id = escape("".join(c["filename"].split(".")[:-1]))
manifest.append("<item id=\"{0}\" href=\"{1}\" media-type=\"application/xhtml+xml\" />".format(
item_id, c["filename"]
))
spine.append("<itemref idref=\"{0}\"/>".format(item_id))
for i in set(self.images):
dot_split = i.split(".")
head = "img_" + escape("".join(dot_split[:-1]))
extension = dot_split[-1]
manifest.append("<item id=\"{0}\" href=\"Images/{1}\" media-type=\"image/{2}\" />".format(
head, i, "jpeg" if "jp" in extension else extension
))
for i in range(len(self.css)):
manifest.append("<item id=\"style_{0:0>2}\" href=\"Styles/Style{0:0>2}.css\" "
"media-type=\"text/css\" />".format(i))
authors = "\n".join("<dc:creator opf:file-as=\"{0}\" opf:role=\"aut\">{0}</dc:creator>".format(
escape(aut.get("name", "n/d"))
) for aut in self.book_info.get("authors", []))
subjects = "\n".join("<dc:subject>{0}</dc:subject>".format(escape(sub.get("name", "n/d")))
for sub in self.book_info.get("subjects", []))
return self.CONTENT_OPF.format(
(self.book_info.get("isbn", self.book_id)),
escape(self.book_title),
authors,
escape(self.book_info.get("description", "")),
subjects,
", ".join(escape(pub.get("name", "")) for pub in self.book_info.get("publishers", [])),
escape(self.book_info.get("rights", "")),
self.book_info.get("issued", ""),
self.cover,
"\n".join(manifest),
"\n".join(spine),
self.book_chapters[0]["filename"].replace(".html", ".xhtml")
)
@staticmethod
def parse_toc(l, c=0, mx=0):
r = ""
for cc in l:
c += 1
if int(cc["depth"]) > mx:
mx = int(cc["depth"])
r += "<navPoint id=\"{0}\" playOrder=\"{1}\">" \
"<navLabel><text>{2}</text></navLabel>" \
"<content src=\"{3}\"/>".format(
cc["fragment"] if len(cc["fragment"]) else cc["id"], c,
escape(cc["label"]), cc["href"].replace(".html", ".xhtml").split("/")[-1]
)
if cc["children"]:
sr, c, mx = SafariBooks.parse_toc(cc["children"], c, mx)
r += sr
r += "</navPoint>\n"
return r, c, mx
def create_toc(self):
response = self.requests_provider(urljoin(self.api_url, "toc/"))
if response == 0:
self.display.exit("API: unable to retrieve book chapters. "
"Don't delete any files, just run again this program"
" in order to complete the `.epub` creation!")