├── 运行效果1.jpg ├── 运行效果2.jpg ├── js信息转换器.py ├── readme.md ├── 全部网课信息.txt ├── 抢课测试.py └── LICENSE /运行效果1.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Aegis1863/Rush-for-classes/HEAD/运行效果1.jpg -------------------------------------------------------------------------------- /运行效果2.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Aegis1863/Rush-for-classes/HEAD/运行效果2.jpg -------------------------------------------------------------------------------- /js信息转换器.py: -------------------------------------------------------------------------------- 1 | def tran(t): 2 | if t!='': 3 | p=dict([line.split(": ",1) for line in t.split("\n")]) 4 | return p 5 | else: 6 | return t 7 | t=str(input('输入：')) 8 | p=tran(t) 9 | print('\n{}'.format(p)) 10 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | 抢课项目 2 | ==== 3 | 原理 4 | -------- 5 |   抓取抢课所post的包，然后复制请求进行重复发送，但是现在存在不够自动化的问题，需要先出现抢课按钮，然后才能复制到请求，所以不能第一时间抢课。 6 | ### 抓包 7 |   先说下抢课原理，个人电脑上点击选课按钮会发送一个信息（暂且称之为信息A）到学校服务器，学校服务器判断有无余量，有余量则抢课成功，无余量则抢课失败，服务器会给个人电脑发送一段返回值（暂且称之为信息B），其中有一个参数代表是否抢课成功，成功返回值是`1`，不成功是`-1`，我们要抓取信息A的内容，这样理论上说就可以反复使用，也就是反复申请，信息A中主要包括三个信息，也是我们需要抓的内容：url、headers（爬虫头）、data（表单），不同的课程的选课申请只改变了data表单内容，不改变url和爬虫头。
8 |   怎么抓包？请面向百度自学。主要是理解原理和应用，抓包是自己提取信息，然后作为爬虫的参数。
9 |   只要掌握原理，不同学校、不同类型的网站和服务器，都可以用相同方法抢课。 10 | 但是据说少数学校的网站有反爬措施，因此建议先用requests.get()方法尝试爬虫，试探学校网站反爬水平，大部分学校服务器无反爬措施，不会封锁ip
11 | 12 | 主要文件介绍 13 | ------------- 14 | ### js信息转化器 15 |   该程序为抢课程序配套程序，是用以将浏览器上复制到的js格式的爬虫头和表单转化为python字典的程序（在这里为表单数据），转化为字典之后可以写入抢课程序中作为post参数，js格式的信息不能在py中直接使用。也可以将该代码整合进主程序中。 16 | 17 |   另外，无法直接通过json库的```json.dumps()```实现，若用此方法，还需进一步处理。 18 | 19 | ### 抢课测试 20 |   目前还是叫抢课测试，虽然已经能够实现长时间自动监控抢课，但是功能还可以继续完善，运行效果参考附图片。
21 |   代码部分很简单，唯一比较麻烦的是处理抢课过程中碰到的问题：
22 |     1. 只需要3分时避免抢到5分
23 |     2. 实现抢到5分自动停止抢课
24 |     3. 实现已经抢到4分的情况下避免再抢到2分而超过5分的情况。
25 |     4. 自定义抢到的学分上限
26 |   通过多层判断语句，现在已经基本解决，该部分在代码中看起来有点复杂。
27 |   源码中已经包含了爬虫头和两个课程的表单信息，url、爬虫头、表单信息都需要自己手动查找并填写，其中爬虫头和表单信息需要用js信息转化器转化。 28 | 29 | 附运行效果图片 30 | ============ 31 | 运行效果1（使用spyder） 32 | ---------- 33 | ![image](https://github.com/LeeSunBowen/Rush-for-classes/blob/master/运行效果1.jpg) 34 | 35 | 运行效果2（抢课成功效果） 36 | ---------- 37 | ![image](https://github.com/LeeSunBowen/Rush-for-classes/blob/master/运行效果2.jpg) 38 | -------------------------------------------------------------------------------- /全部网课信息.txt: -------------------------------------------------------------------------------- 1 | data = [ 2 | {'jxb_ids': '6cd00fe3532d56581b5a36f4f5aeeb091e8bd0d46dad8ad2cd6b412244c516f3a9295f22094065ad041c8296f612140e47ca0a12cb77d0b90404f1ce6c09cb1dee375273e91f88f2b14511c6f8736cf41139923b2b952d90ea8b06aba2bf1ece1c59467bf2cbaba8a27f556d5eaeda9aa586f48ca79703d062ded9b2c617f086', 'kch_id': '8C341314ABA711E7E0530B50C5DADB8B', 'kcmc': '(TX9838)舌尖上的植物学(网络通识课) - 2.0 学分', 'rwlx': '2', 'rlkz': '0', 'rlzlkz': '1', 'sxbj': '1', 'xxkbj': '0', 'qz': '0', 'cxbj': '0', 'xkkz_id': 'B43BB9A6FD6296B9E0530B50C5DA7240', 'njdm_id': '2018', 'zyh_id': '0307', 'kklxdm': '10', 'xklc': '1', 'xkxnm': '2020', 'xkxqm': '12'}, 3 | {'jxb_ids': '56b035ad5c4bcfd37eefcd51202732a6d31bfb477b3329b265ffa294684933a25cb19b8d1876499564a607dca88a49391d551d90e001a6a107cd43233192a1c413c330a659968a744bfd0c8c6fbd1d41909052567586da861c7d673018a8397297c20143430f125a416da5625eca97aeac67babe8eee0c340a6b57e312daaaf5', 'kch_id': 'TX3705', 'kcmc': '(TX3705)科学技术简史(网络通识课) - 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2.0 学分', 'rwlx': '2', 'rlkz': '0', 'rlzlkz': '1', 'sxbj': '1', 'xxkbj': '0', 'qz': '0', 'cxbj': '0', 'xkkz_id': 'B43BB9A6FD6296B9E0530B50C5DA7240', 'njdm_id': '2018', 'zyh_id': '0307', 'kklxdm': '10', 'xklc': '1', 'xkxnm': '2020', 'xkxqm': '12'}, 26 | {'jxb_ids': '3c764fddd682c8090b39c737f9642bcf799d17cecb5ef9cdd20697c36ee8b19927d493de46477c95908c4e4bb86ff4f055081857e5889fc0696ed95fe1f44b3eeec66d88d95e37cb1493a75f815530cf23c927771467584ef0b6581a875fd94867d69489c7152111a726fd38775f7365c1714084cc8ba7ba64e687994192908f', 'kch_id': 'TX4309', 'kcmc': '(TX4309)四大名著鉴赏(网络通识课) - 2.0 学分', 'rwlx': '2', 'rlkz': '0', 'rlzlkz': '1', 'sxbj': '1', 'xxkbj': '0', 'qz': '0', 'cxbj': '0', 'xkkz_id': 'B43BB9A6FD6296B9E0530B50C5DA7240', 'njdm_id': '2018', 'zyh_id': '0307', 'kklxdm': '10', 'xklc': '1', 'xkxnm': '2020', 'xkxqm': '12'} 27 | ] -------------------------------------------------------------------------------- /抢课测试.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | """ 3 | Created on Sat Jun 20 23:42:23 2020 4 | 5 | @author: LiSunBowen 6 | """ 7 | 8 | import requests 9 | import time 10 | 11 | urlh = 'http://218.197.82.133/xsxk/zzxkyzbjk_xkBcZyZzxkYzb.html?gnmkdm=N253512&su=18020115' 12 | url = urlh 13 | # header 里面放自己登录之后的头信息，其中cookie相当于身份认证 14 | header = {'Accept': 'application/json, text/javascript, */*; q=0.01', 'Accept-Encoding': 'gzip, deflate', 'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6', 'Connection': 'keep-alive', 'Content-Length': '606', 'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8', 'Cookie': 'JSESSIONID=EFDE1F7D64C', 'DNT': '1', 'Host': '218.197.82.133', 'Origin': 'http://218.197.82.133', 'Referer': 'http://218.197.82.133/xsxk/zzxkyzb_cxZzxkYzbIndex.html?gnmkdm=N253512&layout=default&su=18020115', 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.57', 'X-Requested-With': 'XMLHttpRequest'} 15 | 16 | # header=dict([line.split(": ",1) for line in header[i].split("\n")]) 已弃用 17 | 18 | # data 里面放抢课的data信息，这里放了全部网课的data信息，可以实现全部监控（丧心病狂）.. 19 | data = [ 20 | {'jxb_ids': '6cd00fe3532d56581b5a36f4f5aeeb091e8bd0d46dad8ad2cd6b412244c516f3a9295f22094065ad041c8296f612140e47ca0a12cb77d0b90404f1ce6c09cb1dee375273e91f88f2b14511c6f8736cf41139923b2b952d90ea8b06aba2bf1ece1c59467bf2cbaba8a27f556d5eaeda9aa586f48ca79703d062ded9b2c617f086', 'kch_id': '8C341314ABA711E7E0530B50C5DADB8B', 'kcmc': '(TX9838)舌尖上的植物学(网络通识课) - 2.0 学分', 'rwlx': '2', 'rlkz': '0', 'rlzlkz': '1', 'sxbj': '1', 'xxkbj': '0', 'qz': '0', 'cxbj': '0', 'xkkz_id': 'B43BB9A6FD6296B9E0530B50C5DA7240', 'njdm_id': '2018', 'zyh_id': '0307', 'kklxdm': '10', 'xklc': '1', 'xkxnm': '2020', 'xkxqm': '12'}, 21 | {'jxb_ids': '56b035ad5c4bcfd37eefcd51202732a6d31bfb477b3329b265ffa294684933a25cb19b8d1876499564a607dca88a49391d551d90e001a6a107cd43233192a1c413c330a659968a744bfd0c8c6fbd1d41909052567586da861c7d673018a8397297c20143430f125a416da5625eca97aeac67babe8eee0c340a6b57e312daaaf5', 'kch_id': 'TX3705', 'kcmc': '(TX3705)科学技术简史(网络通识课) - 2.0 学分', 'rwlx': '2', 'rlkz': '0', 'rlzlkz': '1', 'sxbj': '1', 'xxkbj': '0', 'qz': '0', 'cxbj': '0', 'xkkz_id': 'B43BB9A6FD6296B9E0530B50C5DA7240', 'njdm_id': '2018', 'zyh_id': '0307', 'kklxdm': '10', 'xklc': '1', 'xkxnm': '2020', 'xkxqm': '12'}, 22 | {'jxb_ids': '7ceb1c515dfe4d0b4aa89ec0ec4ea17f55d0f6828d4eb4bd52dc48ae1a4325fb46fe3ad6427b42b76617fc14b88686044139d993d895561b351e8a1a7caddb58f04fdfec44ca944baa30f8edc9b7fa35faeb7c523a6b5bfa9fb2f49beeda854482baff914d439e75119e4fdc85baf552f240f8cfc52c964c49c5452fc17e9a0f', 'kch_id': '8C333E92ACE42D78E0530B50C5DA7285', 'kcmc': '(TX9839)创新中国(网络通识课) - 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2.0 学分', 'rwlx': '2', 'rlkz': '0', 'rlzlkz': '1', 'sxbj': '1', 'xxkbj': '0', 'qz': '0', 'cxbj': '0', 'xkkz_id': 'B43BB9A6FD6296B9E0530B50C5DA7240', 'njdm_id': '2018', 'zyh_id': '0307', 'kklxdm': '10', 'xklc': '1', 'xkxnm': '2020', 'xkxqm': '12'}, 43 | {'jxb_ids': '3c764fddd682c8090b39c737f9642bcf799d17cecb5ef9cdd20697c36ee8b19927d493de46477c95908c4e4bb86ff4f055081857e5889fc0696ed95fe1f44b3eeec66d88d95e37cb1493a75f815530cf23c927771467584ef0b6581a875fd94867d69489c7152111a726fd38775f7365c1714084cc8ba7ba64e687994192908f', 'kch_id': 'TX4309', 'kcmc': '(TX4309)四大名著鉴赏(网络通识课) - 2.0 学分', 'rwlx': '2', 'rlkz': '0', 'rlzlkz': '1', 'sxbj': '1', 'xxkbj': '0', 'qz': '0', 'cxbj': '0', 'xkkz_id': 'B43BB9A6FD6296B9E0530B50C5DA7240', 'njdm_id': '2018', 'zyh_id': '0307', 'kklxdm': '10', 'xklc': '1', 'xkxnm': '2020', 'xkxqm': '12'} 44 | ] 45 | # data[i]=dict([line.split(": ",1) for line in data.split("\n")]) 已弃用 46 | 47 | t = -1 # 初始化t值，t是抢课后服务器返回值，返回-1表示因为满员或其他原因未抢课成功，返回1表示抢课成功 48 | num = 0 # 计数器，记录重复发送了多少次 49 | e = 0 # 记录出错次数，在后续代码中，出错14次就会停止执行程序并报错 50 | p = 0 # 计算抢到的各个课程的学分和，避免超过学分上限，比如只需要3分，避免抢到5分 51 | i = 0 # 初始化i=0，也可不写，因为在循环中i默认从0开始 52 | p0 = int(input('请输入学分上限：')) # 设置学分上限，比如输入4分，就不会抢到5分，但可能抢到3分停止 53 | if isinstance(data, list): # 判断data是不是列表，建议使用列表 54 | # 默认t=-1时才能进入循环体，现有学分P要小于设定的学分上限，错误次数e小于14次才能继续循环（可以调整），设置了num的上限，重复10000次后停止，避免无限循环，可以手动调整 55 | while (t == -1) and (p < p0) and (e < 5) and (num < 10000): # 出错5次停止 56 | for i in range(len(data)): 57 | try: 58 | if p + eval(data[i]['kcmc'].split(' ')[2]) <= p0: # 获取data中的课程学分，避免抢到的学分超过上限 59 | ''' 60 | 发送请求，这是关键步骤 61 | ''' 62 | t == -1 63 | r = requests.post( 64 | url, data=data[i], headers=header, timeout=5) 65 | 66 | # 判断返回值，返回值的参数flag后是1或-1，代表选课成功、不成功 67 | t = eval(eval(r.text)['flag']) 68 | num = num+1 # 计数器 69 | time.sleep(0.2) # 每次提交请求后休息0.3秒（可以调整） 70 | if t == -1: # 返回-1抢课失败 71 | print('没有抢到{}，重复执行第{}次,现学分{}'.format( 72 | data[i]['kcmc'].split(' ')[0], num, p)) 73 | elif t == 1: # 返回1抢课成功 74 | p = p + eval(data[i]['kcmc'].split(' ')[2]) # 累加抢到的学分 75 | print('>>抢课成功,课程名称:{}，现学分{}'.format( 76 | data[i]['kcmc'], p)) 77 | if p == p0: # 抢满学分时跳出循环，停止程序 78 | break 79 | elif p + eval(data[i]['kcmc'].split(' ')[2]) > p0: # 避免超过学分上限，若会超过，跳出循环，停止程序 80 | print('-->当前已经抢到最大学分限度，现有学分{}'.format(p)) 81 | if p0 == 1: # 学分上限是特殊情况，只需要抢到一分课即可跳出 82 | t = 1 83 | break 84 | except: # 出现网络问题会提示以下信息 85 | print('\n***出现网络问题，请登入网站检查是否正常***') 86 | e = e + 1 87 | else: # 不满足while的条件时显示以下内容 88 | if p + eval(data[i]['kcmc'].split(' ')[2]) > p0: # 继续抢课会超过学分上限提示 89 | print('==已经抢到最大限度，现有学分{}=='.format(p)) 90 | elif p == p0: # 学分抢满提示 91 | print('==学分已经满，现学分{}=='.format(p)) 92 | else: # 其他问题提示 93 | print('出现其他问题') 94 | else: # 不是列表提示 95 | print('data不是列表，检查数据') 96 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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You may not convey a covered 525 | work if you are a party to an arrangement with a third party that is 526 | in the business of distributing software, under which you make payment 527 | to the third party based on the extent of your activity of conveying 528 | the work, and under which the third party grants, to any of the 529 | parties who would receive the covered work from you, a discriminatory 530 | patent license (a) in connection with copies of the covered work 531 | conveyed by you (or copies made from those copies), or (b) primarily 532 | for and in connection with specific products or compilations that 533 | contain the covered work, unless you entered into that arrangement, 534 | or that patent license was granted, prior to 28 March 2007. 535 | 536 | Nothing in this License shall be construed as excluding or limiting 537 | any implied license or other defenses to infringement that may 538 | otherwise be available to you under applicable patent law. 539 | 540 | 12. No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------