parent
cf8ac3c8e3
commit
2eb4b7691b
@ -1,135 +0,0 @@
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import random
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import string
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import jieba
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from collections import Counter
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import time
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###############################################################################
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# 本主题通用代码
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###############################################################################
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class Crawler:
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"""爬虫父类,为子类爬虫提供基础变量与函数"""
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def __init__(self) -> None:
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self.stop_words = self.get_stop_words()
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# 一共有三个可以切换的数据源，来自三个不同的网站
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self.data_source_1 = [
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'https://data.tpdc.ac.cn/zh-hans/data/4a68ebac-571f-4860-82b3-32d397b2ff59',
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'https://data.tpdc.ac.cn/zh-hans/data/19838f9a-9672-46d5-bd98-ca56973eb5fa',
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'https://data.tpdc.ac.cn/zh-hans/data/39018cd4-a3aa-4888-9a07-7316b52aefbc',
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'https://data.tpdc.ac.cn/zh-hans/data/12191fa5-2818-4557-b665-dbae88e557a4',
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'https://data.tpdc.ac.cn/zh-hans/data/5296105f-f1b6-4296-b2ee-8ddb0945d017',
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'https://data.tpdc.ac.cn/zh-hans/data/5c6b66b6-2699-4664-9024-0bfc4d7b6800',
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'https://data.tpdc.ac.cn/zh-hans/data/c4df7e12-ec56-4078-aebb-fb1b142ae622',
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'https://data.tpdc.ac.cn/zh-hans/data/27f4e535-16f8-47ae-be83-499cdf61f522',
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'https://data.tpdc.ac.cn/zh-hans/data/689ab245-cc98-440d-91d5-9784beb0a675',
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'https://data.tpdc.ac.cn/zh-hans/data/dc672fe7-7b00-4626-a9d5-8a0e00d791c3'
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]
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self.data_source_2 = [
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f'https://wen.lzep.cn/wen/186{i}.html' for i in range(100, 130)
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]
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self.data_source_3 = [
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f'https://www.gutenberg.org/cache/epub/73208/pg73{i}.txt'
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for i in range(200, 210)
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]
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def get_stop_words(self) -> list:
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"""返回常用停用词列表"""
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# 创建停用词列表
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stop_words = [
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'a', 'able', 'about', 'across', 'after', 'all', 'almost', 'also',
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'am', 'among', 'an', 'and', 'any', 'are', 'as', 'at', 'be',
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'because', 'been', 'but', 'by', 'can', 'cannot', 'could', 'dear',
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'did', 'do', 'does', 'either', 'else', 'ever', 'every', 'for',
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'from', 'get', 'got', 'had', 'has', 'have', 'he', 'her', 'hers',
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'him', 'his', 'how', 'however', 'i', 'if', 'in', 'into', 'is',
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'it', 'its', 'just', 'least', 'let', 'like', 'likely', 'may', 'me',
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'might', 'most', 'must', 'my', 'neither', 'no', 'nor', 'not', 'of',
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'off', 'often', 'on', 'only', 'or', 'other', 'our', 'own',
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'rather', 'said', 'say', 'says', 'she', 'should', 'since', 'so',
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'some', 'than', 'that', 'the', 'their', 'them', 'then', 'there',
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'these', 'they', 'this', 'tis', 'to', 'too', 'twas', 'us', 'wants',
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'was', 'we', 'were', 'what', 'when', 'where', 'which', 'while',
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'who', 'whom', 'why', 'will', 'with', 'would', 'yet', 'you',
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'your', '的', '是', '一些', '将', '它们', '这个', '用于', '包含', '用于', '示例'
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]
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# 将小写字母添加到停用词列表中
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stop_words.extend(list(string.ascii_lowercase))
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return stop_words
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def get_headers(self) -> dict:
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"""返回标头"""
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agent_list = [
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"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:87.0) Gecko/20100101 \
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Firefox/87.0",
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"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, li\
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ke Gecko) Chrome/65.0.3314.0 Safari/537.36 SE 2.X MetaSr 1.0",
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHT\
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ML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0',
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"Mozilla/5.0 (Linux; Android 7.0; SM-G950U Build/NRD90M) AppleWebK\
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it/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/53\
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7.36",
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"Mozilla/5.0 (Linux; Android 8.0.0; SM-G965U Build/R16NW) AppleWeb\
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Kit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Mobile Safari/\
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537.36",
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"Mozilla/5.0 (Linux; Android 8.1.0; SM-T837A) AppleWebKit/537.36 (\
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KHTML, like Gecko) Chrome/70.0.3538.80 Safari/537.36",
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"Mozilla/5.0 (Linux; U; en-us; KFAPWI Build/JDQ39) AppleWebKit/535\
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.19 (KHTML, like Gecko) Silk/3.13 Safari/535.19 Silk-Accelerated=t\
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rue",
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"Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia \
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550) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mob\
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ile Safari/537.36 Edge/14.14263",
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"Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia \
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950) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mob\
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ile Safari/537.36 Edge/14.14263",
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"Mozilla/5.0 (Linux; Android 11; moto g power (2022)) AppleWebKit/\
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537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.36",
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"Mozilla/5.0 (Linux; Android 6.0.1; Moto G (4)) AppleWebKit/537.36\
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(KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.36",
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"Mozilla/5.0 (Linux; Android 6.0.1; Nexus 10 Build/MOB31T) AppleWe\
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bKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36",
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"Mozilla/5.0 (Linux; Android 4.4.2; Nexus 4 Build/KOT49H) AppleWeb\
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Kit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.\
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36",
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"Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKi\
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t/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.36\
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",
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"Mozilla/5.0 (Linux; Android 8.0.0; Nexus 5X Build/OPR4.170623.006\
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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile S\
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afari/537.36",
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]
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headers = {
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"user_agent": random.choice(agent_list),
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}
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return headers
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def get_freqs(self, content: str) -> list[tuple[any, int]]:
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"""获取中文文本content的词频"""
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# 分词
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words = jieba.cut(content)
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word_freqs = Counter()
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for word in words:
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if word not in self.stop_words:
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word_freqs[word] += 1
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word_freqs = word_freqs.most_common(10)
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return word_freqs
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def print_freqs(self, word_freqs: list[tuple[any, int]]) -> None:
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"""打印词频"""
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cnt = 1
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for keyword, freq in word_freqs:
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if len(keyword) > 1:
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print(f"{keyword}: {freq}")
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cnt += 1
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if cnt > 10:
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return
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