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18 changes: 18 additions & 0 deletions WebCrawler/.vscode/launch.json
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{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [

{
"type": "pwa-node",
"request": "launch",
"name": "Launch Program",
"skipFiles": [
"<node_internals>/**"
],
"program": "${workspaceFolder}\\postscrape\\postscrape\\spiders\\queries.js"
}
]
}
102 changes: 102 additions & 0 deletions WebCrawler/postscrape/itens.json

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14 changes: 14 additions & 0 deletions WebCrawler/postscrape/postscrape/items.py
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# Define here the models for your scraped items
#
# See documentation in:
# https://docs.scrapy.org/en/latest/topics/items.html

import scrapy


class PostscrapeItem(scrapy.Item):

# define the fields for your item here like:
text = scrapy.Field()
author = scrapy.Field()
tag = scrapy.Field()
103 changes: 103 additions & 0 deletions WebCrawler/postscrape/postscrape/middlewares.py
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# Define here the models for your spider middleware
#
# See documentation in:
# https://docs.scrapy.org/en/latest/topics/spider-middleware.html

from scrapy import signals

# useful for handling different item types with a single interface
from itemadapter import is_item, ItemAdapter


class PostscrapeSpiderMiddleware:
# Not all methods need to be defined. If a method is not defined,
# scrapy acts as if the spider middleware does not modify the
# passed objects.

@classmethod
def from_crawler(cls, crawler):
# This method is used by Scrapy to create your spiders.
s = cls()
crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
return s

def process_spider_input(self, response, spider):
# Called for each response that goes through the spider
# middleware and into the spider.

# Should return None or raise an exception.
return None

def process_spider_output(self, response, result, spider):
# Called with the results returned from the Spider, after
# it has processed the response.

# Must return an iterable of Request, or item objects.
for i in result:
yield i

def process_spider_exception(self, response, exception, spider):
# Called when a spider or process_spider_input() method
# (from other spider middleware) raises an exception.

# Should return either None or an iterable of Request or item objects.
pass

def process_start_requests(self, start_requests, spider):
# Called with the start requests of the spider, and works
# similarly to the process_spider_output() method, except
# that it doesn’t have a response associated.

# Must return only requests (not items).
for r in start_requests:
yield r

def spider_opened(self, spider):
spider.logger.info('Spider opened: %s' % spider.name)


class PostscrapeDownloaderMiddleware:
# Not all methods need to be defined. If a method is not defined,
# scrapy acts as if the downloader middleware does not modify the
# passed objects.

@classmethod
def from_crawler(cls, crawler):
# This method is used by Scrapy to create your spiders.
s = cls()
crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
return s

def process_request(self, request, spider):
# Called for each request that goes through the downloader
# middleware.

# Must either:
# - return None: continue processing this request
# - or return a Response object
# - or return a Request object
# - or raise IgnoreRequest: process_exception() methods of
# installed downloader middleware will be called
return None

def process_response(self, request, response, spider):
# Called with the response returned from the downloader.

# Must either;
# - return a Response object
# - return a Request object
# - or raise IgnoreRequest
return response

def process_exception(self, request, exception, spider):
# Called when a download handler or a process_request()
# (from other downloader middleware) raises an exception.

# Must either:
# - return None: continue processing this exception
# - return a Response object: stops process_exception() chain
# - return a Request object: stops process_exception() chain
pass

def spider_opened(self, spider):
spider.logger.info('Spider opened: %s' % spider.name)
20 changes: 20 additions & 0 deletions WebCrawler/postscrape/postscrape/pipelines.py
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# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html
import pymongo

class PostscrapePipeline(object):

def __init__(self):
self.conn =pymongo.MongoClient(
'localhost',
27017
)
db = self.conn['quotestoscrape']
self.collection = db['alexander_parreira']

def process_item(self, item, spider):

self.collection.insert(dict(item))
return item
88 changes: 88 additions & 0 deletions WebCrawler/postscrape/postscrape/settings.py
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# Scrapy settings for postscrape project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# https://docs.scrapy.org/en/latest/topics/settings.html
# https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
# https://docs.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'postscrape'

SPIDER_MODULES = ['postscrape.spiders']
NEWSPIDER_MODULE = 'postscrape.spiders'


# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'postscrape (+http://www.yourdomain.com)'

# Obey robots.txt rules
ROBOTSTXT_OBEY = True

# Configure maximum concurrent requests performed by Scrapy (default: 16)
#CONCURRENT_REQUESTS = 32

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
#DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16

# Disable cookies (enabled by default)
#COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False

# Override the default request headers:
#DEFAULT_REQUEST_HEADERS = {
# 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
# 'Accept-Language': 'en',
#}

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'postscrape.middlewares.PostscrapeSpiderMiddleware': 543,
#}

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'postscrape.middlewares.PostscrapeDownloaderMiddleware': 543,
#}

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
# 'scrapy.extensions.telnet.TelnetConsole': None,
#}

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
'postscrape.pipelines.PostscrapePipeline': 300,
}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = 'httpcache'
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'
4 changes: 4 additions & 0 deletions WebCrawler/postscrape/postscrape/spiders/__init__.py
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# This package will contain the spiders of your Scrapy project
#
# Please refer to the documentation for information on how to create and manage
# your spiders.
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44 changes: 44 additions & 0 deletions WebCrawler/postscrape/postscrape/spiders/posts-spider.py
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import scrapy
from ..items import PostscrapeItem

class TitleSpider(scrapy.Spider):
name = "titles"
start_urls = [
'http://quotes.toscrape.com/',
]

def parse(self, response):

itens = PostscrapeItem()

div_titles = response.css('div.quote')

for title in div_titles:
text = title.css('span.text::text').get()
author = title.css('span small::text').get()
link = title.css('span a::attr(href)').get()
tag = title.css('div.tags a.tag::text').getall()

itens['text'] = text
itens['author'] = {'name': author ,
'url':'http://quotes.toscrape.com'+link}
itens['tag'] = tag

yield itens

next_page = response.css('li.next a::attr(href)').get()
if next_page is not None:
yield response.follow(next_page, callback=self.parse)



"""
page = response.url.split('/')[-1]
filename = 'posts-%s.html' % page
with open(filename, 'wb') as f:
f.write(response.body)


class titlesSpider(scrapy.Spider):

"""
27 changes: 27 additions & 0 deletions WebCrawler/postscrape/postscrape/spiders/queries.js
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//Quantas citações por autor foram coletadas?
db.alexander_parreira.aggregate([
{$group:
{_id: '$author.name',
qtd:{$sum: 1}
}
},
{$sort: {qtd: -1}

}]).pretty()


//Quantas tags distintas foram coletadas?
db.alexander_parreira.aggregate([
{$unwind: {
path:'$tag',
}}, {$group: {
_id: '$tag',
}}, {$count: 'tag'}
]).pretty()

//Quantas citações foram coletadas?
db.alexander_parreira.aggregate([
{$group: {
_id: '$text',}
}, {$count: 'tag'}])
11 changes: 11 additions & 0 deletions WebCrawler/postscrape/scrapy.cfg
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# Automatically created by: scrapy startproject
#
# For more information about the [deploy] section see:
# https://scrapyd.readthedocs.io/en/latest/deploy.html

[settings]
default = postscrape.settings

[deploy]
#url = http://localhost:6800/
project = postscrape
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pip
21 changes: 21 additions & 0 deletions WebCrawler/venv/Lib/site-packages/Automat-20.2.0.dist-info/LICENSE
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Copyright (c) 2014
Rackspace

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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