diff options
author | Cody Hiar <codyfh@gmail.com> | 2018-03-19 21:30:32 -0600 |
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committer | Cody Hiar <codyfh@gmail.com> | 2018-03-19 21:30:32 -0600 |
commit | 3f5efcb91afc2e6d013800132b92e4a6c297f662 (patch) | |
tree | 3de0b3c6804ec51d5784d788b8df450eae208f1a /myproject |
Initial commit of working files
Diffstat (limited to 'myproject')
-rw-r--r-- | myproject/myproject/__init__.py | 0 | ||||
-rw-r--r-- | myproject/myproject/items.py | 19 | ||||
-rw-r--r-- | myproject/myproject/middlewares.py | 103 | ||||
-rw-r--r-- | myproject/myproject/pipelines.py | 11 | ||||
-rw-r--r-- | myproject/myproject/settings.py | 91 | ||||
-rw-r--r-- | myproject/myproject/spiders/__init__.py | 4 | ||||
-rw-r--r-- | myproject/myproject/spiders/blogitems.py | 32 | ||||
-rw-r--r-- | myproject/myproject/spiders/linkfinder.py | 18 | ||||
-rw-r--r-- | myproject/myproject/spiders/shell.py | 13 | ||||
-rw-r--r-- | myproject/scrapy.cfg | 11 |
10 files changed, 302 insertions, 0 deletions
diff --git a/myproject/myproject/__init__.py b/myproject/myproject/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/myproject/myproject/__init__.py diff --git a/myproject/myproject/items.py b/myproject/myproject/items.py new file mode 100644 index 0000000..99e70ed --- /dev/null +++ b/myproject/myproject/items.py @@ -0,0 +1,19 @@ +# -*- coding: utf-8 -*- + +# Define here the models for your scraped items +# +# See documentation in: +# https://doc.scrapy.org/en/latest/topics/items.html + +import scrapy + + +class BlogPostItem(scrapy.Item): + # define the fields for your item here like: + title = scrapy.Field() + year = scrapy.Field() + date = scrapy.Field() + pass + + def __repr__(self): + return "{date} {year} - {title}".format(**self) diff --git a/myproject/myproject/middlewares.py b/myproject/myproject/middlewares.py new file mode 100644 index 0000000..5c0f3e3 --- /dev/null +++ b/myproject/myproject/middlewares.py @@ -0,0 +1,103 @@ +# -*- coding: utf-8 -*- + +# Define here the models for your spider middleware +# +# See documentation in: +# https://doc.scrapy.org/en/latest/topics/spider-middleware.html + +from scrapy import signals + + +class MyprojectSpiderMiddleware(object): + # 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, dict 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 Response, dict + # 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 MyprojectDownloaderMiddleware(object): + # 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) diff --git a/myproject/myproject/pipelines.py b/myproject/myproject/pipelines.py new file mode 100644 index 0000000..0bdee9f --- /dev/null +++ b/myproject/myproject/pipelines.py @@ -0,0 +1,11 @@ +# -*- coding: utf-8 -*- + +# Define your item pipelines here +# +# Don't forget to add your pipeline to the ITEM_PIPELINES setting +# See: https://doc.scrapy.org/en/latest/topics/item-pipeline.html + + +class MyprojectPipeline(object): + def process_item(self, item, spider): + return item diff --git a/myproject/myproject/settings.py b/myproject/myproject/settings.py new file mode 100644 index 0000000..6790f78 --- /dev/null +++ b/myproject/myproject/settings.py @@ -0,0 +1,91 @@ +# -*- coding: utf-8 -*- + +# Scrapy settings for myproject project +# +# For simplicity, this file contains only settings considered important or +# commonly used. You can find more settings consulting the documentation: +# +# https://doc.scrapy.org/en/latest/topics/settings.html +# https://doc.scrapy.org/en/latest/topics/downloader-middleware.html +# https://doc.scrapy.org/en/latest/topics/spider-middleware.html + +BOT_NAME = 'myproject' + +SPIDER_MODULES = ['myproject.spiders'] +NEWSPIDER_MODULE = 'myproject.spiders' + + +# Crawl responsibly by identifying yourself (and your website) on the user-agent +#USER_AGENT = 'myproject (+http://www.yourdomain.com)' + +# Obey robots.txt rules +ROBOTSTXT_OBEY = False +LOG_LEVEL = 'WARNING' + +# 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://doc.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://doc.scrapy.org/en/latest/topics/spider-middleware.html +#SPIDER_MIDDLEWARES = { +# 'myproject.middlewares.MyprojectSpiderMiddleware': 543, +#} + +# Enable or disable downloader middlewares +# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html +#DOWNLOADER_MIDDLEWARES = { +# 'myproject.middlewares.MyprojectDownloaderMiddleware': 543, +#} + +# Enable or disable extensions +# See https://doc.scrapy.org/en/latest/topics/extensions.html +#EXTENSIONS = { +# 'scrapy.extensions.telnet.TelnetConsole': None, +#} + +# Configure item pipelines +# See https://doc.scrapy.org/en/latest/topics/item-pipeline.html +#ITEM_PIPELINES = { +# 'myproject.pipelines.MyprojectPipeline': 300, +#} + +# Enable and configure the AutoThrottle extension (disabled by default) +# See https://doc.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://doc.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' diff --git a/myproject/myproject/spiders/__init__.py b/myproject/myproject/spiders/__init__.py new file mode 100644 index 0000000..ebd689a --- /dev/null +++ b/myproject/myproject/spiders/__init__.py @@ -0,0 +1,4 @@ +# 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. diff --git a/myproject/myproject/spiders/blogitems.py b/myproject/myproject/spiders/blogitems.py new file mode 100644 index 0000000..805681b --- /dev/null +++ b/myproject/myproject/spiders/blogitems.py @@ -0,0 +1,32 @@ +# -*- coding: utf-8 -*- +import scrapy + +from ..items import BlogPostItem + + +class BlogItemsSpider(scrapy.Spider): + name = 'blogitems' + allowed_domains = ['codyhiar.com'] + start_urls = ['http://codyhiar.com/'] + + def __init__(self, tag=None, *args, **kwargs): + super().__init__(*args, **kwargs) + self.start_urls = ['https://www.codyhiar.com/tags/{}'.format(tag)] + + def parse(self, response): + # from scrapy.shell import inspect_response + # inspect_response(response, self) + year_archives = response.css('.archive') + for year_archive in year_archives: + year = year_archive.css('h3::text').extract_first() + posts = year_archive.css('.post-item') + for post in posts: + title = post.css('a::text').extract_first().strip() + date = post.css('.post-time::text').extract_first() + blog_post = BlogPostItem( + title=title, + date=date, + year=year + ) + print(blog_post) + diff --git a/myproject/myproject/spiders/linkfinder.py b/myproject/myproject/spiders/linkfinder.py new file mode 100644 index 0000000..04c057b --- /dev/null +++ b/myproject/myproject/spiders/linkfinder.py @@ -0,0 +1,18 @@ +# -*- coding: utf-8 -*- +import scrapy +from scrapy.spiders import CrawlSpider, Rule +from scrapy.linkextractors import LinkExtractor + + +class LinkFinderSpider(scrapy.spiders.CrawlSpider): + name = 'linkfinder' + allowed_domains = ['www.codyhiar.com'] + start_urls = ['https://codyhiar.com/'] + + rules = (Rule(LinkExtractor(allow=()), process_links='print_internal_links'),) + + def print_internal_links(self, links): + for link in links: + if 'codyhiar.com' in link.url: + print(link.url) + return links diff --git a/myproject/myproject/spiders/shell.py b/myproject/myproject/spiders/shell.py new file mode 100644 index 0000000..a342921 --- /dev/null +++ b/myproject/myproject/spiders/shell.py @@ -0,0 +1,13 @@ +# -*- coding: utf-8 -*- +"""Invoke the scrapy shell from the spider.""" +import scrapy + + +class ShellSpider(scrapy.Spider): + name = 'shell' + allowed_domains = ['codyhiar.com'] + start_urls = ['http://codyhiar.com/'] + + def parse(self, response): + from scrapy.shell import inspect_response + inspect_response(response, self) diff --git a/myproject/scrapy.cfg b/myproject/scrapy.cfg new file mode 100644 index 0000000..86af274 --- /dev/null +++ b/myproject/scrapy.cfg @@ -0,0 +1,11 @@ +# Automatically created by: scrapy startproject +# +# For more information about the [deploy] section see: +# https://scrapyd.readthedocs.io/en/latest/deploy.html + +[settings] +default = myproject.settings + +[deploy] +#url = http://localhost:6800/ +project = myproject |