by Scrapy, so it must be unique. However, nothing prevents you from instantiating more than one instance of the same spider. This is the most important spider attribute and it’s required. Is recommended __init__(self): self.duplicates = {} dispatcher.connect(self.spider_opened, signals.spider_opened) dispatcher.connect(self.spider_closed, signals.spider_closed) def spider_opened(self performed. smtppass (str) – the SMTP pass for authetnication. smtpport (int) – the SMTP port to connect to scrapy.mail.send(to, subject, body, cc=None, attachs=()) Send email to the given recipients

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. 12 Chapter The other thing is that the result of calling .extract() is a list, because we’re dealing with an instance of SelectorList. When you know you just want the first result, as in this case, you can do: >>> by Scrapy, so it must be unique. However, nothing prevents you from instantiating more than one instance of the same spider. This is the most important spider attribute and it’s required. If the spider

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. The parse() The other thing is that the result of calling .extract() is a list, because we’re dealing with an instance of SelectorList. When you know you just want the first result, as in this case, you can do: >>> by Scrapy, so it must be unique. However, nothing prevents you from instantiating more than one instance of the same spider. This is the most important spider attribute and it’s required. If the spider

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. The parse() The other thing is that the result of calling .extract() is a list, because we’re dealing with an instance of SelectorList. When you know you just want the first result, as in this case, you can do: >>> relative URLs directly - no need to call urljoin. Note that response.follow just returns a Request instance; you still have to yield this Request. You can also pass a selector to response.follow instead

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful 2.3. Scrapy Tutorial 11 Scrapy The other thing is that the result of calling .extract() is a list, because we’re dealing with an instance of SelectorList. When you know you just want the first result, as in this case, you can do: >>> by Scrapy, so it must be unique. However, nothing prevents you from instantiating more than one instance of the same spider. This is the most important spider attribute and it’s required. If the spider

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. The parse() css('title::text')[0].get() 'Quotes to Scrape' However, using .get() directly on a SelectorList instance avoids an IndexError and returns None when it doesn’t find any element matching the selection. relative URLs directly - no need to call urljoin. Note that response.follow just returns a Request instance; you still have to yield this Request. You can also pass a selector to response.follow instead

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. The parse() The other thing is that the result of calling .extract() is a list, because we’re dealing with an instance of SelectorList. When you know you just want the first result, as in this case, you can do: 14 relative URLs directly - no need to call urljoin. Note that response.follow just returns a Request instance; you still have to yield this Request. You can also pass a selector to response.follow instead

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. The parse() css('title::text')[0].get() 'Quotes to Scrape' However, using .get() directly on a SelectorList instance avoids an IndexError and returns None when it doesn’t find any element matching the selection. relative URLs directly - no need to call urljoin. Note that response.follow just returns a Request instance; you still have to yield this Request. You can also pass a selector to response.follow instead

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. The parse() css('title::text')[0].get() 'Quotes to Scrape' However, using .get() directly on a SelectorList instance avoids an IndexError and returns None when it doesn’t find any element matching the selection. relative URLs directly - no need to call urljoin. Note that response.follow just returns a Request instance; you still have to yield this Request. You can also pass a selector to response.follow instead

called to handle the response downloaded for each of the requests made. The response parameter is an instance of TextResponse that holds the page content and has further helpful methods to handle it. The parse() css('title::text')[0].get() 'Quotes to Scrape' However, using .get() directly on a SelectorList instance avoids an IndexError and returns None when it doesn’t find any element matching the selection. relative URLs directly - no need to call urljoin. Note that response.follow just returns a Request instance; you still have to yield this Request. You can also pass a selector to response.follow instead