run in- items go through pipelines from order number low to high. It’s customary to define these numbers in the 0-1000 range. 3.8 Feed exports New in version 0.10. One of the most frequently required website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay 154 Chapter 7. Reference Scrapy CLOSESPIDER_ITEMPASSED to CLOSESPIDER_ITEMCOUNT (r2655). Backwards com- patibility kept. 8.1.21 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features

run: items go through from lower valued to higher valued classes. It’s customary to define these numbers in the 0-1000 range. 74 Chapter 3. Basic concepts Scrapy Documentation, Release 1.2.3 Feed exports website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected by CLOSESPIDER_ITEMPASSED to CLOSESPIDER_ITEMCOUNT (r2655). Backwards com- patibility kept. Scrapy 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features

run: items go through from lower valued to higher valued classes. It’s customary to define these numbers in the 0-1000 range. Feed exports New in version 0.10. One of the most frequently required features website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected by CLOSESPIDER_ITEMPASSED to CLOSESPIDER_ITEMCOUNT (r2655). Backwards com- patibility kept. Scrapy 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features

run in- items go through pipelines from order number low to high. It’s customary to define these numbers in the 0-1000 range. 3.8 Feed exports New in version 0.10. One of the most frequently required website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected by CLOSESPIDER_ITEMPASSED to CLOSESPIDER_ITEMCOUNT (r2655). Backwards com- patibility kept. 8.1.30 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features

run in- items go through pipelines from order number low to high. It’s customary to define these numbers in the 0-1000 range. © Copyright 2008-2013, Scrapy developers. Last updated on Jan 17, 2014. Created website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected (r2655 [http://hg.scrapy.org/scrapy/changeset/2655]). Backwards compatibility kept. 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features

run: items go through from lower valued to higher valued classes. It’s customary to define these numbers in the 0-1000 range. Feed exports New in version 0.10. One of the most frequently required features website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected string(string(//body)) Result Counting elements We said earlier that XPath expressions could also return numbers. One example of this is counting the number of paragraphs in the document: HTML Input

run: items go through from lower valued to higher valued classes. It’s customary to define these numbers in the 0-1000 range. 3.8 Feed exports New in version 0.10. 76 Chapter 3. Basic concepts Scrapy website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected by CLOSESPIDER_ITEMPASSED to CLOSESPIDER_ITEMCOUNT (r2655). Backwards com- patibility kept. 7.1.55 Scrapy 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features

run: items go through from lower valued to higher valued classes. It’s customary to define these numbers in the 0-1000 range. 3.8 Feed exports New in version 0.10. 82 Chapter 3. Basic concepts Scrapy website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected by CLOSESPIDER_ITEMPASSED to CLOSESPIDER_ITEMCOUNT (r2655). Backwards com- patibility kept. 7.1.56 Scrapy 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. 268 Chapter

run: items go through from lower valued to higher valued classes. It’s customary to define these numbers in the 0-1000 range. Feed exports New in version 0.10. One of the most frequently required features website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected [http://hg.scrapy.org/scrapy/changeset/2655]). Backwards compatibility kept. Scrapy 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features

run: items go through from lower valued to higher valued classes. It’s customary to define these numbers in the 0-1000 range. Feed exports New in version 0.10. One of the most frequently required features website. This can be used to throttle the crawling speed to avoid hitting servers too hard. Decimal numbers are supported. Example: DOWNLOAD_DELAY = 0.25 # 250 ms of delay This setting is also affected [http://hg.scrapy.org/scrapy/changeset/2655]). Backwards compatibility kept. Scrapy 0.12 The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available. New features