1. Frequently Asked Questions 81 Scrapy Documentation, Release 0.12.0 5.1.20 Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. 5.1.21 Simplest way to extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps the stack trace of a runnning Scrapy process when a SIGUSR2 signal is received. After the stack trace is dumped, the

setting a global download delay in your project with the DOWNLOAD_DELAY setting. Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. Simplest way to dump the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps the stack trace of a runnning Scrapy process when a SIGUSR2 [http://en.wikipedia

component=BOT_NAME, spider=None) Log an exception. Similar to msg() but it also appends a stack trace report using traceback.format_exc. It accepts the same parameters as the msg() function. scrapy extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps the stack trace of a runnning Scrapy process when a SIGUSR2 signal is received. After the stack trace is dumped, the the Scrapy process continues running normally. The stack trace is sent to standard output. This extension only works on POSIX-compliant platforms (ie. not Windows). Debugger extension class scrapy.contrib

component=BOT_NAME, spider=None) Log an exception. Similar to msg() but it also appends a stack trace report using traceback.format_exc. It accepts the same parameters as the msg() function. scrapy the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps the stack trace of a runnning Scrapy process when a SIGUSR2 [http://en.wikipedia org/wiki/SIGUSR1_and_SIGUSR2] signal is received. After the stack trace is dumped, the Scrapy process continues running normally. The stack trace is sent to standard output. This extension only works on POSIX-compliant

setting a global download delay in your project with the DOWNLOAD_DELAY setting. Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. Simplest way to dump the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps the stack trace and Scrapy engine status of a runnning process when a SIGQUIT

1. Frequently Asked Questions 81 Scrapy Documentation, Release 0.14.4 5.1.20 Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. 5.1.21 Simplest way to the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps the stack trace and Scrapy engine status of a runnning process when a SIGQUIT

1. Frequently Asked Questions 79 Scrapy Documentation, Release 0.16.5 5.1.20 Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. 5.1.21 Simplest way to be sent to all recipients specified in the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps information about the running process

1. Frequently Asked Questions 81 Scrapy Documentation, Release 0.18.4 5.1.21 Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. 5.1.22 Simplest way to be sent to all recipients specified in the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps information about the running process

1. Frequently Asked Questions 85 Scrapy Documentation, Release 0.22.0 5.1.21 Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. 5.1.22 Simplest way to be sent to all recipients specified in the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps information about the running process

1. Frequently Asked Questions 83 Scrapy Documentation, Release 0.20.2 5.1.21 Can I call pdb.set_trace() from my spiders to debug them? Yes, but you can also use the Scrapy shell which allows you too response being processed by your spider, which is, quite often, more useful than plain old pdb.set_trace(). For more info see Invoking the shell from spiders to inspect responses. 5.1.22 Simplest way to be sent to all recipients specified in the STATSMAILER_RCPTS setting. Debugging extensions Stack trace dump extension class scrapy.contrib.debug.StackTraceDump Dumps information about the running process