SPIDR adalah perpustakaan spidering web ruby serbaguna yang dapat meningkatkan situs, beberapa domain, tautan tertentu atau tanpa batas. Spidr dirancang untuk menjadi cepat dan mudah digunakan.
a .iframe .frame ./robots.txt .Mulai Spidering dari URL:
Spidr . start_at ( 'http://tenderlovemaking.com/' ) do | agent |
# ...
endLaba -laba tuan rumah:
Spidr . host ( 'solnic.eu' ) do | agent |
# ...
endLaba-laba domain (dan sub-domain apa pun):
Spidr . domain ( 'ruby-lang.org' ) do | agent |
# ...
endLaba -laba situs:
Spidr . site ( 'http://www.rubyflow.com/' ) do | agent |
# ...
endLaba -laba beberapa host:
Spidr . start_at ( 'http://company.com/' , hosts : [ 'company.com' , /host[ d ]+ . company . com/ ] ) do | agent |
# ...
endJangan laba -laba tautan tertentu:
Spidr . site ( 'http://company.com/' , ignore_links : [ %{^/blog/} ] ) do | agent |
# ...
endJangan tautan laba -laba di port tertentu:
Spidr . site ( 'http://company.com/' , ignore_ports : [ 8000 , 8010 , 8080 ] ) do | agent |
# ...
endJANGAN LAGU Tautan Blacklisted di Robots.txt:
Spidr . site ( 'http://company.com/' , robots : true ) do | agent |
# ...
endCetak URL yang dikunjungi:
Spidr . site ( 'http://www.rubyinside.com/' ) do | spider |
spider . every_url { | url | puts url }
endBangun peta URL dari suatu situs:
url_map = Hash . new { | hash , key | hash [ key ] = [ ] }
Spidr . site ( 'http://intranet.com/' ) do | spider |
spider . every_link do | origin , dest |
url_map [ dest ] << origin
end
endCetak URL yang tidak dapat diminta:
Spidr . site ( 'http://company.com/' ) do | spider |
spider . every_failed_url { | url | puts url }
endTemukan semua halaman yang memiliki tautan rusak:
url_map = Hash . new { | hash , key | hash [ key ] = [ ] }
spider = Spidr . site ( 'http://intranet.com/' ) do | spider |
spider . every_link do | origin , dest |
url_map [ dest ] << origin
end
end
spider . failures . each do | url |
puts "Broken link #{ url } found in:"
url_map [ url ] . each { | page | puts " #{ page } " }
endCari halaman HTML dan XML:
Spidr . site ( 'http://company.com/' ) do | spider |
spider . every_page do | page |
puts ">>> #{ page . url } "
page . search ( '//meta' ) . each do | meta |
name = ( meta . attributes [ 'name' ] || meta . attributes [ 'http-equiv' ] )
value = meta . attributes [ 'content' ]
puts " #{ name } = #{ value } "
end
end
endCetak judul dari setiap halaman:
Spidr . site ( 'https://www.ruby-lang.org/' ) do | spider |
spider . every_html_page do | page |
puts page . title
end
endCetak setiap pengalihan http:
Spidr . host ( 'company.com' ) do | spider |
spider . every_redirect_page do | page |
puts " #{ page . url } -> #{ page . headers [ 'Location' ] } "
end
endTemukan jenis server web apa yang digunakan host, dengan mengakses header:
servers = Set [ ]
Spidr . host ( 'company.com' ) do | spider |
spider . all_headers do | headers |
servers << headers [ 'server' ]
end
endJeda laba -laba di halaman terlarang:
Spidr . host ( 'company.com' ) do | spider |
spider . every_forbidden_page do | page |
spider . pause!
end
endLewati pemrosesan halaman:
Spidr . host ( 'company.com' ) do | spider |
spider . every_missing_page do | page |
spider . skip_page!
end
endLewati pemrosesan tautan:
Spidr . host ( 'company.com' ) do | spider |
spider . every_url do | url |
if url . path . split ( '/' ) . find { | dir | dir . to_i > 1000 }
spider . skip_link!
end
end
end $ gem install spidrLihat {file: lisensi.txt} untuk informasi lisensi.