Module: OmniScrape

Defined in:
lib/omni_scrape.rb,
lib/omni_scrape/version.rb

Constant Summary collapse

VERSION = 
"0.1.9.9"

Instance Method Summary collapse

Instance Method Details

#CrawlScrape(url, depth, sub_url) ⇒ Object 



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# File 'lib/omni_scrape.rb', line 6

def CrawlScrape(url, depth, sub_url)
   if (depth<0)
       depth=0
   end#if
   s_depth = depth #true
   #open the starting page
page = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))  #good
   #collect all of the links from the page
links= page.css('a') #good

   #initialize variables
refarr=[]
hrefs = []
   #add title and href to arrays for each link
links.each do |link|
    if(link['href']!=nil && link['href']!="")
    hrefs.push(link)
    end#if
   end#do

   #transfer links to other array
while(!hrefs.empty?)
  value= hrefs.pop

  refarr.push(value)
  
  
end#while
#setup for recognition of the end of the array
       refarr.push("-")
 
   #create folder for storing current set of scraped pages
   
   if (Dir.exist?('./results'+depth.to_s))
   else Dir.mkdir('./results'+depth.to_s)
end#if    
   #in each link 
check =(refarr.length-1)
for i in 0..check
   if(refarr[i]!="-")#still valid links
       #evaluate whether link is internal or external
       if(refarr[i]['href'].include?('://') && refarr[i]!=nil)
           url=refarr[i]['href']
           else
   url=sub_url+refarr[i]['href']
           end#if include?
fourofour=false
   
  begin
    if(fourofour==false)
    pagina = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
    end#if
           #test for a 404
  rescue Exception =>ex
    
    fourofour=true
    retry
  end#begin
  if (fourofour==false)
           #store html from the link with title of the link
           crfile=File.new(('./results'+depth.to_s+"/page"+i.to_s+".html").chomp,"w")
   crfile.puts pagina
   crfile.close
end#if
end#if  != "-"
       
end#end for each
   
end

#FLocalize(url, depth, sub_url, s_depth, i_page, prev_ipage, link_to_add) ⇒ Object 



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# File 'lib/omni_scrape.rb', line 267

def FLocalize(url, depth, sub_url, s_depth, i_page, prev_ipage, link_to_add)
    #open the starting page
 
    if (depth<0)
        depth=0
    end
page = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
    #collect all of the links from the page
links= page.css('a')
    title = page.css('title')
    #initialize variables
refarr=[]
hrefs = []
x=0
    
    #add href to arrays for each link
links.each do |link|
      if(link['href']!=nil && link['href']!="")
      # puts x
      # puts (link['title'].split.join)
      # x+=1
      hrefs.push(link)
        
      end
      
    end
  total=0
    #transfer links to other array
  while(!hrefs.empty?)
    value= hrefs.pop
    refarr.push(value)
    total+=1
  end


    
    #setup for recognition of the end of the array
        refarr.push("-")

if(depth>0)
    
    #create subdirectory for storing current set of scraped pages
   
if (Dir.exist?('./pages'+depth.to_s))
else Dir.mkdir('./pages'+depth.to_s)
end 
    #in each link 
    check = (refarr.length-1)
    for i in 0..check
    if(refarr[i]!="-")
        #evaluate whether link is internal or external
        if(refarr[i]['href']!=nil && refarr[i]['href']!="")
        if(refarr[i]['href'].include?('http://'))
            url=refarr[i]['href']
        else
            url=sub_url+refarr[i]['href']
            #puts "external link"
        end#refarr[i]['href'].include?
        end#refarr[i]['href']!=nil
  fourofour=false
     
    begin
      if(fourofour==false)
      pagina = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
      end
            #test for a 404
    rescue Exception =>ex
      #puts "got a 404"
            #replace href (no navigation onclick)
            refarr[i]['href'] =""
      fourofour=true
              
      retry
        end #begin
        
    if (fourofour==false)
            #make relevant links reference local files
            if(refarr[i]['href']!="" && refarr[i]['href']!=nil)
                
                
                    j_depth = s_depth - depth
                    appendval = "../"
                    clutch = 0
                    for r in 1..j_depth
                        
                        clutch +=1
                    end
                if (Dir.exist?('./pages'+depth.to_s+"/"+clutch.to_s+"set"))
                else Dir.mkdir('./pages'+depth.to_s+"/"+clutch.to_s+"set")
                end 
                    
                    linkref = ((appendval+'../pages'+depth.to_s+"/"+clutch.to_s+"set/"+i_page.to_s+"x"+i.to_s+"page.html"))
              
                pass_a_link = i_page.to_s+"x"+i.to_s+"page.html"
                if (@location.has_key?(refarr[i]['href'])) 
                    pass_a_link = "this_is_a_duplicate"
                    refarr[i]['href'] = @location[(refarr[i]['href'])]
                    
                else
                initial_link=refarr[i]['href']
                refarr[i]['href']=linkref
               
                
                
                    full_link = linkref
             
                @location[initial_link]=linkref
                #puts "working"
                end# @location.haskey
            end #refarr[i]['href']!=""
            
            
            #trim it down and remove special characters for display
            trimval=refarr[i]['href']
    finval=trimval.gsub!(/[!:\/-]/, '')
        #puts refarr[i]
        if(finval==nil && refarr[i]!=nil)
        finval=refarr[i]
    end #finval == nil
    
            n_depth = depth-1
          
    if(finval!=nil)
            self. FLocalize(url, n_depth, sub_url, s_depth, i, i_page, pass_a_link)
           
            
            
                
  end #finval!=nil
        end #fourofour==false
    end #refarr[i]!="-"
    
end#end for each


    
    
else#<< depth not > 0
    check = (refarr.length-1)
    for i in 0..check
        if (refarr[i]['href']!=nil && refarr[i]['href']!="")
        refarr[i]['href']=""
        
        end
    end
end

if (depth == s_depth)
#store newly generated html/links for current page
mainpage =File.new('./page.html',"w")    
mainpage.puts page
mainpage.close


else
#store page from the link in the subdirectory 
   
    p_depth = depth +1
     j_depth = s_depth - depth
                    appendval = ""
                    clutch = 0
                    for r in 1..j_depth
                        appendval += "../" 
                        clutch +=1
                    end
    clutch -=1
   
    if (link_to_add!="this_is_a_duplicate")

    crfile=File.new(('./pages'+p_depth.to_s+"/"+clutch.to_s+"set/"+link_to_add),"w")
            crfile.puts page
            crfile.close
    else
        
    end
    
end
end

#FLocalize_CSS(url, depth, sub_url, s_depth, i_page, prev_ipage, link_to_add, selector) ⇒ Object 



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# File 'lib/omni_scrape.rb', line 676

def FLocalize_CSS(url, depth, sub_url, s_depth, i_page, prev_ipage, link_to_add, selector)
    #open the starting page
 
    if (depth<0)
        depth=0
    end
page = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
    #collect all of the links from the page
links= page.css('a')
    title = page.css('title')
    #initialize variables
refarr=[]
hrefs = []
    linkseti= []
    linkset= []
x=0
    
linkseti = page.css(selector+' a')
    #add each link with valid href to array
links.each do |link|
      if(link['href']!=nil && link['href']!="")
      # puts x
      # puts (link['title'].split.join)
      # x+=1
      hrefs.push(link)
        
      end
      
    end
linkseti.each do |ilink|
      if(ilink['href']!=nil && ilink['href']!="")
      # puts x
      # puts (link['title'].split.join)
      # x+=1
                linkset.push(ilink)
        
      end
      
    end
hrefslength = (hrefs.length-1)
for i in 0..hrefslength
if(linkset.include?(hrefs[i]))
        else
    if(hrefs[i]['href']!=nil && hrefs[i]['href']!="")
        hrefs[i]['href']=""
        end
    
        end
end
  


    #transfer links to other array
  while(!hrefs.empty?)
    value= hrefs.pop
        if (value['href']!=nil && value['href']!="")
    refarr.push(value)
        end
    
  end
    
    #setup for recognition of the end of the array
        refarr.push("-")

if(depth>0)
    
    #create subdirectory for storing current set of scraped pages
   
if (Dir.exist?('./pages'+depth.to_s))
else Dir.mkdir('./pages'+depth.to_s)
end 
    #in each link 
    check = (refarr.length-1)
    for i in 0..check
    if(refarr[i]!="-")
        
        
        #evaluate whether link is internal or external
        if(refarr[i]['href']!=nil && refarr[i]['href']!="")
        if(refarr[i]['href'].include?('://'))
            url=refarr[i]['href']
        else
            url=sub_url+refarr[i]['href']
            #puts "external link"
        end#refarr[i]['href'].include?
        end#refarr[i]['href']!=nil
      fourofour=false
        #refarr[i]['href'] is nil :S  this a result of reference to other array? how to do a true dup without reference?
    begin
      if(fourofour==false)
      pagina = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
      end
            #test for a 404
    rescue Exception =>ex
      #puts "got a 404"
            #replace href (no navigation onclick)
            refarr[i]['href'] =""
      fourofour=true
              
      retry
        end #begin
        
    if (fourofour==false)
            #make relevant links reference local files
            if(refarr[i]['href']!="" && refarr[i]['href']!=nil)
                
                
                    j_depth = s_depth - depth
                    appendval = "../"
                    clutch = 0
                    for r in 1..j_depth
                        
                        clutch +=1
                    end
                if (Dir.exist?('./pages'+depth.to_s+"/"+clutch.to_s+"set"))
                else Dir.mkdir('./pages'+depth.to_s+"/"+clutch.to_s+"set")
                end 
                    
                    linkref = ((appendval+'../pages'+depth.to_s+"/"+clutch.to_s+"set/"+i_page.to_s+"x"+i.to_s+"page.html"))
               
                pass_a_link = i_page.to_s+"x"+i.to_s+"page.html"
                if (@location_CSS.has_key?(refarr[i]['href'])) 
                    pass_a_link = "this_is_a_duplicate"
                    refarr[i]['href'] = @location_CSS[(refarr[i]['href'])]
                    
                else
                initial_link=refarr[i]['href']
                refarr[i]['href']=linkref
               
                
                
                    full_link = linkref
             
                @location_CSS[initial_link]=linkref
                #puts "working"
                end# @location_CSS.haskey
            end #refarr[i]['href']!=""
            
            
            #trim it down and remove special characters for display
            trimval=refarr[i]['href']
    finval=trimval.gsub!(/[!:\/-]/, '')
        #puts refarr[i]
        if(finval==nil && refarr[i]!=nil)
        finval=refarr[i]
    end #finval == nil
    
            n_depth = depth-1
          
    if(finval!=nil)
            self. FLocalize_CSS(url, n_depth, sub_url, s_depth, i, i_page, pass_a_link, selector)
           
            
            
                
  end #finval!=nil
        end #fourofour==false
    end #refarr[i]!="-"
    
end#end for each


    
    
else#<< depth not > 0
    check = (refarr.length-1)
    for i in 0..check
        if (refarr[i]['href']!=nil && refarr[i]['href']!="")
        refarr[i]['href']=""
        
        end
    end
end

if (depth == s_depth)
#store newly generated html/links for current page
mainpage =File.new('./page.html',"w")    
mainpage.puts page
mainpage.close


else
#store page from the link in the subdirectory 
   
    p_depth = depth +1
     j_depth = s_depth - depth
                    appendval = ""
                    clutch = 0
                    for r in 1..j_depth
                        appendval += "../" 
                        clutch +=1
                    end
    clutch -=1
   
    if (link_to_add!="this_is_a_duplicate")
       
    crfile=File.new(('./pages'+p_depth.to_s+"/"+clutch.to_s+"set/"+link_to_add),"w")
            crfile.puts page
            crfile.close
    else
        
    end
    
end
end

#Localize(url, depth, sub_url) ⇒ Object 



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# File 'lib/omni_scrape.rb', line 78

def Localize(url, depth, sub_url)
    
 #initialize to extract from user view
    @location = Hash.new
    s_depth = depth
    i_page = 0
    prev_ipage = 0
    link_to_add =""
    if (depth<0)
        depth=0
    end
    #open the starting page
page = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
    #collect all of the links from the page
links= page.css('a')
    title = page.css('title')
    #initialize variables
refarr=[]
hrefs = []
x=0
    
    #add href to arrays for each link
links.each do |link|
      if(link['href']!=nil && link['href']!="")
      # puts x
      # puts (link['title'].split.join)
      # x+=1
      hrefs.push(link)
        
      end
      
    end
  total=0
    #transfer links to other array
  while(!hrefs.empty?)
    value= hrefs.pop
    refarr.push(value)
    total+=1
  end


    
    #setup for recognition of the end of the array
        refarr.push("-")

if(depth>0)
    
    #create subdirectory for storing current set of scraped pages
    
if (Dir.exist?('./pages'+depth.to_s))
else Dir.mkdir('./pages'+depth.to_s)
end 
    #in each link 
    check = (refarr.length-1)
    for i in 0..check
    if(refarr[i]!="-")
        #evaluate whether link is internal or external
        if(refarr[i]['href']!=nil && refarr[i]['href']!="")
        if(refarr[i]['href'].include?('http://'))
            url=refarr[i]['href']
        else
            url=sub_url+refarr[i]['href']
            #puts "external link"
        end#refarr[i]['href'].include?
        end#refarr[i]['href']!=nil
  fourofour=false
     
    begin
      if(fourofour==false)
      pagina = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
      end
            #test for a 404
    rescue Exception =>ex
      #puts "got a 404"
            #replace href (no navigation onclick)
            refarr[i]['href'] =""
      fourofour=true
              
      retry
        end #begin
        
    if (fourofour==false)
            #make relevant links reference local files
            if(refarr[i]['href']!="" && refarr[i]['href']!=nil)
               
                
                    j_depth = s_depth - depth
                    appendval = "../"
                    clutch = 0
                    for r in 1..j_depth
                        
                        clutch +=1
                    end
                if (Dir.exist?('./pages'+depth.to_s+"/"+clutch.to_s+"set"))
                else Dir.mkdir('./pages'+depth.to_s+"/"+clutch.to_s+"set")
                end 
                if (depth == s_depth)
                   
                    linkref = (('./pages'+depth.to_s+"/"+clutch.to_s+"set/"+i_page.to_s+"x"+i.to_s+"page.html").chomp)
                else
                   
                    linkref = ((appendval+'../pages'+depth.to_s+"/"+clutch.to_s+"set/"+i_page.to_s+"x"+i.to_s+"page.html").chomp)
                end
                pass_a_link = i_page.to_s+"x"+i.to_s+"page.html"
                if (@location.has_key?(refarr[i]['href'])) 
                    loc = @location[(refarr[i]['href'])]
                    sub_loc = loc.match(/(.\/[a-z]{5}\d{1,20}\/\d{1,20}[a-z]{3}\/\d{1,20}[x]\d{1,20}[a-z]{4}.[a-z]{1,20})/)
                   refarr[i]['href'] =sub_loc
                else
                initial_link=refarr[i]['href']
                refarr[i]['href']=linkref
                
                #HERE!!!!!**!*!*@*!!@@***!
                if (depth == s_depth)
                full_link = "../../"+linkref
                else
                    full_link = linkref
                end
                @location[initial_link]=full_link
                #puts "working"
                end# @location.haskey
            end #refarr[i]['href']!=""
            
            #trim it down and remove special characters for display
            trimval=refarr[i]['href']
    finval=trimval.gsub!(/[!:\/-]/, '')
        #puts refarr[i]
        if(finval==nil && refarr[i]!=nil)
        finval=refarr[i]
    end #finval == nil
    
            n_depth = depth-1
          
    if(finval!=nil)
            self. FLocalize(url, n_depth, sub_url, s_depth, i, i_page, pass_a_link)
            #create subdirectory for storing current links page
#if (Dir.exist?('./pages'+depth.to_s+'/link'+i.to_s))
#else Dir.mkdir('./pages'+depth.to_s+'/link'+i.to_s)
#end
            
       
            
                
  end #finval!=nil
        end #fourofour==false
    end #refarr[i]!="-"
    
end#end for each


   
    
else#<< depth not > 0
    check = (refarr.length-1)
    for i in 0..check
        if (refarr[i]['href']!=nil && refarr[i]['href']!="")
        refarr[i]['href']=""
        end
    end
end

if (depth == s_depth)
#store newly generated html/links for current page
mainpage =File.new('./page.html',"w")    
mainpage.puts page
mainpage.close


else
#store page from the link in the subdirectory 
    puts "page: "
    p_depth = depth +1
     j_depth = s_depth - depth
                    appendval = ""
                    clutch = 0
                    for r in 1..j_depth
                        appendval += "../" 
                        clutch +=1
                    end
    clutch -=1
   
    crfile=File.new(('./pages'+p_depth.to_s+"/"+clutch.to_s+"set/"+link_to_add),"w")
            crfile.puts page
            crfile.close
    
end
end

#Localize_CSS(url, depth, sub_url, selector) ⇒ Object 



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# File 'lib/omni_scrape.rb', line 451

def Localize_CSS(url, depth, sub_url,selector)
    
 #initialize to extract from user view
    @location_CSS = Hash.new
    s_depth = depth
    i_page = 0
    prev_ipage = 0
    link_to_add =""
    if (depth<0)
        depth=0
    end
    #open the starting page
page = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
    #collect all of the links from the page
links= page.css('a')
    title = page.css('title')
    #initialize variables
refarr=[]
hrefs = []
    linkseti= []
    linkset= []
x=0
    
linkseti = page.css(selector+' a')
    #add each link with valid href to array
links.each do |link|
      if(link['href']!=nil && link['href']!="")
      # puts x
      # puts (link['title'].split.join)
      # x+=1
      hrefs.push(link)
        
      end
      
    end
linkseti.each do |ilink|
      if(ilink['href']!=nil && ilink['href']!="")
      # puts x
      # puts (link['title'].split.join)
      # x+=1
                linkset.push(ilink)
        
      end
      
    end
hrefslength = (hrefs.length-1)
for i in 0..hrefslength
if(linkset.include?(hrefs[i]))
        else
    if(hrefs[i]['href']!=nil && hrefs[i]['href']!="")
        hrefs[i]['href']=""
        end
    
        end
end
  

    #transfer links to other array
  while(!hrefs.empty?)
    value= hrefs.pop
        if (value['href']!=nil && value['href']!="")
    refarr.push(value)
        end
    
  end






    
    #setup for recognition of the end of the array
        refarr.push("-")

if(depth>0)
    
    #create subdirectory for storing current set of scraped pages
    
if (Dir.exist?('./pages'+depth.to_s))
else Dir.mkdir('./pages'+depth.to_s)
end 
    #in each link 
    check = (refarr.length-1)
    for i in 0..check
    if(refarr[i]!="-")
        if(linkset.include?(refarr[i]))
        else
            if(refarr[i]['href']!=nil && refarr[i]['href']!="")
                refarr[i]['href']=""
            end
        end
        #evaluate whether link is internal or external
        if(refarr[i]['href']!=nil && refarr[i]['href']!="")
        if(refarr[i]['href'].include?('://'))
            url=refarr[i]['href']
        else
            url=sub_url+refarr[i]['href']
            #puts "external link"
        end#refarr[i]['href'].include?
        end#refarr[i]['href']!=nil
  fourofour=false
      
    begin
            if(fourofour==false && refarr[i]['href']!=nil)
      pagina = Nokogiri::HTML(open(url,{ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE}))
      end
            #test for a 404
    rescue Exception =>ex
      #puts "got a 404"
            #replace href (no navigation onclick)
            refarr[i]['href'] =""
      fourofour=true
              
      retry
        end #begin
        
        if (fourofour==false)
            #make relevant links reference local files
            if(refarr[i]['href']!="" && refarr[i]['href']!=nil)
               
                
                    j_depth = s_depth - depth
                    appendval = "../"
                    clutch = 0
                    for r in 1..j_depth
                        
                        clutch +=1
                    end
                if (Dir.exist?('./pages'+depth.to_s+"/"+clutch.to_s+"set"))
                else Dir.mkdir('./pages'+depth.to_s+"/"+clutch.to_s+"set")
                end 
                if (depth == s_depth)
                   
                    linkref = (('./pages'+depth.to_s+"/"+clutch.to_s+"set/"+i_page.to_s+"x"+i.to_s+"page.html").chomp)
                else
                   
                    linkref = ((appendval+'../pages'+depth.to_s+"/"+clutch.to_s+"set/"+i_page.to_s+"x"+i.to_s+"page.html").chomp)
                end
                pass_a_link = i_page.to_s+"x"+i.to_s+"page.html"
                if (@location_CSS.has_key?(refarr[i]['href'])) 
                    loc = @location_CSS[(refarr[i]['href'])]
                    sub_loc = loc.match(/(.\/[a-z]{5}\d{1,20}\/\d{1,20}[a-z]{3}\/\d{1,20}[x]\d{1,20}[a-z]{4}.[a-z]{1,20})/)
                   refarr[i]['href'] =sub_loc
                else
                initial_link=refarr[i]['href']
                refarr[i]['href']=linkref
                
                #HERE!!!!!**!*!*@*!!@@***!
                if (depth == s_depth)
                full_link = "../../"+linkref
                else
                    full_link = linkref
                end
                @location_CSS[initial_link]=full_link
                #puts "working"
                end# @location_CSS.haskey
            end #refarr[i]['href']!=""
            
            #trim it down and remove special characters for display
            trimval=refarr[i]['href']
    finval=trimval.gsub!(/[!:\/-]/, '')
        #puts refarr[i]
        if(finval==nil && refarr[i]!=nil)
        finval=refarr[i]
    end #finval == nil
    
            n_depth = depth-1
          
    if(finval!=nil)
            self. FLocalize_CSS(url, n_depth, sub_url, s_depth, i, i_page, pass_a_link, selector)
            #create subdirectory for storing current links page
#if (Dir.exist?('./pages'+depth.to_s+'/link'+i.to_s))
#else Dir.mkdir('./pages'+depth.to_s+'/link'+i.to_s)
#end
            
       
            
                
  end #finval!=nil
        end #fourofour==false
    end #refarr[i]!="-"
    
end#end for each


   
    
else#<< depth not > 0
    check = (refarr.length-1)
    for i in 0..check
        if (refarr[i]['href']!=nil && refarr[i]['href']!="")
        refarr[i]['href']=""
        end
    end
end

if (depth == s_depth)
#store newly generated html/links for current page
mainpage =File.new('./page.html',"w")    
mainpage.puts page
mainpage.close


else
#store page from the link in the subdirectory 
    puts "page: "
    p_depth = depth +1
     j_depth = s_depth - depth
                    appendval = ""
                    clutch = 0
                    for r in 1..j_depth
                        appendval += "../" 
                        clutch +=1
                    end
    clutch -=1
   
    crfile=File.new(('./pages'+p_depth.to_s+"/"+clutch.to_s+"set/"+link_to_add),"w")
            crfile.puts page
            crfile.close
    
end
end