Module: BlackStack::OpenAIScraper

Defined in:
lib/openai-scraper.rb

Constant Summary collapse

HINT1 =

hints to show in the terminal

"HINT: The text below is a macr-generated prompt.".yellow
NAME =

name of the module

'OpenAI Scraper'
PROMPT =

pronto shown in the console

'openai-scraper'
@@openai_apikey = 
nil
@@model = 
nil
@@client = 
nil
@@browser = 
nil
@@history = 
[]

Class Method Summary collapse

Class Method Details

.console(l) ⇒ Object

show the promt and wait for the user input



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# File 'lib/openai-scraper.rb', line 230

def self.console(l)
    l = BlackStack::DummyLogger.new(nil) if l.nil?
    begin
        while true
            prompt = nil
            print "#{BlackStack::OpenAIScraper::PROMPT}> ".blue
            
            # get the user input, char by char
            s = ''
            i = 0 
            while true
                c = $stdin.getch
                # if the user press enter, then break the loop
                if c == "\n" || c == "\r"
                    puts
                    @@history << s
                    i = 0
                    break
                # if the user press backspace, then remove the last char from the string
                elsif c == "\u007F"
                    if i >= 1
                        i -= 1
                        s = s[0..-2]
                        print "\b \b"
                    end
                # if the user press ctrl+c, then reset the prompt
                elsif c == "\u0003"
                    puts
                    break
                # if the user press arrow-up
                elsif c == "\e"
                    d = [$stdin.getch, $stdin.getch].join
                    if d == "[A" && @@history.size > 0
                        # remove the current prompt
                        print "\b \b" * s.size
                        # take the last prompt from the history
                        s = @@history[-1]
                        # remove the last promt from the history
                        @@history = @@history[0..-2]
                        # insert the prompt as the first in the history
                        @@history.insert(0, s)
                        # print the prompt
                        i = s.size
                        print s.strip
                    elsif d == "[B" && @@history.size > 0
                        # remove the current prompt
                        print "\b \b" * s.size
                        # take the first prompt from the history
                        s = @@history[0]
                        # remove the first promt from the history
                        @@history = @@history[1..-1]
                        # insert the prompt as the last in the history
                        @@history.insert(-1, s)
                        # print the prompt
                        i = s.size
                        print s.strip
                    end
                else
                    s += c
                    i += 1
                    print c
                end                        
            end # while true
        
            # `\q` to quit
            if s == '\q'
                exit(0)
            # `\h` for help
            elsif s == '\h'
                puts BlackStack::OpenAIScraper.help 
                next
            else 
                prompt = s
            end
            # standard openai prompt
            puts BlackStack::OpenAIScraper.response(prompt).to_s.green
        end # while true
    
    rescue SignalException, SystemExit, Interrupt => e
        l.logs "Finalizing... "
        BlackStack::OpenAIScraper.finalize
        l.logf "done".green
    
        l.log 'Bye!'
        exit(0)
    rescue => e
        puts "Error: #{e.to_console.red}".red
    end # begin
end

.finalize ⇒ Object 



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# File 'lib/openai-scraper.rb', line 52

def self.finalize
    #@@browser.quit
    # overrite the file ./history.json with the current history array
    File.write('./history.json', @@history.to_json)
end

.get_links(url, deep = 1, l = nil) ⇒ Object

get all links of the webiste, at a certainly deep level



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# File 'lib/openai-scraper.rb', line 150

def self.get_links(url, deep = 1, l=nil)
    l = BlackStack::DummyLogger.new(nil) if l.nil?
    ret = []
    return ret if deep<=0
    # go to the URL
    l.logs "level #{deep} - get_links: #{url}... "
        page = @@browser.get(url)
        # get all links
        links = page.search('a')
        # add each link to the array
        links.each do |link|
            txt = link.text.to_s.strip
            ret << { 'href' => link['href'], 'text' => txt }
        end
        # make ret an array of unique hashes
        ret.uniq!
        # remove links that are not belonging the same domain
        ret.reject! { |h| h['href'] !~ /#{URI.parse(url).host}/ }
        # remove links that are not belonging the protocols http or https
        ret.reject! { |h| h['href'] !~ /^https?:\/\// }
    l.logf 'done'.green

    # get the links inside each link
    ret.each do |link|
        ret += get_links(link['href'], deep-1, l)
    end

    # return
    ret
end

.help ⇒ Object

help shown in the console



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# File 'lib/openai-scraper.rb', line 59

def self.help
    "OpenAI Chatbot, With the Ability to Take Information from the Web.\n
List of Commands:\n
- \\q: quit\n
- \\wt <url>: download the web-page and pass the text content to the model for further reference.\n 
- \\wl <url>: download the web-page and pass the list of links to the model for further reference.\n
    "
end

.init ⇒ Object 



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# File 'lib/openai-scraper.rb', line 44

def self.init
    @@client = OpenAI::Client.new(access_token: @@openai_apikey)
    ## setup a mechanize client
    @@browser = Mechanize.new
    # load history array from the file ./history.json, only if the file exists
    @@history = JSON.parse(File.read('./history.json')) if File.exist?('./history.json')
end

.response(s) ⇒ Object 



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# File 'lib/openai-scraper.rb', line 68

def self.response(s)
    prompt = s
    # \wl <url>: download the web-page and pass the list of links to the model for further reference.\n
    # find the url after the `\wl`, when \wl may be at any position into the string
    i = 0
    s.split(' ').each { |x|
        if x == '\wl'
            url = s.split(' ')[i+1]
            prompt.gsub!(/\\wl #{url}/, BlackStack::OpenAIScraper.wl(url).to_s)
        end
        i += 1
    }
    #puts BlackStack::OpenAIScraper::HINT1
    #puts prompt.blue
        
    # \wt <url>: download the web-page and pass the text content to the model for further reference.\n 
    # find the url after the `\wl`, when \wl may be at any position into the string
    i = 0
    s.split(' ').each { |x|
        if x == '\wt'
            url = s.split(' ')[i+1]
            prompt.gsub!(/\\wt #{url}/, BlackStack::OpenAIScraper.wt(url).to_s)
        end
        i += 1
    }
    #puts BlackStack::OpenAIScraper::HINT1
    #puts prompt.blue

    response = @@client.chat(
        parameters: {
            model: @@model, # Required.
            #max_tokens: 6000,
            temperature: 0.5,
            messages: [
                { role: "user", content: prompt},
                #{ role: "assistant", content: nil, function_call: {name: "get_current_weather", arguments: { location: "Boston, MA"}}},
                #{ role: "function", name: "get_current_weather", content: { temperature: "22", unit: "celsius", description: "Sunny"}},

            ], # Required.
=begin
            functions: [
                {
                    name: "wl",
                    description: "Extract the links from a web page",
                    parameters: {
                        type: :object,
                        properties: {
                            url: {
                                type: "string",
                                description: "The url of the web page"    
                            },
                        },
                        required: ['url'],
                    },
                },
                {
                    name: "get_current_weather",
                    description: "Get the current weather in a given location",
                    parameters: {
                        type: :object,
                        properties: {
                            location: {
                                type: :string,
                                description: "The city and state, e.g. San Francisco, CA",
                            },
                            unit: {
                                type: "string",
                                enum: %w[celsius fahrenheit],
                            },
                        },
                        required: ["location"],
                    },
                },
            ],
=end
        })
#binding.pry
    raise response.dig("error", "message") if response.dig("error", "message")
    return response.dig("choices", 0, "message", "content")         
end

.set(h) ⇒ Object 



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# File 'lib/openai-scraper.rb', line 39

def self.set(h)
    @@openai_apikey = h[:openai_apikey] if h[:openai_apikey]
    @@model = h[:model] if h[:model]
end

.wl(url) ⇒ Object

download the web page, and extract all links.



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# File 'lib/openai-scraper.rb', line 183

def self.wl(url)
    # visit the url
    page = @@browser.get(url)
    
    # wait up to 30 seconds for the page to load
    #wait = Selenium::WebDriver::Wait.new(:timeout => 30)
    #wait.until { @@browser.execute_script("return document.readyState") == "complete" }

    # wait up to 30 seconds for all ajax calls have been executed
    #wait = Selenium::WebDriver::Wait.new(:timeout => 30)
    #wait.until { @@browser.execute_script("return jQuery.active") == 0 }

    # get all the links
    links = page.search('a')

    # add the links to a json structure
    h = []
    links.each do |link|
        txt = link.text.to_s.strip
        h << { 'href' => link['href'], 'text' => txt }
    end

    # return the prompt
    #"I will share a json structure with with links. Please remember them for further reference:\n#{h.join("\n").to_json}"
    #"I have the links in a webpage. Which one of these links is the link to the \"contact us\" page of the company? \n #{h.join("\n")}"
    h
end

.wt(url) ⇒ Object

download the web page, and extract the text.



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# File 'lib/openai-scraper.rb', line 213

def self.wt(url)
    # visit the url
    page = @@browser.get(url)
    
    # wait up to 30 seconds for the page to load
    #wait = Selenium::WebDriver::Wait.new(:timeout => 30)
    #wait.until { @@browser.execute_script("return document.readyState") == "complete" }

    # wait up to 30 seconds for all ajax calls have been executed
    #wait = Selenium::WebDriver::Wait.new(:timeout => 30)
    #wait.until { @@browser.execute_script("return jQuery.active") == 0 }

    # return the text of the body
    page.search('body').text
end