add Rakefile to generate output files
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# encoding: utf-8
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# ruby: 2.1.0
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=begin
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Rakefile to manage gEDA hardware projects
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=end
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require 'rake/clean'
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require 'csv' # to export BOM and costs
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require 'open-uri' # to parse URLs
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require 'open_uri_redirections' # allow redirections
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require 'net/http' # to get sites
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require 'nokogiri' # to parse sites
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require 'json' # to parse get site responses
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# =================
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# project variables
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# =================
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# main names used for filenames
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raise "define project name(s) in 'name' file" unless File.exist? "name"
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names = IO.read("name").split("\n").select {|target| !target.empty?}
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raise "define project name(s) in 'name' file" if names.empty?
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# project version, read from "version" file
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raise "define project version in 'version' file" unless File.exist? "version"
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version = IO.read("version").split("\n")[0]
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raise "define project version in 'version' file" unless version
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# current date for stamping output
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date = Time.now.strftime("%Y-%m-%d")
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# create targets for each name
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targets = []
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names.each do |name|
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# schema
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sch = "#{name}.sch"
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# pcb layout
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pcb = "#{name}.pcb"
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# schematic revision, based on the number of schematic commits
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sch_rev = `git log --pretty=oneline "#{sch}" | wc -l`.chomp.to_i
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# pcb layout revision, based on the number of pcb commits
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pcb_rev = `git log --pretty=oneline "#{pcb}" | wc -l`.chomp.to_i
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# schema name with version and revision
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vsch = "#{name}_v#{version}.#{sch_rev.to_s.rjust(3,'0')}.sch"
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# pcb layout name with version and revision
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vpcb = "#{name}_v#{version}.#{pcb_rev.to_s.rjust(3,'0')}.pcb"
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# add to targets
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targets << { name: name, sch: sch, pcb: pcb, sch_rev: sch_rev, pcb_rev: pcb_rev, vsch: vsch, vpcb: vpcb }
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end
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# ==========
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# main tasks
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# ==========
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desc "main building task"
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task :default => [:version,:print,:notes,:bom,:gerber]
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desc "create release file"
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release = "hardware-release_v#{version}.tar.gz"
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task :release => [:default,:photo,:cost,release]
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CLOBBER.include(release)
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desc "set version in schematic and layout"
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versions = targets.collect{|target| [target[:vsch],target[:vpcb]]}.flatten
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task :version => versions
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CLEAN.include(versions)
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targets.each do |target|
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CLOBBER.include("#{target[:name]}_*.sch")
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CLOBBER.include("#{target[:name]}_*.pcb")
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end
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desc "print schematic and layout (as pdf)"
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prints = targets.collect{|target| ["#{target[:name]}_schematic.pdf","#{target[:name]}_layout.pdf"]}.flatten
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task :print => prints
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CLEAN.include(prints)
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desc "export notes from schematic"
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notes = targets.collect{|target| "#{target[:name]}_notes.txt"}
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task :notes => notes
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CLEAN.include(notes)
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desc "export BOMs from schematic"
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boms = targets.collect{|target| "#{target[:name]}_bom.csv"}
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task :bom => boms
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CLEAN.include(boms)
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desc "get cost estimation for BOMs"
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costs = targets.collect{|target| "#{target[:name]}_cost.csv"}
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task :cost => costs
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CLEAN.include(costs)
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desc "convert schematic to pcb layout"
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task :sch2pcb do
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targets.each do |target|
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sh "gsch2pcb #{target[:sch]} --elements-dir #{File.dirname(__FILE__)}/lib/footprints --skip-m4 --output-name #{target[:name]}"
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end
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end
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targets.each do |target|
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CLOBBER.include("#{target[:name]}.net")
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CLOBBER.include("#{target[:name]}.cmd")
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CLOBBER.include("#{target[:name]}.new.pcb")
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end
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photos = targets.collect{|target| ["#{target[:name]}_layout-top.png","#{target[:name]}_layout-bottom.png"]}.flatten
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desc "render layout"
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task :photo => photos
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CLOBBER.include(photos)
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desc "export gerber"
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task :gerber => :version do
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targets.each do |target|
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export = true # export only if the gerbers are all older than the layout
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Dir.foreach(".") do |file|
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next unless file.start_with? target[:name]
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next unless file.end_with? ".gbr" or file.end_with? ".cnc"
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export &= (File.ctime(target[:vpcb])>File.ctime(file))
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end
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sh "pcb -x gerber --gerberfile #{target[:name]} --all-layers #{target[:vpcb]}" if export
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end
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end
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CLOBBER.include("*.gbr")
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CLOBBER.include("*.cnc")
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desc "reformat gerber and drill output (some programs like LPKF CircuitPro have difficulties with gEDA pcb output)"
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task :reformat do
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Dir.foreach(".") do |file|
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next unless File.file? file
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if file.end_with? ".gbr" then
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sh "gerbv --export rs274x --output '#{file}' '#{file}'"
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elsif file.end_with? ".cnc" then
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sh "gerbv --export drill --output '#{file}' '#{file}'"
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end
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end
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end
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# ================
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# helper functions
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# ================
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# generate gnetlist bom2 and parse them
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# arguments: schematic=schematic to use, attributes=attributes to use for generating bom2
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# returns an array of hash. key is the attribute name, value is the attribute value
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def bom2(schematic, attributes)
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to_return = []
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# force attributes to be an array
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attributes = case attributes
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when String
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[attributes]
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when Array
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attributes
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else
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[attributes.to_s]
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end
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# generate bom2
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list = `gnetlist -g bom2 -Oattribs=#{attributes*','} -q -o - #{schematic}`
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list.encode!("UTF-8","ISO-8859-1")
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list.gsub!(/(\d[Mkmµ]?)\?/,'\1Ω') # UTF-8 characters like Ω are replaced with ? by gnetlist
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list.gsub!(/(https?:\/\/[^:]*):/,'"\1":') # ':' (like in links) are not protected
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# parse bom2
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csv = CSV.parse(list,{:col_sep => ":"})
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csv[1..-1].each do |row|
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line = {}
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row.each_index do |col|
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line[csv[0][col]] = row[col] unless row[col]=="unknown"
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end
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to_return << line
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end
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return to_return
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end
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# return actual USD $ to EUR € rate
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def usd2eur_rate
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unless $u2e then
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rate_http = Net::HTTP.get_response(URI.parse("https://rate-exchange.appspot.com/currency?from=USD&to=EUR"))
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rate_json = JSON.parse(rate_http.body)
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$u2e = rate_json["rate"].to_f
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end
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return $u2e
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end
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# return part price
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def octopart(seller,sku)
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seller = {'digikey-id'=>"Digi-Key", 'farnell-id'=>"Farnell", 'mouser-id'=>"Mouser"}[seller]
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return nil unless seller
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to_return = {stock: nil, currency: nil, prices: []}
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# octopart API key to get cost estimations
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unless $octopart_api_key then
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raise "provide octopart API key in 'octopart' file to get cost estimations" unless File.exist? "octopart"
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key = IO.read("octopart").lines[0]
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raise "provide octopart API key in 'octopart' file to get cost estimations" if key.empty?
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$octopart_api_key = key
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end
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# query octopart
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query = [{:seller => seller, :sku => sku}]
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url = 'http://octopart.com/api/v3/parts/match?'
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url += 'queries=' + URI.encode(JSON.generate(query))
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url += '&apikey=' + $octopart_api_key
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resp = Net::HTTP.get_response(URI.parse(url))
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octo_info = JSON.parse(resp.body)
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# get the right response
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octo_info['results'].each do |result|
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result['items'].each do |item|
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item['offers'].each do |offer|
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next unless offer['seller']['name']==seller
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next unless offer['sku']==sku
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to_return[:stock] = offer['in_stock_quantity']
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offer['prices'].each do |currency,prices|
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next unless currency=="USD" or currency=="EUR"
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next if to_return[:currency]=="EUR"
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to_return[:currency] = currency
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prices.each do |price|
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price[1] = price[1].to_f
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end
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to_return[:prices] = prices
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end
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end
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end
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end
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return to_return
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end
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DIGIKEY_URL = "http://www.digikey.de/product-detail/en/all/"
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def scrape_digikey(sku)
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to_return = {stock: nil, currency: "EUR", prices: []}
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# get page
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url = DIGIKEY_URL+sku
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doc = Nokogiri::HTML(open(URI.escape(url)))
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# get stock
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stock_doc = doc.xpath('//td[@id="quantityavailable"]')[0]
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to_return[:stock] = stock_doc.text.gsub(/[ ,]+/,"").scan(/\d+/)[0].to_i
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# get prices
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doc.xpath('//table[@id="pricing"]/tr').each do |row|
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next unless (col=row.xpath('td')).size==3
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qty = col[0].text.gsub(/[^\d]+/,"")
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qty = (qty =~ /^\d+$/ ? qty.to_i : nil)
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price = col[1].text.gsub(/[^\d\.]+/,"")
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price = (price =~ /^\d+(\.\d+)?$/ ? price.to_f : nil)
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to_return[:prices] << [qty,price] if qty and price
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end
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return to_return
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end
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FARNELL_URL = "http://de.farnell.com/"
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def scrape_farnell(sku)
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to_return = {stock: nil, currency: "EUR", prices: []}
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# get page
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url = FARNELL_URL+sku
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doc = Nokogiri::HTML(open(URI.escape(url)))
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# get stock
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stock_doc = doc.xpath('//td[@class="prodDetailAvailability"]')[0]
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if stock_doc then
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to_return[:stock] = stock_doc.text.lines.to_a[-1].to_i
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else # when several stocks are available
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stock_doc = doc.xpath('//div[@class="stockDetail"]')[0]
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to_return[:stock] = stock_doc.text.gsub(".","").scan(/\d+/)[-1].to_i # the last match should be for EU
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end
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# get prices
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doc.xpath('//div[@class="price"]/*/tr').each do |row|
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next unless row.xpath('td').size==2
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qty = row.xpath('td')[0].text.split("-")[0].gsub(/[^\d]+/,"")
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qty = (qty =~ /^\d+$/ ? qty.to_i : nil)
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price = row.xpath('td')[1].text.gsub(",",".").gsub(/[^\d\.]+/,"")
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price = (price =~ /^\d+(\.\d+)?$/ ? price.to_f : nil)
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to_return[:prices] << [qty,price] if qty and price
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end
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return to_return
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end
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MOUSER_URL = "http://www.mouser.com/Search/ProductDetail.aspx?R=0virtualkey0virtualkey"
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def scrape_mouser(sku)
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to_return = {stock: nil, currency: "EUR", prices: []}
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# get page
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url = MOUSER_URL+sku
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doc = Nokogiri::HTML(open(URI.escape(url),:allow_redirections => :all))
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# get stock
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stock_doc = doc.xpath('//table[contains(@id,"availability")]/tr/td')[0]
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to_return[:stock] = stock_doc.text.gsub(".","").to_i
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# get prices
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doc.xpath('//table[@class="PriceBreaks"]/tr').each do |row|
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qty_doc = row.xpath('td[@class="PriceBreakQuantity"]')
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qty = qty_doc[0].text.gsub(/[\s:\.]+/,"").to_i unless qty_doc.empty?
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price_doc = row.xpath('td[@class="PriceBreakPrice"]')
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price = price_doc[0].text.gsub(/\s+/,"").gsub("€","").gsub(",",".").to_f unless price_doc.empty?
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price = nil if price==0
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to_return[:prices] << [qty,price] if qty and price
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end
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return to_return
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end
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def scrape_prices(seller,sku)
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return case seller
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when 'digikey-id'
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scrape_digikey(sku)
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when 'farnell-id'
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scrape_farnell(sku)
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when 'mouser-id'
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scrape_mouser(sku)
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else
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nil
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end
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end
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# ===============
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# file generation
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# ===============
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desc "copy schematic to include complete version (version, revision, and date)"
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targets.each do |target|
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file target[:vsch] => target[:sch] do |t|
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# embed symbols
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sh "cp #{t.prerequisites.join(' ')} #{t.name}"
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sh "gschlas -e #{t.name}"
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# on \ is to prevent ruby interpreting it, th other is for sed
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# the version
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sh "sed --in-place 's/\\(version=\\)\\$Version\\$/\\1#{version}/' #{t.name}"
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# the date
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sh "sed --in-place 's/\\(date=\\)\\$Date\\$/\\1#{date}/' #{t.name}"
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# the revision
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sh "sed --in-place 's/\\(revision=\\)\\$Revision\\$/\\1#{target[:sch_rev]}/' #{t.name}"
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end
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end
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desc "copy layout to include complete version (version, date, and run teardrops when available)"
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targets.each do |target|
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file target[:vpcb] => target[:pcb] do |t|
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sh "cp #{t.prerequisites.join(' ')} #{t.name}"
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# on \ is to prevent ruby interpreting it, th other is for sed
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# the version and revision
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version_revision = "v#{version}.#{target[:pcb_rev].to_s.rjust(3,'0')}"
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sh "sed -i 's/\\$version\\$/#{version_revision}/' #{t.name}"
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# the date
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sh "sed -i 's/\\$date\\$/#{date}/' #{t.name}"
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# run teardrop for vias and pins
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if File.exist? "#{Dir.home}/.pcb/plugins/teardrops.so" then
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sh "pcb --action-string \"djopt(splitlines) Teardrops() s() q()\" #{t.name}"
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end
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end
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end
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desc "generate printable version (PDF) of schematic"
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targets.each do |target|
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file "#{target[:name]}_schematic.pdf" => target[:vsch] do |t|
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sh "gaf export --format pdf --color --output '#{t.name}' #{t.prerequisites.join(' ')} 2> /dev/null"
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end
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end
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desc "generate printable documentation (PDF) from layout"
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targets.each do |target|
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file "#{target[:name]}_layout.pdf" => target[:vpcb] do |t|
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sh "pcb -x ps --psfile #{t.name}.ps #{t.prerequisites.join(' ')} 2> /dev/null"
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sh "ps2pdf #{t.name}.ps #{t.name} 2> /dev/null"
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sh "rm #{t.name}.ps 2> /dev/null"
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end
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end
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desc "generate note file from schematic, listing the 'note' attributes from elements"
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targets.each do |target|
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file "#{target[:name]}_notes.txt" => target[:vsch] do |t|
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notes_data = bom2(t.prerequisites[0],"note")
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File.open(t.name,"w") do |notes_file|
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notes_data.each do |note|
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next unless note['note']
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note['note'] = note['note'].gsub('. ',".\n").gsub(/\n+$/,'')
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notes_file.puts "#{note['refdes']}:\n#{note['note']}\n\n"
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end
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end
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end
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end
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desc "generate BOM file from schematic"
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targets.each do |target|
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file "#{target[:name]}_bom.csv" => target[:sch] do |t|
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attributes = ["category","device","value","description","manufacturer","manufacturer-id","datasheet","digikey-id","farnell-id","mouser-id"]
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bom_data = bom2(t.prerequisites[0],attributes)
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CSV.open(t.name, "wb") do |csv|
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all_attributes = ["refdes","qty"]+attributes
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csv << all_attributes
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bom_data.each do |line|
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csv << all_attributes.collect{|attribute| line[attribute]}
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end
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end
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end
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end
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desc "generate cost estimation from schematic"
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targets.each do |target|
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file "#{target[:name]}_cost.csv" => target[:sch] do |t|
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sellers = ['digikey-id','farnell-id','mouser-id'] # provide the (supported) seller SKU as value to this attribute name in the symbols/schematic
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boards = [1,10] # calculate the price for as many boards
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sum = Array.new(sellers.size){Array.new(boards.size,0.0)} # total cost
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stocks = Array.new(sellers.size){Array.new(boards.size){[]}} # is there enough stock
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# get component information
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attributes = ["manufacturer","manufacturer-id"]+sellers
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parts = bom2(t.prerequisites[0],attributes)
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parts.collect!{|part| part['manufacturer'] and part['manufacturer-id'] ? part : nil}
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parts.compact!
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# put result in CVS
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CSV.open(t.name, "wb") do |csv|
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csv << ["refdes","quantity","manufacturer","part number"]+(sellers.collect{|seller| [seller,"stock","currency"]+boards.collect{|qty| ["unit price for #{qty} board(s)","total price for #{qty} board(s)"]}}).flatten
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parts.each do |part|
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part['qty'] = part['qty'].to_i
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line = [part['refdes'],part['qty'],part['manufacturer'],part['manufacturer-id']]
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sellers.each_index do |i|
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seller = sellers[i]
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if part[seller] then
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begin
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prices = scrape_prices(seller,part[seller])
|
||||
rescue
|
||||
$stderr.puts "#{part['manufacturer']} #{part['manufacturer-id']} not available using #{seller} #{part[seller]}"
|
||||
line += [part[seller]]+[nil]*(2+boards.size*2)
|
||||
next
|
||||
end
|
||||
line << part[seller]
|
||||
line << prices[:stock]
|
||||
line << prices[:currency]
|
||||
unit = [] # the unit price
|
||||
boards.each_index do |j|
|
||||
if prices[:prices].empty? then
|
||||
line += [nil]*2
|
||||
else
|
||||
prices[:prices].each do |price|
|
||||
unit[j] = price[1] if (!unit[j] or price[1]<unit[j]) and price[0]<=part['qty']*boards[j]
|
||||
end
|
||||
if unit[j] then
|
||||
line << unit[j]
|
||||
line << unit[j]*part['qty']*boards[j]
|
||||
stocks[i][j] << true if part['qty']*boards[j]<=prices[:stock]
|
||||
sum[i][j] += unit[j]*part['qty']*boards[j]
|
||||
|
||||
else # use the minimum quantity
|
||||
line << prices[:prices][0][1]
|
||||
line << prices[:prices][0][1]*prices[:prices][0][0]
|
||||
stocks[i][j] << true
|
||||
sum[i][j] += prices[:prices][0][1]*prices[:prices][0][0]
|
||||
end
|
||||
end
|
||||
end
|
||||
else
|
||||
line += [nil]*(3+boards.size*2)
|
||||
end
|
||||
end
|
||||
csv << line
|
||||
end
|
||||
# summary
|
||||
line = [nil]*4
|
||||
sellers.each_index do |i|
|
||||
line += [nil,nil,nil]
|
||||
boards.each_index do |j|
|
||||
line << (stocks[i][j].size==parts.size ? "" : "not ")+"enough stock"
|
||||
line << sum[i][j]
|
||||
end
|
||||
end
|
||||
csv << line
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
desc "generate photo realistic picture from layout (front side)"
|
||||
targets.each do |target|
|
||||
file "#{target[:name]}_layout-top.png" => target[:vpcb] do |t|
|
||||
sh "pcb -x png --dpi 600 --format PNG --photo-mode --outfile #{t.name} #{t.prerequisites.join(' ')}"
|
||||
end
|
||||
end
|
||||
|
||||
desc "generate photo realistic picture from layout (bottom side)"
|
||||
targets.each do |target|
|
||||
file "#{target[:name]}_layout-bottom.png" => target[:vpcb] do |t|
|
||||
sh "pcb -x png --dpi 600 --format PNG --photo-mode --photo-flip-x --outfile #{t.name} #{t.prerequisites.join(' ')}"
|
||||
end
|
||||
end
|
||||
|
||||
desc "create archive with release files"
|
||||
SOURCES = targets.collect{|target| [target[:sch],target[:pcb]]}.flatten
|
||||
ATTACHMENTS = ["cern_ohl_v_1_2_howto.pdf","CHANGES.txt","LICENSE.txt","PRODUCT.txt"]
|
||||
file release => SOURCES+prints+notes+boms+costs+photos+ATTACHMENTS do |t|
|
||||
gerbers = Dir.entries(".").select{|file| file.end_with? ".gbr" or file.end_with? ".cnc"}
|
||||
sh "tar --create --auto-compress --file '#{t.name}' #{(t.prerequisites+gerbers).join(' ')}"
|
||||
end
|
||||
Loading…
Reference in New Issue