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Jspidy

Small script to process data from gw2spidy for trading post flipping in the MMO Guild Wars 2.

How to

Getting Julia from Julialang.org or github . Further you need wget ( binaries and dependencies for Windows) or sudo apt-get install wget for a lot of Linux distributions. I try a Julia-only solution with HTTPClient but it was terrible slow.

First time running Julia

Pkg.init()
Pkg.add("DataFrames")
Pkg.checkout("DataFrames") (only neccessary for 32bit machines)

Using Jspidy

  • Load module: using Jspidy
  • Get data: x = Jspidy.get()
  • Process data: y = Jspidy.process(x)
  • Write data as csv with timestamp: Jspidy.write(y)

Jspidy.get() creates a raw_data.csv and update it, if the modification hour of the file is at last more than an hour ago. Jspidy.process returns a DataFrame with a specified header and additional useful columns like the netprice, margin and percentual margin of items. Further it accepts additional arguments for a more detailed output, see below.

Optional arguments for Jspidy.process

  • header = [:symbol1; :symbol2; :symbol3; and so on] (Default [:name]) — Columns and order of output spreadsheet. For all possible header options see possible header options.
  • sby = :symbol (Default "margin") — Sort spreadsheet respective to this column. For all possible options see possible sby options.
  • minsale = int (Default 10000) — Minimum volume of sale offers.
  • minoffer = int (Default 10000) — Minimum volume of buy offers.
  • minmargin = int (Default 10) — Minimum margin.
  • rev_opt = bool (Default true) — Reverse ordering of column specified by sby.

Example

julia> Jspidy.process(Jspidy.get(), header=[:data_id; :name], sby=:name, rev_opt=false, minmargin=30)
|-------|---------|-------------------------------------|----------|--------|----------------|
| Row # | data_id | name                                | netprice | margin | margin_percent |
| 1     | 42006   | "Azurite Crystal"                   | 210.8    | 37.8   | 17.93          |
| 2     | 43357   | "Dragon Coffer"                     | 629.85   | 40.85  | 6.49           |
| 3     | 43360   | "Dragon's Breath Bun"               | 214.2    | 44.2   | 20.63          |
| 4     | 38302   | "Drop of Magic Glue"                | 143.65   | 42.65  | 29.69          |
| 5     | 38291   | "Giant Wintersday Gift"             | 351.05   | 34.05  | 9.7            |
| 6     | 12387   | "Ginger Pear Tart"                  | 64.6     | 30.6   | 47.37          |
| 7     | 38290   | "Large Wintersday Gift"             | 334.9    | 46.9   | 14.0           |
⋮
| 10    | 38461   | "Pop Gun Skin"                      | 103.7    | 52.7   | 50.82          |
| 11    | 8893    | "Powerful Potion of Undead Slaying" | 173.4    | 33.4   | 19.26          |
| 12    | 38469   | "Princess Wand Skin"                | 608.6    | 56.6   | 9.3            |
| 13    | 38136   | "Small Wintersday Gift"             | 334.9    | 44.9   | 13.41          |
| 14    | 19761   | "Soft Wood Dowel"                   | 140.25   | 37.25  | 26.56          |
| 15    | 24757   | "Superior Rune of the Undead"       | 153.85   | 58.85  | 38.25          |
| 16    | 38130   | "Tiny Snowflake"                    | 454.75   | 52.75  | 11.6           |
| 17    | 38463   | "Wooden Dagger Skin"                | 79.05    | 42.05  | 53.19          |

Possible header / sby options

  • data_id
  • name
  • rarity
  • restriction_level
  • img
  • type_id
  • sub_type_id
  • price_last_changed
  • max_offer_unit_price
  • min_sale_unit_price
  • offer_availability
  • sale_availability
  • sale_price_change_last_hour
  • offer_price_change_last_hour