Merge branch 'master' of github.com:IvanMalison/dotfiles

2018-04-18 23:13:38 -07:00
parent c8a7021f2c b44e57a9f4
commit d3c954cbc3
9 changed files with 311 additions and 227 deletions
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "dotfiles/config/taffybar/taffybar"]
 	path = dotfiles/config/taffybar/taffybar
-	url = ../taffybar.git
+	url = ../../travitch/taffybar.git
 [submodule "dotfiles/xmonad/xmonad"]
 	path = dotfiles/config/xmonad/xmonad
 	url = ../xmonad.git
--- a/dotfiles/config/taffybar/imalison-taffybar.cabal
+++ b/dotfiles/config/taffybar/imalison-taffybar.cabal
@@ -18,10 +18,12 @@ executable imalison-taffybar
                     , containers
                     , directory
                     , filepath
+                     , gtk-strut
                     , gi-gtk
                     , glib
                     , gtk3>=0.14.8
                     , gtk-sni-tray
+                     , hslogger
                     , mtl
                     , haskell-gi-base
                     , process
--- a/dotfiles/config/taffybar/stack.yaml
+++ b/dotfiles/config/taffybar/stack.yaml
@@ -8,16 +8,10 @@ packages:
    git: git@github.com:willdonnelly/dyre.git
    commit: 11412752b483135e0c151ab90be17b217f837c4b
  extra-dep: true
- location:
-    git: git@github.com:IvanMalison/gtk-traymanager.git
-    commit: 517b24722b2cdab2dadbafa882ffcb6b8a1d01ff
-  extra-dep: true
 - location: ../xmonad/xmonad-contrib
  extra-dep: true
 - location: ../../../../Projects/status-notifier-item
  extra-dep: true
- location: ../../../../Projects/haskell-dbus
-  extra-dep: true
 - location: ../../../../Projects/gtk-sni-tray
  extra-dep: true
 - location:
@@ -27,19 +21,24 @@ packages:
      - gtk
  extra-dep: true
 extra-deps:
- spool-0.1
 - X11-xft-0.3.1
- gio-0.13.4.1
- libxml-sax-0.7.5
- rate-limit-1.1.1
- time-units-1.0.0
- xml-helpers-1.0.0
- gi-dbusmenugtk3-0.4.1
+- dbus-1.0.0
 - gi-dbusmenu-0.4.1
+- gi-dbusmenugtk3-0.4.1
 - gi-gdk-3.0.15
 - gi-gdkpixbuf-2.0.15
- gi-gtk-3.0.21
+- gi-gdkx11-3.0.2
 - gi-gio-2.0.16
+- gi-gtk-3.0.21
 - gi-pango-1.0.16
-resolver: lts-10.5
+- gi-xlib-2.0.2
+- gio-0.13.4.1
+- gtk-strut-0.1.2.0
+- gtk-traymanager-1.0.1
+- libxml-sax-0.7.5
+- rate-limit-1.1.1
+- spool-0.1
+- time-units-1.0.0
+- xml-helpers-1.0.0
+resolver: lts-11.4
 allow-newer: true
--- a/dotfiles/config/taffybar/taffybar
+++ b/dotfiles/config/taffybar/taffybar
--- a/dotfiles/config/taffybar/taffybar.hs
+++ b/dotfiles/config/taffybar/taffybar.hs
@@ -11,9 +11,10 @@ import                  Data.List
 import                  Data.List.Split
 import qualified        Data.Map as M
 import                  Data.Maybe
+import                  Debug.Trace
 import                  Foreign.ForeignPtr
 import                  Foreign.Ptr
-import qualified GI.Gtk.Objects.Widget as GI
+import qualified        GI.Gtk as GI
 import qualified "gtk3" Graphics.UI.Gtk as Gtk
 import qualified "gtk3" Graphics.UI.Gtk.Abstract.Widget as W
 import qualified "gtk3" Graphics.UI.Gtk.Layout.Table as T
@@ -23,10 +24,13 @@ import                  System.Directory
 import                  System.Environment
 import                  System.FilePath.Posix
 import                  System.Glib.GObject
+import                  System.IO
 import                  System.Information.CPU
 import                  System.Information.EWMHDesktopInfo
 import                  System.Information.Memory
 import                  System.Information.X11DesktopInfo
+import                  System.Log.Handler.Simple
+import                  System.Log.Logger
 import                  System.Process
 import                  System.Taffybar
 import                  System.Taffybar.Battery
@@ -34,14 +38,13 @@ import                  System.Taffybar.IconImages
 import                  System.Taffybar.LayoutSwitcher
 import                  System.Taffybar.MPRIS2
 import                  System.Taffybar.NetMonitor
-import                  System.Taffybar.Pager
 import                  System.Taffybar.SimpleClock
+import                  System.Taffybar.SimpleConfig
 import                  System.Taffybar.Systray
 import                  System.Taffybar.ToggleMonitor
 import                  System.Taffybar.Widgets.PollingGraph
 import                  System.Taffybar.WindowSwitcher
 import                  System.Taffybar.WorkspaceHUD
-import                  System.Taffybar.WorkspaceSwitcher
 import                  Text.Printf
 import                  Text.Read hiding (lift)
 import                  Unsafe.Coerce
@@ -123,28 +126,6 @@ underlineWidget cfg buildWidget name = do

  return $ Gtk.toWidget t

-movableWidget builder =
-  do
-    -- Delay creation of the widget or else failure from trying to get screen
-    widVar <- MV.newEmptyMVar
-    let moveWidget = do
-          isEmpty <- MV.isEmptyMVar widVar
-          when isEmpty $
-               do
-                 putwid <- builder
-                 MV.putMVar widVar putwid
-          wid <- MV.readMVar widVar
-          hbox <- Gtk.hBoxNew False 0
-          parent <- Gtk.widgetGetParent wid
-          if isJust parent
-          then
-            Gtk.widgetReparent wid hbox
-          else
-            Gtk.containerAdd hbox wid
-          Gtk.widgetShowAll hbox
-          return $ Gtk.toWidget hbox
-    return moveWidget
-
 myFormatEntry wsNames ((ws, wtitle, wclass), _) =
  printf "%s: %s - %s" wsName (head $ splitOn "\NUL" wclass) wtitle
  where
@@ -157,18 +138,28 @@ getInterfaces = do

 addClass klass action = do
  widget <- action
-  widgetSetClass widget klass
+  lift $ widgetSetClass widget klass
  return widget

 (buildWidgetCons, _) = mkWidget

 buildSNITray = do
-  GI.Widget trayGIWidgetMP <- buildTrayWithHost
+  -- XXX: this won't work for multiple taffybars because it will attempt to
+  -- register a second host with a name that already exists on the dbus tray.
+  -- Need to take an approach similar to that of gtk-sni-tray to get that to
+  -- work.
+  GI.Widget trayGIWidgetMP <- buildTrayWithHost GI.OrientationHorizontal
  wrapNewGObject mkWidget (castPtr <$> disownManagedPtr trayGIWidgetMP)

+logDebug = do
+  handler <- streamHandler stdout DEBUG
+  logger <- getLogger "System.Taffybar"
+  saveGlobalLogger $ setLevel DEBUG logger
+
 main = do
  interfaceNames <- getInterfaces
  homeDirectory <- getHomeDirectory
+  logDebug
  let resourcesDirectory = homeDirectory </> ".lib" </> "resources"
      inResourcesDirectory file = resourcesDirectory </> file
      highContrastDirectory =
@@ -232,25 +223,29 @@ main = do
        --       ]
        , showWorkspaceFn = hideEmpty
        , updateRateLimitMicroseconds = 100000
-        , updateOnWMIconChange = True
        , debugMode = False
        , labelSetter = workspaceNamesLabelSetter
        }
      netMonitor = netMonitorMultiNew 1.5 interfaceNames
-      pagerConfig =
-        defaultPagerConfig
-        {useImages = True, windowSwitcherFormatter = myFormatEntry}
      -- makeUnderline = underlineWidget myHUDConfig
-  pgr <- pagerNew pagerConfig
+  -- pgr <- pagerNew pagerConfig
  -- tray2 <- movableWidget tray
-  let hud = buildWorkspaceHUD myHUDConfig pgr
-      los = layoutSwitcherNew pgr
-      wnd = windowSwitcherNew pgr
-      taffyConfig =
-        defaultTaffybarConfig
+  let hud = buildWorkspaceHUD myHUDConfig
+      los = layoutSwitcherNew defaultLayoutSwitcherConfig
+      wnd = windowSwitcherNew defaultWindowSwitcherConfig
+      simpleTaffyConfig =
+        defaultSimpleTaffyConfig
        { startWidgets = [hud, los, addClass "WindowSwitcher" wnd]
        , endWidgets =
            [ batteryBarNewWithFormat defaultBatteryConfig "$percentage$% ($time$) - $status$" 1.0
+||||||| merged common ancestors
+        , endWidgets =
+            [ batteryBarNew defaultBatteryConfig 1.0
+=======
+        , centerWidgets = []
+        , endWidgets = map lift
+            [ batteryBarNew defaultBatteryConfig 1.0
+>>>>>>> b44e57a9f4ec822e99649b1ccc5516cbcbad4fb8
            , makeContents clock "Cpu"
            -- , makeContents systrayNew "Cpu"
            , makeContents buildSNITray "Cpu"
@@ -261,10 +256,10 @@ main = do
            ]
        , barPosition = Top
        , barPadding = 5
-        , barHeight = (underlineHeight myHUDConfig + windowIconSize myHUDConfig + 10)
+        , barHeight = (underlineHeight myHUDConfig + windowIconSize myHUDConfig + 15)
        , widgetSpacing = 0
        }
-  withToggleSupport taffyConfig
+  dyreTaffybar $ handleDBusToggles $ toTaffyConfig simpleTaffyConfig

 -- Local Variables:
 -- flycheck-ghc-args: ("-Wno-missing-signatures")
--- a/dotfiles/config/taffybar/taffybar.rc
+++ b/dotfiles/config/taffybar/taffybar.rc
@@ -1,134 +0,0 @@
-style "taffybar-default" {
-  color["black"] = "#000000"
-  color["white"] = "#ffffff"
-
-  color["green"] = "#4caf50"
-  color["yellow"] = "#ffeb3b"
-  color["orange"] = "#f4511e"
-  color["blue"] = "#2196f3"
-  color["red"] = "#F44336"
-  color["dgrey"] = "#212121"
-  color["ldgrey"] = "#333333"
-  color["mgrey"] = "#808080"
-  color["lldgrey"] = "#424242"
-  color["lgrey"] = "#bdbdbd"
-  color["teal"] = "#00796b"
-  color["bgrey"] = "#37474F"
-  color["bgreyl"] = "#546E7A"
-  color["activeWS"] = @yellow
-  color["visibleWS"] = @red
-
-  color["base"] = @black
-  color["accent1"] = @dgrey
-  color["accent2"] = @ldgrey
-
-  bg[NORMAL]   = @black
-  fg[NORMAL]   = @white
-  text[NORMAL] = @black
-  fg[PRELIGHT] = @yellow
-}
-
-style "taffybar-active-window" = "taffybar-default" {
-  fg[NORMAL] = @white
-}
-
-style "taffybar-notification-button" = "taffybar-default" {
-  text[NORMAL] = @red
-  fg[NORMAL]   = @red
-}
-
-style "taffybar-workspace-border-active" = "taffybar-default" {
-  bg[NORMAL] = @yellow
-}
-style "taffybar-workspace-border-visible" = "taffybar-default" {
-  bg[NORMAL] = @orange
-}
-style "taffybar-workspace-border-empty" = "taffybar-default" {
-  bg[NORMAL] = @blue
-}
-style "taffybar-workspace-border-hidden" = "taffybar-default" {
-  bg[NORMAL] = @blue
-}
-
-style "taffybar-icon-urgent" = "taffybar-default" {
-  bg[NORMAL] = @yellow
-}
-
-style "taffybar-icon-active" = "taffybar-default" {
-  bg[NORMAL] = @teal
-}
-
-style "taffybar-icon-minimized" = "taffybar-default" {
-  bg[NORMAL] = @red
-}
-
-style "taffybar-workspace-contents-active" = "taffybar-default" {
-  bg[NORMAL] = @dgrey
-}
-
-style "taffybar-workspace-contents-visible" = "taffybar-default" {
-  bg[NORMAL] = @black
-}
-
-style "taffybar-hover-button" = "taffybar-default" {
-  bg[ACTIVE] = @yellow
-  bg[NORMAL] = @black
-  bg[PRELIGHT] = @yellow
-  text[PRELIGHT] = @yellow
-}
-
-style "blue" = "taffybar-default" {
-  bg[NORMAL]= @blue
-}
-style "orange" = "taffybar-default" {
-  bg[NORMAL]= @orange
-}
-style "red" = "taffybar-default" {
-  bg[NORMAL]= @red
-}
-style "yellow" = "taffybar-default" {
-  bg[NORMAL]= @yellow
-}
-style "green" = "taffybar-default" {
-  bg[NORMAL]= @green
-}
-style "teal" = "taffybar-default" {
-  bg[NORMAL]= @teal
-}
-style "bgrey" = "taffybar-default" {
-  bg[NORMAL]= @bgrey
-}
-
-widget "Taffybar*" style "taffybar-default"
-widget "*WindowTitle*" style "taffybar-active-window"
-widget "*NotificationCloseButton" style "taffybar-notification-button"
-
-widget "*Workspace-underline*-active*" style "taffybar-workspace-border-active"
-widget "*Workspace-contents*-active*" style "taffybar-workspace-contents-active"
-widget "*Workspace-contents*-visible*" style "taffybar-workspace-contents-visible"
-
-widget "*Workspace-underline*-visible*" style "taffybar-workspace-border-visible"
-widget "*Workspace-underline*-empty*" style "taffybar-workspace-border-empty"
-widget "*Workspace-underline*-hidden*" style "taffybar-workspace-border-hidden"
-
-widget "*Workspace-Border*-active*" style "taffybar-workspace-border-active"
-widget "*Workspace-Container-*-active*" style "taffybar-default"
-widget "*Workspace-Border*-visible*" style "taffybar-workspace-border-visible"
-widget "*Workspace-Container-*-visible*" style "taffybar-default"
-
-widget "*Workspace-icon*-urgent*" style "taffybar-icon-urgent"
-widget "*Workspace-icon*-active*" style "taffybar-icon-active"
-widget "*Workspace-icon*-minimized*" style "taffybar-icon-minimized"
-
-widget "*WorkspaceHUD-*" style "taffybar-hover-button"
-widget "*WorkspaceHUD-*" style "taffybar-hover-button"
-
-widget "*clock-underline*" style "taffybar-workspace-border-active"
-widget "*tray-underline*" style "taffybar-workspace-border-hidden"
-widget "*blue-underline*" style "blue"
-widget "*red-underline*" style "red"
-widget "*yellow-underline*" style "yellow"
-widget "*orange-underline*" style "orange"
-widget "*green-underline*" style "green"
-widget "*teal-underline*" style "teal"
-widget "*bgrey-underline*" style "bgrey"
--- a/dotfiles/emacs.d/README.org
+++ b/dotfiles/emacs.d/README.org
@@ -2134,6 +2134,12 @@ I don't use auto-complete at all, so I have set up a hook to automatically disab
    (global-flycheck-mode))
  :diminish flycheck-mode)
 #+END_SRC
+* straight
+#+BEGIN_SRC emacs-lisp
+(use-package straight
+  :config
+  (setq straight-vc-git-auto-fast-forward t))
+#+END_SRC
 * Major Modes
 ** Programming
 <<programminglanguages>>
--- a/dotfiles/lib/bin/rofi_systemd.sh
+++ b/dotfiles/lib/bin/rofi_systemd.sh
@@ -1,59 +1,107 @@
-#!/usr/bin/env zsh
+#!/usr/bin/env sh

 export SYSTEMD_COLORS=0
+term=${ROFI_SYSTEMD_TERM-termite -e}
+default_action=${ROFI_SYSTEMD_DEFAULT_ACTION-"list_actions"}

 function user_units {
-    SYSTEMD_COLORS=0 systemctl --user list-unit-files | tail -n +2 | head -n -2 |
-        awk '{print $0 "  user"}'
+	SYSTEMD_COLORS=0 systemctl --user list-unit-files | tail -n +2 | head -n -2 |
+		awk '{print $0 "  user"}'
 }

 function system_units {
-    systemctl list-unit-files | tail -n +2 | head -n -2 |
-        awk '{print $0 "  system"}'
+	systemctl list-unit-files | tail -n +2 | head -n -2 |
+		awk '{print $0 "  system"}'
 }

 enable="Alt+e"
 disable="Alt+d"
 stop="Alt+k"
 restart="Alt+r"
+tail="Alt+t"
+list_actions="Alt+l"
+
+all_actions="enable
+disable
+stop
+restart
+tail
+list_actions"

 function select_service_and_act {
-    result=$(rofi -dmenu -i -p "systemd unit: " \
-                  -kb-custom-1 "${enable}" \
-                  -kb-custom-2 "${disable}" \
-                  -kb-custom-3 "${stop}" \
-                  -kb-custom-4 "${restart}")
+	result=$(rofi -dmenu -i -p "systemd unit: " \
+	              -kb-custom-1 "${enable}" \
+	              -kb-custom-2 "${disable}" \
+	              -kb-custom-3 "${stop}" \
+	              -kb-custom-4 "${restart}" \
+	              -kb-custom-5 "${tail}" \
+	              -kb-custom-6 "${list_actions}")

-    rofi_exit="$?"
-    selection="$(echo $result | sed -n 's/ \+/ /gp')"
+	rofi_exit="$?"

-    action="restart"
-    case "$rofi_exit" in
-        1)
-            exit
-            ;;
-        10)
-            action="enable"
-            ;;
-        11)
-            action="disable"
-            ;;
-        12)
-            action="stop"
-            ;;
-    esac
+	case "$rofi_exit" in
+		1)
+			action="exit"
+			exit 1
+			;;
+		10)
+			action="enable"
+			;;
+		11)
+			action="disable"
+			;;
+		12)
+			action="stop"
+			;;
+		13)
+			action="restart"
+			;;
+		14)
+			action="tail"
+			;;
+		15)
+			action="list_actions"
+			;;
+		*)
+			action="$default_action"
+			;;
+	esac

-    service_name="$(printf $selection | awk '{ print $1 }' | tr -d ' ')"
-    is_user="$(printf $selection | awk '{ print $3 }' )"
+	selection="$(echo $result | sed -n 's/ \+/ /gp')"
+	service_name="$(echo $selection | awk '{ print $1 }' | tr -d ' ')"
+	is_user="$(echo $selection | awk '{ print $3 }' )"

-    case "$is_user" in
-        user*)
-            systemctl "$action" --user "$service_name"
-            ;;
-        system*)
-            sudo systemctl "$action" "$service_name"
-            ;;
-    esac
+	case "$is_user" in
+		user*)
+			user_arg="--user"
+			command="systemctl $user_arg"
+			;;
+		system*)
+			user_arg=""
+			command="sudo systemctl"
+			;;
+		*)
+			command="systemctl"
+	esac
+
+	to_run="$(get_command_with_args)"
+	echo "Running $to_run"
+	eval "$to_run"
+}
+
+function get_command_with_args {
+	case "$action" in
+		"tail")
+			echo "$term 'journalctl $user_arg -u $service_name -f'"
+			;;
+		"list_actions")
+			action=$(echo "$all_actions" | rofi -dmenu -i -p "Select action: ")
+			get_command_with_args
+			;;
+		*)
+			echo "$command $action $service_name"
+			;;
+	esac
 }

 { user_units; system_units; } | column -tc 1 | select_service_and_act
--- a/dotfiles/lib/python/investment_optimization.py
+++ b/dotfiles/lib/python/investment_optimization.py
@@ -0,0 +1,168 @@
+#!/usr/bin/env python
+import heapq
+from collections import namedtuple
+
+
+BuyOpportunity = namedtuple(
+    'BuyOpportunity',
+    ['trans_yield', 'start', 'end']
+)
+
+
+def maximize_profit(num_transactions, prices):
+    minima, maxima = find_extrema(prices)
+    opp_queue, reverse_opp_queue = make_opportunity_queues(
+        minima, maxima, prices,
+    )
+    if not opp_queue:
+        return []
+
+    largest_segment = opp_queue[0][1]
+    # Segments will be kept in sorted order
+    segments = [largest_segment]
+
+    # Remove any reverse yields that are greater than the largest actual yield
+    # since they can never be realized anyway.
+    while (reverse_opp_queue and reverse_opp_queue[0][1].trans_yield >=
+           largest_segment.trans_yield):
+        heapq.heappop(reverse_opp_queue)
+
+    def try_rev_opp():
+        # It is okay to definitely pop here even though we don't know that we
+        # can actually use the opp for the following reason:
+        # Since the rev opp queue was selected OVER that of the opp queue, we
+        # KNOW that the bounding segment that includes this rev opp must have
+        # already been selected if it is going to be included at all (since it
+        # must have greater yield).
+        _, rev_opp_can = heapq.heappop(reverse_opp_queue)
+        for (seg_index, split_seg) in enumerate(segments):
+            if split_seg.end >= rev_opp_can.end:
+                # Since segments is sorted, this must be the correct segment
+                break
+        else:
+            return
+        if split_seg.start <= rev_opp_can.start:
+            # We found the containing segment
+            left_yield = prices[rev_opp_can.start] - prices[split_seg.start]
+            right_yield = prices[split_seg.end] - prices[rev_opp_can.end]
+            left_segment = BuyOpportunity(left_yield, split_seg.start, rev_opp_can.start)
+            right_segment = BuyOpportunity(right_yield, rev_opp_can.end, split_seg.end)
+            segments.pop(seg_index)
+            segments.insert(seg_index, left_segment)
+            segments.insert(seg_index + 1, right_segment)
+
+    def try_opp():
+        _, opp = heapq.heappop(opp_queue)
+        if not segments:
+            segments.append(opp)
+        insertion_index = 0
+        for (index, seg) in enumerate(segments):
+            if seg.start >= opp.start:
+                insertion_index = index
+                break
+        else:
+            insertion_index = len(segments)
+            seg = None
+        previous_seg = segments[insertion_index - 1] if insertion_index > 0 else None
+
+        if ((seg is None or seg.start >= opp.end) and
+            (previous_seg is None or previous_seg.end <= opp.start)):
+            # There is no overlap, so we can insert
+            segments.insert(insertion_index, opp)
+        else:
+            pass
+
+    while (opp_queue or reverse_opp_queue) and len(segments) < num_transactions:
+        if not reverse_opp_queue:
+            try_opp()
+        elif not opp_queue:
+            try_rev_opp()
+        else:
+            opp_can = opp_queue[0][1]
+            rev_opp_can = reverse_opp_queue[0][1]
+
+            if rev_opp_can.trans_yield > opp_can.trans_yield:
+                try_rev_opp()
+            else:
+                try_opp()
+
+    return segments
+
+
+def make_opportunity_queues(minima, maxima, prices):
+    opp_queue = []
+    reverse_opp_queue = []
+    for min_index, minimum in enumerate(minima):
+        for max_index, maximum in enumerate(maxima):
+            transaction_yield = prices[maximum] - prices[minimum]
+            if transaction_yield < 0:
+                # We can ignore this pair because the transaction has negative
+                # yield.
+                continue
+            # minimum comes before maximum in time
+            if minimum < maximum:
+                # Transaction yield is made negative because heapq is a min-heap
+                heapq.heappush(
+                    opp_queue, ((-transaction_yield, maximum - minimum), BuyOpportunity(
+                        transaction_yield, minimum, maximum,
+                    )),
+                )
+            else:
+                heapq.heappush(
+                    reverse_opp_queue, (-transaction_yield, BuyOpportunity(
+                        transaction_yield, maximum, minimum,
+                    ))
+                )
+    return opp_queue, reverse_opp_queue
+
+
+def find_extrema(prices):
+    maxima = []
+    minima = []
+    length_of_prices = len(prices)
+    if length_of_prices < 2:
+        return minima, maxima
+
+    upwards = None
+    last = prices[0]
+
+    for (index, price) in enumerate(prices):
+        if price < last:
+            if upwards is True:
+                maxima.append(index - 1)
+            elif upwards is None:
+                # We set the starting price as a maximum, but theres no point
+                # since we would really never buy.
+                maxima.append(0)
+                pass
+            upwards = False
+        elif price > last:
+            if upwards is False:
+                minima.append(index - 1)
+            elif upwards is None:
+                # The starting value is a minimum
+                minima.append(0)
+            upwards = True
+        last = price
+
+    if upwards is True:
+        maxima.append(length_of_prices - 1)
+    elif upwards is False:
+        minima.append(length_of_prices - 1)
+
+    return minima, maxima
+
+
+if __name__ == '__main__':
+    print (maximize_profit(10, [0, 1, 3, 2, 3, 0, 10, 12, 1, 2, 3, 2, 0, 2, 4, 3, 6, 4, 14, 1, 0, 2, 4, 5, 4, 5, 6]))
+
+    print [
+        BuyOpportunity(trans_yield=1, start=0, end=1),
+        BuyOpportunity(trans_yield=12, start=2, end=4),
+        BuyOpportunity(trans_yield=2, start=5, end=7),
+        BuyOpportunity(trans_yield=6, start=9, end=11),
+        BuyOpportunity(trans_yield=6, start=12, end=13),
+        BuyOpportunity(trans_yield=10, start=14, end=15),
+        BuyOpportunity(trans_yield=5, start=17, end=20),
+        BuyOpportunity(trans_yield=2, start=21, end=23),
+    ]