chiark / gitweb /
Merge branch 'keyboard'
[ypp-sc-tools.main.git] / yoweb-scrape
index 04e392d..d42f427 100755 (executable)
@@ -14,6 +14,7 @@ import sys
 import re as regexp
 import random
 import curses
+import termios
 from optparse import OptionParser
 
 from BeautifulSoup import BeautifulSoup
@@ -27,8 +28,20 @@ puzzles = ('Swordfighting/Bilging/Sailing/Rigging/Navigating'+
        '/Drinking/Spades/Hearts/Treasure Drop/Poker/Distilling'+
        '/Alchemistry/Shipwrightery/Blacksmithing/Foraging').split('/')
 
+core_duty_puzzles = [
+               'Gunning',
+               ['Sailing','Rigging'],
+               'Bilging',
+               'Carpentry',
+               ]
+
+duty_puzzles = ([ 'Navigating', 'Battle Navigation' ] +
+               core_duty_puzzles +
+               [ 'Treasure Haul' ])
+
 standingvals = ('Able/Distinguished/Respected/Master'+
                '/Renowned/Grand-Master/Legendary/Ultimate').split('/')
+standing_limit = len(standingvals)
 
 pirate_ref_re = regexp.compile('^/yoweb/pirate\\.wm')
 
@@ -39,7 +52,15 @@ max_pirate_namelen = 12
 
 def debug(m):
        if opts.debug > 0:
-               print m
+               print >>opts.debug_file, m
+
+def debug_flush():
+       if opts.debug > 0:
+               opts.debug_file.flush() 
+
+def sleep(seconds):
+       debug_flush()
+       time.sleep(seconds)
 
 def format_time_interval(ti):
        if ti < 120: return '%d:%02d' % (ti / 60, ti % 60)
@@ -84,8 +105,9 @@ class Fetcher:
                        ages.append(age)
                return ages
 
-       def need_wait(self, now):
+       def need_wait(self, now, imaginary=[]):
                ages = self._cache_scan(now)
+               ages += imaginary
                ages.sort()
                debug('Fetcher   ages ' + `ages`)
                min_age = 1
@@ -103,7 +125,7 @@ class Fetcher:
                need_wait = self.need_wait(now)
                if need_wait > 0:
                        debug('Fetcher   wait %d' % need_wait)
-                       time.sleep(need_wait)
+                       sleep(need_wait)
 
        def fetch(self, url, max_age):
                debug('Fetcher fetch %s' % url)
@@ -242,7 +264,7 @@ u'\\s*\\S*/([-A-Za-z]+)\\s*$|\\s*\\S*/\\S*\\s*\\(ocean\\-wide(?:\\s|\\xa0)+([-A-
                                skl.msg('puzzle "%s" no standing found' % puzzle)
                                continue
                        standing = sl[0]
-                       for i in range(0, len(standingvals)-1):
+                       for i in range(0, standing_limit):
                                if standing == standingvals[i]:
                                        self.standings[puzzle] = i
                        if not puzzle in self.standings:
@@ -326,30 +348,30 @@ class CrewInfo(SomethingSoupInfo):
 #---------- pretty-printer for tables of pirate puzzle standings ----------
 
 class StandingsTable:
-       def __init__(self, use_puzzles=None, col_width=6):
+       def __init__(self, use_puzzles=None, col_width=6, gap_every=5):
                if use_puzzles is None:
                        if opts.ship_duty:
-                               use_puzzles=[
-                                       'Navigating','Battle Navigation',
-                                       'Gunning',
-                                       ['Sailing','Rigging'],
-                                       'Bilging',
-                                       'Carpentry',
-                                       'Treasure Haul'
-                               ]
+                               use_puzzles=duty_puzzles
                        else:
                                use_puzzles=puzzles
                self._puzzles = use_puzzles
                self.s = ''
                self._cw = col_width-1
+               self._gap_every = gap_every
+               self._linecount = 0
 
        def _pline(self, pirate, puzstrs, extra):
+               if (self._linecount > 0
+                   and self._gap_every is not None
+                   and not (self._linecount % self._gap_every)):
+                       self.s += '\n'
                self.s += ' %-*s' % (max(max_pirate_namelen, 14), pirate)
                for v in puzstrs:
                        self.s += ' %-*.*s' % (self._cw,self._cw, v)
                if extra:
                        self.s += ' ' + extra
                self.s += '\n'
+               self._linecount += 1
 
        def _puzstr(self, pi, puzzle):
                if not isinstance(puzzle,list): puzzle = [puzzle]
@@ -376,9 +398,12 @@ class StandingsTable:
                        spc = name.find(' ')
                        if spc < 0: return name
                        return name[0:min(4,spc)] + name[spc+1:]
+               self._linecount = -2
                self._pline('', map(puzn_redact, self._puzzles), None)
+               self._linecount = 0
        def literalline(self, line):
                self.s += line + '\n'
+               self._linecount = 0
        def pirate_dummy(self, name, standingstring, extra=None):
                self._pline(name, standingstring * len(self._puzzles), extra)
        def pirate(self, pi, extra=None):
@@ -412,8 +437,23 @@ class PirateAboard:
                pa.pi = None
 
        def pirate_info(pa):
-               if not pa.pi and not fetcher.need_wait(time.time()):
-                       pa.pi = PirateInfo(pa.name, 3600)
+               now = time.time()
+               if pa.pi:
+                       age = now - pa.pi_fetched
+                       guide = random.randint(120,240)
+                       if age <= guide:
+                               return pa.pi
+                       debug('PirateAboard refresh %d > %d  %s' % (
+                               age, guide, pa.name))
+                       imaginary = [2,6]
+               else:
+                       imaginary = [1]
+               wait = fetcher.need_wait(now, imaginary)
+               if wait:
+                       debug('PirateAboard fetcher not ready %d' % wait)
+                       return pa.pi
+               pa.pi = PirateInfo(pa.name, 600)
+               pa.pi_fetched = now
                return pa.pi
 
 class ChatLogTracker:
@@ -423,57 +463,144 @@ class ChatLogTracker:
        def __init__(self, myself_pi, logfn):
                self._pl = {}   # self._pl['Pirate'] =
                self._vl = {}   #   self._vl['Vessel']['Pirate'] = PirateAboard
-                               # self._vl['Vessel']['#lastaboard']
-               self._v = None          # self._v =
-               self._vessel = None     #       self._vl[self._vessel]
+                               # self._vl['Vessel']['#lastinfo']
+                               # self._vl['Vessel']['#name']
+                               # self._v = self._vl[self._vessel]
                self._date = None
                self._myself = myself_pi
-               self._need_redisplay = False
                self._f = file(logfn)
                self._lbuf = ''
                self._progress = [0, os.fstat(self._f.fileno()).st_size]
+               self._disembark_myself()
+               self._need_redisplay = False
+               self._lastvessel = None
+
+       def _disembark_myself(self):
+               self._v = None
+               self._vessel = None
+               self.force_redisplay()
 
        def force_redisplay(self):
                self._need_redisplay = True
 
-       def _onboard_event(self,timestamp,pirate,event):
-               try: pa = self._pl[pirate]
-               except KeyError: pa = None
-               if pa is not None and pa.v is self._v:
+       def _vessel_updated(self, v, timestamp):
+               v['#lastinfo'] = timestamp
+               self.force_redisplay()
+
+       def _onboard_event(self,v,timestamp,pirate,event):
+               pa = self._pl.get(pirate, None)
+               if pa is not None and pa.v is v:
                        pa.last_time = timestamp
                        pa.last_event = event
                else:
                        if pa is not None: del pa.v[pirate]
-                       pa = PirateAboard(pirate, self._v, timestamp, event)
+                       pa = PirateAboard(pirate, v, timestamp, event)
                        self._pl[pirate] = pa
-                       self._v[pirate] = pa
-               self._v['#lastaboard'] = timestamp
-               self.force_redisplay()
+                       v[pirate] = pa
+               self._vessel_updated(v, timestamp)
                return pa
 
        def _trash_vessel(self, v):
                for pn in v:
                        if pn.startswith('#'): continue
                        del self._pl[pn]
+               vn = v['#name']
+               del self._vl[vn]
+               if v is self._v: self._disembark_myself()
                self.force_redisplay()
 
+       def _vessel_stale(self, v, timestamp):
+               return timestamp - v['#lastinfo'] > opts.ship_reboard_clearout
+
+       def _vessel_check_expire(self, v, timestamp):
+               if not self._vessel_stale(v, timestamp):
+                       return v
+               self._debug_line_disposition(timestamp,'',
+                       'stale-reset ' + v['#name'])
+               self._trash_vessel(v)
+               return None
+
        def expire_garbage(self, timestamp):
-               for (vn,v) in list(self._vl.iteritems()):
-                       la = v['#lastaboard']
-                       if timestamp - la > opts.ship_reboard_clearout:
-                               self._debug_line_disposition(timestamp,'',
-                                       'stale reset '+vn)
-                               self._trash_vessel(v)
-                               del self._vl[vn]
-
-       def clear_vessel(self, timestamp):
-               if self._v is not None:
-                       self._trash_vessel(self._v)
-               self._v = {'#lastaboard': timestamp}
-               self._vl[self._vessel] = self._v
+               for v in self._vl.values():
+                       self._vessel_check_expire(v, timestamp)
+
+       def _vessel_lookup(self, vn, timestamp, dml=[], create=False):
+               v = self._vl.get(vn, None)
+               if v is not None:
+                       v = self._vessel_check_expire(v, timestamp)
+               if v is not None:
+                       dml.append('found')
+                       return v
+               if not create:
+                       dml.append('no')
+               dml.append('new')
+               self._vl[vn] = v = { '#name': vn }
+               self._vessel_updated(v, timestamp)
+               return v
+
+       def _find_matching_vessel(self, pattern, timestamp, cmdr,
+                                       dml=[], create=False):
+               # use when a commander pirate `cmdr' specified a vessel
+               #  by name `pattern' (either may be None)
+               # if create is true, will create the vessel
+               #  record if an exact name is specified
+
+               if (pattern is not None and
+                   not '*' in pattern
+                   and len(pattern.split(' ')) == 2):
+                       vn = pattern.title()
+                       dml.append('exact')
+                       return self._vessel_lookup(
+                               vn, timestamp, dml=dml, create=create)
+
+               if pattern is None:
+                       pattern_check = lambda vn: True
+               else:
+                       re = '(?:.* )?%s$' % pattern.lower().replace('*','.+')
+                       pattern_check = regexp.compile(re, regexp.I).match
+
+               tries = []
+
+               cmdr_pa = self._pl.get(cmdr, None)
+               if cmdr_pa: tries.append((cmdr_pa.v, 'cmdr'))
+
+               tries.append((self._v, 'here'))
+               tried_vns = []
+
+               for (v, dm) in tries:
+                       if v is None: dml.append(dm+'?'); continue
+                       
+                       vn = v['#name']
+                       if not pattern_check(vn):
+                               tried_vns.append(vn)
+                               dml.append(dm+'#')
+                               continue
+
+                       dml.append(dm+'!')
+                       return v
+
+               if pattern is not None and '*' in pattern:
+                       search = [
+                               (vn,v)
+                               for (vn,v) in self._vl.iteritems()
+                               if not self._vessel_stale(v, timestamp)
+                               if pattern_check(vn)
+                               ]
+                       #debug('CLT-RE /%s/ wanted (%s) searched (%s)' % (
+                       #       re,
+                       #       '/'.join(tried_vns),
+                       #       '/'.join([vn for (vn,v) in search])))
+
+                       if len(search)==1:
+                               dml.append('one')
+                               return search[0][1]
+                       elif search:
+                               dml.append('many')
+                       else:
+                               dml.append('none')
 
        def _debug_line_disposition(self,timestamp,l,m):
-               debug('CLT %13s %-30s %s' % (timestamp,m,l))
+               debug('CLT %13s %-40s %s' % (timestamp,m,l))
 
        def chatline(self,l):
                rm = lambda re: regexp.match(re,l)
@@ -507,35 +634,33 @@ class ChatLogTracker:
 
                l = l[l.find(' ')+1:]
 
-               def ob_x(who,event):
-                       return self._onboard_event(timestamp, who, event)
+               def ob_x(pirate,event):
+                       return self._onboard_event(
+                                       self._v, timestamp, pirate, event)
                def ob1(did): ob_x(m.group(1), did); return d(did)
                def oba(did): return ob1('%s %s' % (did, m.group(2)))
 
-               def disembark(who, how):
-                       ob_x(who, 'leaving '+how)
-                       del self._v[who]
-                       del self._pl[who]
+               def disembark(v, timestamp, pirate, event):
+                       self._onboard_event(
+                                       v, timestamp, pirate, 'leaving '+event)
+                       del v[pirate]
+                       del self._pl[pirate]
+
+               def disembark_me(why):
+                       self._disembark_myself()
+                       return d('disembark-me '+why)
 
                m = rm('Going aboard the (\\S.*\\S)\\.\\.\\.$')
                if m:
+                       dm = ['boarding']
                        pn = self._myself.name
-                       self._vessel = m.group(1)
-                       dm = 'boarding'
-
-                       try:             self._v = self._vl[self._vessel]
-                       except KeyError: self._v = None; dm += ' new'
-                       
-                       if self._v is not None:  la = self._v['#lastaboard']
-                       else:                    la = 0; dm += ' ?la'
-
-                       if timestamp - la > opts.ship_reboard_clearout:
-                               self.clear_vessel(timestamp)
-                               dm += ' stale'
-
+                       vn = m.group(1)
+                       v = self._vessel_lookup(vn, timestamp, dm, create=True)
+                       self._lastvessel = self._vessel = vn
+                       self._v = v
                        ob_x(pn, 'we boarded')
                        self.expire_garbage(timestamp)
-                       return d(dm)
+                       return d(' '.join(dm))
 
                if self._v is None:
                        return d('no vessel')
@@ -554,42 +679,54 @@ class ChatLogTracker:
                m = rm('(\\w+) abandoned a (\\S.*\\S) station\\.$')
                if m: oba('stopped'); return d("end")
 
-               def chat(what):
-                       who = m.group(1)
-                       try: pa = self._pl[who]
-                       except KeyError: return d('chat mystery')
-                       if pa.v is self._v:
-                               pa.last_chat_time = timestamp
-                               pa.last_chat_chan = what
-                               self.force_redisplay()
-                               return d('chat '+what)
-
-               def chat_metacmd(what):
+               def chat_core(speaker, chan):
+                       try: pa = self._pl[speaker]
+                       except KeyError: return 'mystery'
+                       if pa.v is not self._v: return 'elsewhere'
+                       pa.last_chat_time = timestamp
+                       pa.last_chat_chan = chan
+                       self.force_redisplay()
+                       return 'here'
+
+               def chat(chan):
+                       speaker = m.group(1)
+                       dm = chat_core(speaker, chan)
+                       return d('chat %s %s' % (chan, dm))
+
+               def chat_metacmd(chan):
                        (cmdr, metacmd) = m.groups()
                        metacmd = regexp.sub('\\s+', ' ', metacmd).strip()
                        m2 = regexp.match(
-                               '/([ad]) (?:([A-Za-z ]+)\\s*:)?([A-Za-z ]+)$',
+                               '/([ad]) (?:([A-Za-z* ]+)\\s*:)?([A-Za-z ]+)$',
                                metacmd)
-                       if not m2: return chat(what)
+                       if not m2: return chat(chan)
 
-                       (cmd, vn, targets) = m2.groups()
+                       (cmd, pattern, targets) = m2.groups()
+                       dml = ['cmd', chan, cmd]
 
-                       if cmdr == self._myself.name: how = 'manual: /%s' % cmd
-                       else: how = '/%s %s' % (cmd,cmdr)
-                       if cmd == 'a': each = ob_x
+                       if cmd == 'a': each = self._onboard_event
                        else: each = disembark
 
-                       if vn is not None:
-                               vn = vn.title()
-                               if not regexp.match(
-                                               '(?:.* )?' + vn + '$',
-                                               self._vessel):
-                                       return chat('/%s %s:' % (cmd,vn))
+                       if cmdr == self._myself.name:
+                               dml.append('self')
+                               how = 'cmd: %s' % cmd
+                       else:
+                               dml.append('other')
+                               how = 'cmd: %s %s' % (cmd,cmdr)
+
+                       v = self._find_matching_vessel(
+                               pattern, timestamp, cmdr, dml, create=True)
 
-                       for target in targets.split(' '):
-                               if not target: continue
-                               each(target.title(), how)
-                       return d('/%s' % cmd)
+                       if v is not None:
+                               targets = targets.strip().split(' ')
+                               dml.append(`len(targets)`)
+                               for target in targets:
+                                       each(v, timestamp, target.title(), how)
+                               self._vessel_updated(v, timestamp)
+
+                       dm = ' '.join(dml)
+                       chat_core(cmdr, 'cmd '+chan)
+                       return d(dm)
 
                m = rm('(\\w+) (?:issued an order|ordered everyone) "')
                if m: return ob1('general order');
@@ -609,31 +746,49 @@ class ChatLogTracker:
                m = rm('(\\w+) officer chats, "(.*)"$')
                if m: return chat_metacmd('officer')
 
+               m = rm('Ye accepted the offer to job with ')
+               if m: return disembark_me('jobbing')
+
+               m = rm('Ye hop on the ferry and are whisked away ')
+               if m: return disembark_me('ferry')
+
+               m = rm('Whisking away to yer home on the magical winds')
+               if m: return disembark_me('home')
+
                m = rm('Game over\\.  Winners: ([A-Za-z, ]+)\\.$')
                if m:
                        pl = m.group(1).split(', ')
                        if not self._myself.name in pl:
-                               return d('lost boarding battle')
+                               return d('lost melee')
                        for pn in pl:
                                if ' ' in pn: continue
-                               ob_x(pn,'won boarding battle')
-                       return d('won boarding battle')
+                               ob_x(pn,'won melee')
+                       return d('won melee')
 
                m = rm('(\\w+) is eliminated\\!')
                if m: return ob1('eliminated in fray');
 
+               m = rm('(\\w+) has driven \w+ from the ship\\!')
+               if m: return ob1('boarder repelled');
+
+               m = rm('\w+ has bested (\\w+), and turns'+
+                       ' to the rest of the ship\\.')
+               if m: return ob1('boarder unrepelled');
+
                m = rm('(\\w+) has left the vessel\.')
                if m:
-                       disembark(m.group(1), 'disembarked')
+                       pirate = m.group(1)
+                       disembark(self._v, timestamp, pirate, 'disembarked')
                        return d('disembarked')
 
-               return d('not matched')
+               return d('not-matched')
 
        def _str_vessel(self, vn, v):
                s = ' vessel %s\n' % vn
                s += ' '*20 + "%-*s   %13s\n" % (
-                               max_pirate_namelen, '#lastaboard',
-                               v['#lastaboard'])
+                               max_pirate_namelen, '#lastinfo',
+                               v['#lastinfo'])
+               assert v['#name'] == vn
                for pn in sorted(v.keys()):
                        if pn.startswith('#'): continue
                        pa = v[pn]
@@ -688,14 +843,24 @@ class ChatLogTracker:
        def myname(self):
                # returns our pirate name
                return self._myself.name
-       def vessel(self):
-               # returns the vessel we're aboard or None
+       def vesselname(self):
+               # returns the vessel name we're aboard or None
                return self._vessel
-       def aboard(self):
-               # returns a list of PirateAboard sorted by name
-               if self._v is None: return []
-               return [ self._v[pn]
-                        for pn in sorted(self._v.keys())
+       def lastvesselname(self):
+               # returns the last vessel name we were aboard or None
+               return self._lastvessel
+       def aboard(self, vesselname=True):
+               # returns a list of PirateAboard the vessel
+               #  sorted by pirate name
+               #  you can pass this None and you'll get []
+               #  or True for the current vessel (which is the default)
+               #  the returned value is a fresh list of persistent
+               #  PirateAboard objects
+               if vesselname is True: v = self._v
+               else: v = self._vl.get(vesselname.title())
+               if v is None: return []
+               return [ v[pn]
+                        for pn in sorted(v.keys())
                         if not pn.startswith('#') ]
 
 #---------- implementations of actual operation modes ----------
@@ -723,6 +888,7 @@ def do_standings_crew_of(args, bu):
        tab.headings()
        for (rank, members) in ci.crew:
                if not members: continue
+               tab.literalline('')
                tab.literalline('%s:' % rank)
                for p in members:
                        pi = PirateInfo(p, random.randint(900,1800))
@@ -756,9 +922,9 @@ def prep_chat_log(args, bu,
        if not match: bu('chat log filename is not in expected format')
        (pirate, ocean) = match.groups()
        fetcher.default_ocean(ocean)
-       
-       myself = PirateInfo(pirate,max_myself_age)
+
        progress.show_init(pirate, fetcher.ocean)
+       myself = PirateInfo(pirate,max_myself_age)
        track = ChatLogTracker(myself, logfn)
 
        opts.debug -= 2
@@ -775,7 +941,7 @@ def do_track_chat_log(args, bu):
                track.catchup()
                if track.changed():
                        print track
-               time.sleep(1)
+               sleep(1)
 
 #----- ship management aid -----
 
@@ -845,31 +1011,91 @@ def do_ship_aid(args, bu):
        if opts.ship_duty is None: opts.ship_duty = True
 
        displayer = globals()['Display_'+opts.display]()
-       rotate_nya = '/-\\'
 
        (myself, track) = prep_chat_log(args, bu, progress=displayer)
 
+       displayer.realstart()
+
+       if os.isatty(0): kr_create = KeystrokeReader
+       else: kr_create = DummyKeystrokeReader
+
+       try:
+               kreader = kr_create(0, 10)
+               ship_aid_core(myself, track, displayer, kreader)
+       finally:
+               kreader.stop()
+               print '\n'
+
+class KeyBasedSorter:
+       def compar_key_pa(self, pa):
+               return self.compar_key(pa.pirate_info())
+       def lsort_pa(self, l):
+               l.sort(key = self.compar_key_pa)
+
+class NameSorter(KeyBasedSorter):
+       def compar_key(self, pi): return pi.name
+
+class SkillSorter(NameSorter):
+       def __init__(self, relevant):
+               self._want = frozenset(relevant.split('/'))
+               self._avoid = set()
+               for p in core_duty_puzzles:
+                       if isinstance(p,basestring): self._avoid.add(p)
+                       else: self._avoid |= set(p)
+               self._avoid -= self._want
+       
+       def compar_key(self, pi):
+               best_want = max([
+                       pi.standings.get(puz,-1)
+                       for puz in self._want
+                       ])
+               best_avoid = [
+                       -pi.standings.get(puz,standing_limit)
+                       for puz in self._avoid
+                       ]
+               best_avoid.sort()
+               def negate(x): return -x
+               debug('compar_key %s bw=%s ba=%s' % (pi.name, `best_want`,
+                       `best_avoid`))
+               return (-best_want, map(negate, best_avoid), pi.name)
+
+def ship_aid_core(myself, track, displayer, kreader):
+
+       def find_vessel():
+               vn = track.vesselname()
+               if vn: return (vn, " on board the %s" % vn)
+               vn = track.lastvesselname()
+               if vn: return (vn, " ashore from the %s" % vn)
+               return (None, " not on a vessel")
+
        def timeevent(t,e):
                if t is None: return ' ' * 22
                return " %-4s %-16s" % (format_time_interval(now - t),e)
 
-       displayer.realstart()
+       displayer.show(track.myname() + find_vessel()[1] + '...')
+
+       rotate_nya = '/-\\'
+
+       sort = NameSorter()
 
        while True:
                track.catchup()
                now = time.time()
 
-               s = "%s" % track.myname()
-
-               vn = track.vessel()
-               if vn is None: s += " not on a vessel?!"
-               else: s += " on board the %s" % vn
-               s += " at %s\n" % time.strftime("%Y-%m-%d %H:%M:%S")
+               (vn, s) = find_vessel()
+               s = track.myname() + s
+               s += " at %s" % time.strftime("%Y-%m-%d %H:%M:%S")
+               s += kreader.info()
+               s += '\n'
 
                tbl = StandingsTable()
                tbl.headings()
 
-               for pa in track.aboard():
+               aboard = track.aboard(vn)
+
+               sort.lsort_pa(aboard)
+
+               for pa in aboard:
                        pi = pa.pirate_info()
 
                        xs = ''
@@ -884,10 +1110,51 @@ def do_ship_aid(args, bu):
                                tbl.pirate(pi, xs)
 
                s += tbl.results()
-
                displayer.show(s)
-               time.sleep(1)
-               rotate_nya = rotate_nya[1:3] + rotate_nya[0]
+
+               k = kreader.getch()
+               if k is None:
+                       rotate_nya = rotate_nya[1:3] + rotate_nya[0]
+                       continue
+
+               if k == 'q': break
+               elif k == 'g': sort = SkillSorter('Gunning')
+               elif k == 'c': sort = SkillSorter('Carpentry')
+               elif k == 's': sort = SkillSorter('Sailing/Rigging')
+               elif k == 'b': sort = SkillSorter('Bilging')
+               elif k == 'n': sort = SkillSorter('Navigating')
+               elif k == 'd': sort = SkillSorter('Battle Navigation')
+               elif k == 't': sort = SkillSorter('Treasure Haul')
+               elif k == 'a': sort = NameSorter()
+               else: pass # unknown key command
+
+#---------- individual keystroke input ----------
+
+class DummyKeystrokeReader:
+       def __init__(self,fd,timeout_dummy): pass
+       def stop(self): pass
+       def getch(self): sleep(1); return None
+       def info(self): return ' [noninteractive]'
+
+class KeystrokeReader(DummyKeystrokeReader):
+       def __init__(self, fd, timeout_decisec=0):
+               self._fd = fd
+               self._saved = termios.tcgetattr(fd)
+               a = termios.tcgetattr(fd)
+               a[3] &= ~(termios.ECHO | termios.ECHONL |
+                         termios.ICANON | termios.IEXTEN)
+               a[6][termios.VMIN] = 0
+               a[6][termios.VTIME] = timeout_decisec
+               termios.tcsetattr(fd, termios.TCSANOW, a)
+       def stop(self):
+               termios.tcsetattr(self._fd, termios.TCSANOW, self._saved)
+       def getch(self):
+               debug_flush()
+               byte = os.read(self._fd, 1)
+               if not len(byte): return None
+               return byte
+       def info(self):
+               return ''
 
 #---------- main program ----------
 
@@ -915,7 +1182,7 @@ display modes (for --display) apply to ship-aid:
                help='cache yoweb pages in DIR')
        ao('-D','--debug', action='count', dest='debug', default=0,
                help='enable debugging output')
-       ao('--debug-fd', action='count', dest='debug_fd',
+       ao('--debug-fd', type='int', dest='debug_fd',
                help='write any debugging output to specified fd')
        ao('-q','--quiet', action='store_true', dest='quiet',
                help='suppress warning output')
@@ -928,6 +1195,10 @@ display modes (for --display) apply to ship-aid:
        ao('--all-puzzles', action='store_false', dest='ship_duty',
                help='show all puzzles, not just ship duty stations')
 
+       ao('--min-cache-reuse', type='int', dest='min_max_age',
+               metavar='SECONDS', default=60,
+               help='always reuse cache yoweb data if no older than this')
+
        (opts,args) = pa.parse_args()
        random.seed()
 
@@ -935,7 +1206,9 @@ display modes (for --display) apply to ship-aid:
                pa.error('need a mode argument')
 
        if opts.debug_fd is not None:
-               opts.debug_file = fdopen(opts.debug_fd, 'w')
+               opts.debug_file = os.fdopen(opts.debug_fd, 'w')
+       else:
+               opts.debug_file = sys.stdout
 
        mode = args[0]
        mode_fn_name = 'do_' + mode.replace('_','#').replace('-','_')
@@ -943,8 +1216,8 @@ display modes (for --display) apply to ship-aid:
        except KeyError: pa.error('unknown mode "%s"' % mode)
 
        # fixed parameters
-       opts.min_max_age = 60
-       opts.expire_age = 3600
+       opts.expire_age = max(3600, opts.min_max_age)
+
        opts.ship_reboard_clearout = 3600
 
        if opts.cache_dir.startswith('~/'):