chiark / gitweb /
Merge branch 'ceb'
[ypp-sc-tools.db-test.git] / yoweb-scrape
index 5e24e57..517d5e1 100755 (executable)
@@ -13,6 +13,7 @@ import errno
 import sys
 import re as regexp
 import random
+import curses
 from optparse import OptionParser
 
 from BeautifulSoup import BeautifulSoup
@@ -40,6 +41,12 @@ def debug(m):
        if opts.debug > 0:
                print m
 
+def format_time_interval(ti):
+       if ti < 120: return '%d:%02d' % (ti / 60, ti % 60)
+       if ti < 7200: return '%2dm' % (ti / 60)
+       if ti < 86400: return '%dh' % (ti / 3600)
+       return '%dd' % (ti / 86400)
+
 #---------- caching and rate-limiting data fetcher ----------
 
 class Fetcher:
@@ -52,9 +59,9 @@ class Fetcher:
                        if oe.errno != errno.EEXIST: raise
                self._cache_scan(time.time())
 
-       def _default_ocean(self):
+       def default_ocean(self, ocean='ice'):
                if self.ocean is None:
-                       self.ocean = 'ice'
+                       self.ocean = ocean
 
        def _cache_scan(self, now):
                # returns list of ages, unsorted
@@ -135,7 +142,7 @@ class Fetcher:
                return data
 
        def yoweb(self, kind, tail, max_age):
-               self._default_ocean()
+               self.default_ocean()
                url = 'http://%s.puzzlepirates.com/yoweb/%s%s' % (
                        self.ocean, kind, tail)
                return self.fetch(url, max_age)
@@ -642,6 +649,7 @@ class ChatLogTracker:
                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())
                         if not pn.startswith('#') ]
@@ -678,10 +686,16 @@ def do_standings_crew_of(args, bu):
        print tab.results()
 
 class ProgressPrintPercentage:
-       def __init__(self, f=sys.stdout): self._f = f
-       def progress(self,done,total):
-               self._f.write("scan chat logs %3d%%\r" % ((done*100) / total))
+       def __init__(self, f=sys.stdout):
+               self._f = f
+       def progress_string(self,done,total):
+               return "scan chat logs %3d%%\r" % ((done*100) / total)
+       def progress(self,*a):
+               self._f.write(self.progress_string(*a))
                self._f.flush()
+       def show_init(self, pirate, ocean):
+               print >>self._f, 'Starting up, %s on the %s ocean' % (
+                       pirate, ocean)
        def caughtup(self):
                self._f.write('                   \r')
                self._f.flush()
@@ -696,9 +710,11 @@ def prep_chat_log(args, bu,
        logfn_re = '(?:.*/)?([A-Z][a-z]+)_([a-z]+)_'
        match = regexp.match(logfn_re, logfn)
        if not match: bu('chat log filename is not in expected format')
-       (pirate, fetcher.ocean) = match.groups()
+       (pirate, ocean) = match.groups()
+       fetcher.default_ocean(ocean)
        
        myself = PirateInfo(pirate,max_myself_age)
+       progress.show_init(pirate, fetcher.ocean)
        track = ChatLogTracker(myself, logfn)
 
        opts.debug -= 1
@@ -715,23 +731,84 @@ def do_track_chat_log(args, bu):
                        print track
                time.sleep(1)
 
-def format_time_interval(ti):
-       if ti < 120: return '%d:%02d' % (ti / 60, ti % 60)
-       if ti < 7200: return '%2dm' % (ti / 60)
-       if ti < 86400: return '%dh' % (ti / 3600)
-       return '%dd' % (ti / 86400)
+#----- ship management aid -----
+
+class Display_dumb(ProgressPrintPercentage):
+       def __init__(self):
+               ProgressPrintPercentage.__init__(self)
+       def show(self, s):
+               print '\n\n', s;
+       def realstart(self):
+               pass
+
+class Display_overwrite(ProgressPrintPercentage):
+       def __init__(self):
+               ProgressPrintPercentage.__init__(self)
+
+               null = file('/dev/null','w')
+               curses.setupterm(fd=null.fileno())
+
+               self._clear = curses.tigetstr('clear')
+               if not self._clear:
+                       self._debug('missing clear!')
+                       self.show = Display_dumb.show
+                       return
+
+               self._t = {'el':'', 'ed':''}
+               if not self._init_sophisticated():
+                       for k in self._t.keys(): self._t[k] = ''
+                       self._t['ho'] = self._clear
+
+       def _debug(self,m): debug('display overwrite: '+m)
+
+       def _init_sophisticated(self):
+               for k in self._t.keys():
+                       s = curses.tigetstr(k)
+                       self._t[k] = s
+               self._t['ho'] = curses.tigetstr('ho')
+               if not self._t['ho']:
+                       cup = curses.tigetstr('cup')
+                       self._t['ho'] = curses.tparm(cup,0,0)
+               missing = [k for k in self._t.keys() if not self._t[k]]
+               if missing:
+                       self.debug('missing '+(' '.join(missing)))
+                       return 0
+               return 1
+
+       def show(self, s):
+               w = sys.stdout.write
+               def wti(k): w(self._t[k])
+
+               wti('ho')
+               nl = ''
+               for l in s.rstrip().split('\n'):
+                       w(nl)
+                       w(l)
+                       wti('el')
+                       nl = '\r\n'
+               wti('ed')
+               w(' ')
+               sys.stdout.flush()
+
+       def realstart(self):
+               sys.stdout.write(self._clear)
+               sys.stdout.flush()
+                       
 
 def do_ship_aid(args, bu):
        if opts.ship_duty is None: opts.ship_duty = True
 
-       (myself, track) = prep_chat_log(args, bu)
-
+       displayer = globals()['Display_'+opts.display]()
        rotate_nya = '/-\\'
 
+       (myself, track) = prep_chat_log(args, bu, progress=displayer)
+
        def timeevent(t,e):
                if t is None: return ' ' * 22
                return " %-4s %-16s" % (format_time_interval(now - t),e)
 
+       displayer.realstart()
+
        while True:
                track.catchup()
                now = time.time()
@@ -739,13 +816,9 @@ def do_ship_aid(args, bu):
                s = "%s" % track.myname()
 
                vn = track.vessel()
-               if vn is None:
-                       print s + " ...?"
-                       time.sleep(1)
-                       continue
-
-               s += " on board the %s at %s\n" % (
-                       vn, time.strftime("%Y-%m-%d %H:%M:%S"))
+               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")
 
                tbl = StandingsTable()
                tbl.headings()
@@ -766,8 +839,7 @@ def do_ship_aid(args, bu):
 
                s += tbl.results()
 
-               print '\n\n', s;
-
+               displayer.show(s)
                time.sleep(1)
                rotate_nya = rotate_nya[1:2] + rotate_nya[0]
 
@@ -783,7 +855,11 @@ actions:
  yoweb-scrape [--ocean OCEAN ...] crew-of PIRATE
  yoweb-scrape [--ocean OCEAN ...] standings-crew-of PIRATE
  yoweb-scrape [--ocean OCEAN ...] track-chat-log CHAT-LOG
- yoweb-scrape [--ocean OCEAN ...] ship-aid CHAT-LOG
+ yoweb-scrape [options] ship-aid CHAT-LOG  (must be .../PIRATE_OCEAN_chat-log*)
+
+display modes (for --display) apply to ship-aid:
+ --display=dumb       just print new information, scrolling the screen
+ --display=overwrite  use cursor motion, selective clear, etc. to redraw at top
 ''')
        ao = pa.add_option
        ao('-O','--ocean',dest='ocean', metavar='OCEAN', default=None,
@@ -793,8 +869,13 @@ actions:
                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',
+               help='write any debugging output to specified fd')
        ao('-q','--quiet', action='store_true', dest='quiet',
                help='suppress warning output')
+       ao('--display', action='store', dest='display',
+               type='choice', choices=['dumb','overwrite'],
+               help='how to display ship aid')
 
        ao('--ship-duty', action='store_true', dest='ship_duty',
                help='show ship duty station puzzles')
@@ -807,6 +888,9 @@ actions:
        if len(args) < 1:
                pa.error('need a mode argument')
 
+       if opts.debug_fd is not None:
+               opts.debug_file = fdopen(opts.debug_fd, 'w')
+
        mode = args[0]
        mode_fn_name = 'do_' + mode.replace('_','#').replace('-','_')
        try: mode_fn = globals()[mode_fn_name]
@@ -820,6 +904,13 @@ actions:
        if opts.cache_dir.startswith('~/'):
                opts.cache_dir = os.getenv('HOME') + opts.cache_dir[1:]
 
+       if opts.display is None:
+               if ((opts.debug > 0 and opts.debug_fd is None)
+                   or not os.isatty(sys.stdout.fileno())):
+                       opts.display = 'dumb'
+               else:
+                       opts.display = 'overwrite'
+
        fetcher = Fetcher(opts.ocean, opts.cache_dir)
 
        mode_fn(args[1:], pa.error)