Fixes plugins/coriolis.py to appear in settings, and confirms click-through works

*) Code and imports brought in line with edsy plugin
  *) 'Coriolis' now appears in Settings > Configuration > Shipyard
    dropdown
  *) Confirmed that with this active a valid build opens on coriolis.io

plugins/coriolis.py

@@ -1,105 +1,28 @@
-#!/usr/bin/python
-#
-# build ship and module databases from https://github.com/EDCD/coriolis-data/
-#
+# Coriolis ship export
 
-from __future__ import print_function
-from future import standard_library
-standard_library.install_aliases()
-from builtins import str
-from builtins import range
-import csv
 import base64
-from collections import OrderedDict
-import pickle
+import gzip
 import json
-from traceback import print_exc
+import io
 
+# Migrate settings from <= 3.01
 from config import config
-import outfitting
-import companion
+if not config.get('shipyard_provider') and config.getint('shipyard'):
+    config.set('shipyard_provider', 'Coriolis')
+config.delete('shipyard')
 
 
-if __name__ == "__main__":
+def plugin_start():
+    return 'Coriolis'
 
-    def add(modules, name, attributes):
-        assert name not in modules or modules[name] == attributes, '%s: %s!=%s' % (name, modules.get(name), attributes)
-        assert name not in modules, name
-        modules[name] = attributes
+# Return a URL for the current ship
+def shipyard_url(loadout, is_beta):
+    string = json.dumps(loadout, ensure_ascii=False, sort_keys=True, separators=(',', ':')).encode('utf-8')	# most compact representation
+    if not string:
+        return False
 
+    out = io.BytesIO()
+    with gzip.GzipFile(fileobj=out, mode='w') as f:
+        f.write(string)
 
-    data = json.load(open('coriolis-data/dist/index.json'))
-
-    # Map Coriolis's names to names displayed in the in-game shipyard
-    coriolis_ship_map = {
-        'Cobra Mk III' : 'Cobra MkIII',
-        'Cobra Mk IV'  : 'Cobra MkIV',
-        'Krait Mk II'  : 'Krait MkII',
-        'Viper'        : 'Viper MkIII',
-        'Viper Mk IV'  : 'Viper MkIV',
-    }
-
-    # Symbolic name from in-game name
-    reverse_ship_map = {v: k for k, v in companion.ship_map.items()}
-
-    bulkheads = list(outfitting.armour_map.keys())
-
-    ships = {}
-    modules = {}
-
-    # Ship and armour masses
-    for m in list(data['Ships'].values()):
-        name = coriolis_ship_map.get(m['properties']['name'], str(m['properties']['name']))
-        assert name in reverse_ship_map, name
-        ships[name] = { 'hullMass' : m['properties']['hullMass'] }
-        for i in range(len(bulkheads)):
-            modules['_'.join([reverse_ship_map[name], 'armour', bulkheads[i]])] = { 'mass': m['bulkheads'][i]['mass'] }
-
-    ships = OrderedDict([(k,ships[k]) for k in sorted(ships)])	# sort for easier diffing
-    pickle.dump(ships, open('ships.p', 'wb'))
-
-    # Module masses
-    for cat in list(data['Modules'].values()):
-        for grp, mlist in cat.items():
-            for m in mlist:
-                assert 'symbol' in m, m
-                key = str(m['symbol'].lower())
-                if grp == 'fsd':
-                    modules[key] = {
-                        'mass'      : m['mass'],
-                        'optmass'   : m['optmass'],
-                        'maxfuel'   : m['maxfuel'],
-                        'fuelmul'   : m['fuelmul'],
-                        'fuelpower' : m['fuelpower'],
-                    }
-                elif grp == 'gfsb':
-                    modules[key] = {
-                        'mass'      : m['mass'],
-                        'jumpboost' : m['jumpboost'],
-                    }
-                else:
-                    modules[key] = { 'mass': m.get('mass', 0) }	# Some modules don't have mass
-
-    # Pre 3.3 modules
-    add(modules, 'int_stellarbodydiscoveryscanner_standard',     { 'mass': 2 })
-    add(modules, 'int_stellarbodydiscoveryscanner_intermediate', { 'mass': 2 })
-    add(modules, 'int_stellarbodydiscoveryscanner_advanced',     { 'mass': 2 })
-
-    # Missing
-    add(modules, 'hpt_mining_subsurfdispmisle_fixed_small',      { 'mass': 2 })
-    add(modules, 'hpt_mining_subsurfdispmisle_fixed_medium',     { 'mass': 4 })
-    add(modules, 'hpt_multicannon_fixed_small_advanced',         { 'mass': 2 })
-    add(modules, 'hpt_multicannon_fixed_medium_advanced',        { 'mass': 4 })
-
-    modules = OrderedDict([(k,modules[k]) for k in sorted(modules)])	# sort for easier diffing
-    pickle.dump(modules, open('modules.p', 'wb'))
-
-    # Check data is present for all modules
-    with open('outfitting.csv') as csvfile:
-        reader = csv.DictReader(csvfile, restval='')
-        for row in reader:
-            try:
-                module = outfitting.lookup({ 'id': row['id'], 'name': row['symbol'] }, companion.ship_map)
-            except:
-                print(row['symbol'])
-                print_exc()
+    return (is_beta and 'https://beta.coriolis.io/import?data=' or 'https://coriolis.io/import?data=') + base64.urlsafe_b64encode(out.getvalue()).decode().replace('=', '%3D')