add multiple pallet support
This commit is contained in:
josch
parent
e36d419a37
commit
846324162f
2 changed files with 96 additions and 4 deletions
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@ -1,7 +1,7 @@
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import sys
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import subprocess
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import itertools
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from util import dicttoxmlfile, get_packlist_dict, dicttoxmlstring
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from util import dicttoxmlfile, get_packlist_dict, get_packlist_dict_multi, dicttoxmlstring, get_order_dict
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from arrange_spread2 import arrange_in_layer
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import cPickle
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from binascii import a2b_base64
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@ -43,7 +43,26 @@ def pack_single_pallet(permut_layers, rest_layers, pallet):
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return get_packlist_dict(pallet, articles_to_pack)
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def pack_multi_pallet(permut_layers, rest_layers, pallet):
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pass
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sum_all_article_height = sum([layer[0]['Article']['Height'] for layer in list(permut_layers)+rest_layers])
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number_of_pallets = int(sum_all_article_height/pallet['Dimensions']['MaxLoadHeight'])+1
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article_lists = [ list() for i in range(number_of_pallets) ]
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pack_heights = [ 0 for i in range(number_of_pallets) ]
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pack_sequences = [ 1 for i in range(number_of_pallets) ]
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# spread over pallets in order
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for layer in list(permut_layers)+rest_layers:
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# select as current, the pallet with the lowest height
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current_pallet = pack_heights.index(min(pack_heights))
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pack_heights[current_pallet] += layer[0]['Article']['Height']
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for article in layer:
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article['PackSequence'] = pack_sequences[current_pallet]
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article['PlacePosition']['Z'] = pack_heights[current_pallet]
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article_lists[current_pallet].append(article)
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pack_sequences[current_pallet] += 1
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return get_packlist_dict_multi(pallet, article_lists)
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def evaluate_single_pallet(packlist):
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tmp_fh, tmp = tempfile.mkstemp()
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@ -54,7 +73,24 @@ def evaluate_single_pallet(packlist):
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return result
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def evaluate_multi_pallet(packlist):
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pass
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pallets = packlist['Response']['PackList']['PackPallets']['PackPallet']
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article_lists = [ pallet['Packages']['Package'] for pallet in pallets ]
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scores = list()
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for pallet, articles_to_pack in zip(pallets, article_lists):
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partial_packlist = get_packlist_dict(pallet, articles_to_pack)
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tmp_fh, tmp = tempfile.mkstemp()
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tmp_order_fh, tmp_order = tempfile.mkstemp()
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dicttoxmlfile(partial_packlist, tmp)
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dicttoxmlfile(get_order_dict(pallet, articles_to_pack), tmp_order)
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scores.append(libpallet.evaluate(tmp_order, tmp, sys.argv[3]))
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os.close(tmp_fh)
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os.close(tmp_order_fh)
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os.remove(tmp)
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os.remove(tmp_order)
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return sum(scores)/len(scores)
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def evaluate_layers_rests(layers, rests, score_max, pallet, result_max):
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rest_layers = list()
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@ -84,7 +120,7 @@ def evaluate_layers_rests(layers, rests, score_max, pallet, result_max):
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if try_permutations:
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permutations = itertools.permutations(layers)
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else:
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permutations = [layers]
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permutations = [tuple(layers)]
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for permut_layers in permutations:
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if try_multi_pallet:
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packlist = pack_multi_pallet(permut_layers, rest_layers, pallet)
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56
util.py
56
util.py
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@ -110,6 +110,37 @@ def get_articles(orderline):
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)
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return articles
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def get_order_dict(pallet, articles):
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# create order file from article list
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# ignore article grouping into orderlines and have one orderline per article
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orderlines = list()
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for i, article in enumerate(articles):
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orderlines.append({
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'OrderLineNo': str(i),
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'Article': article['Article'],
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'Barcodes': { 'Barcode': article['Barcode'] }
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})
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return {'Message':
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{'PalletInit': {'Pallets': {'Pallet': {
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'PalletNumber': int(pallet['PalletNumber']),
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'Description': pallet['Description'],
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'Dimensions': {
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'MaxLoadHeight': int(pallet['Dimensions']['MaxLoadHeight']),
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'MaxLoadWeight': int(pallet['Dimensions']['MaxLoadWeight']),
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'Length': int(pallet['Dimensions']['Length']),
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'Width': int(pallet['Dimensions']['Width'])
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} } } },
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'Order':
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{'ID': '1',
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'Description': 'foobar',
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'Restrictions': { 'FamilyGrouping': 'False', 'Ranking': 'False' },
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'Orderlines': { 'OrderLine': orderlines }
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}
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}
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}
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def get_packlist_dict(pallet, articles):
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pallet['Packages'] = {'Package': articles}
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return {'Response':
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@ -121,6 +152,31 @@ def get_packlist_dict(pallet, articles):
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}
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}
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def get_packlist_dict_multi(pallet, article_lists):
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pallets = []
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for articles in article_lists:
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pallets.append({
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'PalletNumber': int(pallet['PalletNumber']),
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'Description': pallet['Description'],
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'Dimensions': {
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'MaxLoadHeight': int(pallet['Dimensions']['MaxLoadHeight']),
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'MaxLoadWeight': int(pallet['Dimensions']['MaxLoadWeight']),
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'Length': int(pallet['Dimensions']['Length']),
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'Width': int(pallet['Dimensions']['Width'])
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},
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'Packages': {'Package': articles}
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})
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return {'Response':
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{'PackList':
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{'OrderID': '1',
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'PackPallets':
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{'PackPallet': pallets }
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}
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}
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}
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def product_varlength(branch_factor):
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root = {"value": None, "parent": None, "children": []}
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current = root
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