Mercurial > fife-parpg

annotate engine/extensions/serializers/__init__.py @ 142:816b17db2bec

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- small fix for editor maploader plugin - it passed a (never used) param to loadMapFile()
author chewie@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 05 Oct 2008 15:27:31 +0000
parents 9a1529f9625e
children 48c99636453e
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
1 import fife, sys, os
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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2 from traceback import print_exc
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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3
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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4 __all__ = ('ET', 'SerializerError', 'InvalidFormat', 'WrongFileType', 'NameClash', 'NotFound', 'warn', 'root_subfile', 'reverse_root_subfile')
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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5
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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6 try:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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7 import xml.etree.cElementTree as ET
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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8 except:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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9 import xml.etree.ElementTree as ET
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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10
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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11 class SerializerError(Exception):
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12 pass
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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13
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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14 class InvalidFormat(SerializerError):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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15 pass
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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16
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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17 class WrongFileType(SerializerError):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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18 pass
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19
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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20 class NameClash(SerializerError):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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21 pass
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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22
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23 class NotFound(SerializerError):
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24 pass
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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25
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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26 def warn(self, msg):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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27 print 'Warning (%s): %s' % (self.filename, msg)
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28
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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29 def root_subfile(masterfile, subfile):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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30 '''
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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31 Returns new path for given subfile (path), which is rooted against masterfile
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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32 E.g. if masterfile is ./../foo/bar.xml and subfile is ./../foo2/subfoo.xml,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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33 returned path is ../foo2/subfoo.xml
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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34 NOTE: masterfile is expected to be *file*, not directory. subfile can be either
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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35 '''
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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36 s = '/'
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37
0
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38 masterfile = norm_path(os.path.abspath(masterfile))
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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39 subfile = norm_path(os.path.abspath(subfile))
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40
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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41 master_fragments = masterfile.split(s)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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42 sub_fragments = subfile.split(s)
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43
0
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44 master_leftovers = []
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45 sub_leftovers = []
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46
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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47 for i in xrange(len(master_fragments)):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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48 try:
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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49 if master_fragments[i] == sub_fragments[i]:
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50 master_leftovers = master_fragments[i+1:]
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51 sub_leftovers = sub_fragments[i+1:]
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52 except IndexError:
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53 break
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54
0
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55 pathstr = ''
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56 for f in master_leftovers[:-1]:
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57 pathstr += '..' + s
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58 pathstr += s.join(sub_leftovers)
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59 return pathstr
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60
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61 def reverse_root_subfile(masterfile, subfile):
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62 '''
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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63 does inverse operation to root_subfile. E.g.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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64 E.g. if masterfile is ./../foo/bar.xml and subfile is ../foo2/subfoo.xml,
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65 returned path ./../foo2/subfoo.xml
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66 Usually this function is used to convert saved paths into engine relative paths
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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67 NOTE: masterfile is expected to be *file*, not directory. subfile can be either
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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68 '''
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69 s = '/'
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70
0
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71 masterfile = norm_path(os.path.abspath(masterfile)).split(s)[:-1]
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72 subfile = norm_path(os.path.abspath( s.join(masterfile) + s + subfile ))
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73 masterfile = norm_path(os.getcwd()) + s + 'foo.bar' # cheat a little to satisfy root_subfile
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74 return root_subfile(masterfile, subfile)
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75
0
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76 def norm_path(path):
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77 '''
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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78 Makes the path use '/' delimited separators. FIFE always uses these delimiters, but some os-related
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79 routines will default to os.path.sep.
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80 '''
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81 if os.path.sep == '/':
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82 return path
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83
0
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84 return '/'.join(path.split(os.path.sep))