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from os.path import basename |
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3
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class Diff(object): |
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NCHARSCOL = 20 |
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defaultIgnore = ['_id'] |
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8
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def __init__(self, file1, file2): |
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self.file1 = file1 |
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self.file2 = file2 |
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11
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12
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def getDifferences(self, ignore=None, select=None): |
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assert isinstance(ignore, list) or ignore is None |
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if ignore is None: |
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ignore = [] |
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ignore += self.defaultIgnore |
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prov1 = self.file1.getProvenance() |
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prov2 = self.file2.getProvenance() |
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if select: |
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allkeys = set(prov1.keys()+prov2.keys()) |
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ignore = [k for k in allkeys if k not in select] |
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diffDict = {} |
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for k in set(prov1.keys()).difference(prov2.keys()): |
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if k not in ignore: |
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diffDict[k] = 'missingIn2' |
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for k in set(prov2.keys()).difference(prov1.keys()): |
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if k not in ignore: |
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diffDict[k] = 'missingIn1' |
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for k in set(prov1.keys()).intersection(prov2.keys()): |
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if k not in ignore: |
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if prov1[k] != prov2[k]: |
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diffDict[k] = 'value' |
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return diffDict |
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def getDifferenceString(self, ignore=None, select=None): |
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differences = self.getDifferences(ignore, select) |
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if not differences: |
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return '' |
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name1 = basename(str(self.file1.location)) |
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name2 = basename(str(self.file2.location)) |
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prov1 = self.file1.getProvenance() |
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prov2 = self.file2.getProvenance() |
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def row(*vals): |
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cells = [c[:self.NCHARSCOL] for c in vals] |
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cells = [c.ljust(self.NCHARSCOL) for c in cells] |
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return ' '.join(cells)+'\n' |
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diffStr = 'Differences:\n' |
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diffStr += row('', name1, name2) |
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for field, status in differences.items(): |
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val1 = prov1.get(field, 'n/a') |
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val2 = prov2.get(field, 'n/a') |
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diffStr += row(field, str(val1), str(val2)) |
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return diffStr |
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56
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def areEqual(self, ignore=None, select=None): |
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differences = self.getDifferences(ignore, select) |
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return len(differences) == 0 |
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59
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60
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def areEqualProtocol(self): |
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protocol = self.file1.getProtocolFields() |
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differences = self.getDifferences(select=protocol) |
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return len(differences) == 0 |
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65
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def assertEqual(self, ignore=None, select=None): |
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differences = self.getDifferenceString(ignore, select) |
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if differences: |
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raise AssertionError(differences) |
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69
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70
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def assertEqualProtocol(self): |
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protocol = self.file1.getProtocolFields() |
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differences = self.getDifferenceString(select=protocol) |
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if differences: |
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raise AssertionError(differences) |
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76
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def __str__(self): |
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return self.getDifferenceString() |
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|
ilogue /
niprov
