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86 lines
2.9 KiB
86 lines
2.9 KiB
2 years ago
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# testParser.py
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# -------------
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# Licensing Information: You are free to use or extend these projects for
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# educational purposes provided that (1) you do not distribute or publish
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# solutions, (2) you retain this notice, and (3) you provide clear
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# attribution to UC Berkeley, including a link to http://ai.berkeley.edu.
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#
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# Attribution Information: The Pacman AI projects were developed at UC Berkeley.
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# The core projects and autograders were primarily created by John DeNero
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# (denero@cs.berkeley.edu) and Dan Klein (klein@cs.berkeley.edu).
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# Student side autograding was added by Brad Miller, Nick Hay, and
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# Pieter Abbeel (pabbeel@cs.berkeley.edu).
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import re
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import sys
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class TestParser(object):
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def __init__(self, path):
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# save the path to the test file
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self.path = path
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def removeComments(self, rawlines):
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# remove any portion of a line following a '#' symbol
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fixed_lines = []
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for l in rawlines:
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idx = l.find('#')
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if idx == -1:
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fixed_lines.append(l)
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else:
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fixed_lines.append(l[0:idx])
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return '\n'.join(fixed_lines)
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def parse(self):
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# read in the test case and remove comments
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test = {}
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with open(self.path) as handle:
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raw_lines = handle.read().split('\n')
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test_text = self.removeComments(raw_lines)
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test['__raw_lines__'] = raw_lines
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test['path'] = self.path
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test['__emit__'] = []
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lines = test_text.split('\n')
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i = 0
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# read a property in each loop cycle
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while(i < len(lines)):
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# skip blank lines
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if re.match('\A\s*\Z', lines[i]):
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test['__emit__'].append(("raw", raw_lines[i]))
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i += 1
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continue
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m = re.match('\A([^"]*?):\s*"([^"]*)"\s*\Z', lines[i])
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if m:
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test[m.group(1)] = m.group(2)
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test['__emit__'].append(("oneline", m.group(1)))
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i += 1
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continue
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m = re.match('\A([^"]*?):\s*"""\s*\Z', lines[i])
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if m:
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msg = []
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i += 1
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while(not re.match('\A\s*"""\s*\Z', lines[i])):
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msg.append(raw_lines[i])
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i += 1
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test[m.group(1)] = '\n'.join(msg)
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test['__emit__'].append(("multiline", m.group(1)))
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i += 1
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continue
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print 'error parsing test file: %s' % self.path
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sys.exit(1)
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return test
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def emitTestDict(testDict, handle):
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for kind, data in testDict['__emit__']:
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if kind == "raw":
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handle.write(data + "\n")
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elif kind == "oneline":
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handle.write('%s: "%s"\n' % (data, testDict[data]))
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elif kind == "multiline":
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handle.write('%s: """\n%s\n"""\n' % (data, testDict[data]))
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else:
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raise Exception("Bad __emit__")
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