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Diffstat (limited to 'testParser.py')
-rw-r--r-- | testParser.py | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/testParser.py b/testParser.py new file mode 100644 index 0000000..ceedeaf --- /dev/null +++ b/testParser.py @@ -0,0 +1,85 @@ +# testParser.py +# ------------- +# Licensing Information: You are free to use or extend these projects for +# educational purposes provided that (1) you do not distribute or publish +# solutions, (2) you retain this notice, and (3) you provide clear +# attribution to UC Berkeley, including a link to http://ai.berkeley.edu. +# +# Attribution Information: The Pacman AI projects were developed at UC Berkeley. +# The core projects and autograders were primarily created by John DeNero +# (denero@cs.berkeley.edu) and Dan Klein (klein@cs.berkeley.edu). +# Student side autograding was added by Brad Miller, Nick Hay, and +# Pieter Abbeel (pabbeel@cs.berkeley.edu). + + +import re +import sys + +class TestParser(object): + + def __init__(self, path): + # save the path to the test file + self.path = path + + def removeComments(self, rawlines): + # remove any portion of a line following a '#' symbol + fixed_lines = [] + for l in rawlines: + idx = l.find('#') + if idx == -1: + fixed_lines.append(l) + else: + fixed_lines.append(l[0:idx]) + return '\n'.join(fixed_lines) + + def parse(self): + # read in the test case and remove comments + test = {} + with open(self.path) as handle: + raw_lines = handle.read().split('\n') + + test_text = self.removeComments(raw_lines) + test['__raw_lines__'] = raw_lines + test['path'] = self.path + test['__emit__'] = [] + lines = test_text.split('\n') + i = 0 + # read a property in each loop cycle + while(i < len(lines)): + # skip blank lines + if re.match('\A\s*\Z', lines[i]): + test['__emit__'].append(("raw", raw_lines[i])) + i += 1 + continue + m = re.match('\A([^"]*?):\s*"([^"]*)"\s*\Z', lines[i]) + if m: + test[m.group(1)] = m.group(2) + test['__emit__'].append(("oneline", m.group(1))) + i += 1 + continue + m = re.match('\A([^"]*?):\s*"""\s*\Z', lines[i]) + if m: + msg = [] + i += 1 + while(not re.match('\A\s*"""\s*\Z', lines[i])): + msg.append(raw_lines[i]) + i += 1 + test[m.group(1)] = '\n'.join(msg) + test['__emit__'].append(("multiline", m.group(1))) + i += 1 + continue + print 'error parsing test file: %s' % self.path + sys.exit(1) + return test + + +def emitTestDict(testDict, handle): + for kind, data in testDict['__emit__']: + if kind == "raw": + handle.write(data + "\n") + elif kind == "oneline": + handle.write('%s: "%s"\n' % (data, testDict[data])) + elif kind == "multiline": + handle.write('%s: """\n%s\n"""\n' % (data, testDict[data])) + else: + raise Exception("Bad __emit__") |