First attempt at Python port, expand tests.

packages/python/test/index.py

@@ -0,0 +1,58 @@
+import sys
+import os
+
+sys.path.insert(1, os.path.join(sys.path[0], '..'))
+
+from parser import createLineData, parseLine
+
+def next():
+  return sys.stdin.readline().rstrip('\n')
+
+def linedata_basic ():
+  lineData = createLineData('')
+
+  while l := next():
+    lineData['line'] = l
+    parseLine(lineData)
+    print("| level {level} | indent {indent} | offsetHead {offsetHead} | offsetTail {offsetTail} | line {line} |".format(
+      level = lineData['level'], indent = lineData['indent'], offsetHead = lineData['offsetHead'], offsetTail = lineData['offsetTail'], line = lineData['line']
+    ))
+
+def linedata_tabs ():
+  lineData = createLineData('', '\t')
+
+  while l := next():
+    lineData['line'] = l
+    parseLine(lineData)
+    print("| level {level} | indent {indent} | offsetHead {offsetHead} | offsetTail {offsetTail} | line {line} |".format(
+      level = lineData['level'], indent = lineData['indent'], offsetHead = lineData['offsetHead'], offsetTail = lineData['offsetTail'], line = lineData['line']
+    ))
+
+def linedata_head_tail ():
+  lineData = createLineData('')
+
+  while l := next():
+    lineData['line'] = l
+    parseLine(lineData)
+    head = lineData['line'][lineData['offsetHead']:lineData['offsetTail']] if len(lineData['line']) > lineData['offsetTail'] else ''
+    tail = lineData['line'][lineData['offsetTail'] + 1:] if len(lineData['line']) > lineData['offsetTail'] + 1 else ''
+
+    print("| head {head} | tail {tail} |".format(
+      head = head, tail = tail
+    ))
+
+
+tests = {
+  'linedata:basic': linedata_basic,
+  'linedata:tabs': linedata_tabs,
+  'linedata:head-tail': linedata_head_tail
+}
+
+
+def main():
+  testName = sys.argv[1]
+  test = tests[testName]
+  test()
+
+if __name__ == "__main__":
+  main()