Added uncommited files
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frikky
@@ -0,0 +1,210 @@
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import re
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import json
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def parse_nested_param(string, level):
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"""
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Generate strings contained in nested (), indexing i = level
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"""
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if len(re.findall("\(", string)) == len(re.findall("\)", string)):
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LeftRightIndex = [x for x in zip(
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[Left.start()+1 for Left in re.finditer('\(', string)],
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reversed([Right.start() for Right in re.finditer('\)', string)]))]
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elif len(re.findall("\(", string)) > len(re.findall("\)", string)):
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return parse_nested_param(string + ')', level)
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elif len(re.findall("\(", string)) < len(re.findall("\)", string)):
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return parse_nested_param('(' + string, level)
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else:
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return 'Failed to parse params'
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try:
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return [string[LeftRightIndex[level][0]:LeftRightIndex[level][1]]]
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except IndexError:
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return [string[LeftRightIndex[level+1][0]:LeftRightIndex[level+1][1]]]
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# Parses the deepest part
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def maxDepth(S):
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current_max = 0
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max = 0
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n = len(S)
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# Traverse the input string
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for i in range(n):
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if S[i] == '(':
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current_max += 1
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if current_max > max:
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max = current_max
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elif S[i] == ')':
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if current_max > 0:
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current_max -= 1
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else:
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return -1
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# finally check for unbalanced string
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if current_max != 0:
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return -1
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return max-1
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def parse_type(data, thistype):
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if data == None:
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return "Empty"
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if "int" in thistype:
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try:
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return int(data)
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except ValueError:
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print("ValueError while casting %s" % data)
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return data
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if "lower" in thistype:
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return data.lower()
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if "upper" in thistype:
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return data.upper()
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if "trim" in thistype:
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return data.strip()
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if "strip" in thistype:
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return data.strip()
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if "split" in thistype:
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# Should be able to split anything
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return data.split()
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if "len" in thistype or "length" in thistype:
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return len(data)
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if "parse" in thistype:
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splitvalues = []
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default_error = """Error. Expected syntax: parse(["hello","test1"],0:1)"""
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if "," in data:
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splitvalues = data.split(",")
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for item in range(len(splitvalues)):
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splitvalues[item] = splitvalues[item].strip()
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else:
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return default_error
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lastsplit = []
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if ":" in splitvalues[-1]:
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lastsplit = splitvalues[-1].split(":")
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else:
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try:
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lastsplit = [int(splitvalues[-1])]
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except ValueError:
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return default_error
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try:
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parsedlist = ",".join(splitvalues[0:-1])
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print(parsedlist)
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print(lastsplit)
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if len(lastsplit) > 1:
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tmp = json.loads(parsedlist)[int(lastsplit[0]):int(lastsplit[1])]
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else:
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tmp = json.loads(parsedlist)[lastsplit[0]]
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print(tmp)
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return tmp
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except IndexError as e:
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return default_error
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# Parses the INNER value and recurses until everything is done
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def parse_wrapper(data):
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try:
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if "(" not in data or ")" not in data:
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return data
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except TypeError:
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return data
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print("Running %s" % data)
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# Look for the INNER wrapper first, then move out
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wrappers = ["int", "number", "lower", "upper", "trim", "strip", "split", "parse", "len", "length"]
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found = False
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for wrapper in wrappers:
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if wrapper not in data.lower():
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continue
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found = True
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break
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if not found:
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return data
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# Do stuff here.
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innervalue = parse_nested_param(data, maxDepth(data)-0)
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outervalue = parse_nested_param(data, maxDepth(data)-1)
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print("INNER: ", outervalue)
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print("OUTER: ", outervalue)
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if outervalue != innervalue:
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#print("Outer: ", outervalue, " inner: ", innervalue)
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for key in range(len(innervalue)):
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# Replace OUTERVALUE[key] with INNERVALUE[key] in data.
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print("Replace %s with %s in %s" % (outervalue[key], innervalue[key], data))
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data = data.replace(outervalue[key], innervalue[key])
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else:
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for thistype in wrappers:
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if thistype not in data.lower():
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continue
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parsed_value = parse_type(innervalue[0], thistype)
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return parsed_value
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print("DATA: %s\n" % data)
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return parse_wrapper(data)
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def parse_wrapper_start(data):
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newdata = []
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newstring = ""
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record = True
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paranCnt = 0
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for char in data:
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if char == "(":
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paranCnt += 1
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if not record:
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record = True
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if record:
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newstring += char
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if paranCnt == 0 and char == " ":
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newdata.append(newstring)
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newstring = ""
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record = True
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if char == ")":
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paranCnt -= 1
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if paranCnt == 0:
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record = False
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if len(newstring) > 0:
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newdata.append(newstring)
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parsedlist = []
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non_string = False
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for item in newdata:
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ret = parse_wrapper(item)
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if not isinstance(ret, str):
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non_string = True
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parsedlist.append(ret)
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if len(parsedlist) > 0 and not non_string:
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return " ".join(parsedlist)
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elif len(parsedlist) == 1 and non_string:
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return parsedlist[0]
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else:
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print("Casting back to string because multi: ", parsedlist)
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newlist = []
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for item in parsedlist:
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try:
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newlist.append(str(item))
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except ValueError:
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newlist.append("parsing_error")
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return " ".join(newlist)
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data = "split(hello there)"
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data = """parse(["testing", "what", "is this"], 0:2)"""
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#data = "int(int(2))"
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print("RET: ", parse_wrapper_start(data))
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