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I was playing with the decision tree algorithm and trying to plot the tree. However the IDE reporte… Read more Nameerror: Global Name 'dot_parser' Is Not Defined

I am working on a very simple 'querying syntax' usable by people with reasonable technical … Read more Pyparsing Nestedexpr And Nested Parentheses

My eventual goal is to apply sql-where-clause-style queries to filter pandas dataframes. Some searc… Read more Pyparsing Infixnotation Into A Parse Tree: Only One Operator Ending Up In Tree?

I am trying to make a small application which uses pyparsing to extract data from files produced by… Read more Matching Nonempty Lines With Pyparsing

When I used pyparsing SkipTo together with other parser, the file parsing seems hang. unexpected = … Read more How To Use Pyparsing Group With Skipto For A File Parsing?

How do you make the below regex be used in pyparsing? It should return a list of tokens given the … Read more Python Regex In Pyparsing

I need to be able to take a formula that uses the OpenDocument formula syntax, parse it into syntax… Read more Partial Evaluation With Pyparsing

I'm trying to implement something in ply, which I'm very new to, based on what I have done … Read more How Do I Implement This In Ply, Given How Pyparsing Works

I'm trying to build a grammar to parse an Erlang tagged tuple list, and map this to a Dict in p… Read more Pyparsing: Grammar For List Of Dictionaries (erlang)

I am building a simple parser that takes a query like the following: 'show fizi commits from 1/… Read more Build A Simple Parser That Is Able To Parse Different Date Formats Using Pyparse

I have defined these as part of my grammar in pyparsing argument = oneOf(valid_arguments) function_… Read more Raise A Custom Exception In Pyparsing

I am working on a program that parses a command line with pyparsing. It uses the readline library t… Read more Pyparsing: Get Token Location In Results Name

I'm using the Pyparsing library to evaluate simple boolean queries like these ones: (True AND … Read more How To Validate Boolean Expression Syntax Using Pyparsing?