Project

General

Profile

« Previous | Next » 

Revision 51

Added by Aaron Marcuse-Kubitza about 13 years ago

Created join_maps to join two 2-column map spreadsheets

View differences:

data2xml
1 1 
#!/usr/bin/env python
2 
# Converts a CSV dataset to XML using a mappings spreadsheet
2 
# Converts a CSV dataset to XML using a map spreadsheet
3 3 

  		




  
  4
  
    
import copy


  		




  4
  5
  
    
import csv


  		




  5
  6
  
    
import os.path


  		




  6
  7
  
    
import re


  		




  7
  8
  
    
import sys


  		




  8
  
  
    
from copy import deepcopy


  		




  9
  9
  
    
from xml.dom.minidom import getDOMImplementation


  		




  10
  10
  
    

  		




  11
  11
  
    
sys.path.append(os.path.dirname(__file__)+"/lib")


  		




  ......




  13
  13
  
    

  		




  14
  14
  
    
def main():


  		




  15
  15
  
    
    prog_name = sys.argv[0]


  		




  16
  
  
    
    try: mappings_path = sys.argv[1]


  		




  
  16
  
    
    try: prog_name, map_path = sys.argv


  		




  17
  17
  
    
    except ValueError:


  		




  18
  
  
    
        raise Exception('Usage: '+prog_name+' mappings_path <dataset >output')


  		




  
  18
  
    
        raise Exception('Usage: '+prog_name+' map_path <dataset >output')


  		




  19
  19
  
    
    


  		




  20
  
  
    
    # Get mappings


  		




  21
  
  
    
    mappings = {}


  		




  
  20
  
    
    # Get map


  		




  
  21
  
    
    map = {}


  		




  22
  22
  
    
    has_types = False # whether outer elements are type containiners


  		




  23
  
  
    
    stream = open(mappings_path, 'rb')


  		




  
  23
  
    
    stream = open(map_path, 'rb')


  		




  24
  24
  
    
    reader = csv.reader(stream, delimiter=',', quotechar='"')


  		




  25
  25
  
    
    src, dest = reader.next()[:2]


  		




  26
  26
  
    
    for row in reader:


  		




  ......




  28
  28
  
    
        if name != '' and path != '':


  		




  29
  29
  
    
            if path.startswith('/*s/'): has_types = True # *s used for type elem


  		




  30
  30
  
    
            path = path.replace('<name>', name)


  		




  31
  
  
    
            mappings[name] = xpath.XpathParser(path).parse()


  		




  
  31
  
    
            map[name] = xpath.XpathParser(path).parse()


  		




  32
  32
  
    
    stream.close()


  		




  33
  33
  
    
    


  		




  34
  34
  
    
    # Process dataset


  		




  ......




  41
  41
  
    
        row_id = str(row_idx)


  		




  42
  42
  
    
        for idx, name in enumerate(fieldnames):


  		




  43
  43
  
    
            value = row[idx]


  		




  44
  
  
    
            if value != '' and name in mappings:


  		




  45
  
  
    
                path = deepcopy(mappings[name]) # don't modify main value!


  		




  
  44
  
    
            if value != '' and name in map:


  		




  
  45
  
    
                path = copy.deepcopy(map[name]) # don't modify main value!


  		




  46
  46
  
    
                xpath.set_id(path, row_id, has_types)


  		




  47
  47
  
    
                xpath.set_value(path, value)


  		




  48
  48
  
    
                xpath.get(doc, path, True)


  		












Also available in:  Unified diff