pythonutilitycode/mergepop.py at master · andrewmacd/pythonutilitycode · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
# file: mergepop.py
#
# purpose: merges census pop data with chinadataonline.org data
#
# created by: Andrew MacDonald on 5/31/11.
#
# copyright: (c) 2016 Andrew MacDonald. All rights reserved.
# email: andrewwm@gmail.com

import csv
import sys
import math

####
#### GLOBAL VARIABLES
####

DEFAULT_INFILE = "mergeddata-final.csv"
DEFAULT_OUTFILE = "revised "

PROVINCE_PLACE = 1000

NEW_POPULATION_LOCATION = 138
OLD_EPOP = 88
OLD_COUNTY_POP = 152
RPOP_OFFSET = 1
ID = 4
YEAR = 1

####
#### FUNCTIONS
####

def doProvincialDeflator(row, writer):

	towrite = ""


	return towrite

def combinePopulation(row):

	towrite = ""
	datumreader = csv.reader(row)
	# gets the row in parsed form
	datarow = datumreader.next()

	if(datarow[OLD_COUNTY_POP] != ''):
		datarow[NEW_POPULATION_LOCATION] = datarow[OLD_COUNTY_POP]

	if(datarow[OLD_COUNTY_POP + RPOP_OFFSET] != ''):
		datarow.insert(NEW_POPULATION_LOCATION + 1, datarow[OLD_COUNTY_POP + RPOP_OFFSET])
	elif(datarow[OLD_EPOP + RPOP_OFFSET] != ''):
		datarow.insert(NEW_POPULATION_LOCATION + 1, datarow[OLD_EPOP + RPOP_OFFSET])
	else:
		datarow.insert(NEW_POPULATION_LOCATION + 1, '')

	return datarow

# Digs out the two digit province code and returns it as a float
def getProvince(province_code):

	code = float(province_code)

	code = code / PROVINCE_PLACE

	code = floor(code)

	print "code " + code

	return code

def checkForDuplicates(row, rowlist):

	found = False

	for checkrow in rowlist:

		rowreader = csv.reader(checkrow)
		checkrowlist = rowreader.next()

		if(checkrowlist[ID] == row[ID] and checkrowlist[YEAR] == row[YEAR]):
				if(found == False):
					found = True
				else:
					print checkrowlist[ID]
					print checkrowlist[YEAR]


##########################################################
################### START OF MAIN CODE ###################
##########################################################

specified_infile = ""
specified_outfile = ""

# check command line; sys.argv[0] is the name of the file, [1] is the first arg
# will first check for an infile, then an outfile
try:
	print sys.argv[1]

	if(sys.argv[1] != ""):
		specified_infile = sys.argv[1]

	try:
		if(sys.argv[2] != ""):
			specified_outfile = sys.argv[2]
	except:
		specified_outfile = ""
except:
	specified_infile = ""

print "infile " + specified_infile
print "outfile " + specified_outfile

# Opening files
infilename = ""
outfilename = ""

# Doing infile
if(specified_infile != ""):
	infilename = specified_infile
else:
	infilename = DEFAULT_INFILE

try:
	reader = csv.reader(open(infilename, 'rU'), dialect=csv.excel_tab)
except IOError:
	print "I/O Error, likely no such infile"
	sys.exit(0)

# Doing outfile
if(specified_outfile != ""):
	outfilename = specified_outfile
else:
	outfilename = DEFAULT_OUTFILE+infilename

try:
	writer = csv.writer(open(outfilename, 'wb'))
except IOError:
	print "I/O Error opening writer file. Exiting."
	sys.exit(0)

reader_list = []
reader_list.extend(reader)
i = 0

# Main part of logical code
for row in reader_list:
	rowreader = csv.reader(row)
	rowlist = rowreader.next()
	towrite = ""

	# doing header row
	if(i == 0):
		rowlist.insert(NEW_POPULATION_LOCATION + 1, "rural_popularion_revised")
		towrite = rowlist
	else:
		#towrite = combinePopulation(row)
		checkForDuplicates(rowlist, reader_list)

	#writer.writerow(towrite)
	i = i+1