[LABI] tema04 csv and json examples added

1ano/2semestre/labi/tema04/datafiles/example1.csv

@@ -0,0 +1,12 @@
+id,time,timestamp,value
+1,15/03/2014 18:07:24,1394903244.0,2.3
+1,15/03/2014 18:08:24,1394903304.0,1.8
+1,15/03/2014 18:09:24,1394903364.0,1.2
+1,15/03/2014 18:10:24,1394903424.0,1.6
+1,15/03/2014 18:11:24,1394903484.0,2.1
+1,15/03/2014 18:12:24,1394903544.0,2.5
+1,15/03/2014 18:13:24,1394903604.0,2.9
+1,15/03/2014 18:14:24,1394903664.0,3.3
+1,15/03/2014 18:15:24,1394903724.0,3.0
+1,15/03/2014 18:16:24,1394903784.0,2.8
+1,15/03/2014 18:17:24,1394903844.0,2.4

1ano/2semestre/labi/tema04/datafiles/example2.csv

@@ -0,0 +1,26 @@
+entry,value
+0,48
+1,51
+2,43
+3,49
+4,76
+5,6
+6,66
+7,49
+8,76
+9,78
+10,70
+11,80
+12,67
+13,93
+14,78
+15,71
+16,60
+17,77
+18,90
+19,33
+20,85
+21,82
+22,85
+23,75
+24,94

1ano/2semestre/labi/tema04/datafiles/example3.json

@@ -0,0 +1,12 @@
+[
+    {
+        "time": 1394984189,
+        "name": "cpu",
+        "value": 12
+    },
+    {
+        "time": 1394984189,
+        "name": "cpu",
+        "value": 19
+    }
+]

1ano/2semestre/labi/tema04/src/csv_randomizer.py

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+import csv
+import random
+
+
+def main(args=None):
+    with open("../datafiles/example2.csv", "w") as f:
+        writer = csv.DictWriter(f, delimiter=",", fieldnames=["entry", "value"])
+
+        writer.writeheader()
+
+        for i in range(25):
+            writer.writerow({"entry": i, "value": random.randint(0, 100)})
+
+
+if __name__ == '__main__':
+    main()

1ano/2semestre/labi/tema04/src/csv_reader.py

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+import csv
+import sys
+
+
+def main(args=None):
+    with open(args[0], 'r') as f:
+        reader = csv.reader(f, delimiter=(',' if len(args) == 1 else args[1]))
+        for row in reader:
+            print(row)
+
+
+if __name__ == '__main__':
+    main(sys.argv[1:])

1ano/2semestre/labi/tema04/src/json_dumper.py

@@ -0,0 +1,15 @@
+import json
+
+
+def main(args=None):
+    data = [
+        {"time": 1394984189, "name": "cpu", "value": 12},
+        {"time": 1394984189, "name": "cpu", "value": 19}
+    ]
+
+    print(json.dumps(data, indent=4))
+    json.dump(data, open('../datafiles/example3.json', 'w'), indent=4)
+
+
+if __name__ == '__main__':
+    main()

1ano/2semestre/labi/tema04/src/json_reader.py

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+import json
+
+
+def main(args=None):
+    data = json.load(open('../datafiles/example3.json', 'r'))
+    print(json.dumps(data, indent=4))
+
+
+if __name__ == '__main__':
+    main()