stepic ex

Author: Sinrez

stepic/csv_ops.py

@@ -0,0 +1,48 @@
+import csv
+
+# print(csv.list_dialects())
+
+# def reader_sample():
+#     with open("Daily_Demand_Forecasting_Orders.csv") as df:
+#         reader = csv.reader(df)
+#         for row in reader:
+#             print(row)
+
+
+# reader_sample()
+
+# def sniffer():
+#     with open("Daily_Demand_Forecasting_Orders.csv") as snif:
+#         dialect = csv.Sniffer().sniff(snif.read(1024))
+#         snif.seek(0)
+#         has_header = csv.Sniffer().has_header(snif.read(1024))
+#         snif.seek(0)
+#         print("Headers: " + str(has_header))
+#         print(dialect.delimiter)
+#         print(dialect.escapechar)
+#         print(dialect.quotechar)
+
+
+# sniffer()
+
+
+# def write_data():
+#     with open("Daily_Demand_Forecasting_Orders.csv", mode="w") as csvfile:
+#         csv_writer = csv.writer(csvfile)
+#         csv_writer.writerow(["Week of the month (first week, second, third, fourth or fifth week", 
+#                              "Day of the week (Monday to Friday)",
+#                              "Non-urgent order",
+#                              "Urgent order",
+#                              "Order type A",
+#                              "Order type B",
+#                              "Order type C",
+#                              "Fiscal sector orders",
+#                              "Orders from the traffic controller sector",
+#                              "Banking orders (1)",
+#                              "Banking orders (2)",
+#                              "Banking orders (3)",
+#                              "Target (Total orders)"])
+
+#         csv_writer.writerow(["1","4","316.307","223.270","61.543","175.586","302.448","0","65556","44914","188411","14793","539.577"])
+
+# write_data()

stepic/json_parse.py

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+import json
+
+def main():
+
+    json_str = ''' {
+        "make" : "Opel",
+        "model" : "Mokka",
+        "colours" : [
+            "Black", 
+            "White",
+            "Blue"
+        ],
+        "price" : 20000.99
+    }'''
+
+    try: 
+        data = json.loads(json_str)
+    except:
+        print('JSON Decode Error')
+
+    print("Car: " + data['make'])
+    if (data['model'] == 'Mokka'):
+        print('It\'s Mokka!')
+    for colour in data['colours']:
+        print('Colour: ' + colour)
+
+
+
+
+
+
+
+
+
+
+if __name__ == "__main__":
+    main()

stepic/json_ser.py

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+import json
+
+def main():
+
+    python_data = {
+        "make" : "Opel",
+        "model" : "Mokka",
+        "colours" : [
+            "Black", 
+            "White",
+            "Blue"
+        ],
+        "price" : 20000.99
+    }
+
+    json_str = json.dumps(python_data, indent = 3)
+    print(json_str)

stepic/temp_files.py

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+import os
+import tempfile
+
+print('gettempdir():', tempfile.gettempdir())
+print('gettempprefix():', tempfile.gettempprefix())
+
+(tempfh, tempfp) = tempfile.mkstemp(".tmp", "test_temp", None, True)
+f = os.fdopen(tempfh, "w+t")
+f.write('Temp text data')
+f.seek(0)
+print(f.read())
+f.close()
+os.remove(tempfp)
+
+with tempfile.TemporaryFile(mode='w+t') as tfp:
+    tfp.write('Some more temp text data')
+    tfp.seek(0)
+    print(tfp.read())
+
+
+with tempfile.TemporaryDirectory() as tdp:
+    path = os.path.join(tdp, "temp_text.txt")
+    tfp = open(path, "w+t")
+    tfp.write("The next temp text data")
+    tfp.seek(0)
+    print(tfp.read())
+    tfp.close()