Add Stop time to setDateRange, Tweak the CSV file

setDateRange will now take a ending date (in ISO 8601 format)
Minor logic fixing to various functions to facillitate the change
The CSV tweaks are to format the CSV file correctly with the info we need

ebay.py

@@ -26,7 +26,7 @@ csv_quote = '\''
 # We can probably put the DateRange functions into a class
 
 # Creates a dateRange list for use with glue
-def setDateRange(days=None, start=None, rangeType=None):
+def setDateRange(days=None, start=None, stop=None, rangeType=None):
     # Default to searching for listings ending today
     if days == None:
         days = 0
@@ -35,6 +35,7 @@ def setDateRange(days=None, start=None, rangeType=None):
             days = int(days)
         except ValueError:
             days = 0
+
     if rangeType == None:
         rangeType = 'end'
     else:
@@ -44,6 +45,9 @@ def setDateRange(days=None, start=None, rangeType=None):
         except ValueError: 
             rangeType = 'end'
 
+    # Set the days argument to search forward more than one day
+    delta = datetime.timedelta(days)
+
     if start == None:
         # Begin the search at the current timestamp
         today = datetime.datetime.today()
@@ -59,12 +63,18 @@ def setDateRange(days=None, start=None, rangeType=None):
     else:
         today = datetime.datetime.today()
 
-
-    # Set the days argument to search forward more than one day
-    delta = datetime.timedelta(days)
+    if stop != None:
+        if type(stop) == 'datetime.datetime':
+            future = stop
+        elif type(stop) == 'str':
+            try:
+                future = datetime.datetime.strptime(stop, '%Y-%m-%dT%H:%M:%S.%fZ')
+            except ValueError:
+                future = today+delta
+    else:
+        # End the search at the future timestamp
+        future = today+delta
     
-    # End the search at the future timestamp
-    future = today+delta
     # Convert our dates into a format that ebay can recognize (ISO 8601)
     today = today.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
     # Force the future to be the absolute end of the day
@@ -151,9 +161,9 @@ def getSeller(api=None, list=None):
         res['error']['code'] = '2'
         res['error']['msg'] = 'list doesn\'t exist or is of wrong type, must be dict'
         return res
-    if ('EndTimeFrom' not in list) | ('EndTimeTo' not in list):
+    if (('EndTimeFrom' not in list) | ('EndTimeTo' not in list)) & (('StartTimeFrom' not in list) | ('StartTimeTo' not in list)):
         res['error']['code'] = '3'
-        res['error']['msg'] = 'either "EndTimeFrom" or "EndTimeTo" is not set in list'
+        res['error']['msg'] = 'either "StartTime" or "EndTime" is not set in list'
         return res
     
     res['apiResponse'] = api.execute('GetSellerEvents', list).dict()
@@ -199,7 +209,7 @@ def getItems(api=None, itemList=None, itemArgs=None):
         res['error']['code'] = '2'
         res['error']['msg'] = 'itemList doesn\'t exist or is of wrong type, must be list containing one or more dicts'
         return res
-    if (itemArgs == None) | (isinstance(itemArgs, dict) != True):
+    if isinstance(itemArgs, dict) != True:
         res['error']['code'] = '2'
         res['error']['msg'] = 'itemArgs doesn\'t exist or is of wrong type, must be dict'
         return res
@@ -381,7 +391,7 @@ def glue(api=None, sellerList=None, dateRange=None):
         sellerList = seller['apiResponse']
         seller = None # Unset any data we no-longer need - Saves on memory
             
-        items = getItems(api, sellerList)
+        items = getItems(api, sellerList, {})
         if items['error']['code'] == '0':
             sellerList = items['apiResponse']
             
@@ -410,18 +420,38 @@ try:
 
     # Write a CSV file containing some of the data we're interested in
     with open(csv_path, 'wb') as csvfile:
-        Part Number Manufacturer    Condition   Price   Quantity    Description
         fieldnames = ['Part Number', 'Manufacturer', 'Condition', 'Price', 'Quantity', 'Description']
         writer = csv.DictWriter(csvfile, fieldnames=fieldnames, delimiter=csv_delimiter, quotechar=csv_quote, quoting=csv.QUOTE_MINIMAL)
 
+        writer.writerow({'Part Number':'Part Number', 'Manufacturer':'Manufacturer', 'Condition':'Condition', 'Price':'Price', 'Quantity':'Quantity', 'Description':'Description'})
+
         for i in itemData:
+
+            def keyCheck(key):
+                try:
+                    data = itemData[i][key]
+                    return data
+                except KeyError:
+                    data = 'N/a'
+                    return data
+
+            try:
+                price = itemData[i]['price']['val']
+            except KeyError:
+                price = 'N/a'
+
+            try:
+                quantity = str(int(itemData[i]['quantity']['total'])-int(itemData[i]['quantity']['sold']))
+            except KeyError:
+                quantity = 'N/a'
+
             data = {
-                'Part Number': i['mpn'],
-                'Manufacturer': i['mfg'],
-                'Condition': i['condition']['msg'],
-                'Price': i['price']['val']+' '+i['price']['cur'],
-                'Quantity': str(int(i['quantity']['total'])-int(i['quantity']['sold'])),
-                'Description': i['title']
+                'Part Number': keyCheck('mpn'),
+                'Manufacturer': keyCheck('mfg'),
+                'Condition': itemData[i]['condition']['msg'],
+                'Price': price,
+                'Quantity': quantity,
+                'Description': keyCheck('title').encode('utf-8')
             }
 
             writer.writerow(data)