Added proper csv lib usage and extra dep for easier command line args handling

export_csv.py

@@ -2,53 +2,111 @@
 
 from lbcapi import api
 import sys
+import csv
+import pycommand
 import os
 from urllib.parse import urlparse
 from urllib.parse import parse_qs
-
 import pdb
+class LbCsvExport():
+    def __init__(self):
+        self.trades_count = None
+        self.filename = None
+    def setFilename(self, filename):
+        self.filename = filename
+    def setTradesToExportCount(self, count):
+        self.trades_count = count
+    def run(self):
+        # arg_count = len(sys.argv)
+        max_records = -1
+        if self.trades_count != None:
+            max_records = int(self.trades_count)
+            print("A max count of", max_records ,"has been provided")
+        if "LB_HMAC_KEY" in os.environ and "LB_HMAC_SECRET" in os.environ :
+            hmac_key = os.environ["LB_HMAC_KEY"]
+            hmac_secret = os.environ["LB_HMAC_SECRET"]
+        else :
+            print("LB_HMAC_KEY and LB_HMAC_SECRET env variables must be set")
+            exit(1)
+        conn = api.hmac(hmac_key, hmac_secret)
 
-arg_count = len(sys.argv)
-max_records = -1
-if arg_count == 2:
-    # print("A max count of", sys.argv[1] ,"has been provided")
-    max_records = int(sys.argv[1])
+        exported_count = 0
 
+        # print("About to call the API for the first time")
+        params = {'order_by': ['-closed_at'], 'fields': 'released_at,contact_id,amount, closed_at, canceled_at'}
+        api_res = conn.call('GET', '/api/dashboard/released/seller/', params = params).json()
 
-if "LB_HMAC_KEY" in os.environ and "LB_HMAC_SECRET" in os.environ :
-    hmac_key = os.environ["LB_HMAC_KEY"]
-    hmac_secret = os.environ["LB_HMAC_SECRET"]
-else :
-    print("LB_HMAC_KEY and LB_HMAC_SECRET env variables must be set")
-    exit(1)
+        trades = api_res["data"]["contact_list"]
+        next_page_available = True
 
-conn = api.hmac(hmac_key, hmac_secret)
+        data_to_export = []
+        interrupt = False
+        while next_page_available == True and interrupt == False :
+            # import pdb; pdb.set_trace()
 
-exported_count = 0
+            for trade in trades:
+                data = trade["data"]
+                data_to_export.append(
+                    [
+                        data["released_at"],
+                        str(data["contact_id"]),
+                        data["amount"]
+                    ]
+                )
+                exported_count = exported_count + 1
+                if max_records != -1 and exported_count == max_records:
+                    print("We've reached the max records to export at:" + str(exported_count))
+                    interrupt = True
+                    break
 
-# print("About to call the API for the first time")
-params = {'order_by': ['-closed_at'], 'fields': 'released_at,contact_id,amount, closed_at, canceled_at'}
-api_res = conn.call('GET', '/api/dashboard/released/seller/', params = params).json()
+            if interrupt == True:
+                break    
+            if "pagination" in api_res and "next" in api_res["pagination"] :
+                print("We have a next page")
+                pagination_data = urlparse(api_res["pagination"]["next"])
+                next_params = parse_qs(pagination_data.query)
+                api_res = conn.call('GET', '/api/dashboard/released/seller/', params = next_params).json()
+                trades = api_res["data"]["contact_list"]
+            else :
+                print("No next page available")
+                next_page_available = False
+        print("Writing to " + self.filename)
+        with open(self.filename, 'w', newline='') as csvfile:
+            tradeswriter = csv.writer(csvfile, delimiter=',',
+                                    quotechar='|', quoting=csv.QUOTE_MINIMAL)
+            for data in data_to_export:
+                tradeswriter.writerow(data)
 
-trades = api_res["data"]["contact_list"]
-next_page_available = True
+class LbExportCommand(pycommand.CommandBase):
+    '''An example of a basic CLI program'''
+    usagestr = 'usage: basic-example [options]'
+    description = __doc__
 
-while next_page_available == True :
-    # import pdb; pdb.set_trace()
+    optionList = (
+        ('help', ('h', False, 'show this help information')),
+        ('file', ('f', '<filename>', 'output to specified file')),
+        ('tradescount', ('n', '<count>', 'how many trades to output')),
+    )
 
-    for trade in trades:
-        data = trade["data"]
-        print(data["released_at"] + "," + str(data["contact_id"]) + "," + data["amount"])
+    def run(self):
+        if self.flags.help:
+            print(self.usage)
+            return 0
 
-        exported_count = exported_count + 1
-        if max_records != -1 and exported_count == max_records:
-            exit(0)
-    if "pagination" in api_res and "next" in api_res["pagination"] :
-        # print("We have a next page!")
-        pagination_data = urlparse(api_res["pagination"]["next"])
-        next_params = parse_qs(pagination_data.query)
-        api_res = conn.call('GET', '/api/dashboard/released/seller/', params = next_params).json()
-        trades = api_res["data"]["contact_list"]
-    else :
-        # print("No next page available!")
-        next_page_available = False
+        export = LbCsvExport()
+        if self.flags.file:
+            export.setFilename(self.flags.file)
+        if self.flags.tradescount:
+            export.setTradesToExportCount(self.flags.tradescount)
+
+        print("Starting exporting")
+        export.run()
+        print("Finished exporting")
+
+if __name__ == '__main__':
+    cmd = LbExportCommand(sys.argv[1:])
+    if cmd.error:
+        print('error: {0}'.format(cmd.error))
+        sys.exit(1)
+    else:
+        sys.exit(cmd.run())

requirements.txt

@@ -1 +1,2 @@
-lbcapi==1.0.3
+lbcapi==1.0.3
+pycommand==0.4.0