ENH Add command line option for printing algo on stdout, default is false.

docs/release-notes/zipline-0.8.0.md

@@ -78,10 +78,10 @@ data[security].stddev(3)
   >
   # take half of my available cash and buy AAPL
   order_percent('AAPL', 0.5, percent_of='cash')
-  > 
+  >
   # rebalance my short position, as a percentage of my current short book
   order_target_percent('MSFT', 0.1, percent_of='shorts')
-  > 
+  >
   # rebalance within a custom group of stocks
   tech_stocks = ('AAPL', 'MSFT', 'GOOGL')
   tech_filter = lambda p: p.sid in tech_stocks
@@ -91,6 +91,8 @@ data[security].stddev(3)
 
 ### Major performance enhancements to history (by Dale Jung) [PR488](https://github.com/quantopian/zipline/commit/38e8d5214d46f089020703712dc6b3f4f6ee084d)
 
+### Command line option to for printing algo to stdout (by Andrea D'Amore) [PR545](https://github.com/quantopian/zipline/pull/545)
+
 ## Contributors
 
 The following people have contributed to this release, ordered by numbers of commit:
@@ -112,4 +114,5 @@ The following people have contributed to this release, ordered by numbers of com
      1  Mete Atamel
      1  Nicholas Pezolano
      1  Philipp Kosel
+     1  Andrea D'Amore
 ```

scripts/run_algo.py

@@ -22,5 +22,5 @@ from zipline.utils import parse_args, run_pipeline
 if __name__ == "__main__":
     logbook.StderrHandler().push_application()
     parsed = parse_args(sys.argv[1:])
-    run_pipeline(print_algo=True, **parsed)
+    run_pipeline(**parsed)
     sys.exit(0)

zipline/utils/cli.py

@@ -100,12 +100,17 @@ def parse_args(argv, ipython_mode=False):
     parser.add_argument('--start', '-s')
     parser.add_argument('--end', '-e')
     parser.add_argument('--capital_base')
-    parser.add_argument('--source', '-d')
+    parser.add_argument('--source', '-d', choices=('yahoo',))
     parser.add_argument('--source_time_column', '-t')
     parser.add_argument('--symbols')
     parser.add_argument('--output', '-o')
     parser.add_argument('--metadata_path', '-m')
     parser.add_argument('--metadata_index', '-x')
+    parser.add_argument('--print-algo', '-p', dest='print_algo',
+                        action='store_true')
+    parser.add_argument('--no-print-algo', '-q', dest='print_algo',
+                        action='store_false')
+
     if ipython_mode:
         parser.add_argument('--local_namespace', action='store_true')