MAINT: Rename restrictions.py to asset_restrictions.py

For clarity as to what sort of restrictions these are

zipline/_protocol.pyx

@@ -153,7 +153,7 @@ cdef class BarData:
     data_frequency : {'minute', 'daily'}
         The frequency of the bar data; i.e. whether the data is
         daily or minute bars
-    restrictions : zipline.finance.restrictions.Restrictions
+    restrictions : zipline.finance.asset_restrictions.Restrictions
         Object that combines and returns restricted list information from
         multiple sources
     universe_func : callable, optional

zipline/algorithm.py

@@ -76,13 +76,13 @@ from zipline.finance.execution import (
     StopOrder,
 )
 from zipline.finance.performance import PerformanceTracker
-from zipline.finance.restrictions import Restrictions
+from zipline.finance.asset_restrictions import Restrictions
 from zipline.finance.slippage import (
     VolumeShareSlippage,
     SlippageModel
 )
 from zipline.finance.cancel_policy import NeverCancel, CancelPolicy
-from zipline.finance.restrictions import (
+from zipline.finance.asset_restrictions import (
     NoRestrictions,
     StaticRestrictions,
     SecurityListRestrictions,
@@ -2185,8 +2185,8 @@ class TradingAlgorithm(object):
         else:
             warnings.warn(
                 "`set_do_not_order_list(container_of_assets)` is deprecated. "
-                "Create a zipline.finance.restrictions.StaticRestrictions "
-                "object with a container of assets and use "
+                "Create a zipline.finance.asset_restrictions."
+                "StaticRestrictions object with a container of assets and use "
                 "`set_asset_restrictions(StaticRestrictions("
                 "container_of_assets))` instead.",
                 category=ZiplineDeprecationWarning,
@@ -2211,7 +2211,7 @@ class TradingAlgorithm(object):
 
         See Also
         --------
-        zipline.finance.restrictions.Restrictions
+        zipline.finance.asset_restrictions.Restrictions
         """
         control = RestrictedListOrder(on_error, restrictions)
         self.register_trading_control(control)

zipline/api.py

@@ -16,12 +16,11 @@
 # Note that part of the API is implemented in TradingAlgorithm as
 # methods (e.g. order). These are added to this namespace via the
 # decorator ``api_method`` inside of algorithm.py.
-from .finance.restrictions import (
+from .finance.asset_restrictions import (
     Restriction,
     StaticRestrictions,
     HistoricalRestrictions,
     RESTRICTION_STATES,
-    SecurityListRestrictions,
 )
 from .finance import commission, execution, slippage, cancel_policy
 from .finance.cancel_policy import (
@@ -47,7 +46,6 @@ __all__ = [
     'StaticRestrictions',
     'HistoricalRestrictions',
     'RESTRICTION_STATES',
-    'SecurityListRestrictions',
     'cancel_policy',
     'commission',
     'date_rules',

zipline/finance/controls.py

@@ -137,7 +137,7 @@ class RestrictedListOrder(TradingControl):
 
     Parameters
     ----------
-    restrictions : zipline.finance.restrictions.Restrictions
+    restrictions : zipline.finance.asset_restrictions.Restrictions
         Object representing restrictions of a group of assets.
     """
 

zipline/testing/fixtures.py

@@ -36,7 +36,7 @@ from ..utils.classproperty import classproperty
 from ..utils.final import FinalMeta, final
 from .core import tmp_asset_finder, make_simple_equity_info
 from zipline.assets import Equity, Future
-from zipline.finance.restrictions import NoRestrictions
+from zipline.finance.asset_restrictions import NoRestrictions
 from zipline.pipeline import SimplePipelineEngine
 from zipline.pipeline.loaders.testing import make_seeded_random_loader
 from zipline.protocol import BarData

zipline/utils/security_list.py

@@ -8,7 +8,7 @@ import pytz
 import zipline
 
 from zipline.errors import SymbolNotFound
-from zipline.finance.restrictions import SecurityListRestrictions
+from zipline.finance.asset_restrictions import SecurityListRestrictions
 from zipline.zipline_warnings import ZiplineDeprecationWarning