Remove None from param types and add (Optional).

This runs a script to remove None from the types for parameters, and
added (Optional) to the description. Does not pass lint due to some
too-long lines. I will clean those up manually.

See:
#2580 (review)

packages/google-cloud-monitoring/google/cloud/monitoring/_dataframe.py

@@ -34,9 +34,9 @@ def _build_dataframe(time_series_iterable,
     :param time_series_iterable:
         An iterable (e.g., a query object) yielding time series.
 
-    :type label: str or None
+    :type label: str
     :param label:
-        The label name to use for the dataframe header. This can be the name
+        (Optional) The label name to use for the dataframe header. This can be the name
         of a resource label or metric label (e.g., ``"instance_name"``), or
         the string ``"resource_type"``.
 

packages/google-cloud-monitoring/google/cloud/monitoring/client.py

@@ -88,8 +88,8 @@ def query(self,
             demonstration purposes and is subject to change. See the
             `supported metrics`_.
 
-        :type end_time: :class:`datetime.datetime` or None
-        :param end_time: The end time (inclusive) of the time interval
+        :type end_time: :class:`datetime.datetime`
+        :param end_time: (Optional) The end time (inclusive) of the time interval
             for which results should be returned, as a datetime object.
             The default is the start of the current minute.
 
@@ -362,13 +362,13 @@ def list_metric_descriptors(self, filter_string=None, type_prefix=None):
             ...         type_prefix='custom.'):
             ...     print(descriptor.type)
 
-        :type filter_string: str or None
+        :type filter_string: str
         :param filter_string:
-            An optional filter expression describing the metric descriptors
+            (Optional) An optional filter expression describing the metric descriptors
             to be returned. See the `filter documentation`_.
 
-        :type type_prefix: str or None
-        :param type_prefix: An optional prefix constraining the selected
+        :type type_prefix: str
+        :param type_prefix: (Optional) An optional prefix constraining the selected
             metric types. This adds ``metric.type = starts_with("<prefix>")``
             to the filter.
 
@@ -408,9 +408,9 @@ def list_resource_descriptors(self, filter_string=None):
             >>> for descriptor in client.list_resource_descriptors():
             ...     print(descriptor.type)
 
-        :type filter_string: str or None
+        :type filter_string: str
         :param filter_string:
-            An optional filter expression describing the resource descriptors
+            (Optional) An optional filter expression describing the resource descriptors
             to be returned. See the `filter documentation`_.
 
         :rtype: list of
@@ -430,21 +430,21 @@ def group(self, group_id=None, display_name=None, parent_id=None,
           This will not make an HTTP request; it simply instantiates
           a group object owned by this client.
 
-        :type group_id: str or None
-        :param group_id: The ID of the group.
+        :type group_id: str
+        :param group_id: (Optional) The ID of the group.
 
-        :type display_name: str or None
+        :type display_name: str
         :param display_name:
-            A user-assigned name for this group, used only for display
+            (Optional) A user-assigned name for this group, used only for display
             purposes.
 
-        :type parent_id: str or None
+        :type parent_id: str
         :param parent_id:
-            The ID of the group's parent, if it has one.
+            (Optional) The ID of the group's parent, if it has one.
 
-        :type filter_string: str or None
+        :type filter_string: str
         :param filter_string:
-            The filter string used to determine which monitored resources
+            (Optional) The filter string used to determine which monitored resources
             belong to this group.
 
         :type is_cluster: bool

packages/google-cloud-monitoring/google/cloud/monitoring/group.py

@@ -41,8 +41,8 @@ def _group_id_from_name(path, project=None):
     :type path: str
     :param path: URI path for a group API request.
 
-    :type project: str or None
-    :param project: The project associated with the request. It is
+    :type project: str
+    :param project: (Optional) The project associated with the request. It is
                     included for validation purposes.
 
     :rtype: str
@@ -76,20 +76,20 @@ class Group(object):
     :type client: :class:`google.cloud.monitoring.client.Client`
     :param client: A client for operating on the metric descriptor.
 
-    :type group_id: str or None
-    :param group_id: The ID of the group.
+    :type group_id: str
+    :param group_id: (Optional) The ID of the group.
 
-    :type display_name: str or None
+    :type display_name: str
     :param display_name:
-        A user-assigned name for this group, used only for display purposes.
+        (Optional) A user-assigned name for this group, used only for display purposes.
 
-    :type parent_id: str or None
+    :type parent_id: str
     :param parent_id:
-        The ID of the group's parent, if it has one.
+        (Optional) The ID of the group's parent, if it has one.
 
-    :type filter_string: str or None
+    :type filter_string: str
     :param filter_string:
-        The filter string used to determine which monitored resources belong to
+        (Optional) The filter string used to determine which monitored resources belong to
         this group.
 
     :type is_cluster: bool
@@ -296,21 +296,21 @@ def list_members(self, filter_string=None, end_time=None, start_time=None):
             ...     print(member)
 
 
-        :type filter_string: str or None
+        :type filter_string: str
         :param filter_string:
-            An optional list filter describing the members to be returned. The
+            (Optional) An optional list filter describing the members to be returned. The
             filter may reference the type, labels, and metadata of monitored
             resources that comprise the group. See the `filter documentation`_.
 
-        :type end_time: :class:`datetime.datetime` or None
+        :type end_time: :class:`datetime.datetime`
         :param end_time:
-            The end time (inclusive) of the time interval for which results
+            (Optional) The end time (inclusive) of the time interval for which results
             should be returned, as a datetime object. If ``start_time`` is
             specified, then this must also be specified.
 
-        :type start_time: :class:`datetime.datetime` or None
+        :type start_time: :class:`datetime.datetime`
         :param start_time:
-            The start time (exclusive) of the time interval for which results
+            (Optional) The start time (exclusive) of the time interval for which results
             should be returned, as a datetime object.
 
         :rtype: list of :class:`~google.cloud.monitoring.resource.Resource`
@@ -386,19 +386,19 @@ def _list(cls, client, children_of_group=None, ancestors_of_group=None,
         :type client: :class:`google.cloud.monitoring.client.Client`
         :param client: The client to use.
 
-        :type children_of_group: str or None
+        :type children_of_group: str
         :param children_of_group:
-            Returns groups whose parent_name field contains the group name. If
+            (Optional) Returns groups whose parent_name field contains the group name. If
             no groups have this parent, the results are empty.
 
-        :type ancestors_of_group: str or None
+        :type ancestors_of_group: str
         :param ancestors_of_group:
-            Returns groups that are ancestors of the specified group. If the
+            (Optional) Returns groups that are ancestors of the specified group. If the
             specified group has no immediate parent, the results are empty.
 
-        :type descendants_of_group: str or None
+        :type descendants_of_group: str
         :param descendants_of_group:
-            Returns the descendants of the specified group. This is a superset
+            (Optional) Returns the descendants of the specified group. This is a superset
             of the results returned by the children_of_group filter, and
             includes children-of-children, and so forth.
 

packages/google-cloud-monitoring/google/cloud/monitoring/metric.py

@@ -102,9 +102,9 @@ class MetricDescriptor(object):
     :type display_name: str
     :param display_name: An optional concise name for the metric.
 
-    :type name: str or None
+    :type name: str
     :param name:
-        The "resource name" of the metric descriptor. For example:
+        (Optional) The "resource name" of the metric descriptor. For example:
         ``"projects/<project_id>/metricDescriptors/<type>"``. As
         retrieved from the service, this will always be specified.
         You can and should omit it when constructing an instance for
@@ -198,13 +198,13 @@ def _list(cls, client, filter_string=None, type_prefix=None):
         :type client: :class:`google.cloud.monitoring.client.Client`
         :param client: The client to use.
 
-        :type filter_string: str or None
+        :type filter_string: str
         :param filter_string:
-            An optional filter expression describing the metric descriptors
+            (Optional) An optional filter expression describing the metric descriptors
             to be returned. See the `filter documentation`_.
 
-        :type type_prefix: str or None
-        :param type_prefix: An optional prefix constraining the selected
+        :type type_prefix: str
+        :param type_prefix: (Optional) An optional prefix constraining the selected
             metric types. This adds ``metric.type = starts_with("<prefix>")``
             to the filter.
 

packages/google-cloud-monitoring/google/cloud/monitoring/query.py

@@ -86,8 +86,8 @@ class Query(object):
         demonstration purposes and is subject to change. See the
         `supported metrics`_.
 
-    :type end_time: :class:`datetime.datetime` or None
-    :param end_time: The end time (inclusive) of the time interval
+    :type end_time: :class:`datetime.datetime`
+    :param end_time: (Optional) The end time (inclusive) of the time interval
         for which results should be returned, as a datetime object.
         The default is the start of the current minute.
 
@@ -179,8 +179,8 @@ def select_interval(self, end_time, start_time=None):
         :param end_time: The end time (inclusive) of the time interval
             for which results should be returned, as a datetime object.
 
-        :type start_time: :class:`datetime.datetime` or None
-        :param start_time: The start time (exclusive) of the time interval
+        :type start_time: :class:`datetime.datetime`
+        :param start_time: (Optional) The start time (exclusive) of the time interval
             for which results should be returned, as a datetime object.
             If not specified, the interval is a point in time.
 
@@ -446,9 +446,9 @@ def iter(self, headers_only=False, page_size=None):
         :param headers_only:
              Whether to omit the point data from the time series objects.
 
-        :type page_size: int or None
+        :type page_size: int
         :param page_size:
-            An optional positive number specifying the maximum number of
+            (Optional) An optional positive number specifying the maximum number of
             points to return per page. This can be used to control how far
             the iterator reads ahead.
 
@@ -510,11 +510,11 @@ def _build_query_params(self, headers_only=False,
              Whether to omit the point data from the
              :class:`~google.cloud.monitoring.timeseries.TimeSeries` objects.
 
-        :type page_size: int or None
-        :param page_size: A limit on the number of points to return per page.
+        :type page_size: int
+        :param page_size: (Optional) A limit on the number of points to return per page.
 
-        :type page_token: str or None
-        :param page_token: A token to continue the retrieval.
+        :type page_token: str
+        :param page_token: (Optional) A token to continue the retrieval.
         """
         yield 'filter', self.filter
 
@@ -575,8 +575,8 @@ def as_dataframe(self, label=None, labels=None):
             dataframe = query.as_dataframe(
                 labels=['resource_type', 'instance_id'])
 
-        :type label: str or None
-        :param label: The label name to use for the dataframe header.
+        :type label: str
+        :param label: (Optional) The label name to use for the dataframe header.
             This can be the name of a resource label or metric label
             (e.g., ``"instance_name"``), or the string ``"resource_type"``.
 

packages/google-cloud-monitoring/google/cloud/monitoring/resource.py

@@ -88,9 +88,9 @@ def _list(cls, client, filter_string=None):
         :type client: :class:`google.cloud.monitoring.client.Client`
         :param client: The client to use.
 
-        :type filter_string: str or None
+        :type filter_string: str
         :param filter_string:
-            An optional filter expression describing the resource descriptors
+            (Optional) An optional filter expression describing the resource descriptors
             to be returned. See the `filter documentation`_.
 
         :rtype: list of :class:`ResourceDescriptor`

packages/google-cloud-monitoring/google/cloud/monitoring/timeseries.py

@@ -179,8 +179,8 @@ class Point(collections.namedtuple('Point', 'end_time start_time value')):
     :type end_time: str
     :param end_time: The end time in RFC3339 UTC "Zulu" format.
 
-    :type start_time: str or None
-    :param start_time: An optional start time in RFC3339 UTC "Zulu" format.
+    :type start_time: str
+    :param start_time: (Optional) An optional start time in RFC3339 UTC "Zulu" format.
 
     :type value: object
     :param value: The metric value. This can be a scalar or a distribution.