Updating README and examples

Author: mvexel

README.md

@@ -21,31 +21,34 @@ api = overpass.API()
 response = api.get('node["name"="Salt Lake City"]')
 ```
 
-Note that you don't have to include any of the output meta statements.
-The wrapper will, well, wrap those.
-
-You will get your result as a dictionary, which represents the
+`response` will be a dictionary representing the
 JSON output you would get [from the Overpass API
-directly](https://overpass-api.de/output_formats.html#json). So you
-could do this for example:
+directly](https://overpass-api.de/output_formats.html#json). 
+
+Note that the Overpass query passed to `get()` should not contain any `out` or other meta statements.
+
+Another example:
 
 ```python
 print [(feature['tags']['name'], feature['id']) for feature in response['elements']]
 [(u'Salt Lake City', 150935219), (u'Salt Lake City', 585370637), (u'Salt Lake City', 1615721573)]
 ```
 
-You can specify the format of the response. By default, you will get GeoJSON using the `responseformat` parameter. Alternatives are plain JSON (`json`) and OSM XML (`xml`), as ouput directly by the Overpass API.
+You can find more examples in the `examples/` directory of this repository.
+
+### Response formats
+
+You can set the response type of your query using `get()`'s `responseformat` parameter to GeoJSON (`geojson`, the default), plain JSON (`json`), CSV (`csv`), and OSM XML (`xml`).
 
 ```python
 response = api.get('node["name"="Salt Lake City"]', responseformat="xml")
 ```
 
 ### Parameters
 
-
 The API object takes a few parameters:
 
-#### endpoint
+#### `endpoint`
 
 The default endpoint is `https://overpass-api.de/api/interpreter` but
 you can pass in another instance:
@@ -54,7 +57,7 @@ you can pass in another instance:
 api = overpass.API(endpoint=https://overpass.myserver/interpreter)
 ```
 
-#### timeout
+#### `timeout`
 
 The default timeout is 25 seconds, but you can set it to whatever you
 want.
@@ -63,13 +66,13 @@ want.
 api = overpass.API(timeout=600)
 ```
 
-#### debug
+#### `debug`
 
 Setting this to `True` will get you debug output.
 
 ### Simple queries
 
-In addition to just send your query and parse the result, the wrapper
+In addition to just sending your query and parse the result, the wrapper
 provides shortcuts for often used map queries. To use them, just pass
 them like to normal query to the API.
 
@@ -98,7 +101,7 @@ response = api.get(WayQuery)
 
 ## Testing
 
-Using `nose`.
+Using `pytest`.
 
 `py.test`
 
@@ -111,4 +114,4 @@ issue](https://github.com/mvexel/overpass-api-python-wrapper/issues).
 
 ### Where did the CLI tool go?
 
-I decided that it does not belong in this repo. If you still want it, get version 0.4.0 or below.
+The command line tool was deprecated in version 0.4.0.

examples/turn_restriction_relations_as_list.py

@@ -1,10 +1,11 @@
 #!/usr/bin/env python3
 
+# Retrieves a list of turn restriction relations in Toronto.
+
 import overpass
 
 api = overpass.API()
 
-# Turn restrictions in Toronto
 turn_restrictions_query = "relation[type=restriction](area:3600324211)"
 
 turn_restrictions_list = []
@@ -15,10 +16,3 @@
     verbosity='meta')
 
 print(overpass_response)
-# reader = csv.reader(response)
-# turn_restrictions_list = list(reader)
-
-for row in overpass_response.split('\n'):
-    turn_restrictions_list.append([elem for elem in row.split('\t')])
-
-print(turn_restrictions_list)

examples/unique_users_for_area.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+
+# Retrieves a list of unique usernames and user IDs for a named area.
+
+import overpass
+
+area_name = "Kanab"
+
+query = """area[name="{}"]->.slc;(node(area.slc);<;);""".format(area_name)
+
+users = {"ids": [], "usernames": []}
+api = overpass.API(debug=False)
+result = api.Get(
+    query,
+    responseformat="csv(::uid,::user)",
+    verbosity="meta")
+del result[0]  # header
+for row in result:
+    uid = int(row[0])
+    username = row[1]
+    if uid in users["ids"]:
+        continue
+    users["ids"].append(uid)
+    users["usernames"].append(username)
+print(users)