Mercurial > hg > GlobalNeighbors

annotate globalneighbors/locations.py @ 6:316e1d54ffd4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
move to jinja templates
author Jeff Hammel <k0scist@gmail.com>
date Sat, 24 Jun 2017 15:47:59 -0700
parents 5dba84370182
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
1 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
2 location data transformations
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
3 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
4
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
5 from .schema import primary_key
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
6 from .schema import name
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
7 from collections import OrderedDict
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
8
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
9
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
10 def locations(rows, key=primary_key):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
11 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
12 filter out just the location
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
13 returns a data structure like
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
14 {key: (lat, lon)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
15 ...}
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
16 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
17
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
18 return {row[key]: (row['latitude'], row['longitude'])
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
19 for row in rows}
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
20
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
21
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
22 def city_dict(rows, name=name):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
23 """return an ordered dict of cities"""
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
24
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
25 return OrderedDict([(row[name], row)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
26 for row in rows])
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
27