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1.1.0 (#1)

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- meta,docs: bump version
- docs: match final api
- code: add Localcode, Latlong, parse_query
- code: handle none locations
- code: implement more address detail tags from nominatim
- code: support shortcodes with localities
This commit is contained in:
Mark Joshwel 2023-06-03 10:26:40 +00:00
parent a61a80d8c1
commit 0995ef91f3
3 changed files with 252 additions and 39 deletions
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29
README.md
View file

@ -15,8 +15,8 @@ Plus Code to iOS-Shortcuts-like shareable text
- [Licence](#licence)
```text
$ surplus 6PH59R3J+R9
surplus version 1.0.0
$ surplus 9R3J+R9 Singapore
surplus version 1.1.0
Thomson Plaza
301 Upper Thomson Road, Bishan
574408
@ -67,7 +67,7 @@ pluscode to shareable text conversion function
```python
def surplus(
query: str | Localcode | Latlong,
reverser: Callable = Nominatim(user_agent="surplus").reverse,
reverser: typing.Callable = geopy.geocoders.Nominatim(user_agent="surplus").reverse,
debug: bool = False,
) -> tuple[bool, str]:
...
@ -80,16 +80,16 @@ pluscode to shareable text conversion function
surplus.Localcode - shortcode with locality (8QMF+FX Singapore)
surplus.Latlong - latlong
- `reverser: Callable = geopy.geocoders.Nominatim(user_agent="surplus").reverser`
latlong to data function, accesses a dict from .raw attribute of return object
function should be able to take a string with two floats
- `reverser: typing.Callable = geopy.geocoders.Nominatim(user_agent="surplus").reverser`
latlong to location function, accesses a dict from .raw attribute of return object
function should be able to take a string with two floats and return a `geopy.Location`-like object (None checking is done)
```python
# code used by surplus
location: dict[str, Any] = reverser(f"{lat}, {lon}").raw
```
dict should be similar to geopy's geocoder provider .raw dicts
dict should be similar to [nominatim raw dicts](https://nominatim.org/release-docs/latest/api/Output/#addressdetails)
- `debug: bool = False`
prints lat, long and reverser response dict to stderr
@ -110,9 +110,11 @@ function that parses a string Plus Code, local code or latlong into a str, surpl
- signature:
```python
def parse_query(query: str) -> tuple[bool, str | Localcode | Latlong]:
def parse_query(
query: str, debug: bool = False
) -> tuple[bool, str | Localcode | Latlong]:
```
- arguments:
- `query: str`
@ -147,9 +149,16 @@ method that calculates full-length Plus Code using locality
- signature:
```python
def full_length(self) -> tuple[bool, str]:
def full_length(
self, geocoder: Callable = Nominatim(user_agent="surplus").geocode
) -> tuple[bool, str]:
```
- arguments:
- `geocoder: typing.Callable = geopy.geocoders.Nominatim(user_agent="surplus").geocode`
place/locality to location function, accesses .longitude and .latitude if returned object is not None
- returns:
- `(True, <str>)`

2
pyproject.toml
View file

@ -1,6 +1,6 @@
[tool.poetry]
name = "surplus"
version = "1.0.0"
version = "1.1.0"
description = "Plus Code to iOS-Shortcuts-like shareable text"
authors = ["Mark Joshwel <mark@joshwel.co>"]
license = "Unlicence"

260
surplus.py
View file

@ -1,5 +1,5 @@
"""
surplus: plus code to iOS-Shortcuts-like shareable text
surplus: Plus Code to iOS-Shortcuts-like shareable text
-------------------------------------------------------
by mark <mark@joshwel.co>
@ -31,33 +31,97 @@ For more information, please refer to <http://unlicense.org/>
from argparse import ArgumentParser
from sys import stderr
from typing import Any, Callable, Final
from typing import Any, Callable, Final, NamedTuple
from geopy import Location # type: ignore
from geopy.geocoders import Nominatim # type: ignore
from pluscodes import PlusCode # type: ignore
from pluscodes.openlocationcode import recoverNearest # type: ignore
from pluscodes.validator import Validator # type: ignore
VERSION: Final[tuple[int, int, int]] = (1, 0, 0)
VERSION: Final[tuple[int, int, int]] = (1, 1, 0)
class Localcode(NamedTuple):
"""
typing.NamedTuple representing short Plus Code with locality
code: str
Plus Code - e.g.: "8QMF+FX"
locality: str
e.g.: "Singapore"
"""
code: str
locality: str
def full_length(
self, geocoder: Callable = Nominatim(user_agent="surplus").geocode
) -> tuple[bool, str]:
"""
method that calculates full-length Plus Code using locality
geocoder: typing.Callable = geopy.geocoders.Nominatim(user_agent="surplus").geocode
place/locality to location function, accesses .longitude and .latitude if
returned object is not None
returns tuple[bool, str]
(True, <str>) - conversion was successful, str is resultant Plus Code
(False, <str>) - conversion failed, str is error message
"""
location: Location | None = geocoder(self.locality)
lat: float = 0.0
lon: float = 0.0
if location is None:
return False, f"no coordinates found for '{self.locality}'"
recv_pcode = recoverNearest(
code=self.code,
referenceLongitude=location.longitude,
referenceLatitude=location.latitude,
)
return True, recv_pcode
class Latlong(NamedTuple):
"""
typing.NamedTuple representing a pair of latitude and longitude coordinates
lat: float
latitudinal coordinate
long: float
longitudinal coordinate
"""
lat: float
long: float
def surplus(
pluscode: str,
query: str | Localcode | Latlong,
reverser: Callable = Nominatim(user_agent="surplus").reverse,
debug: bool = False,
) -> tuple[bool, str]:
"""
pluscode to shareable text conversion function
pluscode: str
pluscode as a string
query: str | surplus.Localcode | surplus.Latlong
str - normal longcode (6PH58QMF+FX)
surplus.Localcode - shortcode with locality (8QMF+FX Singapore)
surplus.Latlong - latlong
reverser: Callable = Nominatim(user_agent="surplus").reverser
reverser: typing.Callable = geopy.geocoders.Nominatim(user_agent="surplus").reverser
latlong to data function, accesses a dict from .raw attribute of return object
function should be able to take a string with two floats
function should be able to take a string with two floats and return a
geopy.Location-like object (None checking is done)
# code used by surplus
location: dict[str, Any] = reverser(f"{lat}, {lon}").raw
dict should be similar to geopy's geocoder provider .raw dicts
dict should be similar to nominatim raw dicts, see
<https://nominatim.org/release-docs/latest/api/Output/#addressdetails>
debug: bool = False
prints lat, long and reverser response dict to stderr
@ -66,22 +130,55 @@ def surplus(
(True, <str>) - conversion was successful, str is resultant text
(False, <str>) - conversion failed, str is error message
"""
try:
pcode = PlusCode(pluscode)
except KeyError:
return (
False,
"enter full-length plus code including area code, e.g.: 6PH58QMF+FX",
)
lat: float = 0.0
lon: float = 0.0
lat: float = pcode.area.center().lat
lon: float = pcode.area.center().lon
if isinstance(query, Latlong):
lat, lon = query.lat, query.long
if debug:
stderr.write(f"debug: {lat=}, {lon=}\n")
else: # instances: str | Localcode
str_pcode: str = ""
if isinstance(query, Localcode):
result = query.full_length()
if not result[0]:
return False, result[1]
str_pcode = result[1]
else:
str_pcode = query
try:
pcode = PlusCode(str_pcode)
except KeyError:
return (
False,
"enter full-length Plus Code including area code, e.g.: 6PH58QMF+FX",
)
except Exception as pcderr:
return (
False,
f"error while decoding Plus Code: {pcderr.__class__.__name__} - {pcderr}",
)
lat = pcode.area.center().lat
lon = pcode.area.center().lon
if debug:
stderr.write(f"debug: {lat=}, {lon=}\n")
try:
location: dict[str, Any] = reverser(f"{lat}, {lon}").raw
_reversed: Location | None = reverser(f"{lat}, {lon}")
if _reversed is None:
raise Exception(f"reverser function returned None")
location: dict[str, Any] = _reversed.raw
except Exception as reverr:
return (
False,
@ -92,7 +189,21 @@ def surplus(
stderr.write(f"debug: {location=}\n")
data: list[str] = [
location["address"].get("shop"),
(
",".join(
[
location["address"].get(detail, "")
for detail in (
"emergency, historic, military, natural, landuse, place, railway,"
"man_made, aerialway, boundary, amenity, aeroway, club, craft,"
"leisure, office, mountain_pass, shop, tourism, bridge, tunnel, waterway"
).split(", ")
]
)
).strip(","),
# location["address"].get("leisure"),
# location["address"].get("shop"),
# location["address"].get("railway"),
location["address"].get("building"),
location["address"].get("highway"),
(
@ -116,15 +227,96 @@ def surplus(
return True, "\n".join([d for d in data if ((d != None) and d != "")])
def parse_query(
query: str, debug: bool = False
) -> tuple[bool, str | Localcode | Latlong]:
"""
function that parses a string Plus Code, local code or latlong into a str,
surplus.Localcode or surplus.Latlong respectively
query: str
string Plus Code, local code or latlong
debug: bool = False
prints query parsing information to stderr
returns tuple[bool, str | Localcode | Latlong]
(True, <str | Localcode | Latlong>) - conversion was successful, second element is result
(False, <str>) - conversion failed, str is error message
"""
def _word_match(
oquery: str, squery: list[str]
) -> tuple[bool, str | Localcode | Latlong]:
"""
internal helper code reuse function
looks through each 'word' and attempts to match to a Plus Code
if found, remove from original query and strip of whitespace and commas
use resulting stripped query as locality
"""
pcode: str = ""
for word in squery:
if Validator().is_valid(word):
pcode = word
if Validator().is_full(word):
return True, word
if pcode != "": # found a pluscode
locality = oquery.replace(pcode, "")
locality = locality.strip().strip(",").strip()
return True, Localcode(code=pcode, locality=locality)
return False, "unable to find a pluscode/match to a format"
squery = [word.strip(",").strip() for word in query.split()]
if debug:
stderr.write(f"debug: {squery=}\n")
match squery:
# attempt to match to conjoined latlong ('lat,long')
case [a]:
try:
plat, plong = a.split(",")
lat = float(plat)
long = float(plong)
except ValueError:
return _word_match(oquery=query, squery=squery)
else:
return True, Latlong(lat=lat, long=long)
# attempt to match to latlong ('lat, long')
case [a, b]:
try:
lat = float(a)
long = float(b)
except ValueError:
return _word_match(oquery=query, squery=squery)
else:
return True, Latlong(lat=lat, long=long)
case _:
return _word_match(oquery=query, squery=squery)
def cli() -> None:
parser = ArgumentParser(
prog="surplus",
description=__doc__[__doc__.find(":") + 2 : __doc__.find("\n", 1)],
)
parser.add_argument(
"pluscode",
"query",
type=str,
help="full-length plus code including area code, e.g.: 6PH58QMF+FX",
help="full-length Plus Code (6PH58QMF+FX), local code (8QMF+FX Singapore), or latlong (1.3336875, 103.7749375)",
nargs="+",
)
parser.add_argument(
"-d",
@ -135,12 +327,24 @@ def cli() -> None:
)
args = parser.parse_args()
stderr.write(f"surplus version {'.'.join([str(v) for v in VERSION])}\n")
stderr.write(
f"surplus version {'.'.join([str(v) for v in VERSION])}"
+ (f", debug mode" if args.debug else "")
+ "\n"
)
result: tuple[bool, str] = surplus(args.pluscode, debug=args.debug)
if result[0] is False:
if args.debug:
stderr.write("debug: args.query='" + " ".join(args.query) + "'\n")
query = parse_query(" ".join(args.query), debug=args.debug)
if not query[0]:
stderr.write(f"{query[-1]}\n")
exit(1)
result: tuple[bool, str] = surplus(query[-1], debug=args.debug)
if not result[0]:
stderr.write(f"{result[-1]}\n")
exit(-1)
exit(2)
print(result[-1])