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geocode.rs
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static USAGE: &str = r#"
Geocodes a location in CSV data against an updatable local copy of the Geonames cities index.
When you run the command for the first time, it will download a prebuilt Geonames cities
index from the qsv GitHub repo and use it going forward. You can operate on the local
index using the index-* subcommands.
By default, the prebuilt index uses the Geonames Gazeteer cities15000.zip file using
English names. It contains cities with populations > 15,000 (about ~26k cities).
See https://download.geonames.org/export/dump/ for more information.
It has seven major subcommands:
* suggest - given a partial City name, return the closest City's location metadata
per the local Geonames cities index (Jaro-Winkler distance)
* suggestnow - same as suggest, but using a partial City name from the command line,
instead of CSV data.
* reverse - given a WGS-84 location coordinate, return the closest City's location
metadata per the local Geonames cities index.
(Euclidean distance - shortest distance "as the crow flies")
* reversenow - sames as reverse, but using a coordinate from the command line,
instead of CSV data.
* countryinfo - returns the country information for the ISO-3166 2-letter country code
(e.g. US, CA, MX, etc.)
* countryinfonow - same as countryinfo, but using a country code from the command line,
instead of CSV data.
* index-* - operations to update the local Geonames cities index.
(index-check, index-update, index-load & index-reset)
SUGGEST
Suggest a Geonames city based on a partial city name. It returns the closest Geonames
city record based on the Jaro-Winkler distance between the partial city name and the
Geonames city name.
The geocoded information is formatted based on --formatstr, returning it in
'%location' format (i.e. "(lat, long)") if not specified.
Use the --new-column option if you want to keep the location column:
Examples:
Geocode file.csv city column and set the geocoded value to a new column named lat_long.
$ qsv geocode suggest city --new-column lat_long file.csv
Limit suggestions to the US, Canada and Mexico.
$ qsv geocode suggest city --country us,ca,mx file.csv
Limit suggestions to New York State and California, with matches in New York state
having higher priority as its listed first.
$ qsv geocode suggest city --country us --admin1 "New York,US.CA" file.csv
If we use admin1 codes, we can omit --country as it will be inferred from the admin1 code prefix.
$ qsv geocode suggest city --admin1 "US.NY,US.CA" file.csv
Geocode file.csv city column with --formatstr=%state and set the
geocoded value a new column named state.
$ qsv geocode suggest city --formatstr %state --new-column state file.csv
Use dynamic formatting to create a custom format.
$ qsv geocode suggest city -f "{name}, {admin1}, {country} in {timezone}" file.csv
# using French place names. You'll need to rebuild the index with the --languages option first
$ qsv geocode suggest city -f "{name}, {admin1}, {country} in {timezone}" -l fr file.csv
SUGGESTNOW
Accepts the same options as suggest, but does not require an input file.
Its default format is more verbose - "{name}, {admin1} {country}: {latitude}, {longitude}"
$ qsv geocode suggestnow "New York"
$ qsv geocode suggestnow --country US -f %cityrecord "Paris"
$ qsv geocode suggestnow --admin1 "US:OH" "Athens"
REVERSE
Reverse geocode a WGS 84 coordinate to the nearest City. It returns the closest Geonames
city record based on the Euclidean distance between the coordinate and the nearest city.
It accepts "lat, long" or "(lat, long)" format.
The geocoded information is formatted based on --formatstr, returning it in
'%city-admin1' format if not specified.
Examples:
Reverse geocode file.csv LatLong column. Set the geocoded value to a new column named City.
$ qsv geocode reverse LatLong -c City file.csv
Reverse geocode file.csv LatLong column and set the geocoded value to a new column
named CityState, output to a file named file_with_citystate.csv.
$ qsv geocode reverse LatLong -c CityState file.csv -o file_with_citystate.csv
The same as above, but get the timezone instead of the city and state.
$ qsv geocode reverse LatLong -f %timezone -c tz file.csv -o file_with_tz.csv
REVERSENOW
Accepts the same options as reverse, but does not require an input file.
$ qsv geocode reversenow "40.71427, -74.00597"
$ qsv geocode reversenow --country US -f %cityrecord "40.71427, -74.00597"
$ qsv geocode reversenow --admin1 "US:OH" "(39.32924, -82.10126)"
COUNTRYINFO
Returns the country information for the specified ISO-3166 2-letter country code.
$ qsv geocode countryinfo country_col data.csv
$ qsv geocode countryinfo --formatstr "%json" country_col data.csv
$ qsv geocode countryinfo -f "%continent" country_col data.csv
$ qsv geocode countryinfo -f "{country_name} ({fips}) in {continent}" country_col data.csv
COUNTRYINFONOW
Accepts the same options as countryinfo, but does not require an input file.
$ qsv geocode countryinfonow US
$ qsv geocode countryinfonow --formatstr "%pretty-json" US
$ qsv geocode countryinfonow -f "%continent" US
$ qsv geocode countryinfonow -f "{country_name} ({fips}) in {continent}" US
INDEX-<operation>
Manage the local Geonames cities index used by the geocode command.
It has four operations:
* check - checks if the local Geonames index is up-to-date compared to the Geonames website.
returns the index file's metadata JSON to stdout.
* update - updates the local Geonames index with the latest changes from the Geonames website.
use this command judiciously as it downloads about ~200mb of data from Geonames
and rebuilds the index from scratch using the --languages option.
If you don't need a language other than English, use the index-load subcommand instead
as it's faster and will not download any data from Geonames.
* reset - resets the local Geonames index to the default prebuilt, English-only Geonames cities
index (cities15000) - downloading it from the qsv GitHub repo for the current qsv version.
* load - load a Geonames cities index from a file, making it the default index going forward.
If set to 500, 1000, 5000 or 15000, it will download the corresponding English-only
Geonames index bincode file from the qsv GitHub repo for the current qsv version.
Examples:
Update the Geonames cities index with the latest changes.
$ qsv geocode index-update
# or rebuild the index using the latest Geonames data
# with English, French, German & Spanish place names
$ qsv geocode index-update --languages en,fr,de,es
Load an alternative Geonames cities index from a file, making it the default index going forward.
$ qsv geocode index-load my_geonames_index.bincode
For more extensive examples, see https://github.com/jqnatividad/qsv/blob/master/tests/test_geocode.rs.
Usage:
qsv geocode suggest [--formatstr=<string>] [options] <column> [<input>]
qsv geocode suggestnow [options] <location>
qsv geocode reverse [--formatstr=<string>] [options] <column> [<input>]
qsv geocode reversenow [options] <location>
qsv geocode countryinfo [options] <column> [<input>]
qsv geocode countryinfonow [options] <location>
qsv geocode index-load <index-file>
qsv geocode index-check
qsv geocode index-update [--languages=<lang>] [--cities-url=<url>] [--force] [--timeout=<seconds>]
qsv geocode index-reset
qsv geocode --help
geocode arguments:
<input> The input file to read from. If not specified, reads from stdin.
<column> The column to geocode. Used by suggest, reverse & countryinfo subcommands.
For suggest, it must be a column with a City string pattern.
For reverse, it must be a column using WGS 84 coordinates in
"lat, long" or "(lat, long)" format.
For countryinfo, it must be a column with a ISO 3166-1 alpha-2 country code.
Note that you can use column selector syntax to select the column, but only
the first column will be used. See `select --help` for more information.
<location> The location to geocode for suggestnow, reversenow & countryinfonow subcommands.
For suggestnow, its a City string pattern.
For reversenow, it must be a WGS 84 coordinate.
For countryinfonow, it must be a ISO 3166-1 alpha-2 code.
<index-file> The alternate geonames index file to use. It must be a .bincode file.
For convenience, if this is set to 500, 1000, 5000 or 15000, it will download
the corresponding English-only Geonames index bincode file from the qsv GitHub repo
for the current qsv version and use it. Only used by the index-load subcommand.
geocode options:
-c, --new-column <name> Put the transformed values in a new column instead. Not valid when
using the '%dyncols:' --formatstr option.
-r, --rename <name> New name for the transformed column.
--country <country_list> The comma-delimited, case-insensitive list of countries to filter for.
Country is specified as a ISO 3166-1 alpha-2 (two-letter) country code.
https://en.wikipedia.org/wiki/ISO_3166-2
It is the topmost priority filter, and will be applied first. If multiple
countries are specified, they are matched in priority order.
For suggest, this will limit the search to the specified countries.
For reverse, this ensures that the returned city is in the specified
countries (especially when geocoding coordinates near country borders).
If the coordinate is outside the specified countries, the returned city
will be the closest city as the crow flies in the specified countries.
SUGGEST only options:
--min-score <score> The minimum Jaro-Winkler distance score.
[default: 0.8]
--admin1 <admin1_list> The comma-delimited, case-insensitive list of admin1s to filter for.
If all uppercase, it will be treated as an admin1 code (e.g. US.NY, JP.40, CN.23).
Otherwise, it will be treated as an admin1 name (e.g New York, Tokyo, Shanghai).
Requires the --country option. However, if all admin1 codes have the same
prefix (e.g. US.TX, US.NJ, US.CA), the country can be inferred from the
admin1 code (in this example - US), and the --country option is not required.
If specifying multiple admin1 filters, you can mix admin1 codes and names,
and they are matched in priority order.
Matches are made using a starts_with() comparison (i.e. "US" will match "US.NY",
"US.NJ", etc. for admin1 code. "New" will match "New York", "New Jersey",
"Newfoundland", etc. for admin1 name.)
admin1 is the second priority filter, and will be applied after country filters.
See https://download.geonames.org/export/dump/admin1CodesASCII.txt for
recognized admin1 codes/names.
REVERSE only option:
-k, --k_weight <weight> Use population-weighted distance for reverse subcommand.
(i.e. nearest.distance - k * city.population)
Larger values will favor more populated cities.
If not set (default), the population is not used and the
nearest city is returned.
-f, --formatstr=<string> The place format to use. It has three options:
1. Use one of the predefined formats.
2. Use dynamic formatting to create a custom format.
3. Use the special format "%dyncols:" to dynamically add multiple
columns to the output CSV using fields from a geocode result.
PREDEFINED FORMATS:
- '%city-state' - e.g. Brooklyn, New York
- '%city-country' - Brooklyn, US
- '%city-state-country' | '%city-admin1-country' - Brooklyn, New York US
- '%city-county-state' | '%city-admin2-admin1' - Brooklyn, Kings County, New York
- '%city' - Brooklyn
- '%state' | '%admin1' - New York
- "%county' | '%admin2' - Kings County
- '%country' - US
- '%country_name' - United States
- '%cityrecord' - returns the full city record as a string
- '%admin1record' - returns the full admin1 record as a string
- '%admin2record' - returns the full admin2 record as a string
- '%lat-long' - <latitude>, <longitude>
- '%location' - (<latitude>, <longitude>)
- '%id' - the Geonames ID
- '%capital' - the capital
- '%continent' - the continent (only valid for countryinfo subcommand)
- '%population' - the population
- '%timezone' - the timezone
- '%json' - the full city record as JSON
- '%pretty-json' - the full city record as pretty JSON
- '%+' - use the subcommand's default format.
suggest - '%location'
suggestnow - '{name}, {admin1} {country}: {latitude}, {longitude}'
reverse & reversenow - '%city-admin1-country'
countryinfo - '%country_name'
If an invalid format is specified, it will be treated as '%+'.
Note that when using the JSON predefined formats with the now subcommands,
the output will be valid JSON, as the "Location" header will be omitted.
DYNAMIC FORMATTING:
Alternatively, you can use dynamic formatting to create a custom format.
To do so, set the --formatstr to a dynfmt template, enclosing field names
in curly braces.
The following ten cityrecord fields are available:
id, name, latitude, longitude, country, admin1, admin2, capital,
timezone, population
Fifteen additional countryinfo field are also available:
iso3, fips, area, country_population, continent, tld, currency_code,
currency_name, phone, postal_code_format, postal_code_regex, languages,
country_geonameid, neighbours, equivalent_fips_code
For US places, two additional fields are available:
us_county_fips_code and us_state_fips_code
e.g. "City: {name}, State: {admin1}, Country: {country} {continent} - {languages}"
If an invalid template is specified, "Invalid dynfmt template" is returned.
Both predefined and dynamic formatting are cached. Subsequent calls
with the same result will be faster as it will use the cached result instead
of searching the Geonames index.
DYNAMIC COLUMNS ("%dyncols:") FORMATTING:
Finally, you can use the special format "%dyncols:" to dynamically add multiple
columns to the output CSV using fields from a geocode result.
To do so, set --formatstr to "%dyncols:" followed by a comma-delimited list
of key:value pairs enclosed in curly braces.
The key is the desired column name and the value is one of the same fields
available for dynamic formatting.
e.g. "%dyncols: {city_col:name}, {state_col:admin1}, {county_col:admin2}"
will add three columns to the output CSV named city_col, state_col & county_col.
Note that using "%dyncols:" will cause the the command to geocode EACH row without
using the cache, so it will be slower than predefined or dynamic formatting.
Also, countryinfo and countryinfonow subcommands currently do not support "%dyncols:".
[default: %+]
-l, --language <lang> The language to use when geocoding. The language is specified as a ISO 639-1 code.
Note that the Geonames index must have been built with the specified language
using the `index-update` subcommand with the --languages option.
If the language is not available, the first language in the index is used.
[default: en]
--invalid-result <string> The string to return when the geocode result is empty/invalid.
If not set, the original value is used.
-j, --jobs <arg> The number of jobs to run in parallel.
When not set, the number of jobs is set to the number of CPUs detected.
-b, --batch <size> The number of rows per batch to load into memory, before running in parallel.
Set to 0 to load all rows in one batch.
[default: 50000]
--timeout <seconds> Timeout for downloading Geonames cities index.
[default: 120]
--cache-dir <dir> The directory to use for caching the Geonames cities index.
If the directory does not exist, qsv will attempt to create it.
If the QSV_CACHE_DIR envvar is set, it will be used instead.
[default: ~/.qsv-cache]
INDEX-UPDATE only options:
--languages <lang-list> The comma-delimited, case-insensitive list of languages to use when building
the Geonames cities index.
The languages are specified as a comma-separated list of ISO 639-2 codes.
See https://download.geonames.org/export/dump/iso-languagecodes.txt to look up codes
and https://download.geonames.org/export/dump/alternatenames/ for the supported
language files. 253 languages are currently supported.
[default: en]
--cities-url <url> The URL to download the Geonames cities file from. There are several
available at https://download.geonames.org/export/dump/.
cities500.zip - cities with populations > 500; ~200k cities, 56mb
cities1000.zip - population > 1000; ~140k cities, 44mb
cities5000.zip - population > 5000; ~53k cities, 21mb
cities15000.zip - population > 15000; ~26k cities, 13mb
Note that the more cities are included, the larger the local index file will be,
lookup times will be slower, and the search results will be different.
For convenience, if this is set to 500, 1000, 5000 or 15000, it will be
converted to a geonames cities URL.
[default: https://download.geonames.org/export/dump/cities15000.zip]
--force Force update the Geonames cities index. If not set, qsv will check if there
are updates available at Geonames.org before updating the index.
Common options:
-h, --help Display this message
-o, --output <file> Write output to <file> instead of stdout.
-d, --delimiter <arg> The field delimiter for reading CSV data.
Must be a single character. (default: ,)
-p, --progressbar Show progress bars. Will also show the cache hit rate upon completion.
Not valid for stdin.
"#;
use std::{
collections::HashMap,
fs,
path::{Path, PathBuf},
};
use ahash::RandomState;
use cached::{proc_macro::cached, SizedCache};
use dynfmt::Format;
use geosuggest_core::{
storage::{self, IndexStorage},
CitiesRecord, CountryRecord, Engine,
};
use geosuggest_utils::{IndexUpdater, IndexUpdaterSettings, SourceItem};
use indicatif::{ProgressBar, ProgressDrawTarget};
use log::info;
use phf::phf_map;
use rayon::{
iter::{IndexedParallelIterator, ParallelIterator},
prelude::IntoParallelRefIterator,
};
use regex::Regex;
use serde::Deserialize;
use serde_json::json;
use simple_expand_tilde::expand_tilde;
use tempfile::tempdir;
use url::Url;
use uuid::Uuid;
use crate::{
clitypes::CliError,
config::{Config, Delimiter},
regex_oncelock,
select::SelectColumns,
util,
util::replace_column_value,
CliResult,
};
#[derive(Deserialize)]
struct Args {
arg_column: String,
arg_location: String,
cmd_suggest: bool,
cmd_suggestnow: bool,
cmd_reverse: bool,
cmd_reversenow: bool,
cmd_countryinfo: bool,
cmd_countryinfonow: bool,
cmd_index_check: bool,
cmd_index_update: bool,
cmd_index_load: bool,
cmd_index_reset: bool,
arg_input: Option<String>,
arg_index_file: Option<String>,
flag_rename: Option<String>,
flag_country: Option<String>,
flag_min_score: Option<f32>,
flag_admin1: Option<String>,
flag_k_weight: Option<f32>,
flag_formatstr: String,
flag_language: String,
flag_invalid_result: Option<String>,
flag_batch: usize,
flag_timeout: u16,
flag_cache_dir: String,
flag_languages: String,
flag_cities_url: String,
flag_force: bool,
flag_jobs: Option<usize>,
flag_new_column: Option<String>,
flag_output: Option<String>,
flag_delimiter: Option<Delimiter>,
flag_progressbar: bool,
}
#[derive(Clone, Debug)]
struct Admin1Filter {
admin1_string: String,
is_code: bool,
}
#[derive(Clone)]
struct NamesLang {
cityname: String,
admin1name: String,
admin2name: String,
countryname: String,
}
static QSV_VERSION: &str = env!("CARGO_PKG_VERSION");
static DEFAULT_GEOCODE_INDEX_FILENAME: &str =
concat!("qsv-", env!("CARGO_PKG_VERSION"), "-geocode-index.bincode");
static DEFAULT_CITIES_NAMES_URL: &str =
"https://download.geonames.org/export/dump/alternateNamesV2.zip";
static DEFAULT_CITIES_NAMES_FILENAME: &str = "alternateNamesV2.txt";
static DEFAULT_COUNTRY_INFO_URL: &str = "https://download.geonames.org/export/dump/countryInfo.txt";
static DEFAULT_ADMIN1_CODES_URL: &str =
"https://download.geonames.org/export/dump/admin1CodesASCII.txt";
static DEFAULT_ADMIN2_CODES_URL: &str = "https://download.geonames.org/export/dump/admin2Codes.txt";
// we use a compile time static perfect hash map for US state FIPS codes
static US_STATES_FIPS_CODES: phf::Map<&'static str, &'static str> = phf_map! {
"AK" => "02",
"AL" => "01",
"AR" => "05",
"AZ" => "04",
"CA" => "06",
"CO" => "08",
"CT" => "09",
"DC" => "11",
"DE" => "10",
"FL" => "12",
"GA" => "13",
"HI" => "15",
"IA" => "19",
"ID" => "16",
"IL" => "17",
"IN" => "18",
"KS" => "20",
"KY" => "21",
"LA" => "22",
"MA" => "25",
"MD" => "24",
"ME" => "23",
"MI" => "26",
"MN" => "27",
"MO" => "29",
"MS" => "28",
"MT" => "30",
"NC" => "37",
"ND" => "38",
"NE" => "31",
"NH" => "33",
"NJ" => "34",
"NM" => "35",
"NV" => "32",
"NY" => "36",
"OH" => "39",
"OK" => "40",
"OR" => "41",
"PA" => "42",
"RI" => "44",
"SC" => "45",
"SD" => "46",
"TN" => "47",
"TX" => "48",
"UT" => "49",
"VT" => "50",
"VA" => "51",
"WA" => "53",
"WI" => "55",
"WV" => "54",
"WY" => "56",
// the following are territories
// and are not included in the default index
// leaving them here for reference
// "AS" => "60",
// "GU" => "66",
// "MP" => "69",
// "PR" => "72",
// "UM" => "74",
// "VI" => "78",
};
// max number of entries in LRU cache
static CACHE_SIZE: usize = 2_000_000;
// max number of entries in fallback LRU cache if we can't allocate CACHE_SIZE
static FALLBACK_CACHE_SIZE: usize = CACHE_SIZE / 4;
static INVALID_DYNFMT: &str = "Invalid dynfmt template.";
static INVALID_COUNTRY_CODE: &str = "Invalid country code.";
// when suggesting with --admin1, how many suggestions to fetch from the engine
// before filtering by admin1
static SUGGEST_ADMIN1_LIMIT: usize = 10;
// valid column values for %dyncols
// when adding new columns, make sure to maintain the sort order
// otherwise, the dyncols check will fail as it uses binary search
static SORTED_VALID_DYNCOLS: [&str; 28] = [
"admin1",
"admin2",
"area",
"capital",
"continent",
"country",
"country_geonameid",
"country_name",
"country_population",
"currency_code",
"currency_name",
"equivalent_fips_code",
"fips",
"id",
"iso3",
"languages",
"latitude",
"longitude",
"name",
"neighbours",
"phone",
"population",
"postal_code_format",
"postal_code_regex",
"timezone",
"tld",
"us_county_fips_code",
"us_state_fips_code",
];
// dyncols populated sentinel value
static DYNCOLS_POPULATED: &str = "_POPULATED";
// valid subcommands
#[derive(Clone, Copy, PartialEq)]
enum GeocodeSubCmd {
Suggest,
SuggestNow,
Reverse,
ReverseNow,
CountryInfo,
CountryInfoNow,
IndexCheck,
IndexUpdate,
IndexLoad,
IndexReset,
}
pub fn run(argv: &[&str]) -> CliResult<()> {
let mut args: Args = util::get_args(USAGE, argv)?;
if args.flag_new_column.is_some() && args.flag_rename.is_some() {
return fail_incorrectusage_clierror!(
"Cannot use --new-column and --rename at the same time."
);
}
if args.flag_new_column.is_some() && args.flag_formatstr.starts_with("%dyncols:") {
return fail_incorrectusage_clierror!(
"Cannot use --new-column with the '%dyncols:' --formatstr option."
);
}
// if args.flag_cities_url is a number and is 500, 1000, 5000 or 15000,
// its a geonames cities file ID and convert it to a URL
// we do this as a convenience shortcut for users
if args.flag_cities_url.parse::<u16>().is_ok() {
let cities_id = args.flag_cities_url;
// ensure its a valid cities_id - 500, 1000, 5000 or 15000
if cities_id != "500" && cities_id != "1000" && cities_id != "5000" && cities_id != "15000"
{
return fail_incorrectusage_clierror!(
"Invalid --cities-url: {cities_id} - must be one of 500, 1000, 5000 or 15000"
);
}
args.flag_cities_url =
format!("https://download.geonames.org/export/dump/cities{cities_id}.zip");
}
if let Err(err) = Url::parse(&args.flag_cities_url) {
return fail_incorrectusage_clierror!(
"Invalid --cities-url: {url} - {err}",
url = args.flag_cities_url,
err = err
);
}
// we need to use tokio runtime as geosuggest uses async
let rt = tokio::runtime::Runtime::new()?;
rt.block_on(geocode_main(args))?;
Ok(())
}
// main async geocode function that does the actual work
async fn geocode_main(args: Args) -> CliResult<()> {
let mut index_cmd = false;
let mut now_cmd = false;
let geocode_cmd = if args.cmd_suggest {
GeocodeSubCmd::Suggest
} else if args.cmd_reverse {
GeocodeSubCmd::Reverse
} else if args.cmd_countryinfo {
GeocodeSubCmd::CountryInfo
} else if args.cmd_suggestnow {
now_cmd = true;
GeocodeSubCmd::SuggestNow
} else if args.cmd_reversenow {
now_cmd = true;
GeocodeSubCmd::ReverseNow
} else if args.cmd_countryinfonow {
now_cmd = true;
GeocodeSubCmd::CountryInfoNow
} else if args.cmd_index_check {
index_cmd = true;
GeocodeSubCmd::IndexCheck
} else if args.cmd_index_update {
index_cmd = true;
GeocodeSubCmd::IndexUpdate
} else if args.cmd_index_load {
index_cmd = true;
GeocodeSubCmd::IndexLoad
} else if args.cmd_index_reset {
index_cmd = true;
GeocodeSubCmd::IndexReset
} else {
// should not happen as docopt won't allow it
unreachable!();
};
// setup cache directory
let geocode_cache_dir = if let Ok(cache_dir) = std::env::var("QSV_CACHE_DIR") {
// if QSV_CACHE_DIR env var is set, check if it exists. If it doesn't, create it.
if cache_dir.starts_with('~') {
// QSV_CACHE_DIR starts with ~, expand it
// safety: we know it starts with ~, so it should be safe to unwrap
expand_tilde(&cache_dir).unwrap()
} else {
PathBuf::from(cache_dir)
}
} else {
// QSV_CACHE_DIR env var is not set, use args.flag_cache_dir
// first check if it starts with ~, expand it
if args.flag_cache_dir.starts_with('~') {
// safety: we know it starts with ~, so it should be safe to unwrap
expand_tilde(&args.flag_cache_dir).unwrap()
} else {
PathBuf::from(&args.flag_cache_dir)
}
};
if !Path::new(&geocode_cache_dir).exists() {
fs::create_dir_all(&geocode_cache_dir)?;
}
info!("Using cache directory: {}", geocode_cache_dir.display());
let geocode_index_filename = std::env::var("QSV_GEOCODE_INDEX_FILENAME")
.unwrap_or_else(|_| DEFAULT_GEOCODE_INDEX_FILENAME.to_string());
let active_geocode_index_file =
format!("{}/{}", geocode_cache_dir.display(), geocode_index_filename);
let geocode_index_file = args
.arg_index_file
.clone()
.unwrap_or_else(|| active_geocode_index_file.clone());
// create a TempDir for the one record CSV we're creating if we're doing a Now command
// we're doing this at this scope so the TempDir is automatically dropped after we're done
let tempdir = tempfile::Builder::new().prefix("qsv-geocode").tempdir()?;
// we're doing a SuggestNow, ReverseNow or CountryInfoNow - create a one record CSV in tempdir
// with one column named "Location" and the passed location value and use it as the input
let input = if now_cmd {
let tempdir_path = tempdir.path().to_string_lossy().to_string();
let temp_csv_path = format!("{}/{}.csv", tempdir_path, Uuid::new_v4());
let temp_csv_path = Path::new(&temp_csv_path);
let mut temp_csv_wtr = csv::WriterBuilder::new().from_path(temp_csv_path)?;
temp_csv_wtr.write_record(["Location"])?;
temp_csv_wtr.write_record([&args.arg_location])?;
temp_csv_wtr.flush()?;
Some(temp_csv_path.to_string_lossy().to_string())
} else {
args.arg_input
};
let rconfig = Config::new(input.as_ref())
.delimiter(args.flag_delimiter)
.select(SelectColumns::parse(&args.arg_column)?);
// prep progress bar
let show_progress =
(args.flag_progressbar || util::get_envvar_flag("QSV_PROGRESSBAR")) && !rconfig.is_stdin();
let progress = ProgressBar::with_draw_target(None, ProgressDrawTarget::stderr_with_hz(5));
if show_progress {
util::prep_progress(&progress, util::count_rows(&rconfig)?);
} else {
progress.set_draw_target(ProgressDrawTarget::hidden());
}
if index_cmd {
// cities_filename is derived from the cities_url
// the filename is the last component of the URL with a .txt extension
// e.g. https://download.geonames.org/export/dump/cities15000.zip -> cities15000.txt
let cities_filename = args
.flag_cities_url
.split('/')
.last()
.unwrap()
.replace(".zip", ".txt");
// setup languages
let languages_string_vec = args
.flag_languages
.split(',')
.map(|s| s.trim().to_ascii_lowercase())
.collect::<Vec<String>>();
let languages_vec: Vec<&str> = languages_string_vec
.iter()
.map(std::string::String::as_str)
.collect();
info!("geocode_index_file: {geocode_index_file} Languages: {languages_vec:?}");
let indexupdater_settings = IndexUpdaterSettings {
http_timeout_ms: util::timeout_secs(args.flag_timeout)? * 1000,
cities: SourceItem {
url: &args.flag_cities_url,
filename: &cities_filename,
},
names: Some(SourceItem {
url: DEFAULT_CITIES_NAMES_URL,
filename: DEFAULT_CITIES_NAMES_FILENAME,
}),
countries_url: Some(DEFAULT_COUNTRY_INFO_URL),
admin1_codes_url: Some(DEFAULT_ADMIN1_CODES_URL),
admin2_codes_url: Some(DEFAULT_ADMIN2_CODES_URL),
filter_languages: languages_vec.clone(),
};
let updater = IndexUpdater::new(indexupdater_settings.clone())
.map_err(|_| CliError::Other("Error initializing IndexUpdater".to_string()))?;
let storage = storage::bincode::Storage::new();
match geocode_cmd {
// check if Geoname index needs to be updated from the Geonames website
// also returns the index file metadata as JSON
GeocodeSubCmd::IndexCheck => {
winfo!("Checking main Geonames website for updates...");
check_index_file(&geocode_index_file)?;
let metadata = storage
.read_metadata(geocode_index_file)
.map_err(|e| format!("index-check error: {e}"))?;
let index_metadata_json = match serde_json::to_string_pretty(&metadata) {
Ok(json) => json,
Err(e) => {
let json_error = json!({
"errors": [{
"title": "Cannot serialize index metadata to JSON",
"detail": e.to_string()
}]
});
format!("{json_error}")
},
};
let created_at =
util::format_systemtime(metadata.as_ref().unwrap().created_at, "%+");
eprintln!("Created at: {created_at}");
match metadata {
Some(m)
if updater.has_updates(&m).await.map_err(|_| {
CliError::Network("Geonames update check failed.".to_string())
})? =>
{
winfo!(
"Updates available at Geonames.org. Use `qsv geocode index-update` to \
update/rebuild the index.\nPlease use this judiciously as Geonames \
is a free service.\n"
);
},
Some(_) => {
winfo!("Geonames index up-to-date.\n");
},
None => return fail_incorrectusage_clierror!("Invalid Geonames index file."),
}
// print to stdout the index metadata as JSON
// so users can redirect stdout to a JSON file if desired
println!("{index_metadata_json}");
},
GeocodeSubCmd::IndexUpdate => {
// update/rebuild Geonames index from Geonames website
// will only update if there are changes unless --force is specified
check_index_file(&geocode_index_file)?;
let metadata = storage
.read_metadata(geocode_index_file.clone())
.map_err(|e| format!("index-update error: {e}"))?;
if args.flag_force {
winfo!("Forcing fresh build of Geonames index: {geocode_index_file}");
winfo!(
"Using cities URL: {} Languages: {:?}",
args.flag_cities_url,
languages_vec
);
winfo!(
"This will take a while as we need to download data & rebuild the index..."
);
let engine = updater.build().await.map_err(|_| {
CliError::Other("Error building geonames index.".to_string())
})?;
storage
.dump_to(geocode_index_file.clone(), &engine)
.map_err(|e| format!("{e}"))?;
winfo!("Geonames index successfully rebuilt: {geocode_index_file}");
} else {
winfo!("Checking main Geonames website for updates...");
if updater.has_updates(&metadata.unwrap()).await.map_err(|_| {
CliError::Network("Geonames update check failed.".to_string())
})? {
winfo!(
"Updating/Rebuilding Geonames index. This will take a while as we \
need to download data from Geonames & rebuild the index..."
);
let engine = updater.build().await.map_err(|_| {
CliError::Other("Error updating geonames index.".to_string())
})?;
let _ = storage.dump_to(geocode_index_file.clone(), &engine);
winfo!("Updates successfully applied: {geocode_index_file}");
} else {
winfo!("Skipping update. Geonames index is up-to-date.");
}
}
},
GeocodeSubCmd::IndexLoad => {
// load alternate geocode index file
if let Some(index_file) = args.arg_index_file {
winfo!("Validating alternate Geonames index: {index_file}...");
check_index_file(&index_file)?;
let engine = load_engine(index_file.clone().into(), &progress).await?;
// we successfully loaded the alternate geocode index file, so its valid
// copy it to the default geocode index file
if engine.metadata.is_some() {
let _ = storage.dump_to(active_geocode_index_file.clone(), &engine);
winfo!(
"Valid Geonames index file {index_file} successfully copied to \
{active_geocode_index_file}. It will be used from now on or until \
you reset/rebuild it.",
);
} else {
return fail_incorrectusage_clierror!(
"Alternate Geonames index file {index_file} is invalid.",
);
}
} else {
return fail_incorrectusage_clierror!(
"No alternate Geonames index file specified."
);
}
},
GeocodeSubCmd::IndexReset => {
// reset geocode index by deleting the current local copy
// and downloading the default geocode index for the current qsv version
winfo!("Resetting Geonames index to default: {geocode_index_file}...");
fs::remove_file(&geocode_index_file)?;
load_engine(geocode_index_file.clone().into(), &progress).await?;
winfo!("Default Geonames index file successfully reset to {QSV_VERSION} release.");
},
// index_cmd is true, so we should never get a non-index subcommand
_ => unreachable!(),
}
return Ok(());
}
// we're not doing an index subcommand, so we're doing a suggest/now, reverse/now
// or countryinfo/now subcommand. Load the current local Geonames index
let engine = load_engine(geocode_index_file.clone().into(), &progress).await?;
let mut rdr = rconfig.reader()?;
let mut wtr = Config::new(args.flag_output.as_ref())
.quote_style(
// if we're doing a now subcommand with JSON output, we don't want the CSV writer
// to close quote the output as it will produce invalid JSON
if now_cmd && (args.flag_formatstr == "%json" || args.flag_formatstr == "%pretty-json")
{
csv::QuoteStyle::Never
} else {
csv::QuoteStyle::Necessary
},
)
.writer()?;
let headers = rdr.byte_headers()?.clone();
let sel = rconfig.selection(&headers)?;
let column_index = *sel.iter().next().unwrap();
let mut headers = rdr.headers()?.clone();
if let Some(new_name) = args.flag_rename {
let new_col_names = util::ColumnNameParser::new(&new_name).parse()?;
if new_col_names.len() != sel.len() {
return fail_incorrectusage_clierror!(
"Number of new columns does not match input column selection."
);
}
for (i, col_index) in sel.iter().enumerate() {
headers = replace_column_value(&headers, *col_index, &new_col_names[i]);
}
}
// setup output headers
if let Some(new_column) = &args.flag_new_column {
headers.push_field(new_column);
}
// if formatstr starts with "%dyncols:"", then we're using dynfmt to add columns.
// To add columns, we enclose in curly braces a key:value pair for each column with
// the key being the desired column name and the value being the CityRecord field
// we want to add to the CSV
// e.g. "%dyncols: {city_col:name}, {state_col:admin1}, {country_col:country}"
// will add three columns to the CSV named city_col, state_col and country_col.
// first, parse the formatstr to get the column names and values in parallel vectors
let mut column_names = Vec::new();
let mut column_values = Vec::new();
// dyncols_len is the number of columns we're adding in dyncols mode
// it also doubles as a flag to indicate if we're using dyncols mode
// i.e. if dyncols_len > 0, we're using dyncols mode; 0 we're not
let dyncols_len = if args.flag_formatstr.starts_with("%dyncols:") {
for column in args.flag_formatstr[9..].split(',') {
let column = column.trim();
let column_key_value: Vec<&str> = column.split(':').collect();
if column_key_value.len() == 2 {
column_names.push(column_key_value[0].trim_matches('{'));
column_values.push(column_key_value[1].trim_matches('}'));
}
}
// now, validate the column values
// the valid column values are in SORTED_VALID_DYNCOLS
for column_value in &column_values {
if SORTED_VALID_DYNCOLS.binary_search(column_value).is_err() {
return fail_incorrectusage_clierror!(
"Invalid column value: {column_value}. Valid values are: \
{SORTED_VALID_DYNCOLS:?}"