alex/restaurant-search
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Read URLs from command line instead of file

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This commit is contained in:
Alex Yatskov 2015-09-22 12:43:35 +09:00
parent f23e54c022
commit 7b3ee7cc32
1 changed files with 13 additions and 27 deletions
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40
build/build.go
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@ -23,10 +23,9 @@
package main
import (
"bufio"
"flag"
"fmt"
"log"
"os"
"path/filepath"
_ "github.com/mattn/go-sqlite3"
@ -66,27 +65,12 @@ func loadConverters(directory string) ([]*converter, error) {
return convs, nil
}
func loadUrls(filename string) ([]string, error) {
file, err := os.Open(filename)
if err != nil {
return nil, err
}
defer file.Close()
var urls []string
for scanner := bufio.NewScanner(file); scanner.Scan(); {
if url := scanner.Text(); len(url) > 0 {
urls = append(urls, url)
}
}
return urls, nil
}
func scrapeReviews(urls []string, converters []*converter, gc *geoCache, wc *webCache) ([]review, error) {
var reviews []review
for _, u := range urls {
var scraped bool
for _, c := range converters {
if !c.compatible(u) {
continue
@ -98,8 +82,13 @@ func scrapeReviews(urls []string, converters []*converter, gc *geoCache, wc *web
}
reviews = append(reviews, revs...)
scraped = true
break
}
if !scraped {
return nil, fmt.Errorf("no converters found for %s", u)
}
}
return reviews, nil
@ -108,7 +97,6 @@ func scrapeReviews(urls []string, converters []*converter, gc *geoCache, wc *web
func main() {
var (
dbPath = flag.String("db", "data/db.sqlite3", "database output path")
urlsPath = flag.String("urls", "data/urls.txt", "index URLs to scrape")
convertersPath = flag.String("converters", "data/converters", "directory for converters")
stationsPath = flag.String("stations", "data/stations.json", "station geolocation data")
geocachePath = flag.String("geocache", "cache/geocache.json", "geolocation data cache")
@ -117,6 +105,10 @@ func main() {
flag.Parse()
if flag.NArg() == 0 {
log.Fatal("no URLs specified on command line")
}
log.Printf("loading geocache from %s...", *geocachePath)
gc, err := newGeoCache(*geocachePath)
if err != nil {
@ -130,12 +122,6 @@ func main() {
log.Fatal(err)
}
log.Printf("loading urls from %s...", *urlsPath)
urls, err := loadUrls(*urlsPath)
if err != nil {
log.Fatal(err)
}
log.Printf("loading converters from %s...", *convertersPath)
converters, err := loadConverters(*convertersPath)
if err != nil {
@ -146,7 +132,7 @@ func main() {
}
log.Print("scraping reviews...")
reviews, err := scrapeReviews(urls, converters, gc, wc)
reviews, err := scrapeReviews(flag.Args(), converters, gc, wc)
if err != nil {
log.Fatal(err)
}