mvp
parent
52623ed8d9
commit
95518fc3a8
112
poc.sh
112
poc.sh
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@ -1,28 +1,88 @@
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#! /bin/bash
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main() {
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_main "$@"
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set -e
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set -o pipefail
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local output="$(mktemp -d)"
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log "$output"
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#list_chapters_in_book https://www.dndbeyond.com/sources/sdw
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#scrape_book_chapter https://www.dndbeyond.com/sources/phb/races | less
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#scrape_book_chapter https://www.dndbeyond.com/sources/phb/appendix-a-conditions | less
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#scrape_book "$output" https://www.dndbeyond.com/sources/phb
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for book in $(scrape_books); do
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book="${book%/}"
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log book=$book
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scrape_book "$output/${book##*/}" "$book"
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break
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done
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log "$output"
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}
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_main() {
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for url in $(
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scrape_dndbeyond https://www.dndbeyond.com/sources/phb \
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| grep -o 'https:..www.dndbeyond.com.compendium[^"]*' \
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log() {
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echo "$(date) > $*" >&2
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}
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scrape_books() {
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scrape_dndbeyond "https://www.dndbeyond.com/sources#Sourcebooks" \
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| grep class..sources-listing--item \
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| grep href=.*sources \
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| grep -o 'href="[^"]*' \
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| sed 's/^href="//' \
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| sed 's/^\///' \
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| sed 's/^/\//' \
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| sed 's/^/https:\/\/www.dndbeyond.com/'
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}
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scrape_book() {
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local output="$1"
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local book_url="$2"
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mkdir -p "$output"
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local f="$(mktemp)"
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for chapter in $(list_chapters_in_book "$book_url"); do
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log chapter=$chapter
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scrape_book_chapter "$chapter" > "$f"
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local title="$(grep -E 'Chapter|Appendix' "$f" | head -n 1 | sed 's/^\#*//' | sed 's/^[ ]*//' | sed 's/[ ]*$//')"
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mv "$f" "$output"/"$title"
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done
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rm "$f"
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}
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scrape_book_chapter() {
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local url="$1"
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scrape_dndbeyond $url \
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| html_to_markdown
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}
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list_chapters_in_book() {
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local book_url="${1%/}"
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local raw="$(scrape_dndbeyond "$book_url")"
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if echo "$raw" | grep -q 'https:..www.dndbeyond.com.compendium[^"]*'; then
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echo "$raw" | grep -o 'https:..www.dndbeyond.com.compendium[^"]*'
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elif echo "$raw" | grep -q "$book_url/"; then
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echo "$raw" | grep -o "${book_url//\//.}\/[^\"]*"
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else
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echo "ERROR: FOUND NO CHAPTERS IN $book_url" >&2
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return 1
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fi \
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| sed 's/#.*//' \
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| sort -u
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); do
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echo $url
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scrape_dndbeyond $url \
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| html_to_markdown \
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| less
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break
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done
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}
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scrape_dndbeyond() {
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rate_limit_1s scrape_dndbeyond
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curl -L -sS \
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"${1:-https://www.dndbeyond.com/sources/phb}" \
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"$1" \
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--compressed \
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-H 'Cookie: Preferences=undefined; Preferences=undefined; _pxhd=NHdkEjOXnAEHojER86i0Egmnm85GLvifiQxURPISwVtzWLNwuqQbIk1Y/2MjheQqNP4CsBXhuc4UG5-qcmLjYw==:hGx3TOEjeVaJPMfrXXnmyG7-btpQhZutwvpVBKwEbNXTAkEQvgmIs/faKB6s8537Nivj6epH9HpOWYURQeazeMwSMReW6EMazW09Rci-PJI=; ResponsiveSwitch.DesktopMode=1; ddbSiteBanner:00523ca3-81a4-4d2a-8f86-9e40273af2e2=true; LoginState=2c011278-8a3d-4cf7-a141-221f42694333; G_ENABLED_IDPS=google; CobaltSession=eyJhbGciOiJkaXIiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0..vh9-_2G_aEjMvJ2PFAAE4w.eheZuOJLp-3NyiAJZzKqaSc91lH0ganCRsDZPYMGIG3265AppaHh0uMQLu_-P6WX.bHRi_gX8PKtQGZwVmNeb1Q; Preferences.Language=1; Preferences.TimeZoneID=1; ddbSiteBanner:d8879cae-c68e-4411-9ea0-a49d77fe5454=true; Ratings=null; _pxvid=f6abe72c-49a6-11ec-b844-57447254714c; ddbSiteBanner:fd981371-c501-4638-a64b-0d9a5c8da68b=true; Geo={%22region%22:%22ON%22%2C%22country%22:%22CA%22%2C%22continent%22:%22NA%22}; RequestVerificationToken=983cd9ce-c03c-4b8b-b6c1-a0561b39cb47; sublevel=ANON; Preferences=undefined; User.ID=109926924; User.Username=squeaky2x3; UserInfo={"UserId":109926924,"UserJoinDate":"2021-03-25","UserSessionId":"77896779-c672-42d1-903b-f6caba6ec599"}; pxcts=5eb1b230-525e-11ec-aa22-793bf1473016; WarningNotification.Lock=1' \
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-H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0' \
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@ -42,14 +102,18 @@ scrape_dndbeyond() {
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}
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html_to_markdown() {
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pandoc -f html -t markdown --ascii --toc --wrap=none --strip-comments -o - \
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| sed '/^:::.*/d' \
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| sed -e '/^# Chapter/p' -e '0,/^# Chapter/d' \
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| sed -e '/^Share$/,$d' \
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| sed 's/^\(\#\#*\) \[](#\([^)]*\))/\1 /' \
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| sed 's/{#\([^ ]*\)[^}]*}/\n\n<a name="\1"><\/a>/' \
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| sed 's/\[\([^]]*\)]\(([^)]*)\)*\({[^}]*}\)*/\1/g' \
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| sed "s/\\\\\([\"']\)/\1/g"
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local out="$(
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pandoc -f html -t markdown --ascii --toc --wrap=none --strip-comments -o - \
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| sed '/^:::.*/d' \
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| sed -e '/^Share$/,$d' \
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| sed 's/^\(\#\#*\) \[](#\([^)]*\))/\1 /' \
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| sed 's/{#\([^ ]*\)[^}]*}/\n\n<a name="\1"><\/a>/' \
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| sed 's/\[\([^]]*\)]\(([^)]*)\)*\({[^}]*}\)*/\1/g' \
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| sed "s/\\\\\([\"']\)/\1/g"
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)"
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local target="$(echo "$out" | grep -q '^[#]* Appendix' && echo Appendix || echo Chapter)"
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echo "$out" \
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| sed -e '/^# '"$target"'/p' -e '0,/^# '"$target"'/d'
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}
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rate_limit_1s() {
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mkdir -p "$d"
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local last_run="$(date -r "$d/$name" +%s)"
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local now="$(date +%s)"
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local interval=2
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echo "$(date +%s): should sleep while $(($(date +%s)-last_run)) < $interval" >&2
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local interval=3
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log "should sleep while $(($(date +%s)-last_run)) < $interval"
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if [ -f "$d/$name" ]; then
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while [ "$(($(date +%s)-last_run))" -lt $interval ]; do
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sleep 1
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done
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fi
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echo "$(date +%s): done sleeping" >&2
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log "done sleeping"
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touch "$d/$name"
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}
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