/
lyrics
executable file
·218 lines (203 loc) · 7.58 KB
/
lyrics
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
#!/usr/bin/env bash
# Author: Alexander Epstein https://github.com/alexanderepstein
currentVersion="1.22.1"
configuredClient=""
artist="false"
song="false"
filePath=""
## This function determines which http get tool the system has installed and returns an error if there isnt one
getConfiguredClient()
{
if command -v curl &>/dev/null; then
configuredClient="curl"
elif command -v wget &>/dev/null; then
configuredClient="wget"
elif command -v http &>/dev/null; then
configuredClient="httpie"
elif command -v fetch &>/dev/null; then
configuredClient="fetch"
else
echo "Error: This tool reqires either curl, wget, httpie or fetch to be installed." >&2
return 1
fi
}
getConfiguredPython()
{
if command -v python2 &>/dev/null ; then
configuredPython="python2"
elif command -v python &>/dev/null ; then
configuredPython="python"
else
echo "Error: This tool requires python 2 to be installed."
return 1
fi
}
if [[ $(uname) != "Darwin" ]]; then
python()
{
case "$configuredPython" in
python2) python2 "$@";;
python) python "$@";;
esac
}
fi
## Allows to call the users configured client without if statements everywhere
httpGet()
{
case "$configuredClient" in
curl) curl -A curl -s "$@" ;;
wget) wget -qO- "$@" ;;
httpie) http -b GET "$@" ;;
fetch) fetch -q "$@" ;;
esac
}
update()
{
# Author: Alexander Epstein https://github.com/alexanderepstein
# Update utility version 1.2.0
# To test the tool enter in the defualt values that are in the examples for each variable
repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite
githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein
nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option
if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]]; then
echo "Error: update utility has not been configured correctly." >&2
exit 1
elif [[ $latestVersion == "" ]]; then
echo "Error: no active internet connection" >&2
exit 1
else
if [[ "$latestVersion" != "$currentVersion" ]]; then
echo "Version $latestVersion available"
echo -n "Do you wish to update $repositoryName [Y/n]: "
read -r answer
if [[ "$answer" == [Yy] ]]; then
cd ~ || { echo 'Update Failed'; exit 1; }
if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
git clone "https://github.com/$githubUserName/$repositoryName" || { echo "Couldn't download latest version"; exit 1; }
cd $repositoryName || { echo 'Update Failed'; exit 1; }
git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit."
chmod a+x install.sh #this might be necessary in your case but wasnt in mine.
./$nameOfInstallFile "update" || exit 1
cd ..
rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
else
exit 1
fi
else
echo "$repositoryName is already the latest version"
fi
fi
}
checkInternet()
{
httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request
}
getLyrics()
{
encodedArtist=$(echo $1 | sed s/" "/%20/g | sed s/"&"/%26/g | sed s/,/%2C/g | sed s/-/%2D/g)
encodedSong=$(echo $2 | sed s/" "/%20/g | sed s/"&"/%26/g | sed s/,/%2C/g | sed s/-/%2D/g)
response=$(httpGet "https://api.lyrics.ovh/v1/$encodedArtist/$encodedSong")
lyrics=$(echo $response | python -c "import sys, json; print json.load(sys.stdin)['lyrics']" 2> /dev/null)
if [[ $lyrics == "" ]];then { echo "Error: no lyrics found!"; return 1; }; fi
}
printLyrics()
{
if [[ $filePath == "" ]];then echo -e "$lyrics"
else
if [ -f "$filePath" ];then
echo -n "File already exists, do you want to overwrite it [Y/n]: "
read -r answer
if [[ "$answer" == [Yy] ]]; then
echo -e "$lyrics" > "$filePath";
fi
else
echo -e "$lyrics" > "$filePath";
fi
fi
}
usage()
{
cat <<EOF
Lyrics
Description: Fetch lyrics for a certain song.
Usage: lyrics [flags] or tool [-a] [arg] [-s] [arg]
-a Artist of the song to fetch lyrics for
-s Song of the artist to fetch lyrics for
-f Export the lyrics to file rather than outputting to stdout
-u Update Bash-Snippet Tools
-h Show the help
-v Get the tool version
Examples:
lyrics -a logic -s run it
lyrics -a logic -s run it -f ~/runItLyrics.txt
EOF
}
while getopts "f:a:s:uvh" opt; do
case "$opt" in
\?) echo "Invalid option: -$OPTARG" >&2
exit 1
;;
h) usage
exit 0
;;
v) echo "Version $currentVersion"
exit 0
;;
u)
getConfiguredClient || exit 1
checkInternet || exit 1
update
exit 0
;;
f)
filePath="$OPTARG"
;;
a)
artist="true"
if [[ "$(echo "$@" | grep -Eo "\-s")" == "-s" ]];then song="true";fi # wont go through both options if arg spaced and not quoted this solves that issue (dont need this but once had bug on system where it was necessary)
if [[ "$(echo "$@" | grep -Eo "\-f")" == "-f" ]];then filePath=$(echo "$@" | grep -Eo "\-f [ a-z A-Z / 0-9 . \ ]*[ -]?" | sed s/-f//g | sed s/-//g | sed s/^" "//g);fi
;;
s)
song="true"
if [[ "$(echo "$@" | grep -Eo "\-a")" == "-a" ]];then artist="true";fi # wont go through both options if arg spaced and not quoted this solves that issue (dont need this but once had bug on system where it was necessary)
if [[ "$(echo "$@" | grep -Eo "\-f")" == "-f" ]];then filePath=$(echo "$@" | grep -Eo "\-f [ a-z A-Z / 0-9 . \ ]*[ -]?" | sed s/-f//g | sed s/-//g | sed s/^" "//g);fi
;;
:) echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
# special set of first arguments that have a specific behavior across tools
if [[ $# == "0" ]]; then
usage ## if calling the tool with no flags and args chances are you want to return usage
exit 0
elif [[ $# == "1" ]]; then
if [[ $1 == "update" ]]; then
getConfiguredClient || exit 1
checkInternet || exit 1
update || exit 1
exit 0
elif [[ $1 == "help" ]]; then
usage
exit 0
fi
fi
if ($artist && ! $song) || ($song && ! $artist);then
echo "Error: the -a and the -s flag must be used to fetch lyrics."
exit 1
elif $artist && $song;then
song=$(echo "$@" | grep -Eo "\-s [ a-z A-Z 0-9 . \ ]*[ -]?" | sed s/-s//g | sed s/-//g | sed s/^" "//g)
if [[ $song == "" ]];then { echo "Error: song could not be parsed from input."; exit 1; };fi
artist=$(echo "$@" | grep -Eo "\-a [ a-z A-Z 0-9 . \ ]*[ -]?" | sed s/-a//g | sed s/-//g | sed s/^" "//g)
if [[ $artist == "" ]];then { echo "Error: artist could not be parsed from input."; exit 1; };fi
getConfiguredClient || exit 1
if [[ $(uname) != "Darwin" ]]; then getConfiguredPython || exit 1;fi
checkInternet || exit 1
getLyrics "$artist" "$song" || exit 1
printLyrics
else
{ clear; echo "You shouldnt be here but maaaaaaybeee you slipped passed me, learn to use the tool!"; sleep 5; clear;}
usage
exit 1
fi