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
|
import
future, json, lists, options, re, sequtils, sets, strutils, tables,
package, utils,
"wrapper/curl"
type
AurComment* = tuple[
author: string,
date: string,
text: string
]
const
aurUrl* = "https://aur.archlinux.org/"
proc parseRpcPackageInfo(obj: JsonNode): Option[RpcPackageInfo] =
template optInt64(i: int64): Option[int64] =
if i > 0: some(i) else: none(int64)
let base = obj["PackageBase"].getStr
let name = obj["Name"].getStr
let version = obj["Version"].getStr
let descriptionEmpty = obj["Description"].getStr
let description = if descriptionEmpty.len > 0: some(descriptionEmpty) else: none(string)
let maintainerEmpty = obj["Maintainer"].getStr
let maintainer = if maintainerEmpty.len > 0: some(maintainerEmpty) else: none(string)
let firstSubmitted = obj["FirstSubmitted"].getBiggestInt(0).optInt64
let lastModified = obj["LastModified"].getBiggestInt(0).optInt64
let votes = (int) obj["NumVotes"].getBiggestInt(0)
let popularity = obj["Popularity"].getFloat(0)
if base.len > 0 and name.len > 0:
some(RpcPackageInfo(repo: "aur", base: base, name: name, version: version,
description: description, maintainer: maintainer,
firstSubmitted: firstSubmitted, lastModified: lastModified,
votes: votes, popularity: popularity))
else:
none(RpcPackageInfo)
template withAur*(body: untyped): untyped =
withCurlGlobal():
body
proc obtainPkgBaseSrcInfo(base: string): (string, Option[string]) =
try:
withAur():
withCurl(instance):
let url = aurUrl & "cgit/aur.git/plain/.SRCINFO?h=" &
instance.escape(base)
(performString(url), none(string))
except CurlError:
("", some(getCurrentException().msg))
proc getRpcPackageInfo*(pkgs: seq[string]): (seq[RpcPackageInfo], Option[string]) =
if pkgs.len == 0:
(@[], none(string))
else:
withAur():
try:
withCurl(instance):
let url = aurUrl & "rpc/?v=5&type=info&arg[]=" & @pkgs
.deduplicate
.map(u => instance.escape(u))
.foldl(a & "&arg[]=" & b)
let response = performString(url)
let results = parseJson(response)["results"]
let table = lc[(x.name, x) | (y <- results, x <- parseRpcPackageInfo(y)),
(string, RpcPackageInfo)].toTable
(lc[x | (p <- pkgs, x <- table.opt(p)), RpcPackageInfo], none(string))
except CurlError:
(@[], some(getCurrentException().msg))
except JsonParsingError:
(@[], some(tr"failed to parse server response"))
proc getAurPackageInfo*(pkgs: seq[string], rpcInfosOption: Option[seq[RpcPackageInfo]],
arch: string, progressCallback: (int, int) -> void): (seq[PackageInfo], seq[string]) =
if pkgs.len == 0:
(@[], @[])
else:
withAur():
progressCallback(0, pkgs.len)
let (rpcInfos, error) = if rpcInfosOption.isSome:
(rpcInfosOption.unsafeGet, none(string))
else:
getRpcPackageInfo(pkgs)
if error.isSome:
(@[], @[error.unsafeGet])
else:
type
ParseResult = tuple[
infos: seq[PackageInfo],
error: Option[string]
]
let deduplicated = lc[x.base | (x <- rpcInfos), string].deduplicate
progressCallback(0, deduplicated.len)
proc obtainAndParse(base: string, index: int): ParseResult =
let (srcInfo, operror) = obtainPkgBaseSrcInfo(base)
progressCallback(index + 1, deduplicated.len)
if operror.isSome:
(@[], operror)
else:
let pkgInfos = parseSrcInfo("aur", srcInfo, arch,
aurUrl & base & ".git", none(string), rpcInfos)
(pkgInfos, none(string))
let parsed = deduplicated.foldl(a & obtainAndParse(b, a.len), newSeq[ParseResult]())
let infos = lc[x | (y <- parsed, x <- y.infos), PackageInfo]
let errors = lc[x | (y <- parsed, x <- y.error), string]
let table = infos.map(i => (i.name, i)).toTable
(lc[x | (p <- pkgs, x <- table.opt(p)), PackageInfo], errors)
proc findAurPackages*(query: seq[string]): (seq[RpcPackageInfo], Option[string]) =
if query.len == 0 or query[0].len <= 2:
(@[], none(string))
else:
withAur():
try:
withCurl(instance):
let url = aurUrl & "rpc/?v=5&type=search&by=name&arg=" &
instance.escape(query[0])
let response = performString(url)
let results = parseJson(response)["results"]
let rpcInfos = lc[x | (y <- results, x <- parseRpcPackageInfo(y)), RpcPackageInfo]
let filteredRpcInfos = if query.len > 1: (block:
let queryLow = query[1 .. ^1].map(q => q.toLowerAscii)
rpcInfos.filter(i => queryLow.map(q => i.name.toLowerAscii.contains(q) or
i.description.map(d => d.toLowerAscii.contains(q)).get(false)).foldl(a and b)))
else:
rpcInfos
(filteredRpcInfos, none(string))
except CurlError:
(@[], some(getCurrentException().msg))
proc downloadAurComments*(base: string): (seq[AurComment], Option[string]) =
let (content, error) = withAur():
try:
withCurl(instance):
let url = aurUrl & "pkgbase/" & base & "/?comments=all"
(performString(url), none(string))
except CurlError:
("", some(getCurrentException().msg))
if error.isSome:
(@[], error)
else:
let commentRe = re("<h4\\ id=\"comment-\\d+\">\\n\\s+(.*)?\\ commented\\ on\\ " &
"(.*)\\n(?:.*\\n)*?\\s+</h4>\\n\\t\\t<div\\ id=\"comment-\\d+-content\"\\ " &
"class=\"article-content\">((?:\\n.*)*?)\\n\\t\\t</div>")
proc transformComment(comment: string): string =
comment
# line breaks can leave a space
.replace("\n", " ")
# force line break
.replace("<br />", "\n")
# paragraphs look like 2 line breaks
.replace("<p>", "\n\n")
.replace("</p>", "\n\n")
# remove tags
.replace(re"<.*?>", "")
# multiple spaces become 1 spage
.replace(re"\ {2,}", " ")
# strip lines
.strip.split("\n").map(s => s.strip).foldl(a & "\n" & b).strip
# don't allow more than 2 line breaks
.replace(re"\n{2,}", "\n\n")
# replace mnemonics
.replace("<", "<")
.replace(">", ">")
.replace(""", "\"")
.replace("&", "&")
proc findAllMatches(start: int, found: List[AurComment]): List[AurComment] =
var matches: array[3, string]
let index = content.find(commentRe, matches, start)
if index >= 0:
findAllMatches(index + 1, (matches[0].strip, matches[1].strip,
transformComment(matches[2])) ^& found)
else:
found
(toSeq(findAllMatches(0, nil).reversed.items), none(string))
|
