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import
*
as
path
from
'path'
;
import
*
as
core
from
'@actions/core'
;
import
*
as
tc
from
'@actions/tool-cache'
;
import
*
as
exec
from
'@actions/exec'
;
import
*
as
httpm
from
'@actions/http-client'
;
import
*
as
fs
from
'fs'
;
import
*
as
semver
from
'semver'
;
import
{
ExecOptions
}
from
'@actions/exec/lib/interfaces'
;
import
{
IS_WINDOWS
,
IS_LINUX
,
getDownloadFileName
}
from
'./utils'
;
import
{
IToolRelease
}
from
'@actions/tool-cache'
;
const
TOKEN
=
core
.
getInput
(
'token'
)
;
const
AUTH
=
!
TOKEN
?
undefined
:
`token
${
TOKEN
}
`
;
const
MANIFEST_REPO_OWNER
=
'actions'
;
const
MANIFEST_REPO_NAME
=
'python-versions'
;
const
MANIFEST_REPO_BRANCH
=
'main'
;
export
const
MANIFEST_URL
=
`https://raw.githubusercontent.com/
${
MANIFEST_REPO_OWNER
}
/
${
MANIFEST_REPO_NAME
}
/
${
MANIFEST_REPO_BRANCH
}
/versions-manifest.json`
;
interface
LinuxOsRelease
{
id
:
string
;
versionId
:
string
;
}
function
getLinuxOsRelease
(
)
:
LinuxOsRelease
|
null
{
try
{
const
content
=
fs
.
readFileSync
(
'/etc/os-release'
,
'utf8'
)
;
const
lines
=
content
.
split
(
'\n'
)
;
let
id
=
''
;
let
versionId
=
''
;
for
(
const
line
of
lines
)
{
const
parts
=
line
.
split
(
'='
)
;
if
(
parts
.
length
===
2
)
{
const
key
=
parts
[
0
]
.
trim
(
)
;
const
value
=
parts
[
1
]
.
trim
(
)
.
replace
(
/
^
"
/
,
''
)
.
replace
(
/
"
$
/
,
''
)
;
if
(
key
===
'ID'
)
id
=
value
;
if
(
key
===
'VERSION_ID'
)
versionId
=
value
;
}
}
if
(
id
&&
versionId
)
{
return
{
id
,
versionId
}
;
}
return
null
;
}
catch
{
return
null
;
}
}
function
findRhelRelease
(
semanticVersionSpec
:
string
,
architecture
:
string
,
manifest
:
tc
.
IToolRelease
[
]
,
osVersion
:
string
)
:
tc
.
IToolRelease
|
undefined
{
for
(
const
candidate
of
manifest
)
{
const
version
=
candidate
.
version
;
core
.
debug
(
`check
${
version
}
satisfies
${
semanticVersionSpec
}
`
)
;
if
(
!
semver
.
satisfies
(
version
,
semanticVersionSpec
)
)
continue
;
const
file
=
candidate
.
files
.
find
(
item
=>
{
core
.
debug
(
`
${
item
.
arch
}
===
${
architecture
}
&&
${
item
.
platform
}
===rhel &&
${
item
.
platform_version
}
===
${
osVersion
}
`
)
;
const
archMatch
=
item
.
arch
===
architecture
;
const
platformMatch
=
item
.
platform
===
'rhel'
;
const
versionMatch
=
!
item
.
platform_version
||
item
.
platform_version
===
osVersion
||
osVersion
.
startsWith
(
item
.
platform_version
)
;
return
archMatch
&&
platformMatch
&&
versionMatch
;
}
)
;
if
(
file
)
{
core
.
debug
(
`matched
${
candidate
.
version
}
`
)
;
const
result
=
Object
.
assign
(
{
}
,
candidate
)
;
result
.
files
=
[
file
]
;
return
result
;
}
}
return
undefined
;
}
export
async
function
findReleaseFromManifest
(
semanticVersionSpec
:
string
,
architecture
:
string
,
manifest
:
tc
.
IToolRelease
[
]
|
null
)
:
Promise
<
tc
.
IToolRelease
|
undefined
>
{
if
(
!
manifest
)
{
manifest
=
await
getManifest
(
)
;
}
// On RHEL, tc.findFromManifest() won't match because os.platform() returns 'linux'
// but manifest entries use platform 'rhel'. Use custom filtering for RHEL.
if
(
IS_LINUX
)
{
const
osRelease
=
getLinuxOsRelease
(
)
;
if
(
osRelease
&&
osRelease
.
id
===
'rhel'
)
{
core
.
debug
(
`Detected RHEL
${
osRelease
.
versionId
}
, using custom manifest filtering`
)
;
return
findRhelRelease
(
semanticVersionSpec
,
architecture
,
manifest
,
osRelease
.
versionId
)
;
}
}
const
foundRelease
=
await
tc
.
findFromManifest
(
semanticVersionSpec
,
false
,
manifest
,
architecture
)
;
return
foundRelease
;
}
function
isIToolRelease
(
obj
:
any
)
:
obj
is
IToolRelease
{
return
(
typeof
obj
===
'object'
&&
obj
!==
null
&&
typeof
obj
.
version
===
'string'
&&
typeof
obj
.
stable
===
'boolean'
&&
Array
.
isArray
(
obj
.
files
)
&&
obj
.
files
.
every
(
(
file
:
any
)
=>
typeof
file
.
filename
===
'string'
&&
typeof
file
.
platform
===
'string'
&&
typeof
file
.
arch
===
'string'
&&
typeof
file
.
download_url
===
'string'
)
)
;
}
export
async
function
getManifest
(
)
:
Promise
<
tc
.
IToolRelease
[
]
>
{
try
{
const
repoManifest
=
await
getManifestFromRepo
(
)
;
if
(
Array
.
isArray
(
repoManifest
)
&&
repoManifest
.
length
&&
repoManifest
.
every
(
isIToolRelease
)
)
{
return
repoManifest
;
}
throw
new
Error
(
'The repository manifest is invalid or does not include any valid tool release (IToolRelease) entries.'
)
;
}
catch
(
err
)
{
core
.
debug
(
'Fetching the manifest via the API failed.'
)
;
if
(
err
instanceof
Error
)
{
core
.
debug
(
err
.
message
)
;
}
else
{
core
.
error
(
'An unexpected error occurred while fetching the manifest.'
)
;
}
}
return
await
getManifestFromURL
(
)
;
}
export
function
getManifestFromRepo
(
)
:
Promise
<
tc
.
IToolRelease
[
]
>
{
core
.
debug
(
`Getting manifest from
${
MANIFEST_REPO_OWNER
}
/
${
MANIFEST_REPO_NAME
}
@
${
MANIFEST_REPO_BRANCH
}
`
)
;
return
tc
.
getManifestFromRepo
(
MANIFEST_REPO_OWNER
,
MANIFEST_REPO_NAME
,
AUTH
,
MANIFEST_REPO_BRANCH
)
;
}
export
async
function
getManifestFromURL
(
)
:
Promise
<
tc
.
IToolRelease
[
]
>
{
core
.
debug
(
'Falling back to fetching the manifest using raw URL.'
)
;
const
http
:
httpm
.
HttpClient
=
new
httpm
.
HttpClient
(
'tool-cache'
)
;
const
response
=
await
http
.
getJson
<
tc
.
IToolRelease
[
]
>
(
MANIFEST_URL
)
;
if
(
!
response
.
result
)
{
throw
new
Error
(
`Unable to get manifest from
${
MANIFEST_URL
}
`
)
;
}
return
response
.
result
;
}
async
function
installPython
(
workingDirectory
:
string
)
{
const
options
:
ExecOptions
=
{
cwd
:
workingDirectory
,
env
:
{
...
process
.
env
,
...
(
IS_LINUX
&&
{
LD_LIBRARY_PATH
:
path
.
join
(
workingDirectory
,
'lib'
)
}
)
}
,
silent
:
true
,
listeners
:
{
stdout
:
(
data
:
Buffer
)
=>
{
core
.
info
(
data
.
toString
(
)
.
trim
(
)
)
;
}
,
stderr
:
(
data
:
Buffer
)
=>
{
core
.
error
(
data
.
toString
(
)
.
trim
(
)
)
;
}
}
}
;
if
(
IS_WINDOWS
)
{
await
exec
.
exec
(
'powershell'
,
[
'./setup.ps1'
]
,
options
)
;
}
else
{
await
exec
.
exec
(
'bash'
,
[
'./setup.sh'
]
,
options
)
;
}
}
export
async
function
installCpythonFromRelease
(
release
:
tc
.
IToolRelease
)
{
if
(
!
release
.
files
||
release
.
files
.
length
===
0
)
{
throw
new
Error
(
'No files found in the release to download.'
)
;
}
const
downloadUrl
=
release
.
files
[
0
]
.
download_url
;
core
.
info
(
`Download from "
${
downloadUrl
}
"`
)
;
let
pythonPath
=
''
;
try
{
const
fileName
=
getDownloadFileName
(
downloadUrl
)
;
pythonPath
=
await
tc
.
downloadTool
(
downloadUrl
,
fileName
,
AUTH
)
;
core
.
info
(
'Extract downloaded archive'
)
;
let
pythonExtractedFolder
;
if
(
IS_WINDOWS
)
{
pythonExtractedFolder
=
await
tc
.
extractZip
(
pythonPath
)
;
}
else
{
pythonExtractedFolder
=
await
tc
.
extractTar
(
pythonPath
)
;
}
core
.
info
(
'Execute installation script'
)
;
await
installPython
(
pythonExtractedFolder
)
;
}
catch
(
err
)
{
if
(
err
instanceof
tc
.
HTTPError
)
{
// Rate limit?
if
(
err
.
httpStatusCode
===
403
)
{
core
.
error
(
`Received HTTP status code 403. This indicates a permission issue or restricted access.`
)
;
}
else
if
(
err
.
httpStatusCode
===
429
)
{
core
.
info
(
`Received HTTP status code 429. This usually indicates the rate limit has been exceeded`
)
;
}
else
{
core
.
info
(
err
.
message
)
;
}
if
(
err
.
stack
)
{
core
.
debug
(
err
.
stack
)
;
}
}
throw
err
;
}
}
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