Solved the "removing old packages" problem (I think)
parent
cec5ecce7f
commit
a65207f961
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@ -14,9 +14,9 @@ pub:
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repos_dir string [required]
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// Where packages are stored; each repository gets its own subdirectory
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pkg_dir string [required]
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// The default architecture to use for a repository. In reality, this value
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// is only required when a package with architecture "any" is added as the
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// first package of a repository.
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// The default architecture to use for a repository. Whenever a package of
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// arch "any" is added to a repo, it will also be added to this
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// architecture.
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default_arch string [required]
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}
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@ -45,8 +45,8 @@ pub fn new(repos_dir string, pkg_dir string, default_arch string) ?RepoGroupMana
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// add_pkg_from_path adds a package to a given repo, given the file path to the
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// pkg archive. It's a wrapper around add_pkg_in_repo that parses the archive
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// file, passes the result to add_pkg_in_repo, and moves the archive to
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// r.pkg_dir if it was successfully added.
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// file, passes the result to add_pkg_in_repo, and hard links the archive to
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// the right subdirectories in r.pkg_dir if it was successfully added.
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pub fn (r &RepoGroupManager) add_pkg_from_path(repo string, pkg_path string) ?RepoAddResult {
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pkg := package.read_pkg_archive(pkg_path) or {
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return error('Failed to read package file: $err.msg')
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@ -55,19 +55,22 @@ pub fn (r &RepoGroupManager) add_pkg_from_path(repo string, pkg_path string) ?Re
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added := r.add_pkg_in_repo(repo, pkg) ?
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// If the add was successful, we move the file to the packages directory
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if added {
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repo_pkg_path := os.real_path(os.join_path_single(r.pkg_dir, repo))
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for arch in added {
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repo_pkg_path := os.real_path(os.join_path(r.pkg_dir, repo, arch))
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dest_path := os.join_path_single(repo_pkg_path, pkg.filename())
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// Only move the file if it's not already in the package directory
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if dest_path != os.real_path(pkg_path) {
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os.mkdir_all(repo_pkg_path) ?
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os.mv(pkg_path, dest_path) ?
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}
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// We create hard links so that "any" arch packages aren't stored
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// multiple times
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os.link(pkg_path, dest_path) ?
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}
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// After linking, we can remove the original file
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os.rm(pkg_path) ?
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return RepoAddResult{
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added: added
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added: added.len > 0
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pkg: &pkg
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}
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}
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@ -75,26 +78,32 @@ pub fn (r &RepoGroupManager) add_pkg_from_path(repo string, pkg_path string) ?Re
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// add_pkg_in_repo adds a package to a given repo. This function is responsible
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// for inspecting the package architecture. If said architecture is 'any', the
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// package is added to each arch-repository within the given repo. A package of
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// architecture 'any' will always be added to the arch-repo defined by
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// r.default_arch. If this arch-repo doesn't exist yet, it will be created. If
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// the architecture isn't 'any', the package is only added to the specific
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// architecture 'any' is always added to the arch-repo defined by
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// r.default_arch. If this arch-repo doesn't exist yet, it is created. If the
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// architecture isn't 'any', the package is only added to the specific
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// architecture.
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fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?bool {
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// A package without arch 'any' can be handled without any further checks
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fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?[]string {
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// A package not of arch 'any' can be handled easily by adding it to the
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// respective repo
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if pkg.info.arch != 'any' {
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return r.add_pkg_in_arch_repo(repo, pkg.info.arch, pkg)
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if r.add_pkg_in_arch_repo(repo, pkg.info.arch, pkg) ? {
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return [pkg.info.arch]
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} else {
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return []
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}
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}
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repo_dir := os.join_path_single(r.repos_dir, repo)
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mut arch_repos := []string{}
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// If it is an "any" package, the package gets added to every currently
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// present arch-repo. It will always get added to the r.default_arch repo,
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// even if no or multiple others are present.
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repo_dir := os.join_path_single(r.repos_dir, repo)
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// If this is the first package that's added to the repo, the directory
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// won't exist yet
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if os.exists(repo_dir) {
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// We get a listing of all currently present arch-repos in the given repo
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arch_repos = os.ls(repo_dir) ?.filter(os.is_dir(os.join_path_single(repo_dir,
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it)))
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arch_repos = os.ls(repo_dir) ?
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}
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// The default_arch should always be updated when a package with arch 'any'
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@ -103,12 +112,14 @@ fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?bool {
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arch_repos << r.default_arch
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}
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mut added := false
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mut added := []string{}
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// We add the package to each repository. If any of the repositories
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// return true, the result of the function is also true.
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for arch in arch_repos {
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added = added || r.add_pkg_in_arch_repo(repo, arch, pkg) ?
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if r.add_pkg_in_arch_repo(repo, arch, pkg) ? {
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added << arch
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}
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}
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return added
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@ -122,13 +133,8 @@ fn (r &RepoGroupManager) add_pkg_in_repo(repo string, pkg &package.Pkg) ?bool {
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fn (r &RepoGroupManager) add_pkg_in_arch_repo(repo string, arch string, pkg &package.Pkg) ?bool {
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pkg_dir := os.join_path(r.repos_dir, repo, arch, '$pkg.info.name-$pkg.info.version')
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// We can't add the same package twice
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if os.exists(pkg_dir) {
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return false
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}
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// We remove the older package version first, if present
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r.remove_pkg_from_arch_repo(repo, arch, pkg, false) ?
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// Remove the previous version of the package, if present
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r.remove_pkg_from_arch_repo(repo, arch, pkg.info.name, false) ?
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os.mkdir_all(pkg_dir) or { return error('Failed to create package directory.') }
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@ -151,7 +157,7 @@ fn (r &RepoGroupManager) add_pkg_in_arch_repo(repo string, arch string, pkg &pac
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// remove_pkg_from_arch_repo removes a package from an arch-repo's database. It
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// returns false if the package wasn't present in the database. It also
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// optionally re-syncs the repo archives.
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fn (r &RepoGroupManager) remove_pkg_from_arch_repo(repo string, arch string, pkg &package.Pkg, sync bool) ?bool {
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fn (r &RepoGroupManager) remove_pkg_from_arch_repo(repo string, arch string, pkg_name string, sync bool) ?bool {
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repo_dir := os.join_path(r.repos_dir, repo, arch)
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// If the repository doesn't exist yet, the result is automatically false
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@ -167,13 +173,24 @@ fn (r &RepoGroupManager) remove_pkg_from_arch_repo(repo string, arch string, pkg
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// not the version.
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name := d.split('-')#[..-2].join('-')
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if name == pkg.info.name {
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if name == pkg_name {
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// We lock the mutex here to prevent other routines from creating a
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// new archive while we remove an entry
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lock r.mutex {
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os.rmdir_all(os.join_path_single(repo_dir, d)) ?
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}
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// Also remove the package archive
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repo_pkg_dir := os.join_path(r.pkg_dir, repo, arch)
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archives := os.ls(repo_pkg_dir) ?.filter(it.split('-')#[..-3].join('-') == name)
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for archive_name in archives {
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full_path := os.join_path_single(repo_pkg_dir, archive_name)
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os.rm(full_path) ?
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}
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// Sync the db archives if requested
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if sync {
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r.sync(repo, arch) ?
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}
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@ -33,12 +33,12 @@ fn (mut app App) get_repo_file(repo string, arch string, filename string) web.Re
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full_path += '.tar.gz'
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}
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} else if filename.contains('.pkg') {
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full_path = os.join_path(app.repo.pkg_dir, repo, filename)
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full_path = os.join_path(app.repo.pkg_dir, repo, arch, filename)
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}
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// Default behavior is to return the desc file for the package, if present.
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// This can then also be used by the build system to properly check whether
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// a package is present in an arch-repo.
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} else {
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else {
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full_path = os.join_path(app.repo.repos_dir, repo, arch, filename, 'desc')
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}
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4
test.py
4
test.py
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@ -38,7 +38,7 @@ def create_random_pkginfo(words, name_min_len, name_max_len):
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Generates a random .PKGINFO
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"""
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name = "-".join(random_words(words, name_min_len, name_max_len))
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ver = "0.1.0-1" # doesn't matter what it is anyways
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ver = "0.1.0-3" # doesn't matter what it is anyways
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# TODO add random dependencies (all types)
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@ -46,7 +46,7 @@ def create_random_pkginfo(words, name_min_len, name_max_len):
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"pkgname": name,
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"pkgbase": name,
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"pkgver": ver,
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"arch": "any"
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"arch": "x86_64"
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}
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return "\n".join(f"{key} = {value}" for key, value in data.items())
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