SarahAsad23 commented on code in PR #5901:
URL: https://github.com/apache/texera/pull/5901#discussion_r3486858224
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frontend/src/app/workspace/component/power-button/computing-unit-selection.component.ts:
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@@ -755,23 +764,115 @@ export class ComputingUnitSelectionComponent implements
OnInit {
}
}
- addEnvironment(): void {
+ showPVEmodalVisible(): void {
+ this.pveModalVisible = true;
+ this.getPVEs();
+ this.refreshAvailableDbPves();
+ }
+
+ isSavedPveInstalledInCu(name: string): boolean {
+ const trimmed = name.trim();
+ return this.pves.some(p => p.isLocked && p.name.trim() === trimmed);
+ }
+
+ private refreshAvailableDbPves(): void {
+ this.workflowPveService
+ .listUserPves()
+ .pipe(untilDestroyed(this))
+ .subscribe({
+ next: records => {
+ this.availableDbPves = records;
+ },
+ error: (err: unknown) => {
+ console.error("Failed to fetch saved Python environments", err);
+ this.availableDbPves = [];
+ },
+ });
+ }
+
+ // Triggered when the user picks a saved PVE in the picker. Builds a new
+ // env card from its name + packages and starts CU install flow
+ // (createVirtualEnvironment), so pip output streams into the same panel.
+ installFromSavedPve(veid: number): void {
+ const saved = this.availableDbPves.find(p => p.veid === veid);
+ if (!saved) return;
+
+ const trimmedName = saved.name.trim();
+ const dbRows = this.parseDbPackages(saved.packages);
+
+ const existingIndex = this.pves.findIndex(p => p.isLocked && p.name.trim()
=== trimmedName);
+ if (existingIndex !== -1) {
+ this.applySavedPveAsUpdate(existingIndex, saved.name, dbRows);
+ return;
+ }
+
this.pves.push({
- name: "",
+ name: saved.name,
userPackages: [],
- newPackages: [],
+ newPackages: dbRows,
deletingPackages: [],
pipOutput: "",
prettyPipOutput: "",
expanded: true,
isInstalling: false,
isLocked: false,
});
+
+ const newIndex = this.pves.length - 1;
+
+ setTimeout(() => this.createVirtualEnvironment(newIndex), 0);
}
- showPVEmodalVisible(): void {
- this.pveModalVisible = true;
- this.getPVEs();
+ private parseDbPackages(packages: Record<string, string> | null |
undefined): PveUserPackageRow[] {
+ return Object.entries(packages ?? {}).map(([name, raw]) => {
+ const match = raw?.match?.(/^(==|>=|<=)(.*)$/);
+ return {
+ name,
+ versionOp: (match ? match[1] : "==") as "==" | ">=" | "<=",
+ version: match ? match[2] : raw ?? "",
+ };
+ });
+ }
+
+ // Computes the diff between the saved DB record and the locked card's
+ // current user packages, then triggers the existing update path
+ private applySavedPveAsUpdate(index: number, displayName: string, dbRows:
PveUserPackageRow[]): void {
+ const existing = this.pves[index];
+
+ const dbByName = new Map(dbRows.map(p => [p.name.trim().toLowerCase(),
p]));
+ const existingByName = new Map(existing.userPackages.map(p =>
[p.name.trim().toLowerCase(), p]));
+
+ const toInstall: PveUserPackageRow[] = [];
+ const toDelete: { name: string; version: string }[] = [];
+
+ dbByName.forEach((db, key) => {
+ const cur = existingByName.get(key);
+ if (!cur) {
+ toInstall.push({ name: db.name, versionOp: db.versionOp, version:
db.version });
+ } else if ((cur.version ?? "").trim() !== (db.version ?? "").trim()) {
+ toDelete.push({ name: cur.name, version: (cur.version ?? "").trim() });
+ toInstall.push({ name: db.name, versionOp: db.versionOp, version:
db.version });
+ }
Review Comment:
The logic is based on whether the currently installed version satisfies the
updated constraint. For example, if the requirement changes from ==1.26.0 to
>=1.26.0 and 1.26.0 is already installed, the new constraint is already
satisfied, so no reinstallation is needed.
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