| # CS26 — Computer-Science Dataset + Portal |
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| This repo contains: |
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| - **A Hugging Face Dataset**: `CS26/Computer-Science` |
| - **A Hugging Face Space (portal)**: `CS26/cs26-portal` (Gradio) |
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| The portal is live at: |
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| - Direct app URL: `https://cs26-cs26-portal.hf.space/` |
| - Space page: `https://huggingface.co/spaces/CS26/cs26-portal` |
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| ## Authentication (no tokens in repos) |
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| Do **not** hardcode any `hf_...` tokens in code or commit them to git. |
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| Use the Hugging Face CLI to store your token **locally**: |
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| ```powershell |
| hf auth login --force |
| hf auth whoami |
| ``` |
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| This stores credentials in your user profile cache and lets `huggingface_hub` authenticate automatically. |
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| ## Portal (Space) — `cs26-portal/app.py` |
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| Features: |
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| - **RTL + Hebrew UI** (including mixed Hebrew / Latin in search headings) |
| - Folder navigation with breadcrumbs |
| - **Stateful refresh and deep links**: current folder is stored in the **`?path=`** query string (URL-encoded), with **`#`** kept in sync for refresh-friendly navigation, plus a **`localStorage`** copy for resilience |
| - Search within current folder subtree |
| - File actions on click: |
| - **PDF**: downloads immediately |
| - **ZIP/archives**: download immediately |
| - **Office (doc/docx/ppt/pptx)**: opens OfficeApps viewer in a **new tab**, and shows a preview pane with “הורדה” + “תצוגה (Office)” |
| - **Images**: in-page preview + download link |
| - **Text/code (txt/c/...)**: in-page preview + download link |
| - **Prepare Folder ZIP**: builds a ZIP from the dataset via `snapshot_download` / temp zip; status and errors are shown in a **status** markdown area next to the download widget |
| - **Direct Hugging Face downloads**: filenames with Hebrew (or other non-ASCII) may still appear percent-encoded in some browsers when downloading straight from `huggingface.co` URLs; the app uses best-effort `<a download>` where applicable |
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| ### Deploy the Space |
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| From repo root: |
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| ```powershell |
| python .\upload_space.py |
| ``` |
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| ### Troubleshooting |
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| - **Search shows nothing**: search is scoped to the **current folder subtree**; navigate into a year or topic folder first, or clear the search box and use **רענון** after changing folders. |
| - **ZIP errors or long waits**: large folders download many files from Hugging Face first; watch the status markdown under the ZIP button for progress or a Python traceback if something fails. |
| - **Blank preview for images**: raster previews are embedded as data URIs when needed; if something still fails, use the dataset **resolve** link from the preview panel. |
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| ## Dataset uploader — `upload_to_hf.py` |
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| Uploads the local folder to the dataset repo **in batches of 10 files** with retry/resume. |
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| It excludes: |
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| - `.git/**` |
| - `cs26-portal/**` |
| - `upload_to_hf.py`, `upload_space.py` |
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| Run: |
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| ```powershell |
| python .\upload_to_hf.py |
| ``` |
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| Optional environment variables: |
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| - `HF_REPO_ID` (default `CS26/Computer-Science`) |
| - `HF_LOCAL_FOLDER` (default `c:\GitRepos\Computer-Science`) |
| - `HF_BATCH_SIZE` (default `10`) |
| - `HF_RETRY_SLEEP_SECONDS` (default `5`) |
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| ## Rollback safety |
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| Local repo has: |
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| - tag: `backup-before-portal-fixes` |
| - branch: `backup/current-state` |
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| Space repo has: |
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| - tag: `backup-before-portal-fixes` |
| - branch: `backup/current-state` |
| - tag: `latest` pointing at current `main` HEAD |
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