small follow-up to #1068
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Aligns alias existence error handling across SDKs to use
template-specific errors.
>
> - JS: `checkAliasExists` now passes `TemplateError` to
`handleApiError` and imports `TemplateError` in `buildApi.ts`
> - Python: `check_alias_exists` uses `TemplateException` in both async
and sync `build_api.py`
> - Adds changeset for patch releases of `@e2b/python-sdk` and `e2b`
>
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Integration tests will fail until the feature is deployed in E2B Cloud
production.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Enables checking template alias availability from both SDKs.
>
> - JS: Implements `checkAliasExists` in `template/buildApi.ts`, exposes
`Template.aliasExists` in `template/index.ts`, adds `AliasExistsOptions`
type and tests
> - Python: Adds `Template.alias_exists` and
`AsyncTemplate.alias_exists` wired to generated
`get_templates_aliases_{alias}` client; includes sync/async tests
> - API: Regenerates schemas/clients to include `GET
/templates/aliases/{alias}`, template build logs endpoint and
parameters, and supporting models (e.g., `TemplateAliasResponse`)
>
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---------
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Adds support for parsing ownership on file copy operations in
Dockerfile-based templates.
>
> - JS: Update `dockerfileParser.ts` to treat `COPY/ADD` as
`ModifiableInstruction`, parse `--chown` via `instruction.getFlags()`,
and pass `user` to `templateBuilder.copy(src, dest, { user })`
> - Python: Update `_handle_copy_instruction` in `dockerfile_parser.py`
to extract `--chown=<user[:group]>` and pass `user` to
`template_builder.copy(src, dest, user=user)`
> - Tests: Add JS and Python (sync/async) tests verifying `COPY --chown`
parsing and argument propagation
> - Changeset: Patch releases for `@e2b/python-sdk` and `e2b`
>
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## Summary
- Fixes garbled Unicode and box-drawing character rendering when running
tmux inside E2B sandboxes
- Adds `LANG=C.UTF-8` and `LC_ALL=C.UTF-8` environment variable defaults
to PTY creation in both JS/TS and Python SDKs
## Problem
When running applications like Claude Code inside tmux in an E2B
sandbox, Unicode characters and box-drawing glyphs render incorrectly:
**Before (broken):**
- Box-drawing characters appear as broken dashes
- Text alignment is garbled
- The Claude mascot renders as `------` instead of proper pixel art
**After (fixed):**
- Proper Unicode rendering
- Correct box-drawing characters
- Properly aligned text
## Root Cause
The PTY session was created with `TERM=xterm-256color` but without UTF-8
locale settings. Running `locale` in the sandbox showed:
```
LANG=
LC_CTYPE="POSIX"
LC_ALL=
```
tmux requires UTF-8 locale settings to properly render Unicode
characters. Without them, it falls back to ASCII-only rendering.
## Solution
Set `LANG` and `LC_ALL` to `C.UTF-8` by default when creating PTY
sessions. This locale is:
- Available on most modern Linux distributions
- Provides UTF-8 character encoding
- Portable and doesn't require specific locale packages
The fix uses `setdefault` (Python) / nullish coalescing (JS) to allow
users to override these values if needed.
## Files Changed
| File | Change |
|------|--------|
| `packages/js-sdk/src/sandbox/commands/pty.ts` | Add LANG and LC_ALL
defaults |
| `packages/python-sdk/e2b/sandbox_async/commands/pty.py` | Add LANG and
LC_ALL defaults |
| `packages/python-sdk/e2b/sandbox_sync/commands/pty.py` | Add LANG and
LC_ALL defaults |
🤖 Generated with [Claude Code](https://claude.com/claude-code)
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Fix tmux Unicode rendering by enforcing UTF-8 locale in PTYs**
>
> - In PTY creation (JS `pty.ts`, Python async/sync `pty.py`), default
`LANG` and `LC_ALL` to `C.UTF-8`; set `TERM` only if not already
provided
> - Adds changeset entry documenting the patch
>
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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Add a note to the template environment variables that they exist only
during template build, so users don't get confused.
---------
Co-authored-by: Mish <10400064+mishushakov@users.noreply.github.com>
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Introduce `connect` methods to attach to running PTY sessions across
JS and Python SDKs, with tests and default timeout handling.
>
> - **SDKs**:
> - **JS (`packages/js-sdk/src/sandbox/commands/pty.ts`)**:
> - Add `Pty.connect(pid, opts?)` to attach to running PTYs; accepts
`PtyConnectOpts` with `onData`, `timeoutMs`, and `requestTimeoutMs`.
> - Factor default PTY connection timeout via
`defaultPtyConnectionTimeout` and apply to `create`/`connect` calls.
> - **Python**:
> - Async: Add `AsyncSandbox.pty.connect(pid, on_data, timeout?,
request_timeout?)` in `e2b/sandbox_async/commands/pty.py`.
> - Sync: Add `sandbox.pty.connect(pid, timeout?, request_timeout?)` in
`e2b/sandbox_sync/commands/pty.py`.
> - **Tests**:
> - JS: `packages/js-sdk/tests/sandbox/pty/ptyConnect.test.ts` validates
connect/reconnect and output handling.
> - Python: async and sync tests under
`packages/python-sdk/tests/.../pty/test_pty_connect.py` verify
reconnection and exit codes.
> - **Release**:
> - Changeset: minor version bumps for `@e2b/python-sdk` and `e2b`; note
“added option to connect to a running pty session”.
>
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---------
Co-authored-by: Mish <10400064+mishushakov@users.noreply.github.com>
<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Refactors the ESM file URL test for `getCallerDirectory` to use temp
paths and `pathToFileURL`, removing hardcoded paths and a redundant
case.
>
> - **Tests**
(`packages/js-sdk/tests/template/utils/getCallerDirectory.test.ts`):
> - Refactor ESM `file://` handling test to be platform-agnostic:
> - Use `os.tmpdir()` and `path.join` to build test paths.
> - Use `pathToFileURL` instead of string-building `file://` URLs.
> - Update assertions to compare against computed paths.
> - Remove redundant "three slashes" `file://` URL test.
>
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## Summary
Fixes#1045
`getCallerDirectory()` fails in ESM modules because
`CallSite.getFileName()` returns
`file://` URLs, but `path.dirname()` doesn't handle URLs.
**Fix:** Convert `file://` URLs to filesystem paths using
`fileURLToPath()` before
passing to `path.dirname()`.
## Changes
- Added `fileURLToPath` import from `node:url`
- Updated `getCallerDirectory()` to handle `file://` URLs
- Added unit tests for ESM URL handling
## Testing
- Built the SDK locally (`pnpm run build`)
- Linked to a test ESM project using my [reproduction
repository](https://github.com/bxxf/e2b-template-issue-repro) (`pnpm
link`)
- Verified `Template().copy()` works without `ENOENT` errors
- All existing tests pass
---------
Co-authored-by: Filip Brebera <filip.brebera@gendigital.com>
Co-authored-by: Mish <10400064+mishushakov@users.noreply.github.com>
What was happening is that the following snippet:
```dockerfile
CMD ["sleep", "20"]
```
Was incorrectly converted to:
```
sleep, 20
```
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Fixes parsing of Dockerfile CMD/ENTRYPOINT array syntax to a proper
start command and updates tests accordingly.
>
> - **Python SDK**:
> - `e2b/template/dockerfile_parser.py`: Parse CMD/ENTRYPOINT JSON array
(e.g., `["sleep", "20"]`) into a space-joined command (`sleep 20`) and
set as `start_cmd`.
> - **Tests**:
> - JS SDK and Python (sync/async): Add ENTRYPOINT case and assert
`startCmd`/`_start_cmd` equals `sleep 20`.
> - **Release**:
> - Changeset: patch bump for `@e2b/python-sdk`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Caches Playwright binaries in JS CI and refactors JS/Python template
tests to use API mocks and aliases, add Dockerfile tests, and update
install APIs to single-package calls.
>
> - **CI**:
> - Cache Playwright binaries on `ubuntu-22.04` and `windows-latest` in
`.github/workflows/js_sdk_tests.yml` to speed JS SDK tests.
> - **JS SDK Tests**:
> - Extend `buildTemplate` options to accept `alias` in
`tests/setup.ts`.
> - Add `fromDockerfile` tests and switch some builds to
`fromBaseImage`; add build-from-base-template test.
> - Update install method tests to single-package calls for
`aptInstall`, `npmInstall`, `bunInstall`, `pipInstall`.
> - Tweak `makeSymlink` test order to ensure overwrite behavior.
> - Overhaul stacktrace tests to use `msw` server mocks and alias-based
failure mapping.
> - **Python SDK Tests**:
> - `build`/`async_build` fixtures accept optional `alias`.
> - Add `from_dockerfile` tests (sync/async); use base image/base
template where applicable.
> - Update install method tests to single-package calls.
> - Rewrite stacktrace tests to monkeypatch API calls with alias-based
failure mapping.
> - **Dependencies**:
> - Add dev dependency `msw` to `packages/js-sdk/package.json`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Add Windows to CI matrices and make JS/Python utils and tests
cross-platform via path handling updates.
>
> - **CI**:
> - Add Windows to test matrices in `cli_tests.yml`, `js_sdk_tests.yml`,
`python_sdk_tests.yml`; set bash shell/workdirs; disable fail-fast for
some jobs.
> - Python CI runs `pytest -n 4` via Poetry.
> - **JS SDK**:
> - Path normalization for globbing (`normalizePath`) and use of
`Path.relativePosix()` in hashing and tar creation in
`src/template/utils.ts`.
> - **Python SDK**:
> - Add `normalize_path` and use forward-slash glob patterns in
`e2b/template/utils.py`.
> - **Tests**:
> - Make stack trace parsing robust to Windows paths; use `basename` in
file assertions; adjust Python tar tests tempdir fixture handling.
> - **Changeset**: add patch note for windows-related fixes.
>
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---------
Co-authored-by: Joseph Lombrozo <joe.lombrozo@e2b.dev>
Fixes issue https://github.com/e2b-dev/E2B/issues/1032
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Preserve Dockerfile USER/WORKDIR when provided and only apply E2B
defaults if absent, with tests and CLI fixtures updated accordingly.
>
> - **Dockerfile parsing (SDKs)**:
> - **JS (`packages/js-sdk/src/template/dockerfileParser.ts`)**: Track
`USER`/`WORKDIR` usage and only set E2B defaults (`user`, `/home/user`)
if not specified; keep Docker defaults (`root`, `/`) initially.
> - **Python
(`packages/python-sdk/e2b/template/dockerfile_parser.py`)**: Same
behavior—preserve explicit `USER`/`WORKDIR`, fallback to defaults only
when absent.
> - **Tests**:
> - **JS**: Add tests for default vs. custom `USER`/`WORKDIR` in
`fromMethods.test.ts`.
> - **Python (async/sync)**: Add analogous tests in
`test_from_methods.py`.
> - **CLI template fixtures**:
> - Update expected outputs to remove redundant
`.set_user('user')`/`.set_workdir('/home/user')` when already specified;
minor ordering tweak for `.setStartCmd` in TS fixture.
> - **Changeset**:
> - Minor version bumps for `@e2b/python-sdk` and `e2b`; note: keep
Docker `WORKDIR` and `USER` if specified.
>
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This requires [infra#1448](https://github.com/e2b-dev/infra/pull/1448)
first.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Adds support to override the sandbox API URL (E2B_SANDBOX_URL) across
JS/Python SDKs, centralizes sandbox host/url logic with headers, and
updates CI to build the SDK before CLI.
>
> - **SDKs (JS & Python)**
> - Add `sandboxUrl` support in `ConnectionConfig` (env var
`E2B_SANDBOX_URL`), with new helpers `getSandboxUrl`/`getHost` and
shared `envdPort`.
> - Refactor sandbox initialization to use
`ConnectionConfig.getSandboxUrl(...)` and `getHost(...)`.
> - Always attach sandbox headers `E2b-Sandbox-Id` and
`E2b-Sandbox-Port` to sandbox and connect requests.
> - Python: thread `sandbox_url` through opts; update async/sync connect
calls to pass headers; minor fix to default `headers=None` in
`e2b_connect.client.Client` stream prep.
> - **CI**
> - Build `packages/js-sdk` before `packages/cli`; set step
`working-directory` for build/test.
> - **Dependencies**
> - Point `e2b` dependency in lockfile to local `../js-sdk` link.
>
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---------
Co-authored-by: Mish <10400064+mishushakov@users.noreply.github.com>
- adopted from https://github.com/sindresorhus/callsites
- ~wip: have to test whether same trick works on Bun~
works on bun
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Replaces regex-based path extraction with `callsites` for
`getCallerDirectory`, fixing Windows path handling and removing the old
helper and its tests.
>
> - **Template utils (`packages/js-sdk/src/template/utils.ts`)**:
> - Replace regex-based extraction with `callsites` and update
`getCallerDirectory` to use `CallSite.getFileName()` and `path.dirname`.
> - Remove `matchFileDir` helper.
> - **Tests**:
> - Delete `packages/js-sdk/tests/template/utils/matchFileDir.test.ts`.
> - **Changeset**:
> - Add patch note: fixes default context directory for Windows paths.
>
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I have added tests, but here also a screenshot from Windows machine
correctly matching current directory from the caller:
<img width="1097" height="501" alt="Screenshot 2025-11-07 at 19 37 41"
src="https://github.com/user-attachments/assets/95e3f7e2-efd2-44f9-867e-6de54400c07a"
/>
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Enhances `matchFileDir` to parse Windows and file:// stack trace paths
and adds tests; include changeset for patch release.
>
> - **packages/js-sdk**:
> - **Template utils (`src/template/utils.ts`)**:
> - Update `matchFileDir` regex and normalization to support Windows
drive letters, backslashes, and `file:///` URIs; strip `:line:column`
and trailing `)`.
> - **Tests (`tests/template/utils/matchFileDir.test.ts`)**:
> - Add cases for Windows paths (with/without anonymous), `file:///`
URIs, and paths containing parentheses.
> - **Release**:
> - Add changeset (`.changeset/every-wolves-brake.md`) marking a patch
for `e2b`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Ensure file uploads honor ignore patterns (incl. .dockerignore),
refactor file discovery/tar streaming in JS/Python SDKs, and add
comprehensive tests.
>
> - **File upload behavior**:
> - JS/TS and Python uploads now pass `ignorePatterns` (merged from
`fileIgnorePatterns` and `.dockerignore`) to tar creation, ensuring
ignored files aren’t uploaded.
> - **Refactor/Utilities**:
> - Rename `getAllFilesForFilesHash` -> `getAllFilesInPath` with
optional directory inclusion in both SDKs.
> - Implement `tar_file_stream` (JS and Python) to build archives from
`getAllFilesInPath`, with `noDirRecurse` and symlink control.
> - Hashing functions updated to use `getAllFilesInPath`.
> - Type tweak: allow `None` in Python `stack_traces` during build wait.
> - **Integration**:
> - JS `uploadFile` and Python async/sync `upload_file` now use tar
streaming with ignore patterns; JS `Template` wires ignore patterns into
uploads.
> - **Tests**:
> - Add extensive tests for `getAllFilesInPath` and `tar_file_stream` in
JS and Python, covering ignore patterns, directories, sorting, and
symlinks.
> - Remove obsolete tests relying on old function names.
> - **Meta**:
> - Changeset entries for `@e2b/python-sdk` and `e2b` (patch).
>
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Currently, when you provide a simple folder pattern like `folder/` to
copy() it will not check folders contents for changes (only the folder
metadata itself) which leads to stale caches.
This fix appends ** pattern when no pattern is specified for recursive
hash computation.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Ensure folder COPY patterns hash contents recursively to fix cache
invalidation, adding a shared file-gathering helper, tests, and a Python
glob dependency.
>
> - **Template hashing (JS + Python SDKs)**:
> - Add `getAllFilesForFilesHash`
(`packages/js-sdk/src/template/utils.ts`) and
`get_all_files_for_files_hash`
(`packages/python-sdk/e2b/template/utils.py`) to collect directories and
nested files using glob patterns and ignores.
> - Update `calculateFilesHash`/`calculate_files_hash` to use the new
helpers, hashing recursive paths, metadata, and file contents; handle
symlinks consistently.
> - **Tests**:
> - Add comprehensive tests for recursive matching, ignore patterns,
sorting, empty dirs, symlinks in
`packages/js-sdk/tests/.../getAllFilesForFilesHash.test.ts` and Python
async/sync tests under
`packages/python-sdk/tests/.../test_get_all_files_for_files_hash.py`.
> - **Dependencies**:
> - Add `wcmatch` in `packages/python-sdk/pyproject.toml` for advanced
globbing.
> - **Release**:
> - Patch bump via `.changeset/green-mice-watch.md`.
>
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---------
Co-authored-by: Jakub Dobry <jakub.dobry8@gmail.com>
Current env var syntax won't be anymore supported by Docker and is
currently blocking local development.
```
3 warnings found (use docker --debug to expand):
- LegacyKeyValueFormat: "ENV key=value" should be used instead of legacy "ENV key value" format (line 2)
```
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Use "ENV key=value" in generated Dockerfiles and add tests; minor
devcontainer path string cast.
>
> - **Template/Dockerfile generation**:
> - **JS SDK (`packages/js-sdk/src/template/index.ts`)**: Handle `ENV`
instructions and output as `ENV key=value ...`.
> - **Python SDK (`packages/python-sdk/e2b/template/main.py`)**: Same
`ENV` formatting; also cast `devcontainer_directory` to `str` in
devcontainer start command.
> - **Tests**:
> - **JS**: Add `toDockerfile` test covering `ENV` output.
> - **Python (sync/async)**: Add tests for `ENV` output in generated
Dockerfiles.
> - **Changeset**: Patch releases for `@e2b/python-sdk` and `e2b`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Use new connect API for JS/Python SDKs to connect and only extend
(never shorten) running sandbox timeouts, with updated types/docs and
tests.
>
> - **SDKs**:
> - **JS**:
> - Replace `resume`/`setTimeout` flow with `SandboxApi.connectSandbox`
calling `POST /sandboxes/{sandboxID}/connect`.
> - Update `Sandbox.connect` (static/instance) to use returned
`sandboxDomain`, `envdAccessToken`, `envdVersion`.
> - Redefine `SandboxConnectOpts` to include `timeoutMs` that only
extends existing timeout.
> - **Python (async/sync)**:
> - Introduce `_cls_connect` using `post_sandboxes_sandbox_id_connect`
with `ConnectSandbox`; return `Sandbox` model.
> - Update `connect` methods to use API response for
domain/token/version; remove extra info fetch.
> - Docstrings clarify timeout only extends for running sandboxes.
> - **Tests**:
> - Add cases ensuring connect does not shorten timeout and does extend
when longer (JS, async Python, sync Python).
> - Preserve error on connecting to non-running sandbox.
> - **Meta**:
> - Changeset: minor releases for `@e2b/python-sdk`, `e2b`, and
`@e2b/cli`.
>
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<!-- CURSOR_SUMMARY -->
> [!NOTE]
> Adds `fromBunImage` and `bunInstall` to JS/Python SDKs, and extends
`npmInstall` with a `dev` flag, with tests across sync/async suites.
>
> - **Template APIs**:
> - Add `fromBunImage` to start from `oven/bun:<variant>` in
`packages/js-sdk/src/template/index.ts` and
`packages/python-sdk/e2b/template/main.py`.
> - Add `bunInstall(packages, { g, dev })` in both SDKs.
> - Extend `npmInstall` to accept `{ dev: boolean }` in both SDKs.
> - **Types/Docs**:
> - Update `packages/js-sdk/src/template/types.ts` to declare
`fromBunImage`, `bunInstall`, and `npmInstall` `dev` option.
> - **Tests**:
> - Add tests for `fromBunImage` and `bunInstall` and update
`npmInstall` (global/dev) in JS (`packages/js-sdk/tests/...`) and Python
sync/async (`packages/python-sdk/tests/...`).
> - **Changeset**:
> - Minor releases for `@e2b/python-sdk` and `e2b`
(`.changeset/silly-lions-buy.md`).
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
b6461d015743d38ba014d724167d2ca256cf7951. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
for building type-safe wrappers around .setStartCmd/.setReadyCmd
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Expose `ReadyCmd` via JS (`packages/js-sdk/src/index.ts`) and Python
(`e2b/__init__.py`) SDK entrypoints, with patch version bumps.
>
> - **SDK Exports**:
> - **JS**: Re-exports `ReadyCmd` from `./template/readycmd` in
`packages/js-sdk/src/index.ts`.
> - **Python**: Exposes `ReadyCmd` in `e2b/__init__.py` imports and
`__all__`.
> - **Versioning**:
> - `.changeset/early-trainers-repeat.md`: Patch bumps for
`@e2b/python-sdk` and `e2b`.
>
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
ff91a3e3578be8db6ea7644ee6717f1bd18b0165. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
Mish Ushakov