added browserbase flights example

README.md

@@ -7,16 +7,17 @@ By [@joaomdmoura](https://x.com/joaomdmoura).
 ## Examples
 
 ### Basic Examples
-- [Create Job Posting](https://github.com/joaomdmoura/crewAI-examples/tree/main/job-posting)
-- [Trip Planner](https://github.com/joaomdmoura/crewAI-examples/tree/main/trip_planner)
-- [Create Instagram Post](https://github.com/joaomdmoura/crewAI-examples/tree/main/instagram_post)
-- [Markdown Validator](https://github.com/joaomdmoura/crewAI-examples/tree/main/markdown_validator)
-- [Game Generator](https://github.com/joaomdmoura/crewAI-examples/tree/main/game-builder-crew)
-- [Using Azure OpenAI API](https://github.com/joaomdmoura/crewAI-examples/tree/main/azure_model)
+- [Create Job Posting](./job-posting)
+- [Trip Planner](./trip_planner)
+- [Create Instagram Post](./instagram_post)
+- [Markdown Validator](./markdown_validator)
+- [Game Generator](./game-builder-crew)
+- [Using Azure OpenAI API](./azure_model)
 
 Starting your own example
-  - [Starter Template](https://github.com/joaomdmoura/crewAI-examples/tree/main//starter_template)
+  - [Starter Template](.//starter_template)
 ### Advanced Examples
-- [Stock Analysis](https://github.com/joaomdmoura/crewAI-examples/tree/main/stock_analysis)
-- [Landing Page Generator](https://github.com/joaomdmoura/crewAI-examples/tree/main/landing_page_generator)
-- [CrewAI + LangGraph](https://github.com/joaomdmoura/crewAI-examples/tree/main/CrewAI-LangGraph)
+- [Stock Analysis](./stock_analysis)
+- [Landing Page Generator](./landing_page_generator)
+- [CrewAI + LangGraph](./CrewAI-LangGraph)
+- [Browserbase](./browserbase_flights)

browserbase_flights/.env.example

@@ -0,0 +1,2 @@
+OPENAI_API_KEY=
+BROWSERBASE_API_KEY=

browserbase_flights/.gitignore

@@ -0,0 +1,164 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+.ruff_cache

browserbase_flights/README.md

@@ -0,0 +1,28 @@
+# crewAI + Browserbase flight search
+
+The following is a multi-task, multi-agent, multi-tool example for AI-based flight search using Skyscanner and Browserbase.
+
+## Installation
+
+```
+pip install crewai 'crewai[tools]' html2text playwright
+```
+
+Set the required environment variables:
+
+```
+export OPENAI_API_KEY=
+export BROWSERBASE_API_KEY=
+```
+
+Optionally, set a different model in CrewAI:
+
+```
+export OPENAI_MODEL_NAME=gpt-4-turbo
+```
+
+## Demo
+
+```
+python3 demo.py "Sofia to Berlin one-way on 26th May"
+```

browserbase_flights/bb.py

@@ -0,0 +1,26 @@
+import os
+from crewai_tools import tool
+from playwright.sync_api import sync_playwright
+from html2text import html2text
+from time import sleep
+
+
+@tool("Browserbase tool")
+def browserbase(url: str):
+    """
+    Loads a URL using a headless webbrowser
+    """
+    with sync_playwright() as playwright:
+        browser = playwright.chromium.connect_over_cdp(
+            "wss://connect.browserbase.com?apiKey=" + os.environ["BROWSERBASE_API_KEY"]
+        )
+        context = browser.contexts[0]
+        page = context.pages[0]
+        page.goto(url)
+
+        sleep(5)
+
+        page.screenshot(path="screenshot.png")
+        content = html2text(page.content())
+        browser.close()
+        return content

browserbase_flights/demo.py

@@ -0,0 +1,71 @@
+import sys
+from crewai import Crew, Process, Task, Agent
+from bb import browserbase
+from skyscanner import skyscanner
+
+output_search_example = """
+Here are our top 5 flights from Sofia to Berlin on 24th May 2024:
+
+1. Bulgaria Air: Departure: 14:45, Arrival: 15:55, Duration: 2 hours 10 minutes, Layovers: Munich, 2 hours layover, Price: £123, Flight page: https://www.skyscanner.net/transport/flights/sof/ber/240524/240526/config/16440-2405241445--32474-0-9828-2405241555|9828-2405262255--32474-0-16440-2405270205
+"""
+
+output_result_example = """
+Here are our top 5 flight options from Sofia to Berlin on 24th May 2024:
+
+1. Bulgaria Air:
+   - Departure: 14:45
+   - Arrival: 15:55
+   - Duration: 2 hours 10 minutes
+   - Layovers: Munich, 2 hours layover
+   - Price: £123
+   - Booking options:
+        1. [MyTrip](https://www.skyscanner.net/transport_deeplink/4.0/UK/en-GB/GBP/ctuk/1/16440.9828.2024-05-26/air/trava/flights?itinerary=flight|-32474|319|16440|2024-05-26T21:05|9828|2024-05-26T22:15|130|-|-|-&carriers=-32474&operators=-32474&passengers=1&channel=website&cabin_class=economy&fps_session_id=20287887-26ad-45dc-b225-28fb4b9d8357&ticket_price=126.90&is_npt=false&is_multipart=false&client_id=skyscanner_website&request_id=4b423165-9b7b-4281-9596-cfcd6b0bb4e0&q_ids=H4sIAAAAAAAA_-NS52JJLinNFmLh2NHAKMXM8cRHoeH7yU1sRkwKjEWsqXm67k5VzO5OAQASECl8KQAAAA|8257781087420252411|2&q_sources=JACQUARD&commercial_filters=false&q_datetime_utc=2024-05-22T13:45:58&pqid=true&booking_panel_option_guid=dfb1f593-22dc-4565-8540-5f4f70979b9b&index=0&isbp=1&posidx=0&qid=16440-2405262105--32474-0-9828-2405262215&sort=BEST&stops=0&tabs=CombinedDayView&pre_redirect_id=7cdb112a-3842-4a51-b228-1cbcbc4c8094&redirect_id=a8541976-84a8-4161-849c-c7a6343125ae&is_acorn_referral=true)
+"""
+
+flights = Agent(
+    role="Flights",
+    goal="Search flights",
+    backstory="I am an agent that can search for flights.",
+    verbose=True,
+    tools=[skyscanner, browserbase],
+    allow_delegation=False,
+)
+
+summarize_agent = Agent(
+    role="Summarize",
+    goal="Summarize content",
+    backstory="I am an agent that can summarize text.",
+    verbose=True,
+    allow_delegation=False,
+)
+
+search_task = Task(
+    description=(
+        "Search flights according to criteria {request}. Current year: {current_year}"
+    ),
+    expected_output=output_search_example,
+    agent=flights,
+    human_input=False,  # Optional
+)
+
+search_providers = Task(
+    description="Load every flight individually and find available booking providers",
+    expected_output=output_result_example,
+    agent=flights,
+    human_input=False,
+)
+
+crew = Crew(
+    agents=[flights, summarize_agent],
+    tasks=[search_task, search_providers],
+    process=Process.sequential,
+    memory=False,  # Do i need this?
+    cache=True,
+    max_rpm=100,
+)
+
+result = crew.kickoff(
+    inputs={"request": sys.argv[1], "current_year": 2024}
+)
+
+print(result)

browserbase_flights/skyscanner.py

@@ -0,0 +1,19 @@
+# https://www.skyscanner.net/transport/flights/sof/ber/240521
+
+from crewai_tools import tool
+from typing import Optional
+
+
+@tool("SkyScanner tool")
+def skyscanner(
+    departure: str, destination: str, date: int, return_date: Optional[int] = 0
+) -> str:
+    """
+    Generates a SkyScanner URL for flights between departure and destination on the specified date.
+
+    :param departure: The IATA code for the departure airport (e.g., 'sof' for Sofia)
+    :param destination: The IATA code for the destination airport (e.g., 'ber' for Berlin)
+    :param date: The date of the flight in the format 'yymmdd'
+    :return_date: Only for two-way tickets. The date of return flight in the format 'yymmdd'
+    """
+    return f"https://www.skyscanner.net/transport/flights/{departure}/{destination}/{date}/{return_date}"