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Fix to launching on Windows (#511)

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Fallback to previous launch if on Windows.

Fixes #502
This commit is contained in:
Gustavo Schaedler 2023-06-19 14:09:06 +01:00 • committed by GitHub
commit 8b71af9848
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3 changed files with 33 additions and 14 deletions
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26
poetry.lock generated
View file

@ -909,14 +909,14 @@ test-randomorder = ["pytest-randomly"]
[[package]]
name = "ctransformers"
version = "0.2.8"
version = "0.2.9"
description = "Python bindings for the Transformer models implemented in C/C++ using GGML library."
category = "main"
optional = false
python-versions = "*"
files = [
{file = "ctransformers-0.2.8-py3-none-any.whl", hash = "sha256:9804640364c13d93d58bfb6a9a1fa90d34b6438955d842c68ab05e5f8f15e023"},
{file = "ctransformers-0.2.8.tar.gz", hash = "sha256:81c0436d8b5315211496566294d51e7bbd07cf6e4305608262eab04603b74b65"},
{file = "ctransformers-0.2.9-py3-none-any.whl", hash = "sha256:ff0183ccf2bf157102cffacea13476cb78b8a2ffc2e1fdd46b57f8682a8da8ac"},
{file = "ctransformers-0.2.9.tar.gz", hash = "sha256:2165c512ee153f763c3d4ab133d666f86460010330d6bc75c0a6db6310ec9fc8"},
]
[package.dependencies]
@ -2444,14 +2444,14 @@ test = ["psutil", "pytest", "pytest-asyncio"]
[[package]]
name = "langchainplus-sdk"
version = "0.0.10"
version = "0.0.11"
description = "Client library to connect to the LangChainPlus LLM Tracing and Evaluation Platform."
category = "main"
optional = false
python-versions = ">=3.8.1,<4.0"
files = [
{file = "langchainplus_sdk-0.0.10-py3-none-any.whl", hash = "sha256:6ea4013a92a4c33a61d22deb49620577c592a79ee44038b2c751032a71cbc7b6"},
{file = "langchainplus_sdk-0.0.10.tar.gz", hash = "sha256:4f810b38df74a99d01e5723e653da02f05df3ee922971cccabc365d00c33dbf6"},
{file = "langchainplus_sdk-0.0.11-py3-none-any.whl", hash = "sha256:fbe3482ffe253e439ec8386a2904594a875b590e29e4adcbd938452a69a6c7c6"},
{file = "langchainplus_sdk-0.0.11.tar.gz", hash = "sha256:e50679309a31d9526f467aa13d4dbcfba0dc00a295cea72ffcc9972865ecac1b"},
]
[package.dependencies]
@ -3812,14 +3812,14 @@ test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.3.1)", "pytest-
[[package]]
name = "pluggy"
version = "1.0.0"
version = "1.1.0"
description = "plugin and hook calling mechanisms for python"
category = "dev"
optional = false
python-versions = ">=3.6"
python-versions = ">=3.7"
files = [
{file = "pluggy-1.0.0-py2.py3-none-any.whl", hash = "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"},
{file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
{file = "pluggy-1.1.0-py3-none-any.whl", hash = "sha256:d81d19a3a88d82ed06998353ce5d5c02587ef07ee2d808ae63904ab0ccef0087"},
{file = "pluggy-1.1.0.tar.gz", hash = "sha256:c500b592c5512df35622e4faf2135aa0b7e989c7d31344194b4afb9d5e47b1bf"},
]
[package.extras]
@ -4265,14 +4265,14 @@ files = [
[[package]]
name = "pyparsing"
version = "3.0.9"
version = "3.1.0"
description = "pyparsing module - Classes and methods to define and execute parsing grammars"
category = "main"
optional = false
python-versions = ">=3.6.8"
files = [
{file = "pyparsing-3.0.9-py3-none-any.whl", hash = "sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc"},
{file = "pyparsing-3.0.9.tar.gz", hash = "sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb"},
{file = "pyparsing-3.1.0-py3-none-any.whl", hash = "sha256:d554a96d1a7d3ddaf7183104485bc19fd80543ad6ac5bdb6426719d766fb06c1"},
{file = "pyparsing-3.1.0.tar.gz", hash = "sha256:edb662d6fe322d6e990b1594b5feaeadf806803359e3d4d42f11e295e588f0ea"},
]
[package.extras]

2
pyproject.toml
View file

@ -1,6 +1,6 @@
[tool.poetry]
name = "langflow"
version = "0.1.2"
version = "0.1.3"
description = "A Python package with a built-in web application"
authors = ["Logspace <contact@logspace.ai>"]
maintainers = [

19
src/backend/langflow/__main__.py
View file

@ -152,6 +152,17 @@ def serve(
"timeout": timeout,
}
if platform.system() in ["Windows"]:
# Run using uvicorn on MacOS and Windows
# Windows doesn't support gunicorn
# MacOS requires an env variable to be set to use gunicorn
run_on_windows(host, port, log_level, options, app)
else:
# Run using gunicorn on Linux
run_on_mac_or_linux(host, port, log_level, options, app, open_browser)
def run_on_mac_or_linux(host, port, log_level, options, app, open_browser=True):
webapp_process = Process(
target=run_langflow, args=(host, port, log_level, options, app)
)
@ -169,6 +180,14 @@ def serve(
webbrowser.open(f"http://{host}:{port}")
def run_on_windows(host, port, log_level, options, app):
"""
Run the Langflow server on Windows.
"""
print_banner(host, port)
run_langflow(host, port, log_level, options, app)
def setup_static_files(app: FastAPI, static_files_dir: Path):
"""
Setup the static files directory.