TheLovinator/discord-embed
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Fix line length, use os.path.join and other small things

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This commit is contained in:
Joakim Hellsén
2022-03-01 04:22:42 +01:00
parent 5c909af597
commit 100da53031
2 changed files with 56 additions and 50 deletions
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91
discord_embed/main.py
View File

@ -1,3 +1,4 @@
import os
import sys
from datetime import datetime
from pathlib import Path
@ -40,15 +41,16 @@ def normal_file_uploaded(file: UploadFile) -> Dict[str, str]:
Dict[str, str]: Returns URL for file.
"""
# Save file to disk.
with open(f"{Settings.upload_folder}/{file.filename}", "wb+") as file_object:
file_object.write(file.file.read())
folder_filename = os.path.join(Settings.upload_folder, file.filename)
with open(folder_filename, "wb+") as f:
f.write(file.file.read())
hook.send(f"{Settings.domain}/{file.filename} was uploaded.")
return {"html_url": f"{Settings.domain}/{file.filename}"}
def video_file_uploaded(file: UploadFile) -> Dict[str, str]:
"""Save video to disk, generate HTML, thumbnail, and return the .HTML file instead of the file.
"""Save video to disk, generate HTML, thumbnail, and return a .html URL.
Args:
file (UploadFile): Our file object.
@ -57,18 +59,23 @@ def video_file_uploaded(file: UploadFile) -> Dict[str, str]:
Dict[str, str]: Returns URL for video.
"""
# Create folder if it doesn't exist.
Path(f"{Settings.upload_folder}/video").mkdir(parents=True, exist_ok=True)
folder_video = os.path.join(Settings.upload_folder, "video")
Path(folder_video).mkdir(parents=True, exist_ok=True)
# Save file to disk.
with open(f"{Settings.upload_folder}/video/{file.filename}", "wb+") as file_object:
file_object.write(file.file.read())
file_location = os.path.join(folder_video, file.filename)
with open(file_location, "wb+") as f:
f.write(file.file.read())
file_url = f"{Settings.domain}/video/{file.filename}"
file_location = f"{Settings.upload_folder}/video/{file.filename}"
height, width = find_video_resolution(file_location)
screenshot_url = make_thumbnail_from_video(file_location, file.filename)
html_url = generate_html_for_videos(
filename=file.filename, url=file_url, width=width, height=height, screenshot=screenshot_url
url=file_url,
width=width,
height=height,
screenshot=screenshot_url,
filename=file.filename,
)
hook.send(f"{Settings.domain}/{file.filename} was uploaded.")
return {"html_url": f"{html_url}"}
@ -84,28 +91,29 @@ def text_file_uploaded(file: UploadFile) -> Dict[str, str]:
Dict[str, str]: Returns URL for file.
"""
# Create folder if it doesn't exist.
Path(f"{Settings.upload_folder}/text").mkdir(parents=True, exist_ok=True)
text_location = os.path.join(Settings.upload_folder, "text")
Path(text_location).mkdir(parents=True, exist_ok=True)
save_location = f"{Settings.upload_folder}/text/{file.filename}"
save_location = os.path.join(text_location, file.filename)
# Save file to disk.
with open(save_location, "wb+") as file_object:
file_object.write(file.file.read())
with open(save_location, "wb+", encoding="utf-8") as f:
f.write(file.file.read())
with open(save_location, encoding="utf-8") as file_object:
lines = file_object.read()
with open(save_location, encoding="utf-8") as f:
lines = f.read()
colored_text = highlight(
lines,
guess_lexer(lines),
HtmlFormatter(
style="fruity", # Dark style
linenos="table", # Output line numbers as a table w/ two cells, one with line numbers, other with code
linenos="table", # Output line numbers
full=True, # Use inline styles instead of CSS classes.
filename=f"{file.filename}",
filename=file.filename,
),
)
with open(f"{Settings.upload_folder}/{file.filename}.html", "w", encoding="utf-8") as file_object:
file_object.write(colored_text)
html_color = os.path.join(Settings.upload_folder, f"{file.filename}.html")
with open(html_color, "w", encoding="utf-8") as f:
f.write(colored_text)
html_url = f"{Settings.domain}/{file.filename}.html"
@ -117,15 +125,16 @@ def text_file_uploaded(file: UploadFile) -> Dict[str, str]:
async def upload_file(file: UploadFile = File(...)) -> Dict[str, str]:
"""Page for uploading files.
If it is a video, we need to make a HTML file, and a thumbnail otherwise we can just save
the file and return the URL for it.
If it is a video, we need to make a HTML file, and a thumbnail
otherwise we can just save the file and return the URL for it.
If something goes wrong, we will send a message to Discord.
Args:
file (UploadFile): Our uploaded file.
Returns:
Dict[str, str]: Returns a dict with the filename or a link to the .html if it was a video.
Dict[str, str]: Returns a dict with the filename or a link to
the .html if it was a video.
"""
try:
if file.content_type.startswith("video/"):
@ -139,14 +148,14 @@ async def upload_file(file: UploadFile = File(...)) -> Dict[str, str]:
):
return text_file_uploaded(file)
with open(f"{Settings.upload_folder}/{file.filename}", "wb+") as file_object:
file_object.write(file.file.read())
hook.send(f"{Settings.domain}/{file.filename} was uploaded.")
return {"html_url": f"{Settings.domain}/{file.filename}"}
with open(f"{Settings.upload_folder}/{file.filename}", "wb+") as f:
f.write(file.file.read())
domain_url = f"{Settings.domain}/{file.filename}"
hook.send(f"{domain_url} was uploaded.")
return {"html_url": domain_url}
except Exception as e:
# TODO: Change response code to 400.
hook.send(f"Something went wrong for {Settings.domain}/{file.filename}:\n{e}")
hook.send(f"Something went wrong for {domain_url}:\n{e}")
return {"error": f"Something went wrong: {e}"}
@ -178,7 +187,7 @@ async def main():
"""
def generate_html_for_videos(url: str, width: int, height: int, screenshot: str, filename: str) -> str:
def generate_html_for_videos(url: str, width: int, height: int, screenshot: str, filename: str) -> str: # noqa: E501
"""Generate HTML for video files.
This is what we will send to other people on Discord.
@ -193,8 +202,8 @@ def generate_html_for_videos(url: str, width: int, height: int, screenshot: str,
url (str): URL for the video. This is accessible from the browser.
width (int): This is the width of the video.
height (int): This is the height of the video.
screenshot (str): URL for screenshot. This is what you will see in Discord.
filename (str): Original video filename. We will append .html to the filename.
screenshot (str): URL for screenshot.
filename (str): Original video filename.
Returns:
str: [description]
@ -214,13 +223,14 @@ def generate_html_for_videos(url: str, width: int, height: int, screenshot: str,
</head>
</html>
"""
html_url = f"{Settings.domain}/{filename}"
html_url = os.path.join(Settings.domain, filename)
# Take the filename and append .html to it.
filename += ".html"
with open(f"{Settings.upload_folder}/{filename}", "w", encoding="utf-8") as file:
file.write(video_html)
file_path = os.path.join(Settings.upload_folder, filename)
with open(file_path, "w", encoding="utf-8") as f:
f.write(video_html)
return html_url
@ -235,10 +245,7 @@ def find_video_resolution(path_to_video: str) -> tuple[int, int]:
tuple[int, int]: Returns height and width.
"""
probe = ffmpeg.probe(path_to_video)
video_stream = next(
(stream for stream in probe["streams"] if stream["codec_type"] == "video"),
None,
)
video_stream = next((stream for stream in probe["streams"] if stream["codec_type"] == "video"), None) # noqa: E501
if video_stream is None:
print("No video stream found", file=sys.stderr)
sys.exit(1)
@ -260,10 +267,10 @@ def make_thumbnail_from_video(path_video: str, file_filename: str) -> str:
str: Returns thumbnail filename.
"""
(
ffmpeg.input(path_video, ss="1") # Take a screenshot at 1 second.
.output(f"{Settings.upload_folder}/{file_filename}.jpg", vframes=1) # Output to file.
.overwrite_output() # Overwrite output.
.run() # Run.
ffmpeg.input(path_video, ss="1")
.output(f"{Settings.upload_folder}/{file_filename}.jpg", vframes=1)
.overwrite_output()
.run()
)
# Return URL for thumbnail.
return f"{Settings.domain}/{file_filename}.jpg"

15
discord_embed/settings.py
View File

@ -7,8 +7,9 @@ from dotenv import load_dotenv
class Settings:
description = (
"Discord will only create embeds for videos and images if they are smaller than 8 mb. We can 'abuse' this"
" by creating a .html that contains the 'twitter:player' HTML meta tag linking to the video."
"Discord will only create embeds for videos and images if they are "
"smaller than 8 mb. We can 'abuse' this by creating a .html that "
"contains the 'twitter:player' HTML meta tag linking to the video."
)
# Load environment variables
load_dotenv()
@ -19,7 +20,7 @@ class Settings:
except KeyError:
sys.exit("discord-embed: Environment variable 'DOMAIN' is missing!")
# We check if the domain ends with a forward slash. If it does, we remove it.
# Remove trailing slash from domain
if domain.endswith("/"):
domain = domain[:-1]
@ -27,12 +28,12 @@ class Settings:
try:
upload_folder = os.environ["UPLOAD_FOLDER"]
except KeyError:
sys.exit("discord-embed: Environment variable 'UPLOAD_FOLDER' is missing!")
sys.exit("Environment variable 'UPLOAD_FOLDER' is missing!")
# Create upload_folder if it doesn't exist.
pathlib.Path(upload_folder).mkdir(parents=True, exist_ok=True)
# We check if the upload folder ends with a forward slash. If it does, we remove it.
# Remove trailing slash from upload_folder
if upload_folder.endswith("/"):
upload_folder = upload_folder[:-1]
@ -40,6 +41,4 @@ class Settings:
try:
webhook_url = os.environ["WEBHOOK_URL"]
except KeyError:
sys.exit(
"Environment variable 'WEBHOOK_URL' is missing! You may have to restart your terminal or IDE to set it."
)
sys.exit("Environment variable 'WEBHOOK_URL' is missing!")