-
Notifications
You must be signed in to change notification settings - Fork 1
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Add dockerfile for bistro om parser #44
Merged
Changes from all commits
Commits
File filter
Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -19,6 +19,7 @@ jobs: | |
- sbt | ||
- slurm-docker-cluster | ||
- wklink | ||
- om-bistro | ||
runs-on: ubuntu-latest | ||
|
||
steps: | ||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,13 @@ | ||
|
||
FROM python:3.8-slim-buster | ||
|
||
WORKDIR /python-docker | ||
|
||
COPY requirements.txt requirements.txt | ||
RUN pip3 install -r requirements.txt | ||
|
||
COPY . . | ||
|
||
ENV FLASK_APP openmensa_server | ||
|
||
CMD [ "python3", "-m" , "flask", "run", "--host=0.0.0.0"] |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,46 @@ | ||
import datetime | ||
|
||
from flask import Flask, make_response, Response | ||
|
||
from pdf_downloader import download_pdf | ||
from pdf_parser import parse_pdf | ||
|
||
app = Flask(__name__) | ||
|
||
last_download = datetime.date.fromtimestamp(0) | ||
|
||
|
||
@app.route("/feed") | ||
def feed(): | ||
global last_download | ||
# limit downloads to once a day | ||
if last_download is None or last_download != datetime.date.today(): | ||
download_pdf() | ||
last_download = datetime.date.today() | ||
return parse_pdf() | ||
|
||
|
||
@app.route("/meta") | ||
def meta(): | ||
xml = """ | ||
<openmensa version="2.1" | ||
xmlns="http://openmensa.org/open-mensa-v2" | ||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
xsi:schemaLocation="http://openmensa.org/open-mensa-v2 http://openmensa.org/open-mensa-v2.xsd"> | ||
<canteen> | ||
<name>Schraders Bistro</name> | ||
<address>August-Bebel-Straße 26–53 14482 Potsdam</address> | ||
<availability>public</availability> | ||
<feed name="full"> | ||
<url>https://openmensa.scm.io/feed</url> | ||
<schedule dayOfMonth="*" dayOfWeek="1" hour="8"/> | ||
</feed> | ||
</canteen> | ||
</openmensa> | ||
""" | ||
return Response(xml, mimetype="text/xml") | ||
|
||
|
||
@app.route("/health_check") | ||
def health_check(): | ||
return make_response("OK", 200) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,27 @@ | ||
import datetime | ||
|
||
import requests | ||
|
||
# Reference: | ||
# https://ein-anderes-mahl.de/wp-content/uploads/2023/04/Speisen-Schraders-11.09.-15.09.2023.pdf | ||
|
||
|
||
def get_current_pdf(): | ||
current_week_monday = datetime.date.today() - datetime.timedelta( | ||
days=datetime.date.today().weekday() | ||
) | ||
current_week_friday = current_week_monday + datetime.timedelta(days=4) | ||
current_week_monday_string = current_week_monday.strftime("%d.%m.") | ||
current_week_friday_string = current_week_friday.strftime("%d.%m.%Y") | ||
return f"https://ein-anderes-mahl.de/wp-content/uploads/2023/04/Speisen-Schraders-{current_week_monday_string}-{current_week_friday_string}.pdf" | ||
|
||
|
||
def download_pdf(): | ||
pdf_url = get_current_pdf() | ||
r = requests.get(pdf_url) | ||
with open("downloaded.pdf", "wb") as f: | ||
f.write(r.content) | ||
|
||
|
||
if __name__ == "__main__": | ||
download_pdf() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,101 @@ | ||
import datetime | ||
import re | ||
|
||
from dateutil.parser import parse | ||
from pdfquery import PDFQuery | ||
from pyopenmensa.feed import LazyBuilder | ||
|
||
days = ["Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag"] | ||
|
||
|
||
|
||
def get_text_until_next_day(pdf, day_label): | ||
query = f"LTTextLineHorizontal:contains('{day_label}')" | ||
day_element = pdf.pq(query)[0] | ||
|
||
def is_date_demarker(element): | ||
text = element.getchildren()[0].text | ||
for day in [ | ||
*days, | ||
"wechselnden Speisen", | ||
]: # "wechselnden Speisen" is a hacky delimiter for the last day | ||
if day in text: | ||
return True | ||
return False | ||
|
||
current_element = day_element.getnext() | ||
strings = [] | ||
while not is_date_demarker(current_element): | ||
for child in current_element.getchildren(): | ||
strings.append(child.text) | ||
current_element = current_element.getnext() | ||
return strings | ||
|
||
|
||
def filter_texts(texts): | ||
price_regex = r"^\d,\d\d?$" | ||
for text in texts: | ||
text = text.strip() | ||
if text == "": | ||
continue | ||
if re.fullmatch(price_regex, text): | ||
continue | ||
yield text | ||
|
||
|
||
def parse_texts_into_meals(texts): | ||
match = "" | ||
for text in filter_texts(texts): | ||
if text.startswith("- "): | ||
if match != "": | ||
yield match | ||
match = "" | ||
match += text[2:] | ||
continue | ||
elif match != "": | ||
match += " " + text | ||
if match != "": | ||
yield match | ||
|
||
|
||
def get_meals_for_day(pdf, day_label): | ||
texts = get_text_until_next_day(pdf, day_label) | ||
return list(parse_texts_into_meals(texts)) | ||
|
||
|
||
def find_monday_date(pdf) -> datetime.date: | ||
try: | ||
date_string = ( | ||
pdf.pq("LTTextLineHorizontal:contains('Mittagstisch vom')")[0] | ||
.getchildren()[0] | ||
.text | ||
) | ||
daterx = r"\d\d\.\d\d" | ||
first_date = re.findall(daterx, date_string)[0] | ||
return parse(first_date).date() | ||
except Exception: | ||
print("Could not parse date") | ||
|
||
|
||
def parse_pdf(): | ||
pdf_path = "downloaded.pdf" | ||
pdf = PDFQuery(pdf_path) | ||
pdf.load() | ||
|
||
canteen = LazyBuilder() | ||
canteen.name = "Schraders Bistro" | ||
canteen.city = "Potsdam" | ||
|
||
current_day = find_monday_date(pdf) | ||
|
||
for day in days: | ||
for i, food in enumerate(get_meals_for_day(pdf, day)): | ||
category = "Fleischlos" if i == 0 else "Fleischlich" # Until now, vegetarian food is always first | ||
canteen.addMeal(current_day, category, food) | ||
current_day = current_day + datetime.timedelta(days=1) | ||
|
||
return canteen.toXMLFeed() | ||
|
||
|
||
if __name__ == "__main__": | ||
print(parse_pdf()) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,5 @@ | ||
pdfquery | ||
pyopenmensa | ||
python-dateutil | ||
requests | ||
flask |
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Let's hope the URL stays stable!