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import datetime
import itertools
import logging
import pathlib
import re
import subprocess
import textwrap
import htmlgenerator as h
import bicephalus
from bicephalus import main as bicephalus_main
from bicephalus import otel
from bicephalus import ssl
def tidy(s):
p = subprocess.run(
["tidy", "--indent", "yes", "-q", "-wrap", "160"],
input=s,
stdout=subprocess.PIPE,
encoding="UTF8",
)
return p.stdout
def html_template(*content):
return tidy(
h.render(
h.HTML(
h.HEAD(h.TITLE("El blog es mío")),
h.BODY(
h.H1("El blog es mío"),
h.H2("Hay otros como él, pero este es el mío"),
*content,
),
),
{},
)
)
class BasePage:
def __init__(self, request):
self.request = request
def response(self):
if self.request.proto == bicephalus.Proto.GEMINI:
status, content_type, content = self.get_gemini_content()
elif self.request.proto == bicephalus.Proto.HTTP:
status, content_type, content = self.get_http_content()
else:
assert False, f"unknown protocol {self.request.proto}"
return bicephalus.Response(
content=content.encode("utf8"),
content_type=content_type,
status=bicephalus.Status.OK,
)
class Entry:
def __init__(self, path: pathlib.Path):
assert path.is_relative_to(pathlib.Path("content")), f"bad path {path}"
self.path = path
self.content = path.read_text()
@property
def title(self):
return self.content.splitlines()[0][2:]
@property
def posted(self):
return datetime.date.fromisoformat(self.content.splitlines()[1])
@property
def uri(self):
return f"/{self.path.parts[1]}/{self.path.parts[2]}/{self.path.stem}/"
class Root(BasePage):
def entries(self):
entries = map(Entry, pathlib.Path("content").glob("*/*/*.gmi"))
return sorted(entries, key=lambda e: e.posted, reverse=True)
def get_gemini_content(self):
posts = "\n".join([f"=> {e.uri} {e.posted} {e.title}" for e in self.entries()])
content = (
textwrap.dedent(
"""\
# El blog es mío
## Hay otros como él, pero este es el mío
____
"""
)
+ posts
)
return bicephalus.Status.OK, "text/gemini", content
def get_http_content(self):
posts = [
(h.H3(h.A(f"{e.title} ({e.posted})", href=e.uri))) for e in self.entries()
]
return (
bicephalus.Status.OK,
"text/html",
html_template(*itertools.chain(posts)),
)
class EntryPage(BasePage):
def __init__(self, request, path):
super().__init__(request)
self.path = path
self.entry = Entry(path)
def get_gemini_content(self):
return bicephalus.Status.OK, "text/gemini", self.entry.content
def get_http_content(self):
return (
bicephalus.Status.OK,
"text/html",
html_template(
h.PRE(self.entry.content),
),
)
class NotFound(BasePage):
def get_gemini_content(self):
# TODO: does not work!
return (
bicephalus.Status.NOT_FOUND,
"text/gemini",
f"{self.request.path} not found",
)
def get_http_content(self):
return (
bicephalus.Status.NOT_FOUND,
"text/html",
f"{self.request.path} not found",
)
def handler(request: bicephalus.Request) -> bicephalus.Response:
if request.path == "/":
return Root(request).response()
if re.match(r"/\d{4}/\d{2}/.*/", request.path):
blog_file = pathlib.Path("content") / (request.path[1:-1] + ".gmi")
if blog_file.exists():
return EntryPage(request, blog_file).response()
return NotFound(request).response()
def main():
otel.configure_logging(logging.INFO)
with ssl.temporary_ssl_context("localhost") as ssl_context:
bicephalus_main.main(handler, ssl_context, 8000)
if __name__ == "__main__":
main()
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