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-rw-r--r--blog_v2/src/blog/gemtext.py348
1 files changed, 0 insertions, 348 deletions
diff --git a/blog_v2/src/blog/gemtext.py b/blog_v2/src/blog/gemtext.py
deleted file mode 100644
index 3fe293a9..00000000
--- a/blog_v2/src/blog/gemtext.py
+++ /dev/null
@@ -1,348 +0,0 @@
-import dataclasses
-import re
-import textwrap
-
-import htmlgenerator as h
-
-from blog import pretty
-
-
-def parse(s):
- r"""
- >>> parse('''# Header 1
- ...
- ... ## Header 2
- ...
- ... ### Header 3
- ...
- ... * List 1
- ... * List 2
- ...
- ... > First line quote.
- ... > Second line of quote.
- ...
- ... ```
- ... Fenced
- ... Lines
- ... ```
- ...
- ... Paragraph.
- ...
- ... Another paragraph.
- ... ''')
- [Header(level=1, text='Header 1'),
- Line(text=''),
- Header(level=2, text='Header 2'),
- Line(text=''),
- Header(level=3, text='Header 3'),
- Line(text=''),
- List(items=[ListItem(text='List 1'),
- ListItem(text='List 2')]),
- Line(text=''),
- BlockQuote(lines=[BlockQuoteLine(text='First line quote.'),
- BlockQuoteLine(text='Second line of quote.')]),
- Line(text=''),
- Pre(content='Fenced\nLines\n'),
- Line(text=''),
- Line(text='Paragraph.'),
- Line(text=''),
- Line(text='Another paragraph.')]
- """
- lines = s.splitlines()
-
- i = 0
- gem = []
-
- while i < len(lines):
- line = parse_line(lines[i])
-
- if isinstance(line, Link):
- gem.append(line)
- i = i + 1
- continue
-
- if isinstance(line, Header):
- gem.append(line)
- i = i + 1
- continue
-
- if isinstance(line, ListItem):
- items = []
- while i < len(lines) and isinstance(parse_line(lines[i]), ListItem):
- items.append(parse_line(lines[i]))
- i = i + 1
- gem.append(List(items))
- continue
-
- if isinstance(line, BlockQuoteLine):
- quotes = []
- while i < len(lines) and isinstance(parse_line(lines[i]), BlockQuoteLine):
- quotes.append(parse_line(lines[i]))
- i = i + 1
- gem.append(BlockQuote(quotes))
- continue
-
- if isinstance(line, PreFence):
- content = ""
- i = i + 1
- while i < len(lines) and not isinstance(parse_line(lines[i]), PreFence):
- content += lines[i]
- content += "\n"
- i = i + 1
- gem.append(Pre(content))
- i = i + 1
- continue
-
- gem.append(line)
- i = i + 1
-
- return gem
-
-
-def parse_line(l):
- if Link.is_link(l):
- return Link(l)
- if Header.is_header(l):
- return Header(l)
- if ListItem.is_list_item(l):
- return ListItem(l)
- if BlockQuoteLine.is_block_quote_line(l):
- return BlockQuoteLine(l)
- if PreFence.is_pre_fence(l):
- return PreFence()
- return Line(l)
-
-
-@dataclasses.dataclass
-class Link:
- """
- >>> Link("=> http://example.com")
- Link(url='http://example.com', text=None)
-
- >>> Link("=> http://example.com Example text")
- Link(url='http://example.com', text='Example text')
- """
-
- url: str
- text: str | None
-
- def __init__(self, line: str):
- assert Link.is_link(line)
- parts = line.split(None, 2)
- self.url = parts[1]
- self.text = parts[2] if len(parts) > 2 else None # noqa: PLR2004, > 2 "magic constant"
-
- @staticmethod
- def is_link(line: str):
- return line.startswith("=>")
-
-
-@dataclasses.dataclass
-class Header:
- """
- >>> Header("# Level one")
- Header(level=1, text='Level one')
-
- >>> Header("## Level two")
- Header(level=2, text='Level two')
-
- >>> Header("### Level three")
- Header(level=3, text='Level three')
- """
-
- level: int
- text: str
-
- def __init__(self, line: str):
- assert Header.is_header(line)
- hashes, self.text = line.split(None, 1)
- self.level = len(hashes)
-
- @staticmethod
- def is_header(line: str):
- return re.match("#{1,3} .*", line)
-
-
-@dataclasses.dataclass
-class ListItem:
- """
- >>> ListItem("* foo")
- ListItem(text='foo')
- """
-
- text: str
-
- def __init__(self, line: str):
- assert ListItem.is_list_item(line)
- self.text = line[2:]
-
- @staticmethod
- def is_list_item(line: str):
- return line.startswith("* ")
-
-
-@dataclasses.dataclass
-class BlockQuoteLine:
- """
- >>> BlockQuoteLine("> foo")
- BlockQuoteLine(text='foo')
-
- >>> BlockQuoteLine(">foo")
- BlockQuoteLine(text='foo')
- """
-
- text: str
-
- def __init__(self, line: str):
- assert BlockQuoteLine.is_block_quote_line(line)
- self.text = line[2:] if line.startswith("> ") else line[1:]
-
- @staticmethod
- def is_block_quote_line(line: str):
- return line.startswith(">")
-
-
-class PreFence:
- @staticmethod
- def is_pre_fence(line: str):
- return line == "```"
-
-
-@dataclasses.dataclass
-class Line:
- text: str
-
-
-@dataclasses.dataclass
-class List:
- items: list[ListItem]
-
-
-@dataclasses.dataclass
-class BlockQuote:
- lines: list[BlockQuoteLine]
-
-
-@dataclasses.dataclass
-class Pre:
- content: str
-
-
-def convert(gemtext, title=None, feed=None):
- content = parse(gemtext)
- if not title:
- title = content[0]
- assert isinstance(title, Header), title
- assert title.level == 1
- title = title.text
-
- if feed:
- href, title = feed
- feed = [
- h.LINK(
- rel="alternate",
- type="application/rss+xml",
- title=title,
- href=href,
- ),
- ]
- else:
- feed = []
- return pretty.pretty_html(
- h.render(
- h.HTML(
- h.HEAD(
- h.TITLE(title),
- h.STYLE(
- textwrap.dedent("""
- :root {
- color-scheme: light dark;
- }
- body {
- max-width: 40em;
- margin-left: auto;
- margin-right: auto;
- padding-left: 2em;
- padding-right: 2em;
- }
- p, blockquote, li {
- /* from Mozilla reader mode */
- line-height: 1.6em;
- font-size: 20px;
- }
- """).lstrip()
- ),
- *feed,
- ),
- h.BODY(
- *gemini_to_html(content),
- ),
- doctype="html",
- ),
- {},
- )
- )
-
-
-def gemini_to_html(parsed): # noqa: C901, PLR0912, PLR0915
- i = 0
- result = []
- while i < len(parsed):
- gem_element = parsed[i]
-
- if isinstance(gem_element, Header):
- header = [h.H1, h.H2, h.H3, h.H4, h.H5, h.H6][gem_element.level - 1]
- result.append(header(gem_element.text))
- i = i + 1
- continue
-
- if isinstance(gem_element, List):
- result.append(h.UL(*[h.LI(i.text) for i in gem_element.items]))
- i = i + 1
- continue
-
- if isinstance(gem_element, Link):
- url = gem_element.url
- if url.startswith("gemini://"):
- url = url.replace("gemini://", "https://portal.mozz.us/gemini/")
-
- result.append(h.P(h.A(gem_element.text or gem_element.url, href=url)))
- i = i + 1
- continue
-
- if gem_element == Line(""):
- i = i + 1
- continue
-
- if isinstance(gem_element, BlockQuote):
- content = []
- for line in gem_element.lines:
- if line.text:
- content.append(line.text)
- content.append(h.BR())
- result.append(h.BLOCKQUOTE(*content))
- i = i + 1
- continue
-
- if isinstance(gem_element, Line):
- paragraph = [gem_element.text]
- i = i + 1
- while i < len(parsed):
- gem_element = parsed[i]
- if isinstance(gem_element, Line) and gem_element.text != "":
- paragraph.append(h.BR())
- paragraph.append(gem_element.text)
- i = i + 1
- else:
- break
- result.append(h.P(*paragraph))
- continue
-
- if isinstance(gem_element, Pre):
- result.append(h.PRE(gem_element.content))
- i = i + 1
- continue
-
- assert False, f"unknown element {gem_element}"
-
- return result
generated by cgit v1.2.3 (git 2.46.0) at 2026-02-02 16:29:01 +0000