adding better markdown extracting and filter out to not have broken staff, allow that session can list over multiple browsers
This commit is contained in:
@@ -1,10 +1,426 @@
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import click
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import json
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import re
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from html.parser import HTMLParser
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import click
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from browser_cli.client import send_command, BrowserNotConnected
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from rich.console import Console
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from rich.table import Table
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console = Console()
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_FENCE_RE = re.compile(r"```(?:[^\n`]*)\n.*?\n```", re.DOTALL)
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_ESCAPED_MARKDOWN_RE = re.compile(r"\\([_-])")
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_TABLE_SEPARATOR_RE = re.compile(r"^\|(?:\s*:?-{3,}:?\s*\|)+\s*$")
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class _HtmlNode:
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def __init__(self, tag=None, attrs=None, text=None):
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self.tag = tag
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self.attrs = attrs or {}
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self.text = text
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self.children = []
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class _HtmlTreeBuilder(HTMLParser):
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_VOID_TAGS = {"br", "hr", "img"}
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def __init__(self):
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super().__init__(convert_charrefs=True)
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self.root = _HtmlNode(tag="document")
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self._stack = [self.root]
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def handle_starttag(self, tag, attrs):
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node = _HtmlNode(tag=tag.lower(), attrs=dict(attrs))
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self._stack[-1].children.append(node)
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if node.tag not in self._VOID_TAGS:
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self._stack.append(node)
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def handle_startendtag(self, tag, attrs):
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node = _HtmlNode(tag=tag.lower(), attrs=dict(attrs))
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self._stack[-1].children.append(node)
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def handle_endtag(self, tag):
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lowered = tag.lower()
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for index in range(len(self._stack) - 1, 0, -1):
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if self._stack[index].tag == lowered:
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del self._stack[index:]
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break
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def handle_data(self, data):
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if data:
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self._stack[-1].children.append(_HtmlNode(text=data))
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def _normalize_text(value):
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return re.sub(r"\s+", " ", value or "").strip()
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def _normalize_inline(value):
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value = value.replace("\xa0", " ")
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value = re.sub(r"[ \t\r\f\v]+", " ", value)
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value = re.sub(r" *\n *", "\n", value)
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return value.strip()
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def _collapse_blank_lines(value):
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value = re.sub(r"[ \t]+\n", "\n", value)
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value = re.sub(r"\n{3,}", "\n\n", value)
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return value.strip()
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def _escape_markdown(text):
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return re.sub(r"([\\`[\]])", r"\\\1", text)
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def _escape_table_cell(text):
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return text.replace("|", r"\|").replace("\n", " ").strip()
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def _iter_descendants(node):
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for child in getattr(node, "children", []):
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yield child
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yield from _iter_descendants(child)
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def _has_class(node, class_name):
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classes = (node.attrs.get("class") or "").split()
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return class_name in classes
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def _is_code_block_node(node):
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if not node or not node.tag:
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return False
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if node.attrs.get("data-is-code-block-view") == "true":
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return True
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return node.tag == "pre"
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def _inline_text(node):
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if node.text is not None:
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return _escape_markdown(node.text)
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if not node.tag:
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return ""
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tag = node.tag
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if tag == "br":
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return "\n"
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if tag == "img":
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src = node.attrs.get("src") or ""
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alt = _normalize_text(node.attrs.get("alt") or "")
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if not src:
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return ""
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return f"" if alt else f""
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if tag == "a":
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text = _normalize_inline("".join(_inline_text(child) for child in node.children))
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href = node.attrs.get("href") or ""
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return f"[{text or href}]({href})" if href else text
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if tag == "code":
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text = _normalize_inline("".join(_inline_text(child) for child in node.children))
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return f"`{text.replace('`', r'\\`')}`" if text else ""
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if tag in {"strong", "b"}:
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text = _normalize_inline("".join(_inline_text(child) for child in node.children))
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return f"**{text}**" if text else ""
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if tag in {"em", "i"}:
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text = _normalize_inline("".join(_inline_text(child) for child in node.children))
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return f"*{text}*" if text else ""
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chunks = []
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for child in node.children:
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rendered = _inline_text(child)
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if rendered:
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chunks.append(rendered)
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if child.tag in {"p", "div", "table", "ul", "ol", "pre"}:
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chunks.append("\n")
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return "".join(chunks)
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def _text_block(node):
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return _collapse_blank_lines(_normalize_inline("".join(_inline_text(child) for child in node.children)))
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def _inner_text_preserve(node):
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if node.text is not None:
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return node.text
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if not node.tag:
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return ""
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if node.tag == "br":
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return ""
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return "".join(_inner_text_preserve(child) for child in node.children)
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def _table_to_markdown(node):
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rows = []
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for descendant in _iter_descendants(node):
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if descendant.tag != "tr":
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continue
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row = []
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for cell in descendant.children:
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if cell.tag in {"td", "th"}:
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row.append(_escape_table_cell(_text_block(cell)))
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if row:
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rows.append(row)
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if not rows:
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return ""
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widths = max(len(row) for row in rows)
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normalized_rows = [row + [""] * (widths - len(row)) for row in rows]
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headers = normalized_rows[0]
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body_rows = normalized_rows[1:]
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first_row_blank = all(not cell.strip() for cell in headers)
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if first_row_blank and len(normalized_rows) > 1:
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headers = normalized_rows[1]
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body_rows = normalized_rows[2:]
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has_thead = any(child.tag == "thead" for child in node.children)
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first_row = next((child for child in _iter_descendants(node) if child.tag == "tr"), None)
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first_row_has_th = bool(first_row and any(child.tag == "th" for child in first_row.children))
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if not (has_thead or first_row_has_th or first_row_blank):
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headers = [""] * widths
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body_rows = normalized_rows
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separator = ["---"] * widths
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lines = [
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f"| {' | '.join(headers)} |",
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f"| {' | '.join(separator)} |",
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]
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lines.extend(f"| {' | '.join(row)} |" for row in body_rows)
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return "\n".join(lines)
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def _list_to_markdown(node, depth=0):
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ordered = node.tag == "ol"
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items = []
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index = 1
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for child in node.children:
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if child.tag != "li":
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continue
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marker = f"{index}. " if ordered else "- "
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index += 1
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content = []
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nested = []
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for item_child in child.children:
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if item_child.tag in {"ul", "ol"}:
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nested.append(_list_to_markdown(item_child, depth + 1))
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else:
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content.append(_inline_text(item_child))
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line = _collapse_blank_lines(_normalize_inline("".join(content)))
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indent = " " * depth
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if line:
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line_parts = line.splitlines()
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items.append(f"{indent}{marker}{line_parts[0]}")
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continuation_indent = f"{indent}{' ' * len(marker)}"
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items.extend(f"{continuation_indent}{part}" for part in line_parts[1:])
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items.extend(block for block in nested if block)
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return "\n".join(items)
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def _code_block_to_markdown(node):
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if node.tag == "pre":
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text = _inner_text_preserve(node).rstrip("\n")
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return f"```\n{text}\n```" if text else ""
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lines = []
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for descendant in _iter_descendants(node):
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if descendant.tag and _has_class(descendant, "cm-line"):
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lines.append(_inner_text_preserve(descendant))
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code = "\n".join(lines).rstrip("\n")
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return f"```\n{code}\n```" if code else ""
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def _block_to_markdown(node):
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if node.text is not None:
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return _normalize_text(node.text)
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if not node.tag:
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return ""
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if _is_code_block_node(node):
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return _code_block_to_markdown(node)
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if node.tag == "table":
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return _table_to_markdown(node)
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if node.tag in {"ul", "ol"}:
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return _list_to_markdown(node)
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if re.fullmatch(r"h[1-6]", node.tag):
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text = _text_block(node)
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return f"{'#' * int(node.tag[1])} {text}" if text else ""
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if node.tag in {"p", "figcaption"}:
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return _text_block(node)
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if node.tag == "blockquote":
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content = _collapse_blank_lines("\n\n".join(filter(None, (_block_to_markdown(child) for child in node.children))))
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return "\n".join(f"> {line}" if line else ">" for line in content.splitlines()) if content else ""
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if node.tag == "hr":
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return "---"
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if node.tag == "img":
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return _inline_text(node)
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child_blocks = [block for block in (_block_to_markdown(child) for child in node.children) if block]
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if child_blocks:
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return _collapse_blank_lines("\n\n".join(child_blocks))
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return _text_block(node)
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def _parse_table_row(line):
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stripped = line.strip()
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if not stripped.startswith("|") or not stripped.endswith("|"):
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return None
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return [cell.strip() for cell in stripped.strip("|").split("|")]
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def _repair_table_headers(lines):
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repaired = []
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index = 0
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while index < len(lines):
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if (
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index + 2 < len(lines)
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and _parse_table_row(lines[index]) is not None
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and _TABLE_SEPARATOR_RE.match(lines[index + 1].strip())
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and _parse_table_row(lines[index + 2]) is not None
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):
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first = _parse_table_row(lines[index])
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third = _parse_table_row(lines[index + 2])
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if first and all(not cell for cell in first) and any(cell for cell in third):
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repaired.append(lines[index + 2].strip())
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repaired.append(lines[index + 1].strip())
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index += 3
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continue
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repaired.append(lines[index].strip())
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index += 1
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return repaired
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def _repair_list_continuations(lines):
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repaired = []
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previous_was_list_item = False
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previous_continuation_indent = ""
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for line in lines:
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stripped = line.strip()
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list_match = re.match(r"^(\s*)([-*+]|\d+\.)\s+.+$", stripped)
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is_markdown_block_start = (
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not stripped
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or stripped.startswith(("```", "#", ">", "|"))
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or _TABLE_SEPARATOR_RE.match(stripped)
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or re.match(r"^(\s*)([-*+]|\d+\.)\s+", stripped)
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)
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if previous_was_list_item and stripped and not is_markdown_block_start:
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repaired.append(f"{previous_continuation_indent}{stripped}")
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previous_was_list_item = False
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continue
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repaired.append(stripped)
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if list_match:
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marker = list_match.group(2)
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base_indent = list_match.group(1)
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previous_continuation_indent = f"{base_indent}{' ' * (len(marker) + 1)}"
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previous_was_list_item = True
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else:
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previous_was_list_item = False
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return repaired
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def _repair_flattened_diagram(text):
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if "\n" in text:
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return text
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if sum(text.count(char) for char in "│▼├└") < 2:
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return text
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text = re.sub(r"\s{2,}([│▼])", r"\n \1", text)
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text = re.sub(r"([│▼])\s{2,}", r"\1\n", text)
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text = re.sub(r"([│▼])(?=[^\s\n│▼├└])", r"\1\n", text)
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text = re.sub(r"(?<=[^\s\n])([├└])", r"\n\1", text)
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text = re.sub(r"([^\s\n])(\()", r"\1\n\2", text)
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return "\n".join(line.rstrip() for line in text.splitlines() if line.strip())
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def _convert_dash_lists_to_branches(lines):
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converted = []
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index = 0
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while index < len(lines):
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match = re.match(r"^(\s*)-\s+(.*)$", lines[index])
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if not match:
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converted.append(lines[index])
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index += 1
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continue
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indent = match.group(1)
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items = []
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while index < len(lines):
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next_match = re.match(rf"^{re.escape(indent)}-\s+(.*)$", lines[index])
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if not next_match:
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break
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items.append(next_match.group(1))
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index += 1
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for item_index, item in enumerate(items):
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branch = "└" if item_index == len(items) - 1 else "├"
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converted.append(f"{indent}{branch} {item}")
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return converted
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def _clean_code_block(code):
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lines = [line.rstrip() for line in code.splitlines()]
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while lines and not lines[0].strip():
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lines.pop(0)
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while lines and not lines[-1].strip():
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lines.pop()
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flattened = _repair_flattened_diagram("\n".join(lines))
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lines = flattened.splitlines() if flattened else []
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lines = [
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f" {line.strip()}"
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if line.strip() in {"│", "▼"} and not re.match(r"^\s+[│▼]\s*$", line)
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else line
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for line in lines
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]
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lines = _convert_dash_lists_to_branches(lines)
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return "\n".join(lines)
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def _clean_markdown_output(markdown):
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if not markdown:
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return ""
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pieces = []
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last_index = 0
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for match in _FENCE_RE.finditer(markdown):
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prose = markdown[last_index:match.start()]
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if prose:
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cleaned = _ESCAPED_MARKDOWN_RE.sub(r"\1", prose)
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lines = [line.strip() for line in cleaned.splitlines()]
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lines = _repair_table_headers(lines)
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lines = _repair_list_continuations(lines)
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cleaned = "\n".join(lines)
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cleaned = _collapse_blank_lines(cleaned)
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if cleaned:
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pieces.append(cleaned)
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fence = match.group(0)
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header, _, tail = fence.partition("\n")
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body, _, _ = tail.rpartition("\n")
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cleaned_body = _clean_code_block(body)
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pieces.append(f"{header}\n{cleaned_body}\n```" if cleaned_body else f"{header}\n```")
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last_index = match.end()
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trailing = markdown[last_index:]
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if trailing:
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cleaned = _ESCAPED_MARKDOWN_RE.sub(r"\1", trailing)
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lines = [line.strip() for line in cleaned.splitlines()]
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lines = _repair_table_headers(lines)
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lines = _repair_list_continuations(lines)
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cleaned = "\n".join(lines)
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cleaned = _collapse_blank_lines(cleaned)
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if cleaned:
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pieces.append(cleaned)
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return "\n\n".join(piece for piece in pieces if piece)
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def _convert_html_to_markdown(html):
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parser = _HtmlTreeBuilder()
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parser.feed(html or "")
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markdown = _block_to_markdown(parser.root)
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return _clean_markdown_output(markdown)
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def _handle(command, args=None):
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@@ -80,4 +496,8 @@ def extract_html():
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def extract_markdown(selector):
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"""Extract the page's main content as Markdown."""
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markdown = _handle("extract.markdown", {"selector": selector})
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if (markdown or "").lstrip().startswith("<"):
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markdown = _convert_html_to_markdown(markdown)
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else:
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markdown = _clean_markdown_output(markdown or "")
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click.echo(markdown or "", nl=not (markdown or "").endswith("\n"))
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@@ -1,14 +1,13 @@
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import click
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import json
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from browser_cli.client import send_command, BrowserNotConnected
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from browser_cli.client import active_browser_targets, send_command, BrowserNotConnected
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from rich.console import Console
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console = Console()
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def _handle(command, args=None):
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def _handle(command, args=None, profile=None):
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try:
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return send_command(command, args or {})
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return send_command(command, args or {}, profile=profile)
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except BrowserNotConnected as e:
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console.print(f"[red]Error:[/red] {e}")
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raise SystemExit(1)
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@@ -17,6 +16,23 @@ def _handle(command, args=None):
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raise SystemExit(1)
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def _handle_multi(command, args=None, profile=None):
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try:
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return send_command(command, args or {}, profile=profile)
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except (BrowserNotConnected, RuntimeError):
|
||||
return None
|
||||
|
||||
|
||||
def _multi_browser_targets():
|
||||
root = click.get_current_context().find_root()
|
||||
if root.obj.get("browser_explicit"):
|
||||
return []
|
||||
targets = active_browser_targets()
|
||||
if len(targets) <= 1:
|
||||
return []
|
||||
return targets
|
||||
|
||||
|
||||
@click.group("session")
|
||||
def session_group():
|
||||
"""Save and restore browser sessions."""
|
||||
@@ -71,18 +87,35 @@ def session_diff(name_a, name_b):
|
||||
def session_list():
|
||||
"""List all saved sessions."""
|
||||
from rich.table import Table
|
||||
sessions = _handle("session.list")
|
||||
targets = _multi_browser_targets()
|
||||
show_browser = bool(targets)
|
||||
if targets:
|
||||
sessions = []
|
||||
for target in targets:
|
||||
result = _handle_multi("session.list", profile=target.profile)
|
||||
if result is None:
|
||||
continue
|
||||
sessions.extend({**session, "browser": target.display_name} for session in result)
|
||||
if not sessions:
|
||||
console.print("[red]Error:[/red] Cannot resolve a browser socket automatically.")
|
||||
raise SystemExit(1)
|
||||
else:
|
||||
sessions = _handle("session.list")
|
||||
if not sessions:
|
||||
console.print("[yellow]No saved sessions[/yellow]")
|
||||
return
|
||||
table = Table(show_header=True, header_style="bold cyan")
|
||||
if show_browser:
|
||||
table.add_column("Browser")
|
||||
table.add_column("Name")
|
||||
table.add_column("Tabs", width=6)
|
||||
table.add_column("Saved at")
|
||||
for s in sessions:
|
||||
from datetime import datetime
|
||||
saved = datetime.fromtimestamp(s["savedAt"] / 1000).strftime("%Y-%m-%d %H:%M") if s.get("savedAt") else ""
|
||||
table.add_row(s["name"], str(s["tabs"]), saved)
|
||||
row = [s.get("browser", "")] if show_browser else []
|
||||
row.extend([s["name"], str(s["tabs"]), saved])
|
||||
table.add_row(*row)
|
||||
console.print(table)
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user