Initial upload: Auto README Generator CLI v0.1.0

src/auto_readme/parsers/go_parser.py

@@ -0,0 +1,92 @@
+"""Go dependency parser for go.mod."""
+
+import re
+from pathlib import Path
+from typing import Optional
+
+from . import BaseParser, Dependency
+
+
+class GoDependencyParser(BaseParser):
+    """Parser for Go go.mod files."""
+
+    def can_parse(self, path: Path) -> bool:
+        """Check if the file is a go.mod."""
+        return path.name.lower() == "go.mod"
+
+    def parse(self, path: Path) -> list[Dependency]:
+        """Parse dependencies from go.mod."""
+        if not path.exists():
+            return []
+
+        dependencies = []
+        try:
+            content = path.read_text(encoding="utf-8")
+            lines = content.splitlines()
+        except (OSError, UnicodeDecodeError):
+            return dependencies
+
+        in_require_block = False
+        current_block_indent = 0
+
+        for line in lines:
+            stripped = line.strip()
+
+            if stripped.startswith("require ("):
+                in_require_block = True
+                current_block_indent = len(line) - len(line.lstrip())
+                continue
+
+            if stripped.startswith(")"):
+                in_require_block = False
+                continue
+
+            if in_require_block or stripped.startswith("require "):
+                if not in_require_block:
+                    if "require (" in line:
+                        continue
+                    match = self._parse_single_require(line)
+                    if match:
+                        dependencies.append(match)
+                else:
+                    current_indent = len(line) - len(line.lstrip())
+                    if current_indent < current_block_indent:
+                        in_require_block = False
+                        continue
+
+                    if stripped and not stripped.startswith("//"):
+                        match = self._parse_require_block_line(line)
+                        if match:
+                            dependencies.append(match)
+
+        return dependencies
+
+    def _parse_single_require(self, line: str) -> Optional[Dependency]:
+        """Parse a single require statement."""
+        match = re.match(r"require\s+([^\s]+)\s+(.+)", line)
+        if match:
+            name = match.group(1)
+            version = match.group(2).strip()
+            return Dependency(
+                name=name,
+                version=self._normalize_version(version),
+                is_dev=False,
+            )
+        return None
+
+    def _parse_require_block_line(self, line: str) -> Optional[Dependency]:
+        """Parse a line within a require block."""
+        stripped = line.strip()
+        if not stripped or stripped.startswith("//"):
+            return None
+
+        match = re.match(r"([^\s]+)\s+v?(.+)", stripped)
+        if match:
+            name = match.group(1)
+            version = match.group(2).strip()
+            return Dependency(
+                name=name,
+                version=self._normalize_version(version),
+                is_dev=False,
+            )
+        return None