fstree/fstree.py at main · eidyev/fstree · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
fstree.py - Exporta o reconstruye estructuras de directorios estilo 'tree'.
Programador Eidy EV <eidyev@gmail.com>
"""
from __future__ import annotations
import os
import sys
import re
import argparse
from typing import List, Tuple, Dict, Set

DEFAULT_CONTENT = {
    ".php": "<?php\n\n",
    ".yaml": "# YAML configuration\n",
    ".yml": "# YAML configuration\n",
    ".json": "{\n}\n",
    ".html": "<!DOCTYPE html>\n<html>\n<head>\n</head>\n<body>\n</body>\n</html>\n",
    ".twig": "{# Twig template #}\n",
    ".md": "# Document\n",
    ".txt": "",
    ".py": "#!/usr/bin/env python3\n\n",
    ".sh": "#!/bin/bash\n\n",
    ".bat": "@echo off\n",
    "": ""
}

DEFAULT_EXCLUDES = {".git", "node_modules", "vendor", "__pycache__"}

def normalize_relpath(parts: List[str]) -> str:
    return os.path.normpath(os.path.join(*parts)) if parts else ""

def parse_tree_file(file_path: str) -> Tuple[List[str], Dict[str, str]]:
    """Parses the tree-style file and returns paths and optional file contents."""
    paths: List[str] = []
    contents: Dict[str, str] = {}
    stack: List[str] = []
    collecting = False
    buffer: List[str] = []
    current_file_rel: str | None = None
    connector_re = re.compile(r'(├──|└──)\s*(.*)$')

    with open(file_path, "r", encoding="utf-8") as f:
        for raw_line in f:
            line = raw_line.rstrip("\n")
            if line.strip() == ">>>":
                collecting = True
                buffer = []
                continue
            if line.strip() == "<<<":
                collecting = False
                if current_file_rel:
                    contents[current_file_rel] = "\n".join(buffer) + ("\n" if buffer and not buffer[-1].endswith("\n") else "")
                current_file_rel = None
                buffer = []
                continue
            if collecting:
                idx = line.find("    ")
                content_line = line[idx + 4 :] if idx >= 0 else line.lstrip()
                buffer.append(content_line)
                continue
            no_comment = line.split("#", 1)[0].rstrip()
            if not no_comment.strip():
                continue
            idxs = [i for i in (no_comment.find("├"), no_comment.find("└")) if i >= 0]
            if idxs:
                conn_idx = min(idxs)
                depth = (conn_idx // 4) + 1
                m = connector_re.search(no_comment)
                name = m.group(2) if m else no_comment[conn_idx + 1 :].strip()
            else:
                depth = 0
                name = no_comment.strip()
            name = name.rstrip()
            if len(stack) > depth:
                stack = stack[:depth]
            if name.endswith("/"):
                part = name.rstrip("/")
                parts = stack + [part] if part else stack[:]
                rel = normalize_relpath(parts) + os.sep
                paths.append(rel)
                stack = stack + [part] if part else stack
            else:
                parts = stack + [name]
                rel = normalize_relpath(parts)
                paths.append(rel)
                current_file_rel = rel
    return paths, contents

def create_structure(paths: List[str], base_dir: str, contents: Dict[str, str], verbose: bool = False, overwrite: bool = False):
    """Crea directorios y archivos a partir de la lista de paths y contenidos."""
    def get_content_for(rel: str) -> str | None:
        for k in [rel, rel.replace(os.sep, "/"), rel.replace("/", os.sep), os.path.normpath(rel)]:
            if k in contents:
                return contents[k]
        return None

    for rel in paths:
        target = os.path.normpath(os.path.join(base_dir, rel))
        if rel.endswith(os.sep):
            os.makedirs(target, exist_ok=True)
            if verbose:
                print(f"[DIR] {target}")
        else:
            parent = os.path.dirname(target)
            if parent and not os.path.exists(parent):
                os.makedirs(parent, exist_ok=True)
            exists = os.path.exists(target)
            should_write = (not exists) or overwrite
            if should_write:
                content = get_content_for(rel)
                if content is None:
                    _, ext = os.path.splitext(rel.lower())
                    content = DEFAULT_CONTENT.get(ext, "")
                with open(target, "w", encoding="utf-8") as f:
                    f.write(content)
                if verbose:
                    print(f"[WRITE] {'OVERWRITE' if exists and overwrite else 'CREATE'} {target}")
            elif verbose:
                print(f"[SKIP] {target} (ya existe)")

def dump_structure(base_dir: str, output_file: str, excludes: Set[str], with_content: bool = False, verbose: bool = False, dirs_only: bool = False, max_level: int | None = None):
    """Exporta la estructura de un directorio a un archivo de texto."""
    def list_entries(path: str) -> List[str]:
        try:
            return sorted([e for e in os.listdir(path) if e not in excludes])
        except Exception:
            return []

    with open(output_file, "w", encoding="utf-8") as out:
        root_name = os.path.basename(os.path.normpath(base_dir)) or os.path.normpath(base_dir)
        out.write(f"{root_name}/\n")
        if verbose:
            print(f"[ROOT] {base_dir}")

        def walk(dir_path: str, prefix: str = "", current_level: int = 0):
            if max_level is not None and current_level >= max_level:
                return
            entries = list_entries(dir_path)
            if dirs_only:
                entries = [e for e in entries if os.path.isdir(os.path.join(dir_path, e))]
            total = len(entries)
            for idx, entry in enumerate(entries):
                full = os.path.join(dir_path, entry)
                connector = "└── " if idx == total - 1 else "├── "
                is_dir = os.path.isdir(full)
                name_out = f"{entry}/" if is_dir else entry
                out.write(f"{prefix}{connector}{name_out}\n")
                if verbose:
                    print(f"[SCAN] {full}")
                if is_dir:
                    extension = "    " if idx == total - 1 else "│   "
                    walk(full, prefix + extension, current_level + 1)
                elif with_content and not dirs_only:
                    try:
                        with open(full, "r", encoding="utf-8") as rf:
                            content = rf.read().rstrip("\n")
                        if content != "":
                            out.write(f"{prefix}    >>>\n")
                            for cl in content.split("\n"):
                                out.write(f"{prefix}    {cl}\n")
                            out.write(f"{prefix}    <<<\n")
                    except Exception as e:
                        if verbose:
                            print(f"[WARN] no se pudo leer {full}: {e}", file=sys.stderr)

        walk(base_dir)

def load_excludes(exclude_list: str | None, exclude_file: str | None) -> Set[str]:
    excludes = set(DEFAULT_EXCLUDES)
    if exclude_file and os.path.isfile(exclude_file):
        with open(exclude_file, "r", encoding="utf-8") as f:
            for ln in f:
                name = ln.split("#", 1)[0].strip()
                if name:
                    excludes.add(name)
    if exclude_list:
        for name in exclude_list.split(","):
            n = name.strip()
            if n:
                excludes.add(n)
    return excludes

def test_process(mode: str, entrada: str, salida: str, verbose: bool = False, dirs_only: bool = False, max_level: int | None = None):
    """Valida el proceso dump o build."""
    errors = []

    if mode == "build":
        paths, _ = parse_tree_file(entrada)
        for rel in paths:
            path_check = os.path.join(salida, rel)
            if not os.path.exists(path_check):
                errors.append(f"No existe: {path_check}")
            elif verbose:
                print(f"[CHECK] Existe: {path_check}")

    elif mode == "dump":
        actual_paths = []
        for root, dirs, files in os.walk(entrada):
            level = root.replace(entrada, "").count(os.sep)
            if max_level is not None and level >= max_level:
                dirs[:] = []
            if dirs_only:
                files = []
            for d in dirs:
                actual_paths.append(os.path.relpath(os.path.join(root, d), entrada) + os.sep)
            for f in files:
                actual_paths.append(os.path.relpath(os.path.join(root, f), entrada))
        gen_paths, _ = parse_tree_file(salida)
        missing_in_file = [p for p in actual_paths if p not in gen_paths]
        extra_in_file = [p for p in gen_paths if p not in actual_paths]

        if missing_in_file:
            errors.append(f"Faltan en archivo generado: {missing_in_file}")
        if extra_in_file:
            errors.append(f"Sobran en archivo generado: {extra_in_file}")
        if verbose:
            print(f"[CHECK] Paths reales: {len(actual_paths)}")
            print(f"[CHECK] Paths en archivo: {len(gen_paths)}")

    if errors:
        print("TEST: Se encontraron errores:")
        for e in errors:
            print(f"  - {e}")
        return False
    else:
        print("TEST: Todo correcto ✅")
        return True

def build_cli() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(
        prog="fstree",
        usage=(
            "fstree [MODE] [OPTION]... SOURCE DEST\n"
            "  or: fstree [MODE] [OPTION]... -t DEST SOURCE...\n"
            "Modos:\n"
            "  dump    Exporta un directorio a un archivo .txt\n"
            "  build   Reconstruye un directorio desde un archivo .txt\n"
            "  test    Valida un proceso build o dump"
        ),
        formatter_class=argparse.RawTextHelpFormatter
    )
    parser.add_argument("-v", "--verbose", action="store_true", help="Muestra acciones detalladas")
    parser.add_argument("--overwrite", action="store_true", help="Sobrescribir archivos existentes (solo build)")
    parser.add_argument("--with-content", action="store_true", help="Incluir contenido de archivos (solo dump)")
    parser.add_argument("-d", "--dirs-only", action="store_true", help="Listar solo directorios (omitirá archivos) en dump")
    parser.add_argument("-L", "--level", type=int, default=None, help="Limitar profundidad de directorios (solo dump)")
    parser.add_argument("--exclude", help="Lista separada por comas de nombres a excluir (ej: .git,node_modules)")
    parser.add_argument("--exclude-file", help="Archivo que contiene nombres de exclusión")
    parser.add_argument("mode", choices=["dump", "build", "test"], help="Modo de operación: dump, build o test")
    parser.add_argument("entrada", help="Archivo de entrada o directorio según el modo")
    parser.add_argument("salida", help="Archivo de salida o directorio según el modo")
    parser.add_argument("--test-mode", choices=["dump","build"], default="build", help="Indica qué proceso validar cuando se usa --mode test")
    return parser

def main():
    parser = build_cli()
    args = parser.parse_args()

    excludes = load_excludes(args.exclude, args.exclude_file)

    if args.mode == "dump":
        dump_structure(
            base_dir=args.entrada,
            output_file=args.salida,
            excludes=excludes,
            with_content=args.with_content,
            verbose=args.verbose,
            dirs_only=args.dirs_only,
            max_level=args.level
        )
    elif args.mode == "build":
        paths, contents = parse_tree_file(args.entrada)
        create_structure(paths, args.salida, contents, verbose=args.verbose, overwrite=args.overwrite)
    elif args.mode == "test":
        success = test_process(
            mode=args.test_mode,
            entrada=args.entrada,
            salida=args.salida,
            verbose=args.verbose,
            dirs_only=args.dirs_only,
            max_level=args.level
        )
        sys.exit(0 if success else 1)

if __name__ == "__main__":
    main()