File size: 8,957 Bytes
67acd34
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
#!/usr/bin/env python3
import argparse
import os
import platform
import re
import subprocess
from pathlib import Path
from typing import Optional, Tuple
import sys

RAW_HEADER_RE = re.compile(r'^\s*#\s*----\s*raw\s*puzzle\s*block', re.IGNORECASE)

def detect_solver_bin_name() -> str:
    return "flowfree.exe" if platform.system().lower().startswith("win") else "flowfree"

def needs_rebuild(src: Path, bin_: Path) -> bool:
    if not bin_.exists():
        return True
    try:
        return src.stat().st_mtime > bin_.stat().st_mtime
    except FileNotFoundError:
        return True

def build_solver(src: Path, bin_: Path) -> None:
    print(f"[build] compiling {src.name} -> {bin_.name}")
    if platform.system().lower().startswith("win"):
        # Prefer gcc from MSYS2/MinGW if available
        cmd = ["gcc", "-std=c11", "-O2", "-Wall", "-Wextra", "-o", str(bin_), str(src)]
    else:
        cmd = ["gcc", "-std=c11", "-O2", "-Wall", "-Wextra", "-o", str(bin_), str(src)]
    try:
        subprocess.run(cmd, check=True)
    except FileNotFoundError as e:
        raise SystemExit(
            "Error: C compiler not found (gcc). Install gcc or build the solver manually."
        ) from e
    except subprocess.CalledProcessError as e:
        raise SystemExit(f"Build failed with exit code {e.returncode}")

def extract_puzzle_block(text: str) -> Optional[str]:
    """
    Returns the exact text to feed the solver in solver mode:
        "<colors_n> <cols_n> <rows_n>\n"
        "<pair line 1>\n"
        ...
        "<pair line colors_n>\n"
    """
    lines = text.splitlines()
    n = len(lines)
    i = 0
    while i < n:
        if RAW_HEADER_RE.search(lines[i]):
            i += 1
            # Skip blank lines after the header
            while i < n and not lines[i].strip():
                i += 1
            if i >= n:
                return None
            # Expect "<colors_n> <cols_n> <rows_n>"
            header_match = re.match(r'^\s*(\d+)\s+(\d+)\s+(\d+)\s*$', lines[i])
            if not header_match:
                return None
            colors_n = int(header_match.group(1))
            cols_n = int(header_match.group(2))
            rows_n = int(header_match.group(3))
            i += 1

            # Collect the next colors_n non-empty lines that look like coordinate pairs
            pairs = []
            while i < n and len(pairs) < colors_n:
                line = lines[i].strip()
                if line:
                    # Accept anything that starts with '(' as a pair line
                    if line.startswith("("):
                        pairs.append(line)
                    else:
                        # If we encounter something else before collecting enough pairs, abort
                        return None
                i += 1

            if len(pairs) != colors_n:
                return None

            puzzle = f"{colors_n} {cols_n} {rows_n}\n" + "\n".join(pairs) + "\n"
            return puzzle
        i += 1
    return None

def already_has_solution(text: str) -> bool:
    return "# ---- solution (appended by solve_generated.py) ----" in text

def run_solver(bin_path: Path, puzzle_text: str) -> Tuple[str, str, int]:
    """Return (stdout, stderr, returncode)."""
    try:
        proc = subprocess.run(
            [str(bin_path)],
            input=puzzle_text,
            text=True,
            capture_output=True,
            check=False,
        )
        return proc.stdout, proc.stderr, proc.returncode
    except FileNotFoundError:
        raise SystemExit(f"Solver binary not found: {bin_path}")





def convert_with_freeflow(raw_block: str, converter_path='./convert_freeflow.py') -> str:
    """
    Pipe the raw block to convert_freeflow.py and capture the human-readable grid.
    """
    proc = subprocess.run(
        [sys.executable, converter_path],
        input=raw_block.encode("utf-8"),
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        check=False,
    )
    if proc.returncode != 0:
        # If conversion fails, include stderr for debugging in the saved file
        pretty = f'"""CONVERSION FAILED (exit {proc.returncode})"""\n{proc.stderr.decode("utf-8", "replace")}'
    else:
        pretty = proc.stdout.decode("utf-8", "replace").strip()
    return pretty


# def process_file(path: Path, solver_bin: Path, dry_run: bool=False) -> str:
#     content = path.read_text(encoding="utf-8")
#     if already_has_solution(content):
#         return f"[skip] {path.name}: solution already appended"

#     puzzle = extract_puzzle_block(content)
#     if not puzzle:
#         return f"[warn] {path.name}: could not find a valid raw puzzle block"

#     out, err, rc = run_solver(solver_bin, puzzle)
#     if rc != 0:
#         return f"[fail] {path.name}: solver exit code {rc}\nstderr:\n{err}"

#     append_block = (
#         "\n# ---- solution (appended by solve_generated.py) ----\n"
#         "## Solver input:\n"
#         + puzzle
#         + "\n## Solver output:\n"
#         + out.strip()
#         + ("\n\n## Solver stderr:\n" + err.strip() if err.strip() else "")
#         + "\n"
#     )

#     print(append_block)  # For visibility in dry-run mode
#     asd

#     if dry_run:
#         return f"[dry-run] {path.name}: would append solution"
#     else:
#         with path.open("a", encoding="utf-8") as f:
#             f.write(append_block)
#         return f"[ok] {path.name}: solution appended"



def process_file(path: Path, solver_bin: Path, converter_path='./convert_freeflow.py', dry_run: bool=False) -> str:
    content = path.read_text(encoding="utf-8")
    if already_has_solution(content):
        return f"[skip] {path.name}: solution already appended"

    puzzle = extract_puzzle_block(content)
    if not puzzle:
        return f"[warn] {path.name}: could not find a valid raw puzzle block"

    out, err, rc = run_solver(solver_bin, puzzle)
    if rc != 0:
        return f"[fail] {path.name}: solver exit code {rc}\nstderr:\n{err}"

    # Make a pretty (human-readable) grid of the solver output
    # Note: we pass solver stdout (the solution paths) to the converter.
    # print('puzzle')
    header = puzzle.splitlines()[0]
    # print(puzzle)
    # print('soln')
    out = header + out
    # print(out)
    # asd
    pretty_solution = convert_with_freeflow(out, str(converter_path))

    append_block = (
        "\n# ---- solution (appended by solve_generated.py) ----\n"
        "## Human-readable solution:\n"
        f"{pretty_solution}\n"
        "\n## Raw solver output:\n"
        f"{out.strip()}\n"
        + (f"\n\n## Solver stderr:\n{err.strip()}\n" if err.strip() else "\n")
        + "## Solver input (raw puzzle block):\n"
        f"{puzzle}"
    )
    # print('append_block')
    # print(append_block)  # For visibility in dry-run mode
    # asd

    if dry_run:
        # Show what we would append (useful for checking formatting)
        print(append_block)
        return f"[dry-run] {path.name}: would append solution"
    else:
        with path.open("a", encoding="utf-8") as f:
            f.write(append_block)
        return f"[ok] {path.name}: solution appended"

def main():
    ap = argparse.ArgumentParser(description="Extract raw puzzle blocks, run solver, append solutions to files in generated/")
    ap.add_argument("--generated-dir", default="generated", help="Directory with input files (default: generated)")
    ap.add_argument("--solver-src", default="flowfree.c", help="C source file for the solver (default: flowfree.c)")
    ap.add_argument("--solver-bin", default=None, help="Solver binary name/path (default: auto: flowfree or flowfree.exe)")
    ap.add_argument("--dry-run", action="store_true", help="Show what would happen without writing")
    args = ap.parse_args()

    gen_dir = Path(args.generated_dir)
    if not gen_dir.is_dir():
        raise SystemExit(f"Directory not found: {gen_dir}")

    solver_src = Path(args.solver_src)
    solver_bin = Path(args.solver_bin) if args.solver_bin else Path(detect_solver_bin_name())

    # # Build solver if needed
    # if solver_src.exists() and needs_rebuild(solver_src, solver_bin):
    #     build_solver(solver_src, solver_bin)
    # elif not solver_bin.exists():
    #     # If no src to build but also no binary, stop
    #     raise SystemExit(f"Solver binary not found: {solver_bin}. Put it next to this script or provide --solver-bin.")

    # Process all regular files in generated/
    results = []
    for p in sorted(gen_dir.iterdir(), reverse=True):
        # temp_path = '/notebooks/multimodal_cot/FlowFree/generated/5x5_3c_1_3b79ecca.txt'
        # p = Path(temp_path)
        if p.is_file():
            try:
                results.append(process_file(p, solver_bin, dry_run=args.dry_run))
            except Exception as e:
                results.append(f"[error] {p.name}: {e}")
        # break

    print("\n".join(results))

if __name__ == "__main__":
    main()