feat: use column letters (A, B, C...) in Google Sheet nodes

py/sf_google_sheet_cell.py

@@ -0,0 +1,124 @@
+import csv
+import io
+import re
+import requests
+
+
+def col_letter_to_index(col_str: str) -> int:
+    """Convert a column letter (A, B, C, ... Z, AA, AB, ...) to a 0-based index."""
+    col_str = col_str.strip().upper()
+    if not col_str or not col_str.isalpha():
+        raise ValueError(f"Invalid column label '{col_str}'. Use letters like A, B, C, AA, AB, etc.")
+    result = 0
+    for char in col_str:
+        result = result * 26 + (ord(char) - ord("A") + 1)
+    return result - 1
+
+
+class SFGoogleSheetCell:
+    """
+    Reads a single cell from a publicly shared Google Sheet.
+    Row is 1-indexed. Column uses letter notation (A, B, C, ...) matching Google Sheets.
+    The sheet must be shared as "Anyone with the link can view."
+    """
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "url": (
+                    "STRING",
+                    {
+                        "multiline": False,
+                        "default": "https://docs.google.com/spreadsheets/d/.../edit",
+                        "tooltip": (
+                            "Full Google Sheets URL. "
+                            "The sheet must be shared: Share → Anyone with the link → Viewer."
+                        ),
+                    },
+                ),
+                "sheet_gid": (
+                    "STRING",
+                    {
+                        "default": "0",
+                        "tooltip": (
+                            "Sheet tab GID — found in the URL after '#gid='. "
+                            "Use 0 for the first/default sheet. "
+                            "Example: for ...#gid=1234567890 enter 1234567890."
+                        ),
+                    },
+                ),
+                "row": (
+                    "INT",
+                    {
+                        "default": 1,
+                        "min": 1,
+                        "step": 1,
+                        "tooltip": "Row number starting from 1 (matches the row numbers shown in Google Sheets).",
+                    },
+                ),
+                "col": (
+                    "STRING",
+                    {
+                        "default": "A",
+                        "tooltip": "Column letter as shown in Google Sheets (A, B, C, ... Z, AA, AB, ...).",
+                    },
+                ),
+            }
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("cell_value",)
+    FUNCTION = "get_cell"
+    CATEGORY = "Stillfront/Utils"
+
+    def get_cell(self, url: str, sheet_gid: str, row: int, col: str) -> tuple:
+        spreadsheet_id = self._extract_id(url)
+        gid = sheet_gid.strip() or "0"
+        col_idx = col_letter_to_index(col)
+
+        csv_url = (
+            f"https://docs.google.com/spreadsheets/d/{spreadsheet_id}"
+            f"/gviz/tq?tqx=out:csv&gid={gid}"
+        )
+
+        try:
+            response = requests.get(csv_url, timeout=15)
+            response.raise_for_status()
+        except requests.exceptions.HTTPError as e:
+            raise RuntimeError(
+                f"Could not access Google Sheet (HTTP {response.status_code}). "
+                f"Make sure the sheet is shared as 'Anyone with the link can view'. Error: {e}"
+            )
+        except requests.exceptions.RequestException as e:
+            raise RuntimeError(f"Failed to fetch Google Sheet: {e}")
+
+        content = response.content.decode("utf-8")
+        table = list(csv.reader(io.StringIO(content)))
+
+        row_idx = row - 1
+
+        if row_idx >= len(table):
+            raise ValueError(f"Row {row} is out of range — the sheet has {len(table)} rows.")
+
+        row_data = table[row_idx]
+        if col_idx >= len(row_data):
+            raise ValueError(
+                f"Column '{col.upper()}' is out of range — row {row} has {len(row_data)} columns."
+            )
+
+        return (str(row_data[col_idx]),)
+
+    def _extract_id(self, url: str) -> str:
+        match = re.search(r"/d/([a-zA-Z0-9-_]+)", url)
+        if match:
+            return match.group(1)
+        if re.match(r"^[a-zA-Z0-9-_]+$", url.strip()):
+            return url.strip()
+        raise ValueError(
+            "Could not extract spreadsheet ID. Please provide a full Google Sheets URL."
+        )
+
+
+NODE_CLASS_MAPPINGS = {"SFGoogleSheetCell": SFGoogleSheetCell}
+NODE_DISPLAY_NAME_MAPPINGS = {"SFGoogleSheetCell": "SF Google Sheet Cell"}

py/sf_google_sheet_range.py

@@ -0,0 +1,162 @@
+import csv
+import io
+import re
+import requests
+
+from .sf_google_sheet_cell import col_letter_to_index
+
+
+class SFGoogleSheetRange:
+    """
+    Reads a range of cells from a publicly shared Google Sheet and joins them
+    into a single string using a configurable delimiter.
+    Cells are read left to right, top to bottom.
+    Row numbers are 1-indexed. Columns use letter notation (A, B, C, ...) matching Google Sheets.
+    The sheet must be shared as "Anyone with the link can view."
+    """
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "url": (
+                    "STRING",
+                    {
+                        "multiline": False,
+                        "default": "https://docs.google.com/spreadsheets/d/.../edit",
+                        "tooltip": (
+                            "Full Google Sheets URL. "
+                            "The sheet must be shared: Share → Anyone with the link → Viewer."
+                        ),
+                    },
+                ),
+                "sheet_gid": (
+                    "STRING",
+                    {
+                        "default": "0",
+                        "tooltip": (
+                            "Sheet tab GID — found in the URL after '#gid='. "
+                            "Use 0 for the first/default sheet."
+                        ),
+                    },
+                ),
+                "start_row": (
+                    "INT",
+                    {
+                        "default": 1,
+                        "min": 1,
+                        "step": 1,
+                        "tooltip": "First row of the range (1 = first row in the sheet).",
+                    },
+                ),
+                "start_col": (
+                    "STRING",
+                    {
+                        "default": "A",
+                        "tooltip": "First column of the range (e.g. A, B, C, AA, ...).",
+                    },
+                ),
+                "end_row": (
+                    "INT",
+                    {
+                        "default": 1,
+                        "min": 1,
+                        "step": 1,
+                        "tooltip": "Last row of the range (inclusive).",
+                    },
+                ),
+                "end_col": (
+                    "STRING",
+                    {
+                        "default": "A",
+                        "tooltip": "Last column of the range (inclusive, e.g. A, B, C, AA, ...).",
+                    },
+                ),
+                "delimiter": (
+                    "STRING",
+                    {
+                        "default": ", ",
+                        "multiline": False,
+                        "tooltip": (
+                            "String placed between each cell value in the output. "
+                            "Can be typed directly or connected from another string node."
+                        ),
+                    },
+                ),
+            }
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("text",)
+    FUNCTION = "get_range"
+    CATEGORY = "Stillfront/Utils"
+
+    def get_range(
+        self,
+        url: str,
+        sheet_gid: str,
+        start_row: int,
+        start_col: str,
+        end_row: int,
+        end_col: str,
+        delimiter: str,
+    ) -> tuple:
+        start_col_idx = col_letter_to_index(start_col)
+        end_col_idx = col_letter_to_index(end_col)
+
+        if start_row > end_row:
+            raise ValueError(f"start_row ({start_row}) must be ≤ end_row ({end_row}).")
+        if start_col_idx > end_col_idx:
+            raise ValueError(
+                f"start_col '{start_col.upper()}' must be ≤ end_col '{end_col.upper()}'."
+            )
+
+        table = self._fetch_sheet(url, sheet_gid)
+
+        cells = []
+        for r in range(start_row - 1, end_row):
+            if r >= len(table):
+                break
+            row_data = table[r]
+            for c in range(start_col_idx, end_col_idx + 1):
+                value = row_data[c] if c < len(row_data) else ""
+                cells.append(str(value))
+
+        return (delimiter.join(cells),)
+
+    def _fetch_sheet(self, url: str, sheet_gid: str) -> list:
+        spreadsheet_id = self._extract_id(url)
+        gid = sheet_gid.strip() or "0"
+
+        csv_url = (
+            f"https://docs.google.com/spreadsheets/d/{spreadsheet_id}"
+            f"/gviz/tq?tqx=out:csv&gid={gid}"
+        )
+
+        try:
+            response = requests.get(csv_url, timeout=15)
+            response.raise_for_status()
+        except requests.exceptions.HTTPError as e:
+            raise RuntimeError(
+                f"Could not access Google Sheet (HTTP {response.status_code}). "
+                f"Make sure the sheet is shared as 'Anyone with the link can view'. Error: {e}"
+            )
+        except requests.exceptions.RequestException as e:
+            raise RuntimeError(f"Failed to fetch Google Sheet: {e}")
+
+        content = response.content.decode("utf-8")
+        return list(csv.reader(io.StringIO(content)))
+
+    def _extract_id(self, url: str) -> str:
+        match = re.search(r"/d/([a-zA-Z0-9-_]+)", url)
+        if match:
+            return match.group(1)
+        if re.match(r"^[a-zA-Z0-9-_]+$", url.strip()):
+            return url.strip()
+        raise ValueError(
+            "Could not extract spreadsheet ID. Please provide a full Google Sheets URL."
+        )
+
+
+NODE_CLASS_MAPPINGS = {"SFGoogleSheetRange": SFGoogleSheetRange}
+NODE_DISPLAY_NAME_MAPPINGS = {"SFGoogleSheetRange": "SF Google Sheet Range"}

py/sf_version_check.py

@@ -0,0 +1,16 @@
+class SFVersionCheck:
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {"required": {}}
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("version",)
+    FUNCTION = "get_version"
+    CATEGORY = "Stillfront/Utils"
+
+    def get_version(self):
+        return ("SF ComfyUI Nodes v1.0.2",)
+
+
+NODE_CLASS_MAPPINGS = {"SFVersionCheck": SFVersionCheck}
+NODE_DISPLAY_NAME_MAPPINGS = {"SFVersionCheck": "SF Version Check"}

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-sf-nodes"
 description = "Custom nodes for ComfyUI including LLM Chat with support for Claude, Gemini, and OpenAI models, WaveSpeed AI image/video generation, VertexAI integration, and workflow utilities"
-version = "1.0.1"
+version = "1.0.5"
 license = { file = "LICENSE" }
 dependencies = [
     "requests>=2.31.0",