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| import html | |
| import math | |
| import re | |
| from collections import Counter | |
| def build_word_frequencies(text_series): | |
| tokens = [] | |
| stopwords = { | |
| "그리고", "하지만", "그래서", "정말", "제가", "저는", "너무", "이번", "지금", | |
| "그냥", "대한", "대한해", "같은", "합니다", "입니다", "있는", "없는", "수업", | |
| "토론", "토의", "의견", "생각", "내용", "때문", "하면", "하면요", "입니다요", "있다", "않으면", "많은" | |
| } | |
| particle_suffixes = [ | |
| "에게서", "으로는", "이라고", "라면", "처럼", "까지는", "으로도", "에서", "에게", "으로", "로써", | |
| "로서", "보다", "까지", "부터", "만큼", "이나", "라도", "이며", "이고", "에서", "으로", "이라", | |
| "라고", "와", "과", "을", "를", "이", "가", "은", "는", "에", "도", "만", "로", "랑", "나" | |
| ] | |
| def normalize_token(token): | |
| cleaned = re.sub(r"^[^\w가-힣]+|[^\w가-힣]+$", "", token) | |
| if len(cleaned) < 2: | |
| return "" | |
| normalized = cleaned | |
| for suffix in particle_suffixes: | |
| if normalized.endswith(suffix) and len(normalized) > len(suffix) + 1: | |
| normalized = normalized[: -len(suffix)] | |
| break | |
| return normalized | |
| for content in text_series.fillna("").astype(str): | |
| for token in content.replace("\n", " ").split(): | |
| cleaned = normalize_token(token) | |
| if len(cleaned) < 2: | |
| continue | |
| if cleaned in stopwords: | |
| continue | |
| tokens.append(cleaned) | |
| return Counter(tokens) | |
| def build_circular_wordcloud_html(frequencies, max_words=40, width=760, height=520): | |
| if not frequencies: | |
| return "" | |
| sorted_words = sorted(frequencies.items(), key=lambda item: (-item[1], item[0]))[:max_words] | |
| max_count = sorted_words[0][1] | |
| min_count = sorted_words[-1][1] | |
| palette = ["#00695C", "#0077B6", "#0B3D91", "#1F8EFA", "#A3CFE2"] | |
| cx, cy = width / 2, height / 2 | |
| placed_rects = [] | |
| svg_text_nodes = [] | |
| def estimate_text_units(word): | |
| units = 0.0 | |
| for ch in word: | |
| code = ord(ch) | |
| if 0xAC00 <= code <= 0xD7A3: units += 1.0 | |
| elif 0x3130 <= code <= 0x318F: units += 0.95 | |
| elif 0x4E00 <= code <= 0x9FFF: units += 1.0 | |
| elif ch.isascii() and (ch.isalpha() or ch.isdigit()): units += 0.62 | |
| else: units += 0.75 | |
| return max(units, 1.0) | |
| def overlaps(rect): | |
| x, y, w, h = rect | |
| padding = 2 | |
| for ox, oy, ow, oh in placed_rects: | |
| if not (x + w + padding < ox or ox + ow + padding < x or y + h + padding < oy or oy + oh + padding < y): | |
| return True | |
| return False | |
| def is_inside_canvas(x, y, w, h): | |
| margin = 10 | |
| return x >= margin and y >= margin and (x + w) <= (width - margin) and (y + h) <= (height - margin) | |
| for index, (word, count) in enumerate(sorted_words): | |
| if max_count == min_count: | |
| font_size = 28 | |
| else: | |
| ratio = (count - min_count) / (max_count - min_count) | |
| eased_ratio = ratio ** 0.85 | |
| font_size = int(18 + eased_ratio * 86) | |
| font_size = min(font_size, 140) | |
| color = palette[index % len(palette)] | |
| text_units = estimate_text_units(word) | |
| text_width = max(32, font_size * (text_units + 0.62)) | |
| text_height = max(24, font_size * 1.22) | |
| placed = False | |
| for step in range(1, 3200): | |
| angle = step * 0.4 + index * 0.18 | |
| spiral_radius = 2 + step * 0.42 | |
| x = cx + spiral_radius * math.cos(angle) - text_width / 2 | |
| y = cy + spiral_radius * math.sin(angle) - text_height / 2 | |
| rect = (x, y, text_width, text_height) | |
| if not is_inside_canvas(x, y, text_width, text_height): | |
| continue | |
| if overlaps(rect): | |
| continue | |
| placed_rects.append(rect) | |
| safe_word = html.escape(word) | |
| tx, ty = x + 1.5, y + text_height * 0.84 | |
| svg_text_nodes.append( | |
| f"<text x='{tx:.1f}' y='{ty:.1f}' fill='{color}' font-size='{font_size}' " | |
| f"font-weight='800' letter-spacing='-0.01em'>{safe_word}</text>" | |
| ) | |
| placed = True | |
| break | |
| if not placed: | |
| continue | |
| return ( | |
| "<div style='padding:10px; border:1px solid #e9e9e9; border-radius:10px; background:#f3f5f7;'>" | |
| f"<svg viewBox='0 0 {width} {height}' style='width:100%; height:auto; display:block;' " | |
| "xmlns='http://www.w3.org/2000/svg'>" | |
| "<rect x='0' y='0' width='100%' height='100%' fill='#f3f5f7' />" | |
| + "".join(svg_text_nodes) | |
| + "</svg></div>" | |
| ) | |