Merge pull request #1099 from myhloli/dev

refactor(magic_pdf): remove unused functions and simplify code

magic_pdf/pre_proc/main_text_font.py.bak

-import collections
-
-
-def get_main_text_font(pdf_docs):
-    font_names = collections.Counter()
-    for page in pdf_docs:
-        blocks = page.get_text('dict')['blocks']
-        if blocks is not None:
-            for block in blocks:
-                lines = block.get('lines')
-                if lines is not None:
-                    for line in lines:
-                        span_font = [(span['font'], len(span['text'])) for span in line['spans'] if
-                                     'font' in span and len(span['text']) > 0]
-                        if span_font:
-                            # main_text_font应该用基于字数最多的字体而不是span级别的统计
-                            # font_names.append(font_name for font_name in span_font)
-                            # block_fonts.append(font_name for font_name in span_font)
-                            for font, count in span_font:
-                                font_names[font] += count
-    main_text_font = font_names.most_common(1)[0][0]
-    return main_text_font
-