def check_static_image(file_path):
app.logger.debug('check_static_image file_path = %s' % file_path)
filename, suffix = os.path.splitext(file_path)
if suffix != '.png' and suffix != '.jpg' and suffix != '.gif':
return
category = split_category(file_path)
if category is None:
return
is_origin = True
if filename[len(filename) - 7:] != '_origin':
is_origin = False
else:
filename = filename[:len(filename) - 7]
markdown_image_path = utils.fix_sep(
os.path.join(MARKDOWN_ROOT, filename + suffix), os.sep)
if not os.path.isfile(markdown_image_path):
return
static_image_path = utils.fix_sep(
os.path.join(STATIC_ROOT, filename + suffix), os.sep)
if not os.path.exists(static_image_path) \
or os.path.getmtime(markdown_image_path) != os.path.getmtime(static_image_path):
utils.check_dirs(static_image_path)
# 从markdown目录拷贝图片到static目录，并保留原始的修改时间戳
shutil.copy2(markdown_image_path, static_image_path)
app.logger.debug('copy image success')
thumb_path = '%s_thumb%s' % os.path.splitext(static_image_path)
if not os.path.exists(thumb_path) \
or os.path.getmtime(markdown_image_path) != os.path.getmtime(thumb_path):
# 制作缩略图
img = Image.open(static_image_path)
width, height = img.size
if width <= IMAGE_MAX_WIDTH:
return app.send_static_file(filename + suffix)
if os.path.exists(thumb_path):
os.remove(thumb_path)
rate = IMAGE_MAX_WIDTH / width
img.thumbnail((math.floor(width * rate), math.floor(height * rate)))
img.save(thumb_path)
os.utime(thumb_path, (os.path.getatime(markdown_image_path),
os.path.getmtime(markdown_image_path)))
app.logger.debug('make thumb success')
if is_origin:
# 返回原图
return app.send_static_file(filename + suffix)
# 返回缩略图
return app.send_static_file('%s_thumb%s' % (filename, suffix))
def update_markdown_thumbnail(md_path, insert=True):
with codecs.open(md_path, 'r', 'utf-8') as infile:
comments = match_comment(infile.read())
title = comments.get('title', '')
date = comments.get('date', '').replace('/', '-')
dates = date.split('-')
if len(dates) == 3:
date = dates[0]
date += '-'
date += dates[1] if len(dates[1]) != 1 else '0' + dates[1]
date += '-'
date += dates[2] if len(dates[2]) != 1 else '0' + dates[2]
label = comments.get('label', '')
desc = comments.get('desc', '')
md_path = utils.fix_sep(md_path, '/')
if insert:
mtime = os.path.getmtime(md_path)
category = md_path.split('/')[1]
hits = random.randint(128, 512)
data = [(category, title, date, label, desc, md_path, mtime, hits)]
helper.save(data)
else:
# 更新db内数据时，只更新markdown内容数据，不更新mtime。
# 当请求某个markdown网页时，db内的mtime与markdown文件的mtime做对比，
# 如果对比不一致，则重新生成markdown网页并保存，然后更新db内的mtime
data = [(title, date, label, desc, md_path)]
helper.update_thumbnail(data)
def check_markdown(md_path):
md_path = utils.fix_sep(md_path, '/')
result = helper.fetchone(md_path)
if result is None:
return
if len(result) == 0:
update_markdown_thumbnail(md_path)
return
if result[0][helper.MODIFIED_TIME] != os.path.getmtime(md_path):
update_markdown_thumbnail(md_path, False)
return
def show_markdown(file_path):
app.logger.debug('show_markdown file_path = %s' % file_path)
filename, suffix = os.path.splitext(file_path)
if suffix != '.md':
return show_static(file_path)
markdown_path = utils.fix_sep(os.path.join(MARKDOWN_ROOT, file_path),
os.sep)
if not os.path.isfile(markdown_path):
return page_not_found('not found [%s]', file_path)
else:
html_path = utils.fix_sep(
os.path.join(STATIC_ROOT, '%s.html' % filename), os.sep)
if not os.path.exists(html_path):
make_markdown_html(file_path)
data = thumbnail.fetchone('markdown/' + file_path)
mtime = os.path.getmtime(markdown_path)
if len(data) != 0 and data[0][thumbnail.MODIFIED_TIME] != mtime:
make_markdown_html(file_path)
thumbnail.update_modified_time('markdown/' + file_path, mtime)
thumbnail.update_hits('markdown/' + file_path)
return app.send_static_file('%s.html' % filename)
def make_markdown_html(file_path):
app.logger.debug('make_markdown_html file_path = %s' % file_path)
category = split_category(file_path)
blog_list = calc_markdown_thumbnail_list(category=category)
# 转换markdown为html，并存入文件
markdown_path = utils.fix_sep(os.path.join(MARKDOWN_ROOT, file_path),
os.sep)
html_path = utils.fix_sep(
os.path.join(STATIC_ROOT,
os.path.splitext(file_path)[0] + '.html'), os.sep)
data = thumbnail.fetchone(utils.fix_sep(markdown_path, '/'))
title = data[0][thumbnail.TITLE] if len(data) != 0 else '博客'
with codecs.open(markdown_path, 'r', 'utf-8') as infile:
utils.check_dirs(html_path)
with codecs.open(html_path, 'w', 'utf-8',
errors='xmlcharrefreplace') as outfile:
blog_html = markdown_to_html(infile.read())
outfile.write(
render_html(title, category, blog_list['labels'],
blog_list['dates'], blog_html))
app.logger.info('convert and write "%s" success' % file_path)
def split_category(file_path):
file_path = utils.fix_sep(file_path, '/')
split = file_path.split('/')
return split[len(split) - 2]