Bokeh 0.9.1 发布，Python 交互式可视化库

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　　Bokeh 0.9.1 发布，此版本更新内容如下：

　　* hover，选项和范围方面的更新
  * 部件文档和用户指南的新回调
  * 更多灵活的 embed.components，可以嵌入多个对象
  * 实现一个验证框架，提供错误和警报
  * 超过 30 个小的 bug 修复
  * bug 修复
    - #1254 [docs] Setting small plot_width or plot_height to categorical plot without min_border
    - #1255 [docs] Bokeh.embed.components second parameter not optional
    - #1926 [docs] Tap_select tool is actually tap
    - #2040 Expose level parameter in python
    - #2161 Color tuples not supported
    - #2176 Fix error: unable to parse uri to data
    - #2245 Bokeh-server --url-prefix is being ignored
    - #2282 [starter] [tests] Testmatrix script not in sync with bep 2
    - #2303 [build] Tagging on release produce wrong names in binstar packages
    - #2306 [bokehjs] [regression] Fix issues preventing bokehjs 0.9 working on jsfiddle site
    - #2311 [bokehjs] [docs] Broken link to help pages from bokeh plots
    - #2316 Text glyph font size from columndatasource field not working in 0.9
    - #2329 Diamond/diamondcross both show diamonds
    - #2336 [docs] Categorial heatmap gallery example missing (bad path)
    - #2338 Valueerror: min() arg is an empty sequence
    - #2356 [bokehjs] Force glyphs to always beginpath before rendering
    - #2357 Crosshairtool lacks "dimension" property
    - #2359 [docs] Animated line and animated glyph gallery examples are broken
    - #2365 [examples] Compat/seaborn/sinerror.py is broken
    - #2366 Patches doesn't render with reversed ranges
    - #2376 Hover on discontinuous patches
    - #2396 [bokehjs] [docs] Tools seems to be broken in latest version of chrome and chromium
    - #2416 Datetime scalar transformation loss of resolution
    - #2431 Datarange1d start and end bug
    - #2436 Bokeh jquery overriding previously loaded jquery
    - #2445 Prevent non-compliant json generation
    - #2459 Hotfix for components
    - #2478 [examples] Pin seaborn version
    - #2482 Deactivate tests before building to avoid huge packages
    - #2484 Use the correct extension
    - #2498 Use bokeh's jquery for server template
  * 新特性
    - #602 Add object integrity validation
    - #1727 Add categorical y axis
    - #1754 `to_bokeh` ignores alpha
    - #1873 [docs] Palette argument for charts not well documented
    - #1960 Throw exception if nonexistent keyword arguments are given
    - #2100 Fix handling of initial columns in crossfilter
    - #2213 Feature: bokeh-server with https enabled
    - #2335 Tab completion for splattable lists
    - #2348 Extend embed.component to let multiple objects be rendered in multiple divs
    - #2354 Add support for `styles` in google map `map_options`
    - #2368 [bokehjs] Minor grid lines
    - #2371 [docs] Add mailing list to gmane
    - #2390 [examples] Slider demo - animated bubble
    - #2410 Allow users to specify jinja2 template variables
    - #2411 Task/add range update callback
    - #2465 Callback for box selection tool
  * 任务
    - #850 [docs] Clarify how axes can be labelled
    - #853 [docs] Widget documentation
    - #2234 [bokehjs] Better bokehjs debug mode
    - #2293 [docs] [starter] Update bep2 install instructions
    - #2302 Updating bokeh server image
    - #2305 [docs] Server section on user guide
    - #2308 [build] [docs] Improve some tooling around version reporting
    - #2309 [docs] User guide improvements/typo corrections
    - #2313 [docs] Sampledata.download() defaults to home directory
    - #2320 Remove extra whitespace
    - #2322 [docs] [doc] changed `tap_select` to `tap`
    - #2337 [docs] Change binstar.org references to anaconda.org references
    - #2342 [build] Remove sbt-based build system
    - #2343 [docs] Keep output html filename consistent with exercise name
    - #2358 [examples] Added palettes example to gallery
    - #2400 [branches] Extend embed.component to let multiple objects be rendered in multiple divs
    - #2403 [branches] Added test, improved conditionals
    - #2404 [branches] Added error prompt wth message
    - #2406 [branches] Added document support alongside plotobject
    - #2407 [branches] Line too long
    - #2412 [bokehjs] Standardize callback interface with args
    - #2420 Build enhancements
    - #2421 Quasi-complete automation
    - #2433 Spectrogram improvements
    - #2440 Allow gridplot.select uses name & type paramters
    - #2457 [examples] Add example plotting widget with play stop
    - #2477 Add hovertool callback examples
    - #2481 [docs] Open docs pr for 0.9.1 release
    - #2483 [examples] Open pr for small example (only) updates for 0.9.1
    - #2485 Elide some unnecessary checks for map plots
    - #2510 [docs] Add 0.9.1 release highlights
    - #2511 Revert some automated commits
　　下载：https://github.com/bokeh/bokeh/archive/0.9.1.zip。
　　Bokeh (Bokeh.js) 是一个 Python 交互式可视化库，支持现代化 Web 浏览器，提供非常完美的展示功能。Bokeh 的目标是使用 D3.js 样式提供优雅，简洁新颖的图形化风格，同时提供大型数据集的高性能交互功能。Boken 可以快速的创建交互式的绘图，仪表盘和数据应用。