Python ReportLab LayoutError:第页太大

我正在使用ReportLab执行我的第一个程序，我事先不知道分页符将落在哪里，我遇到了问题。为了保持简单，我使用了

SimpleDocTemplate

。我的流动性看起来像这样：

flowables = [Paragraph("Some title", style=headerParagraphStyle),
             Spacer(0, 10),
             Paragraph("first paragraph", style=bodyParagraphStyle),
             Paragraph("second paragraph", style=bodyParagraphStyle),
             ...
             Paragraph("nth paragraph", style=bodyParagraphStyle),
             PageBreak(),
             Paragraph("Some title", style=headerParagraphStyle),
             Spacer(0, 10),
             Paragraph("first paragraph", style=bodyParagraphStyle),
             Paragraph("second paragraph", style=bodyParagraphStyle),
             ...
             Paragraph("mth paragraph", style=bodyParagraphStyle),
             PageBreak(),
             ...]

当我构建PDF时，只要我的

n

或

m

或一页中有多少正文段落，一切都会正常进行，但如果它们被覆盖，我会得到如下错误：

reportlab.platypus.doctemplate.LayoutError: Flowable <Paragraph at 0xb79800 frame=normal>20th paragraph: too large on page 3

spireport2.csv：

College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æone with a line break; let's see what happensæææweird charactèrs áÈ-{ô College of Health & Public AffæCriminal Justice/Legal Studiesæsample@mail.comæAn InstructoræFOUNDATIONS OF LAW ENFORCEMENTæCJE5021æ0001æ1370æ 7ææææô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205ææææô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205ææææô College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205ææææô College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræHARLEM, HAITI, AND HAVANAæAML3615æ0001æ1370æ 35ææææô College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræCONT AMERICAN WOMEN S FICTIONæAML3283æ0001æ1370æ 35ææææô College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræPOST-WORLD WAR II FICTIONæLIT4303æ0M01æ1370æ 32ææææô College of Arts & HumanitiesæEnglishæbill@gates.comæAn InstructoræMAJOR AMERICAN AUTHORSæAML4300æ0001æ1370æ 33ææææô College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræPRACTICAL CRITICISMæENG3010æ0001æ1370æ 36ææææô 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ示例注释æ我喜欢它æ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205æ一个带断线的；让我们看看发生了什么奇怪的事情 卫生与公共事务学院（刑事司法/法律研究）sample@mail.comæ讲师æ执法基础æCJE5021æ0001æ1370æ7ææ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205ææ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205ææ 健康与公共事务学院健康信息管理example@example.comæ讲师æ医学术语æHSC3537æ0M01æ1370æ205ææ 艺术与人文学院英语spam@me.com教官哈莱姆、海地和哈瓦那 艺术与人文学院英语spam@me.comæ讲师æCONT美国女性小说æAML3283æ0001æ1370æ35ææ 艺术与人文学院英语spam@me.com教官二战后小说 艺术与人文学院英语bill@gates.comæ讲师æ美国主要作家æAML4300æ0001æ1370æ33ææ 艺术与人文学院英语spam@me.comæ讲师æ实践批评æ英语3010æ0001æ1370æ36æ

---

我自己找到了一个解决方法。基于一些，我能够让我的代码可靠地工作。解决方案虽然很难看，但还是将我所有的

段落

包装在代码的一部分中，该部分为

内的学生评论创建
段落
。例如，我将一行相关内容改为：

reportDocContent.append(KeepTogether(Paragraph(commentParagraph, style=commentParagraphStyle)))

现在它可以工作了（至少，在尝试了大量样本数据后，我还没能打破它）。
看起来这是一个老问题，但我最近遇到了同样的错误，我来这里寻求一些建议。我做的修复是将垫片尺寸改为旧尺寸的一半。它以前是垫片（1,0.2*inch）我把它改成了间隔垫圈（1
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æsample commentsææi like itæô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205æone with a line break; let's see what happensæææweird charactèrs  áÈ-{ô
College of Health & Public AffæCriminal Justice/Legal Studiesæsample@mail.comæAn InstructoræFOUNDATIONS OF LAW ENFORCEMENTæCJE5021æ0001æ1370æ   7ææææô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205ææææô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205ææææô
College of Health & Public AffæHealth Info Mgmtæexample@example.comæAn InstructoræMEDICAL TERMINOLOGYæHSC3537æ0M01æ1370æ 205ææææô
College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræHARLEM, HAITI, AND HAVANAæAML3615æ0001æ1370æ  35ææææô
College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræCONT AMERICAN WOMEN S FICTIONæAML3283æ0001æ1370æ  35ææææô
College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræPOST-WORLD WAR II FICTIONæLIT4303æ0M01æ1370æ  32ææææô
College of Arts & HumanitiesæEnglishæbill@gates.comæAn InstructoræMAJOR AMERICAN AUTHORSæAML4300æ0001æ1370æ  33ææææô
College of Arts & HumanitiesæEnglishæspam@me.comæAn InstructoræPRACTICAL CRITICISMæENG3010æ0001æ1370æ  36ææææô
reportDocContent.append(KeepTogether(Paragraph(commentParagraph, style=commentParagraphStyle)))

  File "/opt/python2.7/lib/python2.7/site-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/doctemplate.py", line 1117, in build
    BaseDocTemplate.build(self,flowables, canvasmaker=canvasmaker)
  File "/opt/python2.7/lib/python2.7/site-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/doctemplate.py", line 880, in build
    self.handle_flowable(flowables)
  File "/opt/python2.7/lib/python2.7/site-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/doctemplate.py", line 793, in handle_flowable
    raise LayoutError(ident)
reportlab.platypus.doctemplate.LayoutError: Flowable <Spacer at 0xf01440 frame=normal>...(1 x 14.4) too large on page 10 in frame 'normal'(439.275590551 x 628.28976378) of template 'Later'