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Validate that object is PDFStream in do_EI (#451) 

* check obj type

* update changelog

* Update CHANGELOG.md

Co-authored-by: Pieter Marsman <pietermarsman@gmail.com>
pull/461/head
Tony(Baojia) Tong 2020-07-05 07:42:15 -04:00 committed by GitHub
parent ce7775fd4f
commit 836d312982
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2 changed files with 6 additions and 5 deletions
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9
CHANGELOG.md
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@ -5,7 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
## [Unreleased]
## Changed
### Fixed
- Validate image object in do_EI is a PDFStream ([#451](https://github.com/pdfminer/pdfminer.six/pull/451))
### Changed
- Hiding fallback xref by default from dumppdf.py output ([#431](https://github.com/pdfminer/pdfminer.six/pull/431))
## [20200517]
@ -20,6 +23,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
### Added
- Allow boxes_flow LAParam to be passed as None, validate the input, and update documentation ([#395](https://github.com/pdfminer/pdfminer.six/pull/395))
- Also accept file-like objects in high level functions `extract_text` and `extract_pages` ([#392](https://github.com/pdfminer/pdfminer.six/pull/392))
### Fixed
- Text no longer comes in reverse order when advanced layout analysis is disabled ([#398](https://github.com/pdfminer/pdfminer.six/pull/398))
@ -27,9 +31,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- Ignore ValueError when converting font encoding differences ([#389](https://github.com/pdfminer/pdfminer.six/pull/389))
- Grouping of text lines outside of parent container bounding box ([#386](https://github.com/pdfminer/pdfminer.six/pull/386))
### Added
- Also accept file-like objects in high level functions `extract_text` and `extract_pages` ([#392](https://github.com/pdfminer/pdfminer.six/pull/392))
### Changed
- Group text lines if they are centered ([#382](https://github.com/pdfminer/pdfminer.six/pull/382))

2
pdfminer/pdfinterp.py
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@ -837,7 +837,7 @@ class PDFPageInterpreter:
def do_EI(self, obj):
"""End inline image object"""
if 'W' in obj and 'H' in obj:
if isinstance(obj, PDFStream) and 'W' in obj and 'H' in obj:
iobjid = str(id(obj))
self.device.begin_figure(iobjid, (0, 0, 1, 1), MATRIX_IDENTITY)
self.device.render_image(iobjid, obj)