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build tools for FreeCAD based CAD projects, including Git diff integration and headless part export

License: GNU General Public License v3.0

Makefile 6.06% Python 63.04% Shell 30.90%
cad fcstd file-converter freecad headless meshdiff step

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freecad-build's Issues

failed to generate diff

I'm getting the following error when I attempt to use this tool to diff two FreeCAD files

!!! failed to generate diff for /tmp/meshdiff.GzagNrvO/modified/intake.step in /tmp/meshdiff.GzagNrvO

Steps to Reproduce

Here's the commands I ran:

git clone https://github.com/khimaros/freecad-build.git

# main repo with old file to diff
git clone https://github.com/Eco-Libre/life-line.git
mv life-line/ eco-libre-life-line
cd eco-libre-life-line
git reset --hard e253913e2b06574ef150e16a960c00321d0d160f
cd ..

# forked repo with new file to diff
git clone https://github.com/Matterhorn777/life-line.git
mv life-line matterhorn777-life-line
cd matterhorn777-life-line
git reset --hard 362ec16ce9a9391e0a2766ea2841d9d87ef574eb
cd ..

# make step files
cd freecad-build/
./freecad-export ../eco-libre-life-line/intake.FCStd ../eco-libre-life-line/intake.step
./freecad-export ../matterhorn777-life-line/intake.FCStd ../matterhorn777-life-line/intake.step

# do diff
./freecad-diff ../eco-libre-life-line/intake.step ../matterhorn777-life-line/intake.step

Full Output

Here is the complete output of the last command (with error and traceback)

user@eco-libre:~/sandbox/freecad-build$ ./freecad-diff ../eco-libre-life-line/intake.step ../matterhorn777-life-line/intake.step 
>>> starting freecad-diff ../eco-libre-life-line/intake.step ../matterhorn777-life-line/intake.step
FreeCAD 0.20.2, Libs: 0.20.2R
(c) Juergen Riegel, Werner Mayer, Yorik van Havre and others 2001-2022
FreeCAD is free and open-source software licensed under the terms of LGPL2+ license.
FreeCAD wouldn't be possible without FreeCAD community.
  #####                 ####  ###   ####  
  #                    #      # #   #   # 
  #     ##  #### ####  #     #   #  #   # 
  ####  # # #  # #  #  #     #####  #   # 
  #     #   #### ####  #    #     # #   # 
  #     #   #    #     #    #     # #   #  ##  ##  ##
  #     #   #### ####   ### #     # ####   ##  ##  ##

### loading document /tmp/meshdiff.nUaFqGNL/previous/intake.step step
### active document 
Recompute......
### finding part with label intake
### found labeled part
### found usable part Unnamed#Part__Feature Part::Feature
Traceback (most recent call last):
  File "<string>", line 1, in <module>
<class 'OSError'>: cannot read STEP file
Exception while processing file: /tmp/meshdiff.nUaFqGNL/previous.step [cannot read STEP file]
FreeCAD 0.20.2, Libs: 0.20.2R			(100 %)		
(c) Juergen Riegel, Werner Mayer, Yorik van Havre and others 2001-2022
FreeCAD is free and open-source software licensed under the terms of LGPL2+ license.
FreeCAD wouldn't be possible without FreeCAD community.
  #####                 ####  ###   ####  
  #                    #      # #   #   # 
  #     ##  #### ####  #     #   #  #   # 
  ####  # # #  # #  #  #     #####  #   # 
  #     #   #### ####  #    #     # #   # 
  #     #   #    #     #    #     # #   #  ##  ##  ##
  #     #   #### ####   ### #     # ####   ##  ##  ##

### loading document /tmp/meshdiff.nUaFqGNL/modified/intake.step step
### active document 
Recompute......
### finding part with label intake
### found labeled part
### found usable part Unnamed#Part__Feature Part::Feature
Traceback (most recent call last):
  File "<string>", line 1, in <module>
<class 'OSError'>: cannot read STEP file
Exception while processing file: /tmp/meshdiff.nUaFqGNL/modified.step [cannot read STEP file]
FreeCAD 0.20.2, Libs: 0.20.2R			(100 %)		
(c) Juergen Riegel, Werner Mayer, Yorik van Havre and others 2001-2022
FreeCAD is free and open-source software licensed under the terms of LGPL2+ license.
FreeCAD wouldn't be possible without FreeCAD community.
  #####                 ####  ###   ####  
  #                    #      # #   #   # 
  #     ##  #### ####  #     #   #  #   # 
  ####  # # #  # #  #  #     #####  #   # 
  #     #   #### ####  #    #     # #   # 
  #     #   #    #     #    #     # #   #  ##  ##  ##
  #     #   #### ####   ### #     # ####   ##  ##  ##

### loading document /tmp/meshdiff.nUaFqGNL/modified.step step
Traceback (most recent call last):
  File "<string>", line 1, in <module>
<class 'OSError'>: cannot read STEP file
Exception while processing file: /tmp/meshdiff.nUaFqGNL/modified.step [cannot read STEP file]
Traceback (most recent call last):
  File "<string>", line 1, in <module>
<class 'OSError'>: cannot read STEP file
Exception while processing file: /tmp/meshdiff.nUaFqGNL/previous.step [cannot read STEP file]
Traceback (most recent call last):
  File "<string>", line 1, in <module>
<class 'OSError'>: cannot read STEP file
Exception while processing file: /tmp/meshdiff.nUaFqGNL/diff-output.step [cannot read STEP file]
!!! failed to generate diff for /tmp/meshdiff.nUaFqGNL/modified/intake.step in /tmp/meshdiff.nUaFqGNL
user@eco-libre:~/sandbox/freecad-build$

Additional Context

I received this error on Debian 12 using the latest version of FreeCAD available in the apt repos as of 2023-12-09

user@eco-libre:~$ cat /etc/issue
Debian GNU/Linux 12 \n \l

user@eco-libre:~$ uname -a
Linux eco-libre 6.1.62-1.qubes.fc32.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Nov 14 07:11:33 CET 2023 x86_64 GNU/Linux
user@eco-libre:~$ sudo dpkg -l | grep -i freecad
ii  freecad                                       0.20.2+dfsg1-4                          all          Extensible Open Source CAx program
ii  freecad-common                                0.20.2+dfsg1-4                          all          Extensible Open Source CAx program - common files
ii  freecad-python3                               0.20.2+dfsg1-4                          amd64        Extensible Open Source CAx program - Python 3 binaries
ii  libfreecad-python3-0.20                       0.20.2+dfsg1-4                          amd64        Extensible Open Source CAx program - Python 3 library files
user@eco-libre:~$

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