wireviz
AttributeError: 'NoneType' object has no attribute 'get'
I'm unable to process my WireViz file. It's correctly formatted, but it fails with a strange error. To reproduce, save the harness.yaml file in the same directory that command will be run from, and then run wireviz harness.yaml
oskar@oskar-Inspiron-5577:~/SynologyDrive/3D/filamaker$ wireviz harness.yaml
WireViz 0.4.1
Input file: harness.yaml
Output file: harness.[html|png|svg|tsv]
Traceback (most recent call last):
File "/home/oskar/.local/bin/wireviz", line 8, in <module>
sys.exit(wireviz())
^^^^^^^^^
File "/home/oskar/.local/share/pipx/venvs/wireviz/lib/python3.12/site-packages/click/core.py", line 1157, in __call__
return self.main(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/oskar/.local/share/pipx/venvs/wireviz/lib/python3.12/site-packages/click/core.py", line 1078, in main
rv = self.invoke(ctx)
^^^^^^^^^^^^^^^^
File "/home/oskar/.local/share/pipx/venvs/wireviz/lib/python3.12/site-packages/click/core.py", line 1434, in invoke
return ctx.invoke(self.callback, **ctx.params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/oskar/.local/share/pipx/venvs/wireviz/lib/python3.12/site-packages/click/core.py", line 783, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/oskar/.local/share/pipx/venvs/wireviz/lib/python3.12/site-packages/wireviz/wv_cli.py", line 141, in wireviz
wv.parse(
File "/home/oskar/.local/share/pipx/venvs/wireviz/lib/python3.12/site-packages/wireviz/wireviz.py", line 140, in parse
image = attribs.get("image")
^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'get'
And here's the harness.yaml file:
templates:
- &CableMains
category: bundle
gauge: 0.5 mm2
length: 1
colors: [BN, BU, GN]
show_equiv: true
- &StepperCon
type: Molex KK 254
subtype: female
pinlabels: [12V, 5V, EN, STEP, DIR, GND]
- &I2C
type: DuPont
subtype: female
pinlabels: [GND, VCC, SDA, SCL]
- &CableI2C
category: bundle
gauge: 0.08 mm2
length: 0.5
colors: [RD, BK, GN, WH]
show_equiv: true
- &Encoder
type: DuPont
subtype: female
pinlabels: [CLK, DT, SW, VCC, GND]
- &Mains
type: Ferrules
subtype: male
pinlabels: [L, N, PE]
connectors:
BoardMains:
type: Molex KK 254
subtype: female
pinlabels: [L, N, PE]
BoardMains2:
BoardPower:
type: Molex KK 254
subtype: female
pinlabels: [12V, 5V, 3V3, GND]
BoardThermistor:
type: JST XH
subtype: male
pinlabels: [TH1, TH2]
BoardStepper:
<<: *StepperCon
BoardLCD:
<<: *I2C
BoardCaliper:
<<: *I2C
BoardEncoder:
<<: *Encoder
MotorPower:
type: Spade 6.3
subtype: female
pinlabels: [12V, GND]
ToPSU:
type: Soldered
pinlabels: [L, N, PE, 12V, 5V, 3V3, GND]
Heater:
type: Spade
pinlabels: [L, N, PE, TH1, TH2]
Stepper:
<<: *StepperCon
LCD:
<<: *I2C
Caliper:
<<: *I2C
Encoder:
<<: *Encoder
cables:
CableMotor:
category: bundle
gauge: 2.5 mm2
length: 1
colors: [RD, BK]
show_equiv: true
CableBoard:
category: bundle
gauge: 0.25 mm2
length: 1
colors: [YE, RD, OG, BK]
show_equiv: true
CableMainsIn:
<<: *CableMains
CableMainsHeater:
<<: *CableMains
length: 0.6
colors: [BN, BU, GN, WH, WH]
CableStepper:
category: bundle
gauge: 0.25 mm2
length: 0.6
colors: [YE, RD, GN, BU, WH, BK]
show_equiv: true
CableLCD:
<<: *CableI2C
CableCaliper:
<<: *CableI2C
CableEncoder:
category: bundle
gauge: 0.08 mm2
length: 0.15
colors: [WH, GN, BU, RD, BK]
show_equiv: true
connections:
-
- ToPSU: [1-3]
- CableMainsIn: [1-3]
- BoardMains: [1-3]
-
- BoardMains2: [1-3]
- CableMainsHeater: [1-3]
- Heater: [1-3]
-
- BoardThermistor: [1, 2]
- CableMainsHeater: [4, 5]
- Heater: [4, 5]
-
- ToPSU: [4, 7]
- CableMotor: [1, 2]
- MotorPower: [1, 2]
-
- ToPSU: [4-7]
- CableBoard: [1-4]
- BoardPower: [1-4]
-
- BoardStepper: [1-6]
- CableStepper: [1-6]
- Stepper: [1-4, 6, 5]
-
- BoardLCD: [1-4]
- CableLCD: [1-4]
- LCD: [1-4]
-
- BoardCaliper: [1-4]
- CableCaliper: [1-4]
- Caliper: [1-4]
-
- BoardEncoder: [1-5]
- CableEncoder: [1-5]
- Encoder: [1-5]
@Monniasza wrote:
I'm unable to process my WireViz file. It's correctly formatted,
I'm afraid, your YAML input is not completely correct.
but it fails with a strange error. To reproduce, save the harness.yaml file in the same directory that command will be run from, and then run
wireviz harness.yamloskar@oskar-Inspiron-5577:~/SynologyDrive/3D/filamaker$ wireviz harness.yaml WireViz 0.4.1 Input file: harness.yaml Output file: harness.[html|png|svg|tsv] Traceback (most recent call last): [...] File "/home/oskar/.local/share/pipx/venvs/wireviz/lib/python3.12/site-packages/wireviz/wireviz.py", line 140, in parse image = attribs.get("image") ^^^^^^^^^^^ AttributeError: 'NoneType' object has no attribute 'get'
This exception tells me that one of your entries where an image attribute is allowed (connector or cable entry) is None instead of the expected dict type.
I admit that we should improve the explanation of such unexpected YAML input, and we discuss such improvements in #207.
And here's the harness.yaml file:
templates: - [...] connectors: BoardMains: type: Molex KK 254 subtype: female pinlabels: [L, N, PE] BoardMains2: BoardPower: [...]
Your BoardMains2 entry has no attributes and is therefore interpreted as None. If I add a pincount: 3 attribute to this entry, the YAML input is processed without any error.
connections: - - ToPSU: [1-3] - CableMainsIn: [1-3] - BoardMains: [1-3] - - BoardMains2: [1-3]
The BoardMains2 needs at least 3 pins for this connection to be legal.
@kvid The message should say that entry is empty, like "SomeConnector is empty"