使用脚本访问CODESYS功能

# encoding:utf-8
from __future__ import print_function

STRUCT_CONTENT = """\
    a : BOOL;
    b : BIT;
    c : BIT;
"""

UNION_WHOLE = """\
TYPE MyUnion :
UNION
    Zahl : INT;
    Prozent : MyAlias;
    Bits : MyStruct;
END_UNION
END_TYPE
"""

proj = projects.primary

folder = proj.find('DataTypes', recursive = True)[0]

# Create a struct DUT and insert the list of variables just into the right
# place in line two, row 0 (line numbering starts with line 0)
struktur = folder.create_dut('MyStruct') # DutType.Structure is the default
struktur.textual_declaration.insert(2, 0, STRUCT_CONTENT)

# Alias types get their "content" via the base type, which will just end up
# as one line in the declaration part:
# TYPE MyAlias : INT (0..100); END_TYPE
bereich = folder.create_dut('MyAlias', DutType.Alias, "INT (0..100)")

# Instead of injecting the variables into the existing declaration,
# one can also just replace the complete declaration part, including the
# boilerplate code.
union = folder.create_dut('MyUnion', DutType.Union)
union.textual_declaration.replace(UNION_WHOLE)

# encoding:utf-8
from __future__ import print_function

"""Performs some tests on the messagestore and UI."""

print("Some Error, Warning and Information popups:")
system.ui.error("Fatal error: Everything is OK. :-)")
system.ui.warning("Your bank account is surprisingly low")
system.ui.info("Just for your information: 42")

print("Now, we ask the user something.")
res = system.ui.prompt("Do you like this?", PromptChoice.YesNo, PromptResult.Yes);
print("The user selected '%s'" % res)

print("Now, the user can choose between custom options:")
res = system.ui.choose("Please choose:", ("First", 2, 7.5, "Something else"))
print("The user selected option '%s'" % str(res)) # res is a tuple

print("Now, the user can choose several options:")
res = system.ui.select_many("Please select one or more options", PromptChoice.OKCancel, PromptResult.OK, ("La Premiere", "The Second", "Das Dritte"))
print("The returned result is: '%s'" % str(res)) # res is a tuple

print("Now, the user can select files and directories")
res = system.ui.open_file_dialog("Choose multiple files:", filter="Text files (*.txt)|*.txt|Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.*", filter_index = 0, multiselect=True)
print("The user did choose: '%s'" % str(res)) # res is a tuple as multiselect is true.

res = system.ui.save_file_dialog("Choose a file to save:", filter="Text files (*.txt)|*.txt|Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.*", filter_index = 0)
print("The user did choose: '%s'" % res)

res = system.ui.browse_directory_dialog("Choose a directory", path="C:\\")
print("The user did choose: '%s'" % res)

print("Now we query a single line string")
res = system.ui.query_string("What's your name?")
print("Nice to meet you, dear %s." % res)

print("Now we query a multi line string")
res = system.ui.query_string("Please tell me a nice story about your life!", multi_line=True)
if (res):
        print("Huh, that has been a long text, at least %s characters!" % len(res))
else:
        print("Hey, don't be lazy!")

# encoding:utf-8
from __future__ import print_function

proj = projects.load("D:\Some.library")

info = proj.get_project_info()

# Set some values
info.company = "Test Library Ltd"
info.title = "Script Test Project"
info.version = (0, 8, 15, 4711)
info.default_namespace = "testlibrary"
info.author = "Python von Scriptinger"

# some values recommended in the library toolchain
info.values["DefaultNamespace"] = "testlibrary"
info.values["Placeholder"] = "testlibrary"
info.values["DocFormat"] = "reStructuredText"

# now we set a custom / vendor specific value.
info.values["SpecialDeviceId"] = "PLC0815_4711"

# Enable generation of Accessor functions, so the IEC
# application can display the version in an info screen.
info.change_accessor_generation(True)

# And set the library to released
info.released = True;

proj.save()

# encoding:utf-8
# Imports a Device in PLCopenXML from Subversion via command line svn client.

# We enable the new python 3 print syntax
from __future__ import print_function

import sys, os

# some variable definitions:
SVNEXE = r"C:\Program Files\Subversion\bin\svn.exe"
XMLURL = "file:///D:/testrepo/testfolder/TestExport.xml"
PROJECT = r"D:\test.project"

# clean up any open project:
if projects.primary:
    projects.primary.close()

# Fetch the plcopenxml data from subversion.
# We'll catch the output of the program into the xmldata variable.
# The 'with' construct automatically closes the open pipe for us.
with os.popen('"' + SVNEXE + '" cat ' + XMLURL, 'r') as pipe:
    xmldata = pipe.read()

# create a new project:
proj = projects.create(PROJECT)

# import the data into the project.
proj.import_xml(xmldata, False)

# and finally save. :-)
proj.save()

print("--- Script finished. ---")

import tempfile

if projects.primary:
    projects.primary.close()

tempdir = tempfile.mkdtemp()
URL = "svn://localhost/testrepo/trunk/SvnTestLibrary/"

proj = svn.checkout(URL, tempdir, "testlibrary", as_library=True)
proj.save()

repo = librarymanager.repositories[0]
librarymanager.install_library(proj.path, repo, True)

proj.close()