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# -*- coding: utf-8 -*-
#
# AWL simulator - project V0 legacy format read support
#
# Copyright 2014-2018 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
#from awlsim.common.cython_support cimport * #@cy
from awlsim.common.compat import *
from awlsim.common.cpuspecs import * #+cimport
from awlsim.common.cpuconfig import *
from awlsim.common.sources import *
from awlsim.common.hwmod import *
from awlsim.common.util import *
from awlsim.common.exceptions import *
from awlsim.library.libselection import *
if isPy2Compat: #@nocov
from ConfigParser import SafeConfigParser as _ConfigParser
from ConfigParser import Error as _ConfigParserError
else: #@nocov
from configparser import ConfigParser as _ConfigParser
from configparser import Error as _ConfigParserError
import datetime
__all__ = [ "LegacyProjectParser", ]
class LegacyProjectParser(object):
"""Legacy project parser.
Legacy format is v0 INI-style file format.
"""
@classmethod
def parse(cls, projectClass, text, projectFile):
from awlsim.common.project import GuiSettings
from awlsim.common.project import CoreLinkSettings
from awlsim.common.project import HwmodSettings
projectDir = os.path.dirname(projectFile)
createDate = None
modifyDate = None
awlSources = []
fupSources = []
kopSources = []
symTabSources = []
libSelections = []
specs = S7CPUSpecs()
conf = S7CPUConfig()
guiSettings = GuiSettings()
linkSettings = CoreLinkSettings()
hwmodSettings = HwmodSettings()
try:
p = _ConfigParser()
textIO = StringIO(text)
if hasattr(p, "read_file"): #@nocov
p.read_file(textIO, projectFile)
else: #@nocov
p.readfp(textIO, projectFile)
# AWLSIM_PROJECT section
version = p.getint("AWLSIM_PROJECT", "file_version")
expectedVersion = 0
if version != expectedVersion:
raise AwlSimError("Project file: Unsupported version. "\
"File version is %d, but expected %d." %\
(version, expectedVersion))
if p.has_option("AWLSIM_PROJECT", "date"):
# Compatibility only. "date" is deprecated.
dStr = p.get("AWLSIM_PROJECT", "date")
try:
createDate = datetime.datetime.strptime(dStr,
projectClass.DATETIME_FMT)
except (ValueError, TypeError) as e:
createDate = None
modifyDate = createDate
if p.has_option("AWLSIM_PROJECT", "create_date"):
dStr = p.get("AWLSIM_PROJECT", "create_date")
try:
createDate = datetime.datetime.strptime(dStr,
projectClass.DATETIME_FMT)
except (ValueError, TypeError) as e:
createDate = None
if p.has_option("AWLSIM_PROJECT", "modify_date"):
dStr = p.get("AWLSIM_PROJECT", "modify_date")
try:
modifyDate = datetime.datetime.strptime(dStr,
projectClass.DATETIME_FMT)
except (ValueError, TypeError) as e:
modifyDate = None
def getSrcs(srcList, section, prefix, SrcClass):
for i in range(0xFFFF):
option = "%s_file_%d" % (prefix, i)
if not p.has_option(section, option):
break
path = p.get(section, option)
src = SrcClass.fromFile(
name=path,
filepath=RelPath(projectDir).fromRelative(path),
compatReEncode=True)
srcList.append(src)
for i in range(0xFFFF):
srcOption = "%s_%d" % (prefix, i)
nameOption = "%s_name_%d" % (prefix, i)
if not p.has_option(section, srcOption):
break
awlBase64 = p.get(section, srcOption)
name = None
if p.has_option(section, nameOption):
with contextlib.suppress(ValueError):
name = base64ToStr(
p.get(section, nameOption))
if name is None:
name = "%s #%d" % (SrcClass.SRCTYPE, i)
src = SrcClass.fromBase64(name, awlBase64)
srcList.append(src)
# CPU section
getSrcs(awlSources, "CPU", "awl", AwlSource)
if p.has_option("CPU", "mnemonics"):
mnemonics = p.getint("CPU", "mnemonics")
conf.setConfiguredMnemonics(mnemonics)
if p.has_option("CPU", "nr_accus"):
nrAccus = p.getint("CPU", "nr_accus")
specs.setNrAccus(nrAccus)
if p.has_option("CPU", "clock_memory_byte"):
clockMemByte = p.getint("CPU", "clock_memory_byte")
conf.setClockMemByte(clockMemByte)
if p.has_option("CPU", "ob_startinfo_enable"):
conf.setOBStartinfoEn(p.getboolean("CPU", "ob_startinfo_enable"))
if p.has_option("CPU", "ext_insns_enable"):
conf.setExtInsnsEn(p.getboolean("CPU", "ext_insns_enable"))
# FUP section
getSrcs(fupSources, "FUP", "fup", FupSource)
# KOP section
getSrcs(kopSources, "KOP", "kop", KopSource)
# SYMBOLS section
getSrcs(symTabSources, "SYMBOLS", "sym_tab", SymTabSource)
# LIBS section
for i in range(0xFFFF):
nameOption = "lib_name_%d" % i
blockOption = "lib_block_%d" % i
effOption = "lib_block_effective_%d" % i
if not p.has_option("LIBS", nameOption):
break
try:
libName = base64ToStr(p.get("LIBS", nameOption))
except ValueError as e:
continue
block = p.get("LIBS", blockOption).upper().strip()
effBlock = p.getint("LIBS", effOption)
try:
if block.startswith("FC"):
entryType = AwlLibEntrySelection.TYPE_FC
entryIndex = int(block[2:].strip())
elif block.startswith("FB"):
entryType = AwlLibEntrySelection.TYPE_FB
entryIndex = int(block[2:].strip())
elif block.startswith("UNKNOWN"):
entryType = AwlLibEntrySelection.TYPE_UNKNOWN
entryIndex = int(block[7:].strip())
else:
raise ValueError
if entryIndex < -1 or entryIndex > 0xFFFF:
raise ValueError
except ValueError:
raise AwlSimError("Project file: Invalid "
"library block: %s" % block)
libSelections.append(
AwlLibEntrySelection(libName = libName,
entryType = entryType,
entryIndex = entryIndex,
effectiveEntryIndex = effBlock)
)
# CORE_LINK section
if p.has_option("CORE_LINK", "spawn_local"):
linkSettings.setSpawnLocalEn(
p.getboolean("CORE_LINK", "spawn_local"))
if p.has_option("CORE_LINK", "spawn_local_port_range"):
pRange = p.get("CORE_LINK", "spawn_local_port_range")
try:
pRange = pRange.split(":")
begin = int(pRange[0])
end = int(pRange[1])
if end < begin:
raise ValueError
pRange = range(begin, end + 1)
except (IndexError, ValueError) as e:
raise AwlSimError("Project file: Invalid port range")
linkSettings.setSpawnLocalPortRange(pRange)
if p.has_option("CORE_LINK", "spawn_local_interpreters"):
interp = p.get("CORE_LINK", "spawn_local_interpreters")
try:
interp = base64ToStr(interp)
except ValueError as e:
raise AwlSimError("Project file: "
"Invalid interpreter list")
linkSettings.setSpawnLocalInterpreters(interp)
if p.has_option("CORE_LINK", "connect_host"):
host = p.get("CORE_LINK", "connect_host")
try:
host = base64ToStr(host)
except ValueError as e:
raise AwlSimError("Project file: "
"Invalid host name")
linkSettings.setConnectHost(host)
if p.has_option("CORE_LINK", "connect_port"):
port = p.getint("CORE_LINK", "connect_port")
linkSettings.setConnectPort(port)
if p.has_option("CORE_LINK", "connect_timeout_ms"):
timeout = p.getint("CORE_LINK", "connect_timeout_ms")
linkSettings.setConnectTimeoutMs(timeout)
if p.has_option("CORE_LINK", "tunnel"):
tunnel = p.getint("CORE_LINK", "tunnel")
linkSettings.setTunnel(tunnel)
if p.has_option("CORE_LINK", "tunnel_local_port"):
tunnelLocalPort = p.getint("CORE_LINK", "tunnel_local_port")
linkSettings.setTunnelLocalPort(tunnelLocalPort)
if p.has_option("CORE_LINK", "ssh_user"):
sshUser = p.get("CORE_LINK", "ssh_user")
try:
sshUser = base64ToStr(sshUser)
except ValueError as e:
raise AwlSimError("Project file: "
"Invalid ssh_user")
linkSettings.setSSHUser(sshUser)
if p.has_option("CORE_LINK", "ssh_port"):
sshPort = p.getint("CORE_LINK", "ssh_port")
linkSettings.setSSHPort(sshPort)
if p.has_option("CORE_LINK", "ssh_executable"):
sshExecutable = p.get("CORE_LINK", "ssh_executable")
try:
sshExecutable = base64ToStr(sshExecutable)
except ValueError as e:
raise AwlSimError("Project file: "
"Invalid ssh_executable")
linkSettings.setSSHExecutable(sshExecutable)
# HWMODS section
for i in range(0xFFFF):
nameOption = "loaded_mod_%d" % i
if not p.has_option("HWMODS", nameOption):
break
modName = base64ToStr(p.get("HWMODS", nameOption))
modDesc = HwmodDescriptor(modName)
for j in range(0x3FF):
paramOption = "loaded_mod_%d_p%d" % (i, j)
if not p.has_option("HWMODS", paramOption):
break
param = p.get("HWMODS", paramOption)
try:
param = param.split(":")
if len(param) != 2:
raise ValueError
paramName = base64ToStr(param[0])
if param[1].strip():
paramValue = base64ToStr(param[1])
else:
paramValue = None
except ValueError:
raise AwlSimError("Project file: "
"Invalid hw mod parameter")
modDesc.addParameter(paramName, paramValue)
hwmodSettings.addLoadedModule(modDesc)
# GUI section
if p.has_option("GUI", "editor_autoindent"):
guiSettings.setEditorAutoIndentEn(
p.getboolean("GUI", "editor_autoindent"))
if p.has_option("GUI", "editor_paste_autoindent"):
guiSettings.setEditorPasteIndentEn(
p.getboolean("GUI", "editor_paste_autoindent"))
if p.has_option("GUI", "editor_validation"):
guiSettings.setEditorValidationEn(
p.getboolean("GUI", "editor_validation"))
if p.has_option("GUI", "editor_font"):
guiSettings.setEditorFont(p.get("GUI", "editor_font").strip())
except _ConfigParserError as e:
raise AwlSimError("Project parser error: " + str(e))
return projectClass(projectFile = projectFile,
createDate = createDate,
modifyDate = modifyDate,
awlSources = awlSources,
fupSources = fupSources,
kopSources = kopSources,
symTabSources = symTabSources,
libSelections = libSelections,
cpuSpecs = specs,
cpuConf = conf,
guiSettings = guiSettings,
coreLinkSettings = linkSettings,
hwmodSettings = hwmodSettings)
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