Grammalecte  Check-in [36a7c21300]

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Overview
Comment:[build] darg: code cleaning (pylint)
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SHA3-256:36a7c2130010729c9433a22af4a6b548ccb3300599d7de53fd54ee775f8494be
User & Date: olr 2019-05-11 10:07:45
Context
2019-05-11
10:17
[cli] code cleaning (pylint) check-in: d792e0b938 user: olr tags: cli, trunk
10:07
[build] darg: code cleaning (pylint) check-in: 36a7c21300 user: olr tags: build, trunk
09:33
[fx] gc panel: message panel adjustments check-in: a5675dcdb7 user: olr tags: fx, trunk
Changes

Changes to darg.py.

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RULE GRAPH BUILDER
"""

# by Olivier R.
# License: MPL 2

import re
import traceback



class DARG:
    """DIRECT ACYCLIC RULE GRAPH"""
    # This code is inspired from Steve Hanov’s DAWG, 2011. (http://stevehanov.ca/blog/index.php?id=115)

    def __init__ (self, lRule, sLangCode):
................................................................................
            nCommonPrefix += 1

        # Check the lUncheckedNodes for redundant nodes, proceeding from last
        # one down to the common prefix size. Then truncate the list at that point.
        self._minimize(nCommonPrefix)

        # add the suffix, starting from the correct node mid-way through the graph
        if len(self.lUncheckedNodes) == 0:
            oNode = self.oRoot
        else:
            oNode = self.lUncheckedNodes[-1][2]

        iToken = nCommonPrefix
        for sToken in aRule[nCommonPrefix:]:
            oNextNode = Node()
................................................................................
        dKeyTrans = {}
        for i, nKey in enumerate(dGraph):
            dKeyTrans[nKey] = i
        # replace keys
        dNewGraph = {}
        for nKey, dVal in dGraph.items():
            dNewGraph[dKeyTrans[nKey]] = dVal
        for nKey, dVal in dGraph.items():
            for sArc, val in dVal.items():
                if type(val) is int:
                    dVal[sArc] = dKeyTrans[val]
                else:
                    for sArc, nKey in val.items():
                        val[sArc] = dKeyTrans[nKey]
        return dNewGraph

    def _sortActions (self, dGraph):
        "when a pattern is found, several actions may be launched, and it must be performed in a certain order"
        for nKey, dVal in dGraph.items():
            if "<rules>" in dVal:
                for sLineId, nKey in dVal["<rules>"].items():
                    # we change the dictionary of actions in a list of actions (values of dictionary all points to the final node)
                    if isinstance(dGraph[nKey], dict):
                        dGraph[nKey] = sorted(dGraph[nKey].keys())

    def _checkRegexes (self, dGraph):
        "check validity of regexes"
        aRegex = set()
        for nKey, dVal in dGraph.items():
            if "<re_value>" in dVal:
                for sRegex in dVal["<re_value>"]:
                    if sRegex not in aRegex:
                        self._checkRegex(sRegex)
                        aRegex.add(sRegex)
            if "<re_morph>" in dVal:
                for sRegex in dVal["<re_morph>"]:
................................................................................
            sPattern, sNegPattern = sRegex.split("¬")
            try:
                if not sNegPattern:
                    print("# Warning! Empty negpattern:", sRegex)
                re.compile(sPattern)
                if sNegPattern != "*":
                    re.compile(sNegPattern)
            except:
                print("# Error. Wrong regex:", sRegex)
                exit()
        else:
            try:
                if not sRegex:
                    print("# Warning! Empty pattern:", sRegex)
                re.compile(sRegex)
            except:
                print("# Error. Wrong regex:", sRegex)
                exit()


class Node:
    """Node of the rule graph"""








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RULE GRAPH BUILDER
"""

# by Olivier R.
# License: MPL 2

import re




class DARG:
    """DIRECT ACYCLIC RULE GRAPH"""
    # This code is inspired from Steve Hanov’s DAWG, 2011. (http://stevehanov.ca/blog/index.php?id=115)

    def __init__ (self, lRule, sLangCode):
................................................................................
            nCommonPrefix += 1

        # Check the lUncheckedNodes for redundant nodes, proceeding from last
        # one down to the common prefix size. Then truncate the list at that point.
        self._minimize(nCommonPrefix)

        # add the suffix, starting from the correct node mid-way through the graph
        if not self.lUncheckedNodes:
            oNode = self.oRoot
        else:
            oNode = self.lUncheckedNodes[-1][2]

        iToken = nCommonPrefix
        for sToken in aRule[nCommonPrefix:]:
            oNextNode = Node()
................................................................................
        dKeyTrans = {}
        for i, nKey in enumerate(dGraph):
            dKeyTrans[nKey] = i
        # replace keys
        dNewGraph = {}
        for nKey, dVal in dGraph.items():
            dNewGraph[dKeyTrans[nKey]] = dVal
        for _, dVal in dGraph.items():
            for sArc, val in dVal.items():
                if isinstance(val, int):
                    dVal[sArc] = dKeyTrans[val]
                else:
                    for sArc2, nKey in val.items():
                        val[sArc2] = dKeyTrans[nKey]
        return dNewGraph

    def _sortActions (self, dGraph):
        "when a pattern is found, several actions may be launched, and it must be performed in a certain order"
        for _, dVal in dGraph.items():
            if "<rules>" in dVal:
                for _, nKey in dVal["<rules>"].items():
                    # we change the dictionary of actions in a list of actions (values of dictionary all points to the final node)
                    if isinstance(dGraph[nKey], dict):
                        dGraph[nKey] = sorted(dGraph[nKey].keys())

    def _checkRegexes (self, dGraph):
        "check validity of regexes"
        aRegex = set()
        for _, dVal in dGraph.items():
            if "<re_value>" in dVal:
                for sRegex in dVal["<re_value>"]:
                    if sRegex not in aRegex:
                        self._checkRegex(sRegex)
                        aRegex.add(sRegex)
            if "<re_morph>" in dVal:
                for sRegex in dVal["<re_morph>"]:
................................................................................
            sPattern, sNegPattern = sRegex.split("¬")
            try:
                if not sNegPattern:
                    print("# Warning! Empty negpattern:", sRegex)
                re.compile(sPattern)
                if sNegPattern != "*":
                    re.compile(sNegPattern)
            except re.error:
                print("# Error. Wrong regex:", sRegex)
                exit()
        else:
            try:
                if not sRegex:
                    print("# Warning! Empty pattern:", sRegex)
                re.compile(sRegex)
            except re.error:
                print("# Error. Wrong regex:", sRegex)
                exit()


class Node:
    """Node of the rule graph"""