Mercurial Repositories > eric / file comparison
comparison: Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardServer.py
Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardServer.py
- changeset 2747
- 68b920f307ff
- child 2748
- 3731148a7cdf
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| 2746:96dc4bcb6dc0 | 2747:68b920f307ff |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2013 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 import json | |
| 7 import sys | |
| 8 | |
| 9 def printerr(string): | |
| 10 sys.stderr.write(string) | |
| 11 sys.stderr.flush() | |
| 12 | |
| 13 def rxValidate(regexp, options): | |
| 14 """ | |
| 15 Function to validate the given regular expression. | |
| 16 | |
| 17 @param regexp regular expression to validate (string) | |
| 18 @param options list of options (list of string) | |
| 19 @return tuple of flag indicating validity (boolean), error | |
| 20 string (string) and error offset (integer) | |
| 21 """ | |
| 22 try: | |
| 23 from PyQt5.QtCore import QRegularExpression | |
| 24 rxOptions = QRegularExpression.NoPatternOption | |
| 25 if "CaseInsensitiveOption" in options: | |
| 26 rxOptions |= QRegularExpression.CaseInsensitiveOption | |
| 27 if "MultilineOption" in options: | |
| 28 rxOptions |= QRegularExpression.MultilineOption | |
| 29 if "DotMatchesEverythingOption" in options: | |
| 30 rxOptions |= QRegularExpression.DotMatchesEverythingOption | |
| 31 if "ExtendedPatternSyntaxOption" in options: | |
| 32 rxOptions |= QRegularExpression.ExtendedPatternSyntaxOption | |
| 33 if "InvertedGreedinessOption" in options: | |
| 34 rxOptions |= QRegularExpression.InvertedGreedinessOption | |
| 35 if "UseUnicodePropertiesOption" in options: | |
| 36 rxOptions |= QRegularExpression.UseUnicodePropertiesOption | |
| 37 if "DontCaptureOption" in options: | |
| 38 rxOptions |= QRegularExpression.DontCaptureOption | |
| 39 | |
| 40 error = "" | |
| 41 errorOffset = -1 | |
| 42 re = QRegularExpression(regexp, rxOptions) | |
| 43 valid = re.isValid() | |
| 44 if not valid: | |
| 45 error = re.errorString() | |
| 46 errorOffset = re.patternErrorOffset() | |
| 47 except ImportError: | |
| 48 valid = False | |
| 49 error = "ImportError" | |
| 50 errorOffset = 0 | |
| 51 | |
| 52 return valid, error, errorOffset | |
| 53 | |
| 54 | |
| 55 if __name__ == "__main__": | |
| 56 while True: | |
| 57 commandStr = sys.stdin.readline() | |
| 58 try: | |
| 59 commandDict = json.loads(commandStr) | |
| 60 responseDict = {"error": ""} | |
| 61 printerr(str(commandDict)) | |
| 62 if "command" in commandDict: | |
| 63 command = commandDict["command"] | |
| 64 if command == "exit": | |
| 65 break | |
| 66 elif command == "available": | |
| 67 try: | |
| 68 import PyQt5 # __IGNORE_WARNING__ | |
| 69 responseDict["available"] = True | |
| 70 except ImportError: | |
| 71 responseDict["available"] = False | |
| 72 elif command == "validate": | |
| 73 valid, error, errorOffset = rxValidate(commandDict["regexp"], | |
| 74 commandDict["options"]) | |
| 75 responseDict["valid"] = valid | |
| 76 responseDict["errorMessage"] = error | |
| 77 responseDict["errorOffset"] = errorOffset | |
| 78 except ValueError as err: | |
| 79 responseDict = {"error": str(err)} | |
| 80 except Exception as err: | |
| 81 responseDict = {"error": str(err)} | |
| 82 responseStr = json.dumps(responseDict) | |
| 83 sys.stdout.write(responseStr) | |
| 84 sys.stdout.flush() | |
| 85 | |
| 86 sys.exit(0) |
