Skeleton of model repository loader

interlis/java_exec.py

@@ -0,0 +1,27 @@
+import subprocess
+
+
+def run_shell_cmd(args, progress):
+    if is_windows():
+        command = ["cmd.exe", "/C ", '"' + args[0] + '"'] + args[1:]
+    else:
+        command = args
+    fused_command = ' '.join(command)  # java doesn't find quoted file on Win with: ''.join(['"%s" ' % c for c in command])
+    proc = subprocess.Popen(fused_command, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True).stdout
+
+
+def is_windows():
+    return False  # TODO
+
+
+def java_exec():
+    if is_windows():
+        java = "java.exe"
+    else:
+        java = "java"
+    return java
+
+
+def run_java(jar, args, progress):
+    args = [java_exec(), "-jar", jar] + args
+    run_shell_cmd(args, progress)

interlis/model_loader.py

@@ -0,0 +1,91 @@
+from java_exec import run_java
+
+class ModelLoader:
+    def __init__(self, fn):
+        self.fn = fn
+        self.model = None
+
+    def detect_format(self):
+        # char        szHeader[1000];
+        #
+        # Ili1:
+        # int nLen = (int)VSIFRead( szHeader, 1, sizeof(szHeader), fp );
+        # if (nLen == sizeof(szHeader))
+        #     szHeader[sizeof(szHeader)-1] = '\0';
+        # else
+        #     szHeader[nLen] = '\0';
+        #
+        # if( strstr(szHeader,"SCNT") == NULL )
+        # {
+        #     VSIFClose( fp );
+        #     return FALSE;
+        # }
+
+        # Ili2:
+        # int nLen = (int)VSIFRead( szHeader, 1, sizeof(szHeader), fp );
+        # if (nLen == sizeof(szHeader))
+        #     szHeader[sizeof(szHeader)-1] = '\0';
+        # else
+        #     szHeader[nLen] = '\0';
+        #
+        # if( szHeader[0] != '<'
+        #     || strstr(szHeader,"interlis.ch/INTERLIS2") == NULL )
+        # { // "www.interlis.ch/INTERLIS2.2"
+        #     VSIFClose( fp );
+        #     CSLDestroy( filenames );
+        #     return FALSE;
+        # }
+        return 'Interlis 2'
+
+    def detect_model(self):
+        self.model = None
+        fmt = self.detect_format(self.fn)
+        if fmt == 'Interlis 1':
+            #Search for MODL xxx
+            self.model = 'xxx'
+        elif fmt == 'Interlis 2':
+            #Search for <MODEL NAME="xxx"
+            self.model = 'xxx'
+        return self.model
+
+    def load_model(self):
+        #Load model from model repository
+        #http://www.interlis.ch/models/ModelRepository.pdf
+        return None
+
+    def load_ilismeta_model(self):
+        #Call ilismeta service api with URL of ili model
+        return None
+
+    def convert_model(self):
+        ili2c_jar = 'ili2c.jar'
+        ili = self.model + '.ili'
+        imd = self.model + '.imd'
+
+        #ili2c USAGE
+        #  ili2c [Options] file1.ili file2.ili ...
+        #
+        #OPTIONS
+        #
+        #--no-auto             don't look automatically after required models.
+        #-o0                   Generate no output (default).
+        #-o1                   Generate INTERLIS-1 output.
+        #-o2                   Generate INTERLIS-2 output.
+        #-oXSD                 Generate an XML-Schema.
+        #-oFMT                 Generate an INTERLIS-1 Format.
+        #-oIMD                 Generate Model as IlisMeta INTERLIS-Transfer (XTF).
+        #-oIOM                 (deprecated) Generate Model as INTERLIS-Transfer (XTF).
+        #--out file/dir        file or folder for output.
+        #--ilidirs %ILI_DIR;http://models.interlis.ch/;%JAR_DIR list of directories with ili-files.
+        #--proxy host          proxy server to access model repositories.
+        #--proxyPort port      proxy port to access model repositories.
+        #--with-predefined     Include the predefined MODEL INTERLIS in
+        #                      the output. Usually, this is omitted.
+        #--without-warnings    Report only errors, no warnings. Usually,
+        #                      warnings are generated as well.
+        #--trace               Display detailed trace messages.
+        #--quiet               Suppress info messages.
+        #-h|--help             Display this help text.
+        #-u|--usage            Display short information about usage.
+        #-v|--version          Display the version of ili2c.
+        run_java(ili2c_jar, ["-oIMD", "--out", imd, ili])