Created tool to access the online wrap database.

wraptool.py

@@ -0,0 +1,156 @@
+#!/usr/bin/env python3
+
+# Copyright 2015 The Meson development team
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import urllib.request, json
+import sys, os
+import configparser
+import shutil
+
+API_ROOT = 'http://wrapdb.mesonbuild.com/v1/'
+
+def print_help():
+    print("Help here")
+
+def get_result(urlstring):
+    u = urllib.request.urlopen(urlstring)
+    data = u.read().decode('utf-8')
+    jd = json.loads(data)
+    if jd['output'] != 'ok':
+        print('Got bad output from server.')
+        print(data)
+        sys.exit(1)
+    return jd
+
+def get_projectlist():
+    jd = get_result(API_ROOT + 'projects')
+    projects = jd['projects']
+    return projects
+
+def list_projects():
+    projects = get_projectlist()
+    for p in projects:
+        print(p)
+
+def search(name):
+    # FIXME, add search to server side
+    projects = get_projectlist()
+    for p in projects:
+        if name in p:
+            print(p)
+
+def get_latest_version(name):
+    # FIXME, use server's newest logic once it is working.
+    jd = get_result(API_ROOT + 'query/get_latest/' + name)
+    branch = jd['branch']
+    revision = jd['revision']
+    return (branch, revision)
+
+def install(name):
+    if not os.path.isdir('subprojects'):
+        print('Subprojects dir not found. Run this script in your source root directory.')
+        sys.exit(1)
+    if os.path.isdir(os.path.join('subprojects', name)):
+        print('Subproject directory already exists.')
+        sys.exit(1)
+    wrapfile = os.path.join('subprojects', name + '.wrap')
+    if os.path.exists(wrapfile):
+        print('Wrap file already exists.')
+        sys.exit(1)
+    (brach, revision) = get_latest_version(name)
+    u = urllib.request.urlopen(API_ROOT + 'projects/%s/%s/%s/get_wrap' % (name, branch, revision))
+    data = u.read()
+    open(wrapfile, 'wb').write(data)
+    print('Installed', name, 'branch', branch, 'revision', revision)
+
+def get_current_version(wrapfile):
+    cp = configparser.ConfigParser()
+    cp.read(wrapfile)
+    cp = cp['wrap-file']
+    patch_url = cp['patch_url']
+    arr = patch_url.split('/')
+    branch = arr[-3]
+    revision = int(arr[-2])
+    return (branch, revision, cp['directory'], cp['source_filename'], cp['patch_filename'])
+
+def update(name):
+    if not os.path.isdir('subprojects'):
+        print('Subprojects dir not found. Run this command in your source root directory.')
+        sys.exit(1)
+    wrapfile = os.path.join('subprojects', name + '.wrap')
+    if not os.path.exists(wrapfile):
+        print('Project', name, 'is not in use.')
+        sys.exit(1)
+    (branch, revision, subdir, src_file, patch_file) = get_current_version(wrapfile)
+    (new_branch, new_revision) = get_latest_version(name)
+    if new_branch == branch and new_revision == revision:
+        print('Project', name, 'is already up to date.')
+        sys.exit(0)
+    u = urllib.request.urlopen(API_ROOT + 'projects/%s/%s/%d/get_wrap' % (name, new_branch, new_revision))
+    data = u.read()
+    shutil.rmtree(os.path.join('subprojects', subdir), ignore_errors=True)
+    try:
+        os.unlink(os.path.join('subprojects/packagecache', src_file))
+    except FileNotFoundError:
+        pass
+    try:
+        os.unlink(os.path.join('subprojects/packagecache', patch_file))
+    except FileNotFoundError:
+        pass
+    open(wrapfile, 'wb').write(data)
+    print('Updated', name, 'to branch', new_branch, 'revision', new_revision)
+
+def info(name):
+    jd = get_result(API_ROOT + 'projects/' + name)
+    versions = jd['versions']
+    if len(versions) == 0:
+        print('No available versions of', name)
+        sys.exit(0)
+    print('Available versions of %s:' % name)
+    for v in versions:
+        print(' ', v['branch'], v['revision'])
+
+if __name__ == '__main__':
+    if len(sys.argv) < 2 or sys.argv[1] == '-h' or sys.argv[1] == '--help':
+        print_help()
+        sys.exit(0)
+    command = sys.argv[1]
+    args = sys.argv[2:]
+    if command == 'list':
+        list_projects()
+    elif command == 'search':
+        if len(args) != 1:
+            print('Search requires exactly one argument.')
+            sys.exit(1)
+        search(args[0])
+    elif command == 'install':
+        if len(args) != 1:
+            print('Install requires exactly one argument.')
+            sys.exit(1)
+        install(args[0])
+    elif command == 'update':
+        if len(args) != 1:
+            print('update requires exactly one argument.')
+            sys.exit(1)
+        update(args[0])
+    elif command == 'info':
+        if len(args) != 1:
+            print('info requires exactly one argument.')
+            sys.exit(1)
+        info(args[0])
+    else:
+        print('Unknown command', command)
+        sys.exit(1)
+