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1#!/usr/bin/env python3
2#
3# Copyright 2019 - The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17"""ide_common_util
18
19This module has a collection of helper functions of the ide_util module.
20"""
21
22import fnmatch
23import glob
24import logging
25import os
26import subprocess
27
28from aidegen import constant
29
30_IDEA_FOLDER = '.idea'
31_IML_EXTENSION = '.iml'
32
33
34def get_script_from_internal_path(ide_paths, ide_name):
35    """Get the studio.sh script path from internal path.
36
37    Args:
38        ide_paths: A list of IDE installed paths to be checked.
39        ide_name: The IDE name.
40
41    Returns:
42        The list of the full path of IDE or None if the IDE doesn't exist.
43    """
44    for ide_path in ide_paths:
45        ls_output = glob.glob(ide_path, recursive=True)
46        ls_output = sorted(ls_output)
47        if ls_output:
48            logging.debug('The script%s for %s %s found.',
49                          's' if len(ls_output) > 1 else '', ide_name,
50                          'are' if len(ls_output) > 1 else 'is')
51            return ls_output
52    logging.error('There is not any script of %s found.', ide_name)
53    return None
54
55
56def _run_ide_sh(run_sh_cmd, project_path):
57    """Run IDE launching script with an IntelliJ project path as argument.
58
59    Args:
60        run_sh_cmd: The command to launch IDE.
61        project_path: The path of IntelliJ IDEA project content.
62    """
63    assert run_sh_cmd, 'No suitable IDE installed.'
64    logging.debug('Run command: "%s" to launch project.', run_sh_cmd)
65    try:
66        subprocess.check_call(run_sh_cmd, shell=True)
67    except subprocess.CalledProcessError as err:
68        logging.error('Launch project path %s failed with error: %s.',
69                      project_path, err)
70
71
72def _walk_tree_find_ide_exe_file(top, ide_script_name):
73    """Recursively descend the directory tree rooted at top and filter out the
74       IDE executable script we need.
75
76    Args:
77        top: the tree root to be checked.
78        ide_script_name: IDE file name such i.e. IdeIntelliJ._INTELLIJ_EXE_FILE.
79
80    Returns:
81        the IDE executable script file(s) found.
82    """
83    logging.info('Searching IDE script %s in path: %s.', ide_script_name, top)
84    for root, _, files in os.walk(top):
85        logging.debug('Search all files under %s to get %s, %s.', top, root,
86                      files)
87        for file_ in fnmatch.filter(files, ide_script_name):
88            exe_file = os.path.join(root, file_)
89            if os.access(exe_file, os.X_OK):
90                logging.debug('Use file name filter to find %s in path %s.',
91                              file_, exe_file)
92                yield exe_file
93
94
95def get_run_ide_cmd(sh_path, project_file):
96    """Get the command to launch IDE.
97
98    Args:
99        sh_path: The idea.sh path where IDE is installed.
100        project_file: The path of IntelliJ IDEA project file.
101
102    Returns:
103        A string: The IDE launching command.
104    """
105    # In command usage, the space ' ' should be '\ ' for correctness.
106    return ' '.join([
107        constant.NOHUP, sh_path.replace(' ', r'\ '), project_file,
108        constant.IGNORE_STD_OUT_ERR_CMD
109    ])
110
111
112def _get_scripts_from_file_path(input_path, ide_file_name):
113    """Get IDE executable script file from input file path.
114
115    Args:
116        input_path: the file path to be checked.
117        ide_file_name: the IDE executable script file name.
118
119    Returns:
120        A list of the IDE executable script path if exists otherwise None.
121    """
122    if os.path.basename(input_path).startswith(ide_file_name):
123        files_found = glob.glob(input_path)
124        if files_found:
125            return sorted(files_found)
126    return None
127
128
129def get_scripts_from_dir_path(input_path, ide_file_name):
130    """Get an IDE executable script file from input directory path.
131
132    Args:
133        input_path: the directory to be searched.
134        ide_file_name: the IDE executable script file name.
135
136    Returns:
137        A list of an IDE executable script paths if exist otherwise None.
138    """
139    logging.debug('Call get_scripts_from_dir_path with %s, and %s', input_path,
140                  ide_file_name)
141    files_found = list(_walk_tree_find_ide_exe_file(input_path,
142                                                    ide_file_name + '*'))
143    if files_found:
144        return sorted(files_found)
145    return None
146
147
148def launch_ide(project_path, run_ide_cmd, ide_name):
149    """Launches relative IDE by opening the passed project file.
150
151    Args:
152        project_path: The full path of the IDE project content.
153        run_ide_cmd: The command to launch IDE.
154        ide_name: the IDE name is to be launched.
155    """
156    assert project_path, 'Empty content path is not allowed.'
157    if ide_name == constant.IDE_ECLIPSE:
158        logging.info(
159            'Launch %s with workspace: %s.', ide_name, constant.ECLIPSE_WS)
160    else:
161        logging.info('Launch %s for project content path: %s.', ide_name,
162                     project_path)
163    _run_ide_sh(run_ide_cmd, project_path)
164
165
166def is_intellij_project(project_path):
167    """Checks if the path passed in is an IntelliJ project content.
168
169    Args:
170        project_path: The full path of IDEA project content, which contains
171        .idea folder and .iml file(s).
172
173    Returns:
174        True if project_path is an IntelliJ project, False otherwise.
175    """
176    if not os.path.isfile(project_path):
177        return os.path.isdir(project_path) and os.path.isdir(
178            os.path.join(project_path, _IDEA_FOLDER))
179
180    _, ext = os.path.splitext(os.path.basename(project_path))
181    if ext and _IML_EXTENSION == ext.lower():
182        path = os.path.dirname(project_path)
183        logging.debug('Extracted path is: %s.', path)
184        return os.path.isdir(os.path.join(path, _IDEA_FOLDER))
185    return False
186
187
188def get_script_from_input_path(input_path, ide_file_name):
189    """Get correct IntelliJ executable script path from input path.
190
191    1. If input_path is a file, check if it is an IDE executable script file.
192    2. It input_path is a directory, search if it contains IDE executable script
193       file(s).
194
195    Args:
196        input_path: input path to be checked if it's an IDE executable
197                    script.
198        ide_file_name: the IDE executable script file name.
199
200    Returns:
201        IDE executable file(s) if exists otherwise None.
202    """
203    if not input_path:
204        return None
205    ide_path = []
206    if os.path.isfile(input_path):
207        ide_path = _get_scripts_from_file_path(input_path, ide_file_name)
208    if os.path.isdir(input_path):
209        ide_path = get_scripts_from_dir_path(input_path, ide_file_name)
210    if ide_path:
211        logging.debug('IDE installed path from user input: %s.', ide_path)
212        return ide_path
213    return None
214
215
216def get_intellij_version_path(version_path):
217    """Locates the IntelliJ IDEA launch script path by version.
218
219    Args:
220        version_path: IntelliJ CE or UE version launch script path.
221
222    Returns:
223        A list of the sh full paths, or None if no such IntelliJ version is
224        installed.
225    """
226    ls_output = glob.glob(version_path, recursive=True)
227    if not ls_output:
228        return None
229    ls_output = sorted(ls_output, reverse=True)
230    logging.debug('Result for checking IntelliJ path %s after sorting:%s.',
231                  version_path, ls_output)
232    return ls_output
233
234
235def ask_preference(all_versions, ide_name):
236    """Ask users which version they prefer.
237
238    Args:
239        all_versions: A list of all CE and UE version launch script paths.
240        ide_name: The IDE name is going to be launched.
241
242    Returns:
243        An users selected version.
244    """
245    options = []
246    for i, sfile in enumerate(all_versions, 1):
247        options.append('\t{}. {}'.format(i, sfile))
248    query = ('You installed {} versions of {}:\n{}\nPlease select '
249             'one.\t').format(len(all_versions), ide_name, '\n'.join(options))
250    return _select_intellij_version(query, all_versions)
251
252
253def _select_intellij_version(query, all_versions):
254    """Select one from different IntelliJ versions users installed.
255
256    Args:
257        query: The query message.
258        all_versions: A list of all CE and UE version launch script paths.
259    """
260    all_numbers = []
261    for i in range(len(all_versions)):
262        all_numbers.append(str(i + 1))
263    input_data = input(query)
264    while input_data not in all_numbers:
265        input_data = input('Please select a number:\t')
266    return all_versions[int(input_data) - 1]
267