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https://github.com/espressif/esp-idf.git
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118 lines
6.0 KiB
Python
Executable File
118 lines
6.0 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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import argparse
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import os
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import re
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import sys
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try:
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import pkg_resources
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except ImportError:
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print('pkg_resources cannot be imported. The most common cause is a missing pip or setuptools package. '
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'If you\'ve installed a custom Python then these packages are provided separately and have to be installed as well. '
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'Please refer to the Get Started section of the ESP-IDF Programming Guide for setting up the required packages.')
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sys.exit(1)
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try:
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from typing import Set
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except ImportError:
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# This is a script run during the early phase of setting up the environment. So try to avoid failure caused by
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# Python version incompatibility. The supported Python version is checked elsewhere.
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pass
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PYTHON_PACKAGE_RE = re.compile(r'[^<>=~]+')
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='ESP-IDF Python package dependency checker')
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parser.add_argument('--requirements', '-r',
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help='Path to a requirements file (can be used multiple times)',
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action='append', default=[])
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parser.add_argument('--constraints', '-c', default=[],
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help='Path to a constraints file (can be used multiple times)',
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action='append')
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args = parser.parse_args()
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required_set = set()
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for req_path in args.requirements:
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with open(req_path) as f:
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required_set |= set(i for i in map(str.strip, f.readlines()) if len(i) > 0 and not i.startswith('#'))
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constr_dict = {} # for example package_name -> package_name==1.0
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for const_path in args.constraints:
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with open(const_path) as f:
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for con in [i for i in map(str.strip, f.readlines()) if len(i) > 0 and not i.startswith('#')]:
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if con.startswith('file://'):
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con = os.path.basename(con)
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elif con.startswith('--only-binary'):
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continue
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elif con.startswith('-e') and '#egg=' in con: # version control URLs, take the egg= part at the end only
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con_m = re.search(r'#egg=([^\s]+)', con)
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if not con_m:
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print('Malformed input. Cannot find name in {}'.format(con))
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sys.exit(1)
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con = con_m[1]
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name_m = PYTHON_PACKAGE_RE.search(con)
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if not name_m:
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print('Malformed input. Cannot find name in {}'.format(con))
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sys.exit(1)
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constr_dict[name_m[0]] = con
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not_satisfied = [] # in string form which will be printed
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# already_checked set is used in order to avoid circular checks which would cause looping.
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already_checked = set() # type: Set[pkg_resources.Requirement]
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# required_set contains package names in string form without version constraints. If the package has a constraint
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# specification (package name + version requirement) then use that instead. new_req_list is used to store
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# requirements to be checked on each level of breath-first-search of the package dependency tree. The initial
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# version is the direct dependencies deduced from the requirements arguments of the script.
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new_req_list = [pkg_resources.Requirement.parse(constr_dict.get(i, i)) for i in required_set]
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while new_req_list:
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req_list = new_req_list
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new_req_list = []
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already_checked.update(req_list)
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for requirement in req_list: # check one level of the dependency tree
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try:
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dependency_requirements = set(pkg_resources.get_distribution(requirement).requires())
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# dependency_requirements are the direct dependencies of "requirement". They belong to the next level
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# of the dependency tree. They will be checked only if they haven't been already. Note that the
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# version is taken into account as well because packages can have different requirements for a given
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# Python package. The dependencies need to be checked for all of them because they can be different.
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new_req_list.extend(dependency_requirements - already_checked)
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except pkg_resources.ResolutionError as e:
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not_satisfied.append(' - '.join([str(requirement), str(e)]))
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except IndexError:
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# If the requirement is not installed because of a marker (requirement.marker), for example different
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# operating system or python version, then pkg_resources.get_distribution() will fail with IndexError.
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# We could avoid this by checking packaging.markers.Marker(requirement.marker).evaluate() but it would
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# add dependency on packaging.
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pass
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if len(not_satisfied) > 0:
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print('The following Python requirements are not satisfied:')
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print(os.linesep.join(not_satisfied))
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if 'IDF_PYTHON_ENV_PATH' in os.environ:
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# We are running inside a private virtual environment under IDF_TOOLS_PATH,
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# ask the user to run install.bat again.
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install_script = 'install.bat' if sys.platform == 'win32' else 'install.sh'
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print('To install the missing packages, please run "{}"'.format(install_script))
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else:
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print('Please follow the instructions found in the "Set up the tools" section of '
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'ESP-IDF Getting Started Guide.')
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print('Diagnostic information:')
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idf_python_env_path = os.environ.get('IDF_PYTHON_ENV_PATH')
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print(' IDF_PYTHON_ENV_PATH: {}'.format(idf_python_env_path or '(not set)'))
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print(' Python interpreter used: {}'.format(sys.executable))
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if not idf_python_env_path or idf_python_env_path not in sys.executable:
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print(' Warning: python interpreter not running from IDF_PYTHON_ENV_PATH')
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print(' PATH: {}'.format(os.getenv('PATH')))
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sys.exit(1)
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print('Python requirements are satisfied.')
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