mirror of
https://github.com/kovidgoyal/calibre.git
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79 lines
2.7 KiB
Python
Executable File
79 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python
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# License: GPL v3 Copyright: 2019, Eli Schwartz <eschwartz@archlinux.org>
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import os
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import shutil
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import tarfile
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import time
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from io import BytesIO
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from setup import Command, download_securely, is_ci
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class ReVendor(Command):
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# NAME = TAR_NAME = VERSION = DOWNLOAD_URL = ''
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CAN_USE_SYSTEM_VERSION = True
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def add_options(self, parser):
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parser.add_option('--path-to-%s' % self.NAME, help='Path to the extracted %s source' % self.TAR_NAME)
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parser.add_option('--%s-url' % self.NAME, default=self.DOWNLOAD_URL,
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help='URL to %s source archive in tar.gz format' % self.TAR_NAME)
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if self.CAN_USE_SYSTEM_VERSION:
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parser.add_option('--system-%s' % self.NAME, default=False, action='store_true',
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help='Treat %s as system copy and symlink instead of copy' % self.TAR_NAME)
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def download_securely(self, url: str) -> bytes:
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num = 5 if is_ci else 1
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for i in range(num):
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try:
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return download_securely(url)
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except Exception as err:
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if i == num - 1:
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raise
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self.info(f'Download failed with error "{err}" sleeping and retrying...')
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time.sleep(2)
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def download_vendor_release(self, tdir, url):
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self.info('Downloading %s:' % self.TAR_NAME, url)
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raw = self.download_securely(url)
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with tarfile.open(fileobj=BytesIO(raw)) as tf:
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tf.extractall(tdir)
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if len(os.listdir(tdir)) == 1:
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return self.j(tdir, os.listdir(tdir)[0])
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else:
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return tdir
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def add_file_pre(self, name, raw):
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pass
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def add_file(self, path, name):
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with open(path, 'rb') as f:
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raw = f.read()
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self.add_file_pre(name, raw)
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dest = self.j(self.vendored_dir, *name.split('/'))
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base = os.path.dirname(dest)
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if not os.path.exists(base):
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os.makedirs(base)
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if self.use_symlinks:
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os.symlink(path, dest)
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else:
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with open(dest, 'wb') as f:
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f.write(raw)
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def add_tree(self, base, prefix, ignore=lambda n:False):
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for dirpath, dirnames, filenames in os.walk(base):
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for fname in filenames:
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f = os.path.join(dirpath, fname)
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name = prefix + '/' + os.path.relpath(f, base).replace(os.sep, '/')
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if not ignore(name):
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self.add_file(f, name)
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@property
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def vendored_dir(self):
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return self.j(self.RESOURCES, self.NAME)
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def clean(self):
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if os.path.exists(self.vendored_dir):
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shutil.rmtree(self.vendored_dir)
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