126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
"""
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Copyright 2017 Oliver Smith
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This file is part of pmbootstrap.
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pmbootstrap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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pmbootstrap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
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"""
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import pmb.config
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def replace_variables(apkbuild):
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"""
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Replace a hardcoded list of variables inside the APKBUILD.
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"""
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ret = apkbuild
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# _flavor: ${_device} (lineageos kernel packages)
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ret["_flavor"] = ret["_flavor"].replace("${_device}",
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ret["_device"])
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# pkgname: $_flavor
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ret["pkgname"] = ret["pkgname"].replace("${_flavor}", ret["_flavor"])
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# subpackages: $pkgname
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replaced = []
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for subpackage in ret["subpackages"]:
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replaced.append(subpackage.replace("$pkgname", ret["pkgname"]))
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ret["subpackages"] = replaced
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# makedepends: $makedepends_host, $makedepends_build, $_llvmver
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replaced = []
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for makedepend in ret["makedepends"]:
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if makedepend.startswith("$"):
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key = makedepend[1:]
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if key in ret:
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replaced += ret[key]
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else:
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raise RuntimeError("Could not resolve variable " +
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makedepend + " in APKBUILD of " +
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apkbuild["pkgname"])
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else:
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# replace in the middle of the string
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for var in ["_llvmver"]:
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makedepend = makedepend.replace("$" + var, ret[var])
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replaced += [makedepend]
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ret["makedepends"] = replaced
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return ret
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def cut_off_function_names(apkbuild):
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"""
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For subpackages: only keep the subpackage name, without the internal
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function name, that tells how to build the subpackage.
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"""
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sub = apkbuild["subpackages"]
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for i in range(len(sub)):
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sub[i] = sub[i].split(":", 1)[0]
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apkbuild["subpackages"] = sub
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return apkbuild
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def apkbuild(path):
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"""
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Parse relevant information out of the APKBUILD file. This is not meant
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to be perfect and catch every edge case (for that, a full shell parser
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would be necessary!). Instead, it should just work with the use-cases
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covered by pmbootstrap and not take too long.
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:param path: Full path to the APKBUILD
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:returns: Relevant variables from the APKBUILD. Arrays get returned as
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arrays.
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"""
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with open(path, encoding="utf-8") as handle:
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lines = handle.readlines()
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# Parse all attributes from the config
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ret = {}
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for i in range(len(lines)):
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for attribute, options in pmb.config.apkbuild_attributes.items():
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if not lines[i].startswith(attribute + "="):
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continue
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# Extend the line value until we reach the ending quote sign
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line_value = lines[i][len(attribute + "="):-1]
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end_char = None
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if line_value.startswith("\""):
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end_char = "\""
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value = ""
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while i < len(lines) - 1:
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value += line_value.replace("\"", "").strip()
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if not end_char or line_value.endswith(end_char):
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break
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value += " "
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i += 1
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line_value = lines[i][:-1]
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# Split up arrays, delete empty strings inside the list
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if options["array"]:
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if value:
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value = list(filter(None, value.split(" ")))
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else:
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value = []
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ret[attribute] = value
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# Add missing entries
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for attribute, options in pmb.config.apkbuild_attributes.items():
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if attribute not in ret:
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if options["array"]:
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ret[attribute] = []
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else:
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ret[attribute] = ""
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ret = replace_variables(ret)
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ret = cut_off_function_names(ret)
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return ret
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