Exemplo n.º 1
0
    def install(
            self,
            requirements,
            ctx=None,
            wheel_installer=None,
            resolve=_nullop,
            reject=_nullop
    ):
        try:
            if ctx is None:
                ctx = {'extra': None}

            if wheel_installer is None:
                wheel_installer = _RawWheelInstaller()

            complete_ctx = dict(markers.DEFAULT_CONTEXT)
            complete_ctx.update(ctx)

            if isinstance(requirements, str):
                requirements = [requirements]

            transaction = {
                'wheels': [],
                'pyodide_packages': set(),
                'locked': dict(self.installed_packages)
            }
            for requirement in requirements:
                self.add_requirement(requirement, complete_ctx, transaction)
        except Exception as e:
            reject(str(e))

        resolve_count = [len(transaction['wheels'])]

        def do_resolve(*args):
            resolve_count[0] -= 1
            if resolve_count[0] == 0:
                resolve(
                    f'Installed {", ".join(self.installed_packages.keys())}'
                )

        # Install built-in packages
        pyodide_packages = transaction['pyodide_packages']
        if len(pyodide_packages):
            resolve_count[0] += 1
            self.installed_packages.update(
                dict((k, None) for k in pyodide_packages)
            )
            js_pyodide.loadPackage(
                list(pyodide_packages)
            ).then(do_resolve)

        # Now install PyPI packages
        for name, wheel, ver in transaction['wheels']:
            wheel_installer(name, wheel, do_resolve, reject)
            self.installed_packages[name] = ver
Exemplo n.º 2
0
    def install(
        self,
        requirements: Union[str, List[str]],
        ctx=None,
        resolve=_nullop,
        reject=_nullop,
    ):
        try:
            if ctx is None:
                ctx = {"extra": None}

            complete_ctx = dict(markers.DEFAULT_CONTEXT)
            complete_ctx.update(ctx)

            if isinstance(requirements, str):
                requirements = [requirements]

            transaction: Dict[str, Any] = {
                "wheels": [],
                "pyodide_packages": set(),
                "locked": dict(self.installed_packages),
            }
            for requirement in requirements:
                self.add_requirement(requirement, complete_ctx, transaction)
        except Exception as e:
            reject(str(e))

        resolve_count = [len(transaction["wheels"])]

        def do_resolve(*args):
            resolve_count[0] -= 1
            if resolve_count[0] == 0:
                resolve(
                    f'Installed {", ".join(self.installed_packages.keys())}')

        # Install built-in packages
        pyodide_packages = transaction["pyodide_packages"]
        if len(pyodide_packages):
            resolve_count[0] += 1
            self.installed_packages.update(
                dict((k, None) for k in pyodide_packages))
            js_pyodide.loadPackage(list(pyodide_packages)).then(do_resolve)

        # Now install PyPI packages
        for name, wheel, ver in transaction["wheels"]:
            _install_wheel(name, wheel, do_resolve, reject)
            self.installed_packages[name] = ver
Exemplo n.º 3
0
    async def install(self, requirements: Union[str, List[str]], ctx=None):
        if ctx is None:
            ctx = {"extra": None}

        complete_ctx = dict(markers.DEFAULT_CONTEXT)
        complete_ctx.update(ctx)

        if isinstance(requirements, str):
            requirements = [requirements]

        transaction: Dict[str, Any] = {
            "wheels": [],
            "pyodide_packages": set(),
            "locked": dict(self.installed_packages),
        }
        requirement_promises = []
        for requirement in requirements:
            requirement_promises.append(
                self.add_requirement(requirement, complete_ctx, transaction))

        await gather(*requirement_promises)

        wheel_promises = []

        # Install built-in packages
        pyodide_packages = transaction["pyodide_packages"]
        if len(pyodide_packages):
            # Note: branch never happens in out-of-browser testing because we
            # report that all dependencies are empty.
            self.installed_packages.update(
                dict((k, None) for k in pyodide_packages))
            wheel_promises.append(
                js_pyodide.loadPackage(list(pyodide_packages)))

        # Now install PyPI packages
        for name, wheel, ver in transaction["wheels"]:
            wheel_promises.append(_install_wheel(name, wheel))
            self.installed_packages[name] = ver
        await gather(*wheel_promises)
        return f'Installed {", ".join(self.installed_packages.keys())}'