Python pkg_resources.get_distribution方法代码示例

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def print_results(hits, name_column_width=None, terminal_width=None):
    if not hits:
        return
    if name_column_width is None:
        name_column_width = max([
            len(hit['name']) + len(hit.get('versions', ['-'])[-1])
            for hit in hits
        ]) + 4

    installed_packages = [p.project_name for p in pkg_resources.working_set]
    for hit in hits:
        name = hit['name']
        summary = hit['summary'] or ''
        version = hit.get('versions', ['-'])[-1]
        if terminal_width is not None:
            target_width = terminal_width - name_column_width - 5
            if target_width > 10:
                # wrap and indent summary to fit terminal
                summary = textwrap.wrap(summary, target_width)
                summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)

        line = '%-*s - %s' % (name_column_width,
                              '%s (%s)' % (name, version), summary)
        try:
            logger.info(line)
            if name in installed_packages:
                dist = pkg_resources.get_distribution(name)
                with indent_log():
                    latest = highest_version(hit['versions'])
                    if dist.version == latest:
                        logger.info('INSTALLED: %s (latest)', dist.version)
                    else:
                        logger.info('INSTALLED: %s', dist.version)
                        logger.info('LATEST:    %s', latest)
        except UnicodeEncodeError:
            pass 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def check_if_exists(self):
        """Find an installed distribution that satisfies or conflicts
        with this requirement, and set self.satisfied_by or
        self.conflicts_with appropriately.
        """
        if self.req is None:
            return False
        try:
            # get_distribution() will resolve the entire list of requirements
            # anyway, and we've already determined that we need the requirement
            # in question, so strip the marker so that we don't try to
            # evaluate it.
            no_marker = Requirement(str(self.req))
            no_marker.marker = None
            self.satisfied_by = pkg_resources.get_distribution(str(no_marker))
            if self.editable and self.satisfied_by:
                self.conflicts_with = self.satisfied_by
                # when installing editables, nothing pre-existing should ever
                # satisfy
                self.satisfied_by = None
                return True
        except pkg_resources.DistributionNotFound:
            return False
        except pkg_resources.VersionConflict:
            existing_dist = pkg_resources.get_distribution(
                self.req.name
            )
            if self.use_user_site:
                if dist_in_usersite(existing_dist):
                    self.conflicts_with = existing_dist
                elif (running_under_virtualenv() and
                        dist_in_site_packages(existing_dist)):
                    raise InstallationError(
                        "Will not install to the user site because it will "
                        "lack sys.path precedence to %s in %s" %
                        (existing_dist.project_name, existing_dist.location)
                    )
            else:
                self.conflicts_with = existing_dist
        return True 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def print_results(hits, name_column_width=None, terminal_width=None):
    if not hits:
        return
    if name_column_width is None:
        name_column_width = max([
            len(hit['name']) + len(hit.get('versions', ['-'])[-1])
            for hit in hits
        ]) + 4

    installed_packages = [p.project_name for p in pkg_resources.working_set]
    for hit in hits:
        name = hit['name']
        summary = hit['summary'] or ''
        version = hit.get('versions', ['-'])[-1]
        if terminal_width is not None:
            # wrap and indent summary to fit terminal
            summary = textwrap.wrap(
                summary,
                terminal_width - name_column_width - 5,
            )
            summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)

        line = '%-*s - %s' % (name_column_width,
                              '%s (%s)' % (name, version), summary)
        try:
            logger.info(line)
            if name in installed_packages:
                dist = pkg_resources.get_distribution(name)
                with indent_log():
                    latest = highest_version(hit['versions'])
                    if dist.version == latest:
                        logger.info('INSTALLED: %s (latest)', dist.version)
                    else:
                        logger.info('INSTALLED: %s', dist.version)
                        logger.info('LATEST:    %s', latest)
        except UnicodeEncodeError:
            pass 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def check_if_exists(self):
        """Find an installed distribution that satisfies or conflicts
        with this requirement, and set self.satisfied_by or
        self.conflicts_with appropriately.
        """
        if self.req is None:
            return False
        try:
            self.satisfied_by = pkg_resources.get_distribution(self.req)
        except pkg_resources.DistributionNotFound:
            return False
        except pkg_resources.VersionConflict:
            existing_dist = pkg_resources.get_distribution(
                self.req.project_name
            )
            if self.use_user_site:
                if dist_in_usersite(existing_dist):
                    self.conflicts_with = existing_dist
                elif (running_under_virtualenv() and
                        dist_in_site_packages(existing_dist)):
                    raise InstallationError(
                        "Will not install to the user site because it will "
                        "lack sys.path precedence to %s in %s" %
                        (existing_dist.project_name, existing_dist.location)
                    )
            else:
                self.conflicts_with = existing_dist
        return True 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def print_results(hits, name_column_width=None, terminal_width=None):
    if not hits:
        return
    if name_column_width is None:
        name_column_width = max([
            len(hit['name']) + len(highest_version(hit.get('versions', ['-'])))
            for hit in hits
        ]) + 4

    installed_packages = [p.project_name for p in pkg_resources.working_set]
    for hit in hits:
        name = hit['name']
        summary = hit['summary'] or ''
        latest = highest_version(hit.get('versions', ['-']))
        if terminal_width is not None:
            target_width = terminal_width - name_column_width - 5
            if target_width > 10:
                # wrap and indent summary to fit terminal
                summary = textwrap.wrap(summary, target_width)
                summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)

        line = '%-*s - %s' % (name_column_width,
                              '%s (%s)' % (name, latest), summary)
        try:
            logger.info(line)
            if name in installed_packages:
                dist = pkg_resources.get_distribution(name)
                with indent_log():
                    if dist.version == latest:
                        logger.info('INSTALLED: %s (latest)', dist.version)
                    else:
                        logger.info('INSTALLED: %s', dist.version)
                        logger.info('LATEST:    %s', latest)
        except UnicodeEncodeError:
            pass 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def check_if_exists(self, use_user_site):
        """Find an installed distribution that satisfies or conflicts
        with this requirement, and set self.satisfied_by or
        self.conflicts_with appropriately.
        """
        if self.req is None:
            return False
        try:
            # get_distribution() will resolve the entire list of requirements
            # anyway, and we've already determined that we need the requirement
            # in question, so strip the marker so that we don't try to
            # evaluate it.
            no_marker = Requirement(str(self.req))
            no_marker.marker = None
            self.satisfied_by = pkg_resources.get_distribution(str(no_marker))
            if self.editable and self.satisfied_by:
                self.conflicts_with = self.satisfied_by
                # when installing editables, nothing pre-existing should ever
                # satisfy
                self.satisfied_by = None
                return True
        except pkg_resources.DistributionNotFound:
            return False
        except pkg_resources.VersionConflict:
            existing_dist = pkg_resources.get_distribution(
                self.req.name
            )
            if use_user_site:
                if dist_in_usersite(existing_dist):
                    self.conflicts_with = existing_dist
                elif (running_under_virtualenv() and
                        dist_in_site_packages(existing_dist)):
                    raise InstallationError(
                        "Will not install to the user site because it will "
                        "lack sys.path precedence to %s in %s" %
                        (existing_dist.project_name, existing_dist.location)
                    )
            else:
                self.conflicts_with = existing_dist
        return True 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def check_if_exists(self):
        """Find an installed distribution that satisfies or conflicts
        with this requirement, and set self.satisfied_by or
        self.conflicts_with appropriately.
        """
        if self.req is None:
            return False
        try:
            # get_distribution() will resolve the entire list of requirements
            # anyway, and we've already determined that we need the requirement
            # in question, so strip the marker so that we don't try to
            # evaluate it.
            no_marker = Requirement(str(self.req))
            no_marker.marker = None
            self.satisfied_by = pkg_resources.get_distribution(str(no_marker))
        except pkg_resources.DistributionNotFound:
            return False
        except pkg_resources.VersionConflict:
            existing_dist = pkg_resources.get_distribution(
                self.req.name
            )
            if self.use_user_site:
                if dist_in_usersite(existing_dist):
                    self.conflicts_with = existing_dist
                elif (running_under_virtualenv() and
                        dist_in_site_packages(existing_dist)):
                    raise InstallationError(
                        "Will not install to the user site because it will "
                        "lack sys.path precedence to %s in %s" %
                        (existing_dist.project_name, existing_dist.location)
                    )
            else:
                self.conflicts_with = existing_dist
        return True 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def print_results(hits, name_column_width=25, terminal_width=None):
    installed_packages = [p.project_name for p in pkg_resources.working_set]
    for hit in hits:
        name = hit['name']
        summary = hit['summary'] or ''
        if terminal_width is not None:
            # wrap and indent summary to fit terminal
            summary = textwrap.wrap(summary, terminal_width - name_column_width - 5)
            summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)
        line = '%s - %s' % (name.ljust(name_column_width), summary)
        try:
            logger.notify(line)
            if name in installed_packages:
                dist = pkg_resources.get_distribution(name)
                logger.indent += 2
                try:
                    latest = highest_version(hit['versions'])
                    if dist.version == latest:
                        logger.notify('INSTALLED: %s (latest)' % dist.version)
                    else:
                        logger.notify('INSTALLED: %s' % dist.version)
                        logger.notify('LATEST:    %s' % latest)
                finally:
                    logger.indent -= 2
        except UnicodeEncodeError:
            pass 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def check_if_exists(self):
        """Find an installed distribution that satisfies or conflicts
        with this requirement, and set self.satisfied_by or
        self.conflicts_with appropriately."""

        if self.req is None:
            return False
        try:
            # DISTRIBUTE TO SETUPTOOLS UPGRADE HACK (1 of 3 parts)
            # if we've already set distribute as a conflict to setuptools
            # then this check has already run before.  we don't want it to
            # run again, and return False, since it would block the uninstall
            # TODO: remove this later
            if (self.req.project_name == 'setuptools'
                and self.conflicts_with
                and self.conflicts_with.project_name == 'distribute'):
                return True
            else:
                self.satisfied_by = pkg_resources.get_distribution(self.req)
        except pkg_resources.DistributionNotFound:
            return False
        except pkg_resources.VersionConflict:
            existing_dist = pkg_resources.get_distribution(self.req.project_name)
            if self.use_user_site:
                if dist_in_usersite(existing_dist):
                    self.conflicts_with = existing_dist
                elif running_under_virtualenv() and dist_in_site_packages(existing_dist):
                    raise InstallationError("Will not install to the user site because it will lack sys.path precedence to %s in %s"
                                            %(existing_dist.project_name, existing_dist.location))
            else:
                self.conflicts_with = existing_dist
        return True 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def was_installed_by_pip(pkg):
    # type: (str) -> bool
    """Checks whether pkg was installed by pip

    This is used not to display the upgrade message when pip is in fact
    installed by system package manager, such as dnf on Fedora.
    """
    try:
        dist = pkg_resources.get_distribution(pkg)
        return (dist.has_metadata('INSTALLER') and
                'pip' in dist.get_metadata_lines('INSTALLER'))
    except pkg_resources.DistributionNotFound:
        return False 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def print_results(hits, name_column_width=None, terminal_width=None):
    if not hits:
        return
    if name_column_width is None:
        name_column_width = max([
            len(hit['name']) + len(highest_version(hit.get('versions', ['-'])))
            for hit in hits
        ]) + 4

    installed_packages = [p.project_name for p in pkg_resources.working_set]
    for hit in hits:
        name = hit['name']
        summary = hit['summary'] or ''
        latest = highest_version(hit.get('versions', ['-']))
        if terminal_width is not None:
            target_width = terminal_width - name_column_width - 5
            if target_width > 10:
                # wrap and indent summary to fit terminal
                summary = textwrap.wrap(summary, target_width)
                summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)

        line = '%-*s - %s' % (name_column_width,
                              '%s (%s)' % (name, latest), summary)
        try:
            write_output(line)
            if name in installed_packages:
                dist = pkg_resources.get_distribution(name)
                with indent_log():
                    if dist.version == latest:
                        write_output('INSTALLED: %s (latest)', dist.version)
                    else:
                        write_output('INSTALLED: %s', dist.version)
                        if parse_version(latest).pre:
                            write_output('LATEST:    %s (pre-release; install'
                                         ' with "pip install --pre")', latest)
                        else:
                            write_output('LATEST:    %s', latest)
        except UnicodeEncodeError:
            pass 

# 需要导入模块: from pip._vendor import pkg_resources [as 别名]
# 或者: from pip._vendor.pkg_resources import get_distribution [as 别名]
def uninstall(self, auto_confirm=False, verbose=False):
        # type: (bool, bool) -> Optional[UninstallPathSet]
        """
        Uninstall the distribution currently satisfying this requirement.

        Prompts before removing or modifying files unless
        ``auto_confirm`` is True.

        Refuses to delete or modify files outside of ``sys.prefix`` -
        thus uninstallation within a virtual environment can only
        modify that virtual environment, even if the virtualenv is
        linked to global site-packages.

        """
        assert self.req
        try:
            dist = pkg_resources.get_distribution(self.req.name)
        except pkg_resources.DistributionNotFound:
            logger.warning("Skipping %s as it is not installed.", self.name)
            return None
        else:
            logger.info('Found existing installation: %s', dist)

        uninstalled_pathset = UninstallPathSet.from_dist(dist)
        uninstalled_pathset.remove(auto_confirm, verbose)
        return uninstalled_pathset