zip

Documentation

Overview

Package zip implements functions for jarcat that manipulate .zip files.

Index

• type File
  • func NewFile(output string, strict bool) *File
  • func (f *File) AddFiles(in string) error
  • func (f *File) AddInitPyFiles() error
  • func (f *File) AddManifest(mainClass string) error
  • func (f *File) AddZipFile(filepath string) error
  • func (f *File) Close()
  • func (f *File) HasExistingFile(name string) bool
  • func (f *File) StripBytecodeTimestamp(filename string, contents []byte) error
  • func (f *File) WriteDir(filename string) error
  • func (f *File) WriteFile(filename string, data []byte, mode os.FileMode) error
  • func (f *File) WritePreamble(preamble []byte) error

Types

type File

type File struct {

	// Include and Exclude are prefixes of filenames to include or exclude from the zipfile.
	Include, Exclude []string
	// Strict controls whether we deny duplicate files or not.
	// Zipfiles can readily contain duplicates, if this is true we reject them unless they are identical.
	// If false we allow duplicates and leave it to someone else to handle.
	Strict bool
	// RenameDirs is a map of directories to rename, from the old name to the new one.
	RenameDirs map[string]string
	// StripPrefix is a prefix that is stripped off any files added with AddFiles.
	StripPrefix string
	// Suffix is the suffix of files that we include while scanning.
	Suffix []string
	// ExcludeSuffix is a list of suffixes that are excluded from the file scan.
	ExcludeSuffix []string
	// StoreSuffix is a list of file suffixes that will be stored instead of deflated.
	StoreSuffix []string
	// IncludeOther will make the file scan include other files that are not part of a zip file.
	IncludeOther bool
	// AddInitPy will make the writer add __init__.py files to all directories that don't already have one on close.
	AddInitPy bool
	// DirEntries makes the writer add empty directory entries.
	DirEntries bool
	// Align aligns entries to a multiple of this many bytes.
	Align int
	// Prefix stores all files with this prefix.
	Prefix string
	// contains filtered or unexported fields
}

A File represents an output zipfile.

func NewFile

func NewFile(output string, strict bool) *File

NewFile constructs and returns a new File.

func (*File) AddFiles

func (f *File) AddFiles(in string) error

AddFiles walks the given directory and adds any zip files (determined by suffix) that it finds within.

func (*File) AddInitPyFiles

func (f *File) AddInitPyFiles() error

AddInitPyFiles adds an __init__.py file to every directory in the zip file that doesn't already have one.

func (*File) AddManifest

func (f *File) AddManifest(mainClass string) error

AddManifest adds a manifest to the given zip writer with a Main-Class entry (and a couple of others)

func (*File) AddZipFile

func (f *File) AddZipFile(filepath string) error

AddZipFile copies the contents of a zip file into the new zipfile.

func (*File) Close

func (f *File) Close()

Close must be called before the File is destroyed.

func (*File) HasExistingFile

func (f *File) HasExistingFile(name string) bool

HasExistingFile returns true if the writer has already written the given file.

func (*File) StripBytecodeTimestamp

func (f *File) StripBytecodeTimestamp(filename string, contents []byte) error

StripBytecodeTimestamp strips a timestamp from a .pyc or .pyo file. This is important so our output is deterministic.

func (*File) WriteDir

func (f *File) WriteDir(filename string) error

WriteDir writes a directory entry to the writer.

func (*File) WriteFile

func (f *File) WriteFile(filename string, data []byte, mode os.FileMode) error

WriteFile writes a complete file to the writer.

func (*File) WritePreamble

func (f *File) WritePreamble(preamble []byte) error

WritePreamble writes a preamble to the zipfile.