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Utilities for working with files.

Project description

# xphyle: extraordinarily simple file handling

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<img src="https://github.com/jdidion/xphyle/blob/master/docs/logo.png?raw=true"
alt="logo" width="200" height="200">

xphyle is a small python library that makes it easy to open compressed
files. Most importantly, xphyle will use the appropriate program (e.g. 'gzip') to compress/decompress a file if it is available on your system; this is almost always faster than using the corresponding python library. xphyle also provides methods that simplify common file I/O operations.

Recent version of xphyle (4.0.0+) require python 3.6. Older versions of xphyle support python 3.4+.

# Installation

```
pip install xphyle
```

# Building from source

Clone this repository and run

```
make
```

# Example usages:

```python
from xphyle import *
from xphyle.paths import STDIN, STDOUT

# Open a compressed file...
myfile = xopen('infile.gz')

# ...or a compressed stream
# e.g. gzip -c afile | python my_program.py
stdin = xopen(STDIN)

# Easily write to the stdin of a subprocess
with open_('|cat', 'wt') as process:
process.write('foo')

# We have to tell xopen what kind of compression
# to use when writing to stdout
stdout = xopen(STDOUT, compression='gz')

# The `open_` method ensures that the file is usable with the `with` keyword.
# Print all lines in a compressed file...
with open_('infile.gz') as myfile:
for line in myfile:
print(line)

# ... or a compressed URL
with open_('http://foo.com/myfile.gz') as myfile:
for line in myfile:
print(line)

# Transparently handle paths and file objects
def dostuff(path_or_file):
with open_(path_or_file) as myfile:
for line in myfile:
print(line)

# Read all lines in a compressed file into a list
from xphyle.utils import read_lines
lines = list(read_lines('infile.gz'))

# Sum the rows in a compressed file where each line is an integer value
total = sum(read_lines('infile.gz', convert=int))
```

See the [Documentation](https://xphyle.readthedocs.io/en/stable/) for full usage information.

# Issues

Please report bugs and request enhancements using the [issue tracker](https://github.com/jdidion/xphyle).

# Roadmap

Future releases are mapped out using [GitHub Projects](https://github.com/jdidion/xphyle/projects).

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