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flake8: depends #1282

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g1itch merged 5 commits from flake8-depends into v0.6 2018-06-27 11:24:56 +02:00
Conversation 2 Commits 5 Files Changed 3 +344 -304
3 changed files with 344 additions and 304 deletions
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203
checkdeps.py Normal file → Executable file
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@ -1,3 +1,4 @@
#!/usr/bin/env python2
"""
Check dependendies and give recommendations about how to satisfy them
@ -9,112 +10,24 @@ Limitations:
EXTRAS_REQUIRE. This is fine because most developers do, too.
"""
import os
from distutils.errors import CompileError
try:
from setuptools.dist import Distribution
from setuptools.extension import Extension
from setuptools.command.build_ext import build_ext
HAVE_SETUPTOOLS = True
# another import from setuptools is in setup.py
from setup import EXTRAS_REQUIRE
except ImportError:
HAVE_SETUPTOOLS = False
EXTRAS_REQUIRE = []
from importlib import import_module
import os
import sys
from setup import EXTRAS_REQUIRE
from src.depends import detectOS, PACKAGES, PACKAGE_MANAGER
PROJECT_ROOT = os.path.abspath('..')
sys.path.insert(0, PROJECT_ROOT)
# OS-specific dependencies for optional components listed in EXTRAS_REQUIRE
EXTRAS_REQUIRE_DEPS = {
# The values from setup.EXTRAS_REQUIRE
'python_prctl': {
# The packages needed for this requirement, by OS
"OpenBSD": [""],
"FreeBSD": [""],
"Debian": ["libcap-dev"],
"Ubuntu": [""],
"Ubuntu 12": [""],
"openSUSE": [""],
"Fedora": [""],
"Guix": [""],
"Gentoo": [""],
},
}
PACKAGE_MANAGER = {
"OpenBSD": "pkg_add",
"FreeBSD": "pkg install",
"Debian": "apt-get install",
"Ubuntu": "apt-get install",
"Ubuntu 12": "apt-get install",
"openSUSE": "zypper install",
"Fedora": "dnf install",
"Guix": "guix package -i",
"Gentoo": "emerge"
}
PACKAGES = {
"PyQt4": {
"OpenBSD": "py-qt4",
"FreeBSD": "py27-qt4",
"Debian": "python-qt4",
"Ubuntu": "python-qt4",
"Ubuntu 12": "python-qt4",
"openSUSE": "python-qt",
"Fedora": "PyQt4",
"Guix": "python2-pyqt@4.11.4",
"Gentoo": "dev-python/PyQt4",
'optional': True,
'description': "You only need PyQt if you want to use the GUI. " \
"When only running as a daemon, this can be skipped.\n" \
"However, you would have to install it manually " \
"because setuptools does not support PyQt."
},
"msgpack": {
"OpenBSD": "py-msgpack",
"FreeBSD": "py27-msgpack-python",
"Debian": "python-msgpack",
"Ubuntu": "python-msgpack",
"Ubuntu 12": "msgpack-python",
"openSUSE": "python-msgpack-python",
"Fedora": "python2-msgpack",
"Guix": "python2-msgpack",
"Gentoo": "dev-python/msgpack",
"optional": True,
"description": "python-msgpack is recommended for improved performance of message encoding/decoding"
},
"pyopencl": {
"FreeBSD": "py27-pyopencl",
"Debian": "python-pyopencl",
"Ubuntu": "python-pyopencl",
"Ubuntu 12": "python-pyopencl",
"Fedora": "python2-pyopencl",
"openSUSE": "",
"OpenBSD": "",
"Guix": "",
"Gentoo": "dev-python/pyopencl",
"optional": True,
'description': "If you install pyopencl, you will be able to use " \
"GPU acceleration for proof of work. \n" \
"You also need a compatible GPU and drivers."
},
"setuptools": {
"OpenBSD": "py-setuptools",
"FreeBSD": "py27-setuptools",
"Debian": "python-setuptools",
"Ubuntu": "python-setuptools",
"Ubuntu 12": "python-setuptools",
"Fedora": "python2-setuptools",
"openSUSE": "python-setuptools",
"Guix": "python2-setuptools",
"Gentoo": "",
"optional": False,
}
}
COMPILING = {
"Debian": "build-essential libssl-dev",
"Ubuntu": "build-essential libssl-dev",
@ -123,46 +36,23 @@ COMPILING = {
"optional": False,
}
def detectOSRelease():
with open("/etc/os-release", 'r') as osRelease:
version = None
for line in osRelease:
if line.startswith("NAME="):
line = line.lower()
if "fedora" in line:
detectOS.result = "Fedora"
elif "opensuse" in line:
detectOS.result = "openSUSE"
elif "ubuntu" in line:
detectOS.result = "Ubuntu"
elif "debian" in line:
detectOS.result = "Debian"
elif "gentoo" in line or "calculate" in line:
detectOS.result = "Gentoo"
else:
detectOS.result = None
if line.startswith("VERSION_ID="):
try:
version = float(line.split("=")[1].replace("\"", ""))
except ValueError:
pass
if detectOS.result == "Ubuntu" and version < 14:
detectOS.result = "Ubuntu 12"
# OS-specific dependencies for optional components listed in EXTRAS_REQUIRE
EXTRAS_REQUIRE_DEPS = {
# The values from setup.EXTRAS_REQUIRE
'python_prctl': {
# The packages needed for this requirement, by OS
"OpenBSD": [""],
"FreeBSD": [""],
"Debian": ["libcap-dev python-prctl"],
"Ubuntu": ["libcap-dev python-prctl"],
"Ubuntu 12": ["libcap-dev python-prctl"],
"openSUSE": [""],
"Fedora": ["prctl"],
"Guix": [""],
"Gentoo": ["dev-python/python-prctl"],
},
}
def detectOS():
if detectOS.result is not None:
return detectOS.result
if sys.platform.startswith('openbsd'):
detectOS.result = "OpenBSD"
elif sys.platform.startswith('freebsd'):
detectOS.result = "FreeBSD"
elif sys.platform.startswith('win'):
detectOS.result = "Windows"
elif os.path.isfile("/etc/os-release"):
detectOSRelease()
elif os.path.isfile("/etc/config.scm"):
detectOS.result = "Guix"
return detectOS.result
def detectPrereqs(missing=True):
available = []
@ -176,18 +66,21 @@ def detectPrereqs(missing=True):
available.append(module)
return available
def prereqToPackages():
if not detectPrereqs():
return
print "%s %s" % (
print("%s %s" % (
PACKAGE_MANAGER[detectOS()], " ".join(
PACKAGES[x][detectOS()] for x in detectPrereqs()))
PACKAGES[x][detectOS()] for x in detectPrereqs())))
def compilerToPackages():
if not detectOS() in COMPILING:
return
print "%s %s" % (
PACKAGE_MANAGER[detectOS.result], COMPILING[detectOS.result])
print("%s %s" % (
PACKAGE_MANAGER[detectOS.result], COMPILING[detectOS.result]))
def testCompiler():
if not HAVE_SETUPTOOLS:
@ -214,30 +107,30 @@ def testCompiler():
fullPath = os.path.join(cmd.build_lib, cmd.get_ext_filename("bitmsghash"))
return os.path.isfile(fullPath)
detectOS.result = None
prereqs = detectPrereqs()
prereqs = detectPrereqs()
compiler = testCompiler()
if (not compiler or prereqs) and detectOS() in PACKAGE_MANAGER:
print "It looks like you're using %s. " \
"It is highly recommended to use the package manager\n" \
"to install the missing dependencies." % (detectOS.result)
print(
"It looks like you're using %s. "
"It is highly recommended to use the package manager\n"
"to install the missing dependencies." % detectOS.result)
if not compiler:
print "Building the bitmsghash module failed.\n" \
"You may be missing a C++ compiler and/or the OpenSSL headers."
print(
"Building the bitmsghash module failed.\n"
"You may be missing a C++ compiler and/or the OpenSSL headers.")
if prereqs:
mandatory = list(x for x in prereqs if "optional" not in PACKAGES[x] or not PACKAGES[x]["optional"])
optional = list(x for x in prereqs if "optional" in PACKAGES[x] and PACKAGES[x]["optional"])
mandatory = [x for x in prereqs if not PACKAGES[x].get("optional")]
optional = [x for x in prereqs if PACKAGES[x].get("optional")]
if mandatory:
print "Missing mandatory dependencies: %s" % (" ".join(mandatory))
print("Missing mandatory dependencies: %s" % " ".join(mandatory))
if optional:
print "Missing optional dependencies: %s" % (" ".join(optional))
print("Missing optional dependencies: %s" % " ".join(optional))
for package in optional:
print PACKAGES[package].get('description')
print(PACKAGES[package].get('description'))
# Install the system dependencies of optional extras_require components
OPSYS = detectOS()
@ -259,12 +152,14 @@ for lhs, rhs in EXTRAS_REQUIRE.items():
if x in EXTRAS_REQUIRE_DEPS
]),
])
print "Optional dependency `pip install .[{}]` would require `{}` to be run as root".format(lhs, rhs_cmd)
print(
"Optional dependency `pip install .[{}]` would require `{}`"
" to be run as root".format(lhs, rhs_cmd))
if (not compiler or prereqs) and detectOS() in PACKAGE_MANAGER:
print "You can install the missing dependencies by running, as root:"
if (not compiler or prereqs) and OPSYS in PACKAGE_MANAGER:
print("You can install the missing dependencies by running, as root:")
if not compiler:
compilerToPackages()
prereqToPackages()
else:
print "All the dependencies satisfied, you can install PyBitmessage"
print("All the dependencies satisfied, you can install PyBitmessage")

31
src/bitmessagemain.py
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@ -245,6 +245,19 @@ class Main:
state.enableGUI = False # run without a UI
# is the application already running? If yes then exit.
if state.enableGUI and not state.curses and not depends.check_pyqt():
sys.exit(
omkar1117 commented 2018-06-23 12:14:13 +02:00 (Migrated from github.com)
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Better write this kind of constant messages in a help folder and import them where required.

Better write this kind of constant messages in a help folder and import them where required.
g1itch commented 2018-06-23 12:35:12 +02:00 (Migrated from github.com)
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This message should stay along in this module I think, any other occurrences could be eliminated.

This message should stay along in this module I think, any other occurrences could be eliminated.
'PyBitmessage requires PyQt unless you want'
' to run it as a daemon and interact with it'
' using the API. You can download PyQt from '
'http://www.riverbankcomputing.com/software/pyqt/download'
' or by searching Google for \'PyQt Download\'.'
' If you want to run in daemon mode, see '
'https://bitmessage.org/wiki/Daemon\n'
'You can also run PyBitmessage with'
' the new curses interface by providing'
' \'-c\' as a commandline argument.'
)
shared.thisapp = singleinstance("", daemon)
if daemon and not state.testmode:
@ -381,26 +394,14 @@ class Main:
BMConfigParser().remove_option('bitmessagesettings', 'dontconnect')
elif daemon is False:
if state.curses:
# if depends.check_curses():
if not depends.check_curses():
sys.exit()
print('Running with curses')
import bitmessagecurses
bitmessagecurses.runwrapper()
elif depends.check_pyqt():
else:
import bitmessageqt
bitmessageqt.run()
else:
sys.exit(
'PyBitmessage requires PyQt unless you want'
' to run it as a daemon and interact with it'
' using the API. You can download PyQt from '
'http://www.riverbankcomputing.com/software/pyqt/download'
' or by searching Google for \'PyQt Download\'.'
' If you want to run in daemon mode, see '
'https://bitmessage.org/wiki/Daemon\n'
'You can also run PyBitmessage with'
' the new curses interface by providing'
' \'-c\' as a commandline argument.'
)
if daemon:
if state.testmode:

398
src/depends.py
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@ -1,53 +1,196 @@
#! python
"""
Utility functions to check the availability of dependencies
and suggest how it may be installed
"""
import subprocess
import sys
import os
import pyelliptic.openssl
# Only really old versions of Python don't have sys.hexversion. We don't
# support them. The logging module was introduced in Python 2.3
if not hasattr(sys, 'hexversion') or sys.hexversion < 0x20300F0:
sys.stdout.write('Python version: ' + sys.version)
sys.stdout.write('PyBitmessage requires Python 2.7.3 or greater (but not Python 3)')
sys.exit()
sys.exit(
'Python version: %s\n'
'PyBitmessage requires Python 2.7.4 or greater (but not Python 3)'
% sys.version
)
import logging
import os
from importlib import import_module
# We can now use logging so set up a simple configuration
import logging
formatter = logging.Formatter(
'%(levelname)s: %(message)s'
)
handler = logging.StreamHandler(sys.stdout)
handler.setFormatter(formatter)
logger = logging.getLogger(__name__)
logger = logging.getLogger('both')
logger.addHandler(handler)
logger.setLevel(logging.ERROR)
OS_RELEASE = {
"fedora": "Fedora",
"opensuse": "openSUSE",
"ubuntu": "Ubuntu",
"gentoo": "Gentoo",
"calculate": "Gentoo"
}
PACKAGE_MANAGER = {
"OpenBSD": "pkg_add",
"FreeBSD": "pkg install",
"Debian": "apt-get install",
"Ubuntu": "apt-get install",
"Ubuntu 12": "apt-get install",
"openSUSE": "zypper install",
"Fedora": "dnf install",
"Guix": "guix package -i",
"Gentoo": "emerge"
}
PACKAGES = {
"PyQt4": {
"OpenBSD": "py-qt4",
"FreeBSD": "py27-qt4",
"Debian": "python-qt4",
"Ubuntu": "python-qt4",
"Ubuntu 12": "python-qt4",
"openSUSE": "python-qt",
"Fedora": "PyQt4",
"Guix": "python2-pyqt@4.11.4",
"Gentoo": "dev-python/PyQt4",
"optional": True,
"description":
"You only need PyQt if you want to use the GUI."
" When only running as a daemon, this can be skipped.\n"
"However, you would have to install it manually"
" because setuptools does not support PyQt."
},
"msgpack": {
"OpenBSD": "py-msgpack",
"FreeBSD": "py27-msgpack-python",
"Debian": "python-msgpack",
"Ubuntu": "python-msgpack",
"Ubuntu 12": "msgpack-python",
"openSUSE": "python-msgpack-python",
"Fedora": "python2-msgpack",
"Guix": "python2-msgpack",
"Gentoo": "dev-python/msgpack",
"optional": True,
"description":
"python-msgpack is recommended for improved performance of"
" message encoding/decoding"
},
"pyopencl": {
"FreeBSD": "py27-pyopencl",
"Debian": "python-pyopencl",
"Ubuntu": "python-pyopencl",
"Ubuntu 12": "python-pyopencl",
"Fedora": "python2-pyopencl",
"openSUSE": "",
"OpenBSD": "",
"Guix": "",
"Gentoo": "dev-python/pyopencl",
"optional": True,
"description":
"If you install pyopencl, you will be able to use"
" GPU acceleration for proof of work.\n"
"You also need a compatible GPU and drivers."
},
"setuptools": {
"OpenBSD": "py-setuptools",
"FreeBSD": "py27-setuptools",
"Debian": "python-setuptools",
"Ubuntu": "python-setuptools",
"Ubuntu 12": "python-setuptools",
"Fedora": "python2-setuptools",
"openSUSE": "python-setuptools",
"Guix": "python2-setuptools",
"Gentoo": "dev-python/setuptools",
"optional": False,
}
}
def detectOS():
if detectOS.result is not None:
return detectOS.result
if sys.platform.startswith('openbsd'):
detectOS.result = "OpenBSD"
elif sys.platform.startswith('freebsd'):
detectOS.result = "FreeBSD"
elif sys.platform.startswith('win'):
detectOS.result = "Windows"
elif os.path.isfile("/etc/os-release"):
detectOSRelease()
omkar1117 commented 2018-06-23 12:15:16 +02:00 (Migrated from github.com)
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pep8 validation

pep8 validation
g1itch commented 2018-06-23 12:33:20 +02:00 (Migrated from github.com)
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wut?

wut?
elif os.path.isfile("/etc/config.scm"):
detectOS.result = "Guix"
return detectOS.result
detectOS.result = None
def detectOSRelease():
with open("/etc/os-release", 'r') as osRelease:
version = None
for line in osRelease:
if line.startswith("NAME="):
detectOS.result = OS_RELEASE.get(
line.split("=")[-1].strip().lower())
elif line.startswith("VERSION_ID="):
try:
version = float(line.split("=")[1].replace("\"", ""))
except ValueError:
omkar1117 commented 2018-06-23 12:20:03 +02:00 (Migrated from github.com)
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I think we can move with a easy way instead of this.

I think we can move with a easy way instead of this.
omkar1117 commented 2018-06-23 12:25:58 +02:00 (Migrated from github.com)
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/code
with open("/etc/os-release", 'r') as osRelease:
for line in osRelease:
if line.startswith("NAME="):
detectOS.result = line.split("=")[-1].strip().capitalize()

/code with open("/etc/os-release", 'r') as osRelease: for line in osRelease: if line.startswith("NAME="): detectOS.result = line.split("=")[-1].strip().capitalize()
g1itch commented 2018-06-23 12:31:29 +02:00 (Migrated from github.com)
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capitalize()? What about openSUSE?

capitalize()? What about openSUSE?
g1itch commented 2018-06-23 12:32:53 +02:00 (Migrated from github.com)
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BTW, it's not my code, I just moved it from checkdeps, see above.

BTW, it's not my code, I just moved it from `checkdeps`, see above.
omkar1117 commented 2018-06-23 12:41:00 +02:00 (Migrated from github.com)
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ok, I think then we can have a dictionary and call the name based on the key simply.
osname = {'ubuntu' : 'Ubuntu', 'opensuse' : 'openSUSE' , ….}

with open("/etc/os-release", 'r') as osRelease:
for line in osRelease:
if line.startswith("NAME="):
detectOS.result = osname(line.split("=")[-1].strip().lower())

ok, I think then we can have a dictionary and call the name based on the key simply. osname = {'ubuntu' : 'Ubuntu', 'opensuse' : 'openSUSE' , ….} with open("/etc/os-release", 'r') as osRelease: for line in osRelease: if line.startswith("NAME="): detectOS.result = osname(line.split("=")[-1].strip().lower())
pass
if detectOS.result == "Ubuntu" and version < 14:
detectOS.result = "Ubuntu 12"
def try_import(module, log_extra=False):
try:
return import_module(module)
except ImportError:
module = module.split('.')[0]
logger.error('The %s module is not available.', module)
if log_extra:
logger.error(log_extra)
dist = detectOS()
logger.error(
'On %s, try running "%s %s" as root.',
dist, PACKAGE_MANAGER[dist], PACKAGES[module][dist])
return False
# We need to check hashlib for RIPEMD-160, as it won't be available
# if OpenSSL is not linked against or the linked OpenSSL has RIPEMD
# disabled.
def check_hashlib():
"""Do hashlib check.
The hashlib module check with version as if it included or not
in The Python Standard library , its a module containing an
in The Python Standard library, it's a module containing an
interface to the most popular hashing algorithms. hashlib
implements some of the algorithms, however if OpenSSL
installed, hashlib is able to use this algorithms as well.
"""
if sys.hexversion < 0x020500F0:
logger.error('The hashlib module is not included in this version of Python.')
logger.error(
'The hashlib module is not included in this version of Python.')
return False
import hashlib
if '_hashlib' not in hashlib.__dict__:
logger.error('The RIPEMD-160 hash algorithm is not available. The hashlib module is not linked against OpenSSL.')
logger.error(
'The RIPEMD-160 hash algorithm is not available.'
' The hashlib module is not linked against OpenSSL.')
return False
try:
hashlib.new('ripemd160')
except ValueError:
logger.error('The RIPEMD-160 hash algorithm is not available. The hashlib module utilizes an OpenSSL library with RIPEMD disabled.')
logger.error(
'The RIPEMD-160 hash algorithm is not available.'
' The hashlib module utilizes an OpenSSL library with'
' RIPEMD disabled.')
return False
return True
@ -59,35 +202,48 @@ def check_sqlite():
support in python version for specifieed platform.
"""
if sys.hexversion < 0x020500F0:
logger.error('The sqlite3 module is not included in this version of Python.')
logger.error(
'The sqlite3 module is not included in this version of Python.')
if sys.platform.startswith('freebsd'):
logger.error('On FreeBSD, try running "pkg install py27-sqlite3" as root.')
return False
try:
import sqlite3
except ImportError:
logger.error('The sqlite3 module is not available')
logger.error(
'On FreeBSD, try running "pkg install py27-sqlite3" as root.')
return False
logger.info('sqlite3 Module Version: ' + sqlite3.version)
logger.info('SQLite Library Version: ' + sqlite3.sqlite_version)
sqlite3 = try_import('sqlite3')
if not sqlite3:
return False
logger.info('sqlite3 Module Version: %s', sqlite3.version)
logger.info('SQLite Library Version: %s', sqlite3.sqlite_version)
# sqlite_version_number formula: https://sqlite.org/c3ref/c_source_id.html
sqlite_version_number = sqlite3.sqlite_version_info[0] * 1000000 + sqlite3.sqlite_version_info[1] * 1000 + sqlite3.sqlite_version_info[2]
sqlite_version_number = (
sqlite3.sqlite_version_info[0] * 1000000 +
sqlite3.sqlite_version_info[1] * 1000 +
sqlite3.sqlite_version_info[2]
)
conn = None
try:
try:
conn = sqlite3.connect(':memory:')
if sqlite_version_number >= 3006018:
sqlite_source_id = conn.execute('SELECT sqlite_source_id();').fetchone()[0]
logger.info('SQLite Library Source ID: ' + sqlite_source_id)
sqlite_source_id = conn.execute(
'SELECT sqlite_source_id();'
).fetchone()[0]
logger.info('SQLite Library Source ID: %s', sqlite_source_id)
if sqlite_version_number >= 3006023:
compile_options = ', '.join(map(lambda row: row[0], conn.execute('PRAGMA compile_options;')))
logger.info('SQLite Library Compile Options: ' + compile_options)
#There is no specific version requirement as yet, so we just use the
#first version that was included with Python.
compile_options = ', '.join(map(
lambda row: row[0],
conn.execute('PRAGMA compile_options;')
))
logger.info(
'SQLite Library Compile Options: %s', compile_options)
# There is no specific version requirement as yet, so we just
# use the first version that was included with Python.
if sqlite_version_number < 3000008:
logger.error('This version of SQLite is too old. PyBitmessage requires SQLite 3.0.8 or later')
logger.error(
'This version of SQLite is too old.'
' PyBitmessage requires SQLite 3.0.8 or later')
return False
return True
except sqlite3.Error:
@ -97,16 +253,17 @@ def check_sqlite():
if conn:
conn.close()
def check_openssl():
"""Do openssl dependency check.
Here we are checking for openssl with its all dependent libraries
and version checking.
"""
try:
import ctypes
except ImportError:
logger.error('Unable to check OpenSSL. The ctypes module is not available.')
ctypes = try_import('ctypes')
if not ctypes:
logger.error('Unable to check OpenSSL.')
return False
# We need to emulate the way PyElliptic searches for OpenSSL.
@ -139,34 +296,45 @@ def check_openssl():
cflags_regex = re.compile(r'(?:OPENSSL_NO_)(AES|EC|ECDH|ECDSA)(?!\w)')
import pyelliptic.openssl
for path in paths:
logger.info('Checking OpenSSL at ' + path)
logger.info('Checking OpenSSL at %s', path)
try:
library = ctypes.CDLL(path)
except OSError:
continue
logger.info('OpenSSL Name: ' + library._name)
logger.info('OpenSSL Name: %s', library._name)
try:
openssl_version, openssl_hexversion, openssl_cflags = pyelliptic.openssl.get_version(library)
openssl_version, openssl_hexversion, openssl_cflags = \
pyelliptic.openssl.get_version(library)
except AttributeError: # sphinx chokes
return True
if not openssl_version:
logger.error('Cannot determine version of this OpenSSL library.')
return False
logger.info('OpenSSL Version: ' + openssl_version)
logger.info('OpenSSL Compile Options: ' + openssl_cflags)
logger.info('OpenSSL Version: %s', openssl_version)
logger.info('OpenSSL Compile Options: %s', openssl_cflags)
# PyElliptic uses EVP_CIPHER_CTX_new and EVP_CIPHER_CTX_free which were
# introduced in 0.9.8b.
if openssl_hexversion < 0x90802F:
logger.error('This OpenSSL library is too old. PyBitmessage requires OpenSSL 0.9.8b or later with AES, Elliptic Curves (EC), ECDH, and ECDSA enabled.')
logger.error(
'This OpenSSL library is too old. PyBitmessage requires'
' OpenSSL 0.9.8b or later with AES, Elliptic Curves (EC),'
' ECDH, and ECDSA enabled.')
return False
matches = cflags_regex.findall(openssl_cflags)
if len(matches) > 0:
logger.error('This OpenSSL library is missing the following required features: ' + ', '.join(matches) + '. PyBitmessage requires OpenSSL 0.9.8b or later with AES, Elliptic Curves (EC), ECDH, and ECDSA enabled.')
logger.error(
'This OpenSSL library is missing the following required'
' features: %s. PyBitmessage requires OpenSSL 0.9.8b'
' or later with AES, Elliptic Curves (EC), ECDH,'
' and ECDSA enabled.', ', '.join(matches))
return False
return True
return False
# TODO: The minimum versions of pythondialog and dialog need to be determined
def check_curses():
"""Do curses dependency check.
@ -176,105 +344,78 @@ def check_curses():
utility.
"""
if sys.hexversion < 0x20600F0:
logger.error('The curses interface requires the pythondialog package and the dialog utility.')
logger.error(
'The curses interface requires the pythondialog package and'
' the dialog utility.')
return False
try:
import curses
except ImportError:
logger.error('The curses interface can not be used. The curses module is not available.')
curses = try_import('curses')
if not curses:
logger.error('The curses interface can not be used.')
return False
logger.info('curses Module Version: ' + curses.version)
try:
import dialog
except ImportError:
logger.error('The curses interface can not be used. The pythondialog package is not available.')
logger.info('curses Module Version: %s', curses.version)
dialog = try_import('dialog')
if not dialog:
logger.error('The curses interface can not be used.')
return False
import subprocess
try:
subprocess.check_call('which dialog')
except subprocess.CalledProcessError:
logger.error('Curses requires the `dialog` command to be installed as well as the python library.')
logger.error(
'Curses requires the `dialog` command to be installed as well as'
' the python library.')
return False
logger.info('pythondialog Package Version: ' + dialog.__version__)
logger.info('pythondialog Package Version: %s', dialog.__version__)
dialog_util_version = dialog.Dialog().cached_backend_version
# The pythondialog author does not like Python2 str, so we have to use
#unicode for just the version otherwise we get the repr form which includes
#the module and class names along with the actual version.
logger.info('dialog Utility Version' + unicode(dialog_util_version))
# unicode for just the version otherwise we get the repr form which
# includes the module and class names along with the actual version.
logger.info('dialog Utility Version %s', unicode(dialog_util_version))
return True
def check_pyqt():
"""Do pyqt dependency check.
Here we are checking for PyQt4 with its version, as for it require
PyQt 4.7 or later.
PyQt 4.8 or later.
"""
try:
import PyQt4.QtCore
except ImportError:
logger.error('The PyQt4 package is not available. PyBitmessage requires PyQt 4.8 or later and Qt 4.7 or later.')
if sys.platform.startswith('openbsd'):
logger.error('On OpenBSD, try running "pkg_add py-qt4" as root.')
elif sys.platform.startswith('freebsd'):
logger.error('On FreeBSD, try running "pkg install py27-qt4" as root.')
elif os.path.isfile("/etc/os-release"):
with open("/etc/os-release", 'rt') as osRelease:
for line in osRelease:
if line.startswith("NAME="):
if "fedora" in line.lower():
logger.error('On Fedora, try running "dnf install PyQt4" as root.')
elif "opensuse" in line.lower():
logger.error('On openSUSE, try running "zypper install python-qt" as root.')
elif "ubuntu" in line.lower():
logger.error('On Ubuntu, try running "apt-get install python-qt4" as root.')
elif "debian" in line.lower():
logger.error('On Debian, try running "apt-get install python-qt4" as root.')
else:
logger.error('If your package manager does not have this package, try running "pip install PyQt4".')
QtCore = try_import(
'PyQt4.QtCore', 'PyBitmessage requires PyQt 4.8 or later and Qt 4.7 or later.')
if not QtCore:
return False
logger.info('PyQt Version: ' + PyQt4.QtCore.PYQT_VERSION_STR)
logger.info('Qt Version: ' + PyQt4.QtCore.QT_VERSION_STR)
logger.info('PyQt Version: %s', QtCore.PYQT_VERSION_STR)
logger.info('Qt Version: %s', QtCore.QT_VERSION_STR)
passed = True
if PyQt4.QtCore.PYQT_VERSION < 0x40800:
logger.error('This version of PyQt is too old. PyBitmessage requries PyQt 4.8 or later.')
if QtCore.PYQT_VERSION < 0x40800:
logger.error(
'This version of PyQt is too old. PyBitmessage requries'
' PyQt 4.8 or later.')
passed = False
if PyQt4.QtCore.QT_VERSION < 0x40700:
logger.error('This version of Qt is too old. PyBitmessage requries Qt 4.7 or later.')
if QtCore.QT_VERSION < 0x40700:
logger.error(
'This version of Qt is too old. PyBitmessage requries'
' Qt 4.7 or later.')
passed = False
return passed
def check_msgpack():
"""Do sgpack module check.
simply checking if msgpack package with all its dependency
is available or not as recommended for messages coding.
"""
try:
import msgpack
except ImportError:
logger.error(
'The msgpack package is not available.'
'It is highly recommended for messages coding.')
if sys.platform.startswith('openbsd'):
logger.error('On OpenBSD, try running "pkg_add py-msgpack" as root.')
elif sys.platform.startswith('freebsd'):
logger.error('On FreeBSD, try running "pkg install py27-msgpack-python" as root.')
elif os.path.isfile("/etc/os-release"):
with open("/etc/os-release", 'rt') as osRelease:
for line in osRelease:
if line.startswith("NAME="):
if "fedora" in line.lower():
logger.error('On Fedora, try running "dnf install python2-msgpack" as root.')
elif "opensuse" in line.lower():
logger.error('On openSUSE, try running "zypper install python-msgpack-python" as root.')
elif "ubuntu" in line.lower():
logger.error('On Ubuntu, try running "apt-get install python-msgpack" as root.')
elif "debian" in line.lower():
logger.error('On Debian, try running "apt-get install python-msgpack" as root.')
else:
logger.error('If your package manager does not have this package, try running "pip install msgpack-python".')
return try_import(
'msgpack', 'It is highly recommended for messages coding.') is not False
return True
def check_dependencies(verbose=False, optional=False):
"""Do dependency check.
@ -289,33 +430,36 @@ def check_dependencies(verbose = False, optional = False):
has_all_dependencies = True
#Python 2.7.3 is the required minimum. Python 3+ is not supported, but it is
#still useful to provide information about our other requirements.
# Python 2.7.4 is the required minimum.
# (https://bitmessage.org/forum/index.php?topic=4081.0)
# Python 3+ is not supported, but it is still useful to provide
# information about our other requirements.
logger.info('Python version: %s', sys.version)
if sys.hexversion < 0x20703F0:
logger.error('PyBitmessage requires Python 2.7.3 or greater (but not Python 3+)')
if sys.hexversion < 0x20704F0:
logger.error(
'PyBitmessage requires Python 2.7.4 or greater'
' (but not Python 3+)')
has_all_dependencies = False
if sys.hexversion >= 0x3000000:
logger.error('PyBitmessage does not support Python 3+. Python 2.7.3 or greater is required.')
logger.error(
'PyBitmessage does not support Python 3+. Python 2.7.4'
' or greater is required.')
has_all_dependencies = False
check_functions = [check_hashlib, check_sqlite, check_openssl, check_msgpack]
check_functions = [check_hashlib, check_sqlite, check_openssl]
if optional:
check_functions.extend([check_pyqt, check_curses])
check_functions.extend([check_msgpack, check_pyqt, check_curses])
# Unexpected exceptions are handled here
for check in check_functions:
try:
has_all_dependencies &= check()
except:
logger.exception(check.__name__ + ' failed unexpectedly.')
logger.exception('%s failed unexpectedly.', check.__name__)
has_all_dependencies = False
if not has_all_dependencies:
logger.critical('PyBitmessage cannot start. One or more dependencies are unavailable.')
sys.exit()
if __name__ == '__main__':
"""Check Dependencies"""
check_dependencies(True, True)
sys.exit(
'PyBitmessage cannot start. One or more dependencies are'
' unavailable.'
)